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Ronald Reagan Washington National Airport to George Bush Intercontinental Airport flight

Explore the cheapest one-way and round-trip flights from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport over the next 90 days, with one-way fares from £64 and round-trip from £106. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      DCA 17:49
      3h 41m
      Direct
      IAH 20:30
      Washington D.C. - Houston | Mon, Dec 14 | American Airlines
      IAH 17:10
      3h 7m
      Direct
      IAD 21:17
      Houston - Washington D.C. | Wed, Dec 16 | American Airlines
      £145 £163
      11% off
      11% off
      £163 £145
    • DCA 07:29
      3h 41m
      Direct
      IAH 10:10
      Washington D.C. - Houston | Sat, Dec 12 | American Airlines
      IAH 06:16
      3h 6m
      Direct
      DCA 10:22
      Houston - Washington D.C. | Fri, Dec 18 | American Airlines
      £146 £163
      10% off
      10% off
      £163 £146
    • DCA 13:33
      7h 21m
      1 stop
      IAH 19:54
      Washington D.C. - Houston | Wed, Dec 9 | Frontier Airlines
      IAH 09:41
      6h 57m
      1 stop
      IAD 17:38
      Houston - Washington D.C. | Sat, Dec 12 | Frontier Airlines
      £106 £163
      35% off
      35% off
      £163 £106
    • DCA 18:00
      7h 42m
      1 stop
      IAH 00:42
      Washington D.C. - Houston | Tue, Nov 17 | Frontier Airlines
      IAH 12:19
      10h 24m
      1 stop
      IAD 23:43
      Houston - Washington D.C. | Sat, Nov 21 | Frontier Airlines
      £106
      35% off
      £163 £106
    • DCA 18:00
      8h 23m
      1 stop
      IAH 01:23
      Washington D.C. - Houston | Thu, Dec 10 | Frontier Airlines
      IAH 09:41
      6h 57m
      1 stop
      IAD 17:38
      Houston - Washington D.C. | Sat, Dec 12 | Frontier Airlines
      £107
      34% off
      £163 £107
    • DCA 18:00
      7h 42m
      1 stop
      IAH 00:42
      Washington D.C. - Houston | Sat, Nov 14 | Frontier Airlines
      IAH 06:00
      10h 12m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Sun, Nov 22 | Frontier Airlines
      £111
      32% off
      £163 £111
    • DCA 18:00
      7h 42m
      1 stop
      IAH 00:42
      Washington D.C. - Houston | Thu, Nov 19 | Frontier Airlines
      IAH 06:00
      10h 12m
      1 stop
      IAD 17:12
      Houston - Washington D.C. | Sun, Nov 22 | Frontier Airlines
      £112
      31% off
      £163 £112
    • DCA 18:00
      8h 23m
      1 stop
      IAH 01:23
      Washington D.C. - Houston | Fri, Dec 11 | Frontier Airlines
      IAH 09:41
      6h 57m
      1 stop
      IAD 17:38
      Houston - Washington D.C. | Thu, Dec 17 | Frontier Airlines
      £112
      31% off
      £163 £112
    • DCA 18:00
      8h 23m
      1 stop
      IAH 01:23
      Washington D.C. - Houston | Tue, Dec 15 | Frontier Airlines
      IAH 18:24
      11h 27m
      1 stop
      IAD 06:51
      Houston - Washington D.C. | Mon, Dec 21 | Frontier Airlines
      £114
      30% off
      £163 £114
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Mon, Nov 2 | Normal Airline
      HOU 15:00
      6h
      Direct
      WAS 16:00
      Houston - Washington D.C. | Wed, Nov 4 | Normal Airline
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    • Cheapest
      DCA 18:00
      7h 42m
      1 stop
      IAH 00:42
      Washington D.C. - Houston | Sat, Nov 14 | Frontier Airlines
      £64 £105
      39% off
      39% off
      £105 £64
    • DCA 07:00
      14h 48m
      1 stop
      IAH 20:48
      Washington D.C. - Houston | Fri, Nov 13 | Frontier Airlines
      £68 £105
      35% off
      35% off
      £105 £68
    • DCA 16:05
      17h 31m
      1 stop
      IAH 08:36
      Washington D.C. - Houston | Thu, Dec 3 | Delta Air Lines
      £71 £105
      32% off
      32% off
      £105 £71
    • DCA 09:00
      24h 45m
      1 stop
      IAH 08:45
      Washington D.C. - Houston | Mon, Dec 7 | Delta Air Lines
      £71
      32% off
      £105 £71
    • DCA 13:54
      11h 28m
      1 stop
      IAH 00:22
      Washington D.C. - Houston | Wed, Nov 25 | Frontier Airlines
      £81
      23% off
      £105 £81
    • DCA 14:59
      18h 45m
      1 stop
      IAH 08:44
      Washington D.C. - Houston | Wed, Nov 25 | American Airlines
      £83
      21% off
      £105 £83
    • DCA 06:20
      6h 30m
      1 stop
      IAH 11:50
      Washington D.C. - Houston | Fri, Dec 4 | American Airlines
      £84
      20% off
      £105 £84
    • DCA 14:10
      19h 36m
      1 stop
      IAH 08:46
      Washington D.C. - Houston | Thu, Dec 10 | American Airlines
      £86
      18% off
      £105 £86
    • DCA 06:20
      6h 32m
      1 stop
      IAH 11:52
      Washington D.C. - Houston | Fri, Dec 11 | American Airlines
      £86
      18% off
      £105 £86
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      DCA 17:49
      3h 41m
      Direct
      IAH 20:30
      Washington D.C. - Houston | Thu, Dec 17 | American Airlines
      £93 £105
      11% off
      11% off
      £105 £93
    • DCA 19:38
      3h 36m
      Direct
      IAH 22:14
      Washington D.C. - Houston | Sun, Nov 22 | American Airlines
      £94 £105
      10% off
      10% off
      £105 £94
    • DCA 19:45
      3h 36m
      Direct
      IAH 22:21
      Washington D.C. - Houston | Wed, Nov 11 | American Airlines
      £95 £230
      59% off
      59% off
      £230 £95
    • DCA 07:27
      3h 47m
      Direct
      IAH 10:14
      Washington D.C. - Houston | Tue, Dec 1 | American Airlines
      £111
      52% off
      £230 £111
    • DCA 18:57
      3h 32m
      Direct
      IAH 21:29
      Washington D.C. - Houston | Tue, Jan 5 | American Airlines
      £112
      51% off
      £230 £112
    • DCA 20:59
      3h 51m
      Direct
      IAH 23:50
      Washington D.C. - Houston | Thu, Jan 7 | American Airlines
      £112
      51% off
      £230 £112
    • DCA 18:57
      3h 32m
      Direct
      IAH 21:29
      Washington D.C. - Houston | Thu, Dec 31 | American Airlines
      £112
      51% off
      £230 £112
    • DCA 12:59
      3h 51m
      Direct
      IAH 15:50
      Washington D.C. - Houston | Fri, Jan 8 | American Airlines
      £112
      51% off
      £230 £112
    • DCA 20:59
      3h 51m
      Direct
      IAH 23:50
      Washington D.C. - Houston | Wed, Jan 6 | American Airlines
      £112
      51% off
      £230 £112
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      DCA 19:45
      3h 36m
      Direct
      IAH 22:21
      Washington D.C. - Houston | Wed, Nov 11 | American Airlines
      £95 £244
      61% off
      61% off
      £244 £95
    • DCA 07:27
      3h 47m
      Direct
      IAH 10:14
      Washington D.C. - Houston | Tue, Dec 1 | American Airlines
      £111 £244
      55% off
      55% off
      £244 £111
    • DCA 18:57
      3h 32m
      Direct
      IAH 21:29
      Washington D.C. - Houston | Tue, Jan 5 | American Airlines
      £112 £244
      54% off
      54% off
      £244 £112
    • DCA 20:59
      3h 51m
      Direct
      IAH 23:50
      Washington D.C. - Houston | Thu, Jan 7 | American Airlines
      £112
      54% off
      £244 £112
    • DCA 18:57
      3h 32m
      Direct
      IAH 21:29
      Washington D.C. - Houston | Thu, Dec 31 | American Airlines
      £112
      54% off
      £244 £112
    • DCA 07:27
      3h 47m
      Direct
      IAH 10:14
      Washington D.C. - Houston | Thu, Nov 19 | American Airlines
      £112
      54% off
      £244 £112
    • DCA 20:59
      3h 51m
      Direct
      IAH 23:50
      Washington D.C. - Houston | Wed, Jan 6 | American Airlines
      £112
      54% off
      £244 £112
    • DCA 12:59
      3h 51m
      Direct
      IAH 15:50
      Washington D.C. - Houston | Fri, Jan 8 | American Airlines
      £112
      54% off
      £244 £112
    • DCA 19:45
      3h 36m
      Direct
      IAH 22:21
      Washington D.C. - Houston | Mon, Nov 2 | American Airlines
      £112
      54% off
      £244 £112
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Mon, Nov 2 | Normal Airline
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    • Cheapest nonstop
      DCA 19:45
      3h 36m
      Direct
      IAH 22:21
      Washington D.C. - Houston | Mon, Nov 2 | American Airlines
      £112 £297
      62% off
      62% off
      £297 £112
    • DCA 12:50
      3h 39m
      Direct
      IAH 15:29
      Washington D.C. - Houston | Tue, Nov 3 | United Airlines
      £145 £297
      51% off
      51% off
      £297 £145
    • DCA 12:50
      3h 39m
      Direct
      IAH 15:29
      Washington D.C. - Houston | Mon, Nov 2 | United Airlines
      £145 £297
      51% off
      51% off
      £297 £145
    • DCA 19:45
      3h 36m
      Direct
      IAH 22:21
      Washington D.C. - Houston | Sun, Nov 1 | American Airlines
      £169
      43% off
      £297 £169
    • DCA 17:42
      3h 38m
      Direct
      IAH 20:20
      Washington D.C. - Houston | Sat, Nov 7 | American Airlines
      £211
      28% off
      £297 £211
    • DCA 12:50
      3h 39m
      Direct
      IAH 15:29
      Washington D.C. - Houston | Sun, Nov 1 | United Airlines
      £213
      28% off
      £297 £213
    • DCA 13:57
      3h 38m
      Direct
      IAH 16:35
      Washington D.C. - Houston | Wed, Nov 4 | American Airlines
      £213
      28% off
      £297 £213
    • DCA 19:38
      3h 36m
      Direct
      IAH 22:14
      Washington D.C. - Houston | Tue, Nov 3 | American Airlines
      £213
      28% off
      £297 £213
    • DCA 19:45
      3h 36m
      Direct
      IAH 22:21
      Washington D.C. - Houston | Thu, Nov 5 | American Airlines
      £226
      24% off
      £297 £226
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Mon, Nov 2 | Normal Airline
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    • DCA 07:26
      3h 31m
      Direct
      IAH 09:57
      Washington D.C. - Houston | Fri, Jan 1 | American Airlines
      £124 £246
      50% off
      50% off
      £246 £124
    • DCA 06:59
      3h 31m
      Direct
      IAH 09:30
      Washington D.C. - Houston | Mon, Dec 21 | American Airlines
      £127 £246
      48% off
      48% off
      £246 £127
    • DCA 07:26
      3h 31m
      Direct
      IAH 09:57
      Washington D.C. - Houston | Tue, Dec 29 | American Airlines
      £173 £246
      30% off
      30% off
      £246 £173
    • DCA 06:56
      3h 31m
      Direct
      IAH 09:27
      Washington D.C. - Houston | Sun, Dec 20 | American Airlines
      £173
      30% off
      £246 £173
    • DCA 07:26
      3h 31m
      Direct
      IAH 09:57
      Washington D.C. - Houston | Thu, Dec 24 | American Airlines
      £180
      27% off
      £246 £180
    • DCA 07:26
      3h 31m
      Direct
      IAH 09:57
      Washington D.C. - Houston | Wed, Dec 23 | American Airlines
      £199
      19% off
      £246 £199
    • DCA 07:26
      3h 31m
      Direct
      IAH 09:57
      Washington D.C. - Houston | Mon, Dec 28 | American Airlines
      £214
      13% off
      £246 £214
    • DCA 11:59
      3h 31m
      Direct
      IAH 14:30
      Washington D.C. - Houston | Sat, Jan 2 | American Airlines
      £221
      10% off
      £246 £221
    • DCA 18:57
      3h 32m
      Direct
      IAH 21:29
      Washington D.C. - Houston | Tue, Jan 5 | American Airlines
      £112
      51% off
      £230 £112
    • WAS 13:00
      17h 25m
      1 stop
      HOU 14:00
      Washington D.C. - Houston | Mon, Nov 2 | Normal Airline
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Displayed flight fares from Washington D.C. to Houston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport

What is the cheapest month to fly from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport are usually in January, with an average price of £146. It is best to avoid December, when the average price can reach £284.

£284
£215
£146
£77
    Cheapest
  • £199
    Oct
  • £249
    Nov
  • £284
    Dec
  • £146
    Jan
  • £259
    Feb
  • £261
    Mar
  • £185
    Apr
  • £233
    May
  • £245
    Jun
  • £243
    Jul
  • £155
    Aug
  • £187
    Sep

What is the cheapest day of the week to fly from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport?

The data is based on the past 12 months and shows the average ticket prices from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport is Tuesday, with average prices usually lower than other days. Avoid departing on Sunday as prices are typically highest on that day.

£254
£212
£170
£128
  • £252
    Mon
  • £170
    Tue
  • £216
    Wed
  • £221
    Thu
  • £240
    Fri
  • £233
    Sat
  • £254
    Sun

Which airline offers the cheapest flights from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport?

The cheapest airline flying from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport is Frontier Airlines (from £64) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From £64
Delta Air Lines
From £71
American Airlines
From £83
Jetblue Airways
From £110
United Airlines
From £129
Hahn Air
From £155

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What is the flight schedule from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport?

Check the schedule for flights from Washington D.C. to Houston and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA5278

    Ronald Reagan Washington National Airport

    17:42

    DCA

    3h 38m

    20:20

    IAH

    S M T W T - S
    Search

  2. AA5216

    Ronald Reagan Washington National Airport

    06:59

    DCA

    3h 31m

    09:30

    IAH

    S - T W T - -
    Search

  3. AA5471

    Ronald Reagan Washington National Airport

    06:30

    DCA

    2h 4m

    Direct

    08:34

    ATL

    S M T W T - -
    Search

  4. F92399

    Hartsfield–Jackson Atlanta International Airport

    10:04

    ATL

    2h 30m

    Direct

    11:34

    IAH

    S M T W T F S

  5. DL1558

    Ronald Reagan Washington National Airport

    09:40

    DCA

    1h 32m

    Direct

    11:12

    DTW

    S M T W T F S
    Search

  6. DL1307

    Detroit Metropolitan Wayne County Airport

    12:30

    DTW

    3h 14m

    Direct

    14:44

    IAH

    S M T W T F S

  7. DL343

    Ronald Reagan Washington National Airport

    07:59

    DCA

    2h 4m

    Direct

    10:03

    ATL

    S M T W T F S
    Search

  8. F91403

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    2h 19m

    Direct

    07:19

    IAH

    S M - W T F S

  9. F9689

    Ronald Reagan Washington National Airport

    18:00

    DCA

    4h 10m

    Direct

    20:10

    DEN

    S M - W T F S
    Search

  10. F92996

    Denver International Airport

    21:59

    DEN

    2h 30m

    Direct

    01:29

    IAH

    S M T W T F S

  11. B6379

    Ronald Reagan Washington National Airport

    06:00

    DCA

    2h 38m

    Direct

    08:38

    FLL

    S M T W T F S
    Search

  12. F91495

    Fort Lauderdale-Hollywood International Airport

    12:44

    FLL

    3h

    Direct

    14:44

    IAH

    S M - W T F S

  13. F9687

    Ronald Reagan Washington National Airport

    13:00

    DCA

    4h 9m

    Direct

    15:09

    DEN

    S - T W T F S
    Search

  14. F93228

    Denver International Airport

    18:17

    DEN

    2h 28m

    Direct

    21:45

    IAH

    S M T W T - S

  15. F9687

    Ronald Reagan Washington National Airport

    13:00

    DCA

    4h 9m

    Direct

    15:09

    DEN

    S - T W T F S
    Search

  16. F92996

    Denver International Airport

    21:59

    DEN

    2h 30m

    Direct

    01:29

    IAH

    S M T W T F S

  17. F9685

    Ronald Reagan Washington National Airport

    07:00

    DCA

    4h 16m

    Direct

    09:16

    DEN

    S M T W T F S
    Search

  18. F93228

    Denver International Airport

    18:17

    DEN

    2h 28m

    Direct

    21:45

    IAH

    S M T W T - S
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About Ronald Reagan Washington National Airport and George Bush Intercontinental Airport

Learn about Ronald Reagan Washington National Airport (DCA) and George Bush Intercontinental Airport (IAH) — including location, terminals, transportation, and travel tips.

Flight distance 1,943.38km
Cheapest one-way ticket price £64
Cheapest return ticket price £106

FAQs for Ronald Reagan Washington National Airport to George Bush Intercontinental Airport Flights

  • How long is the flight from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport?

    Ronald Reagan Washington National Airport to George Bush Intercontinental Airport takes about 2 hours 46 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 8 daily flights from Ronald Reagan Washington National Airport (DCA) to George Bush Intercontinental Airport (IAH).
  • The earliest flight from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport departs at 06:00, and the last departs at 19:45, with about 12 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Ronald Reagan Washington National Airport (DCA) to George Bush Intercontinental Airport (IAH) is quite popular. Without considering departure times or holidays, tickets cost around £200 in December, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 3093 flights per month.
  • One-way flights from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport currently start from £64, and round-trip fares start from £106. The current lowest fare is a Frontier Airlines flight departing on Sat, Nov 14; prices may vary depending on availability.
  • Yes. United Airlines and American Airlines operate direct flights from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport, with an average flight time of 2 hours 40 minutes, and around 63 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Ronald Reagan Washington National Airport to George Bush Intercontinental Airport is £163. Prices may vary depending on the departure date, airline, and availability.
  • Ronald Reagan Washington National Airport to George Bush Intercontinental Airport operates around 63 weekly flights, mainly by United Airlines and American Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Ronald Reagan Washington National Airport and George Bush Intercontinental Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

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Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.