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William P. Hobby Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from William P. Hobby Airport to Dulles International Airport over the next 90 days, with one-way fares from THB 3,380 and round-trip from THB 7,640. Based on Trip.com's latest 7-day flight data.

    • HOU 15:09
      5h 12m
      1 stop
      IAD 21:21
      Houston - Washington D.C. | Sun, Nov 1 | Delta Air Lines
      DCA 19:40
      5h 15m
      1 stop
      IAH 23:55
      Washington D.C. - Houston | Mon, Nov 9 | Delta Air Lines
      THB 7,640 THB 9,620
      21% off
      21% off
      THB 9,620 THB 7,640
    • HOU 17:02
      5h 28m
      1 stop
      IAD 23:30
      Houston - Washington D.C. | Fri, Nov 20 | American Airlines
      IAD 07:48
      15h 25m
      1 stop
      IAH 22:13
      Washington D.C. - Houston | Mon, Nov 23 | Frontier Airlines
      THB 7,670 THB 9,620
      20% off
      20% off
      THB 9,620 THB 7,670
    • HOU 17:28
      6h 14m
      1 stop
      IAD 00:42
      Houston - Washington D.C. | Fri, Nov 6 | Delta Air Lines
      IAD 21:06
      11h 17m
      1 stop
      IAH 07:23
      Washington D.C. - Houston | Sun, Nov 8 | Frontier Airlines
      THB 7,850 THB 9,620
      18% off
      18% off
      THB 9,620 THB 7,850
    • HOU 06:00
      6h 54m
      1 stop
      IAD 13:54
      Houston - Washington D.C. | Mon, Nov 23 | Delta Air Lines
      IAD 21:06
      11h 17m
      1 stop
      IAH 07:23
      Washington D.C. - Houston | Sun, Nov 29 | Frontier Airlines
      THB 7,990
      17% off
      THB 9,620 THB 7,990
    • HOU 17:28
      6h 14m
      1 stop
      IAD 00:42
      Houston - Washington D.C. | Fri, Oct 30 | Delta Air Lines
      IAD 21:06
      11h 13m
      1 stop
      IAH 07:19
      Washington D.C. - Houston | Sun, Nov 1 | Frontier Airlines
      THB 8,010
      17% off
      THB 9,620 THB 8,010
    • HOU 11:35
      5h 44m
      1 stop
      IAD 18:19
      Houston - Washington D.C. | Thu, Nov 19 | American Airlines
      IAD 08:05
      7h 45m
      1 stop
      IAH 14:50
      Washington D.C. - Houston | Tue, Nov 24 | Frontier Airlines
      THB 8,340
      13% off
      THB 9,620 THB 8,340
    • HOU 06:00
      6h 54m
      1 stop
      IAD 13:54
      Houston - Washington D.C. | Wed, Dec 9 | Delta Air Lines
      IAD 22:33
      11h 3m
      1 stop
      IAH 08:36
      Washington D.C. - Houston | Wed, Dec 16 | Frontier Airlines
      THB 8,400
      13% off
      THB 9,620 THB 8,400
    • HOU 17:06
      5h 17m
      1 stop
      IAD 23:23
      Houston - Washington D.C. | Fri, Nov 13 | American Airlines
      IAD 21:06
      11h 17m
      1 stop
      IAH 07:23
      Washington D.C. - Houston | Sat, Nov 14 | Frontier Airlines
      THB 8,520
      11% off
      THB 9,620 THB 8,520
    • HOU 17:28
      6h 14m
      1 stop
      IAD 00:42
      Houston - Washington D.C. | Fri, Nov 13 | Delta Air Lines
      IAD 21:06
      11h 17m
      1 stop
      IAH 07:23
      Washington D.C. - Houston | Sat, Nov 14 | Frontier Airlines
      THB 8,560
      11% off
      THB 9,620 THB 8,560
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Sat, Oct 31 | Normal Airline
      WAS 15:00
      6h
      Direct
      HOU 16:00
      Washington D.C. - Houston | Mon, Nov 2 | Normal Airline
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    • Cheapest
      HOU 06:09
      10h 4m
      1 stop
      IAD 17:13
      Houston - Washington D.C. | Thu, Nov 19 | Delta Air Lines
      THB 3,380 THB 5,940
      43% off
      43% off
      THB 5,940 THB 3,380
    • HOU 06:09
      17h 12m
      1 stop
      IAD 00:21
      Houston - Washington D.C. | Sat, Nov 14 | Delta Air Lines
      THB 4,490 THB 5,940
      24% off
      24% off
      THB 5,940 THB 4,490
    • HOU 06:09
      17h 12m
      1 stop
      IAD 00:21
      Houston - Washington D.C. | Tue, Nov 10 | Delta Air Lines
      THB 4,490 THB 5,940
      24% off
      24% off
      THB 5,940 THB 4,490
    • HOU 06:09
      17h 12m
      1 stop
      IAD 00:21
      Houston - Washington D.C. | Thu, Nov 12 | Delta Air Lines
      THB 4,590
      23% off
      THB 5,940 THB 4,590
    • HOU 06:00
      4h 37m
      1 stop
      IAD 11:37
      Houston - Washington D.C. | Mon, Dec 14 | Delta Air Lines
      THB 5,220
      12% off
      THB 5,940 THB 5,220
    • HOU 06:00
      4h 37m
      1 stop
      IAD 11:37
      Houston - Washington D.C. | Sat, Dec 12 | Delta Air Lines
      THB 5,280
      11% off
      THB 5,940 THB 5,280
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Sat, Oct 31 | Normal Airline
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    • HOU 11:12
      4h 58m
      1 stop
      IAD 17:10
      Houston - Washington D.C. | Wed, Nov 4 | Delta Air Lines
      THB 5,190 THB 13,540
      62% off
      62% off
      THB 13,540 THB 5,190
    • HOU 10:41
      4h 21m
      1 stop
      IAD 16:02
      Houston - Washington D.C. | Wed, Dec 2 | Delta Air Lines
      THB 5,300 THB 13,540
      61% off
      61% off
      THB 13,540 THB 5,300
    • HOU 10:41
      4h 21m
      1 stop
      IAD 16:02
      Houston - Washington D.C. | Wed, Dec 9 | Delta Air Lines
      THB 5,650 THB 13,540
      57% off
      57% off
      THB 13,540 THB 5,650
    • HOU 10:41
      4h 21m
      1 stop
      IAD 16:02
      Houston - Washington D.C. | Wed, Dec 16 | Delta Air Lines
      THB 5,650
      57% off
      THB 13,540 THB 5,650
    • HOU 06:00
      5h 16m
      1 stop
      IAD 12:16
      Houston - Washington D.C. | Wed, Dec 23 | Delta Air Lines
      THB 6,880
      49% off
      THB 13,540 THB 6,880
    • HOU 10:41
      4h 21m
      1 stop
      IAD 16:02
      Houston - Washington D.C. | Fri, Dec 4 | Delta Air Lines
      THB 7,290
      46% off
      THB 13,540 THB 7,290
    • HOU 10:27
      4h 32m
      1 stop
      IAD 15:59
      Houston - Washington D.C. | Thu, Nov 12 | Delta Air Lines
      THB 7,440
      45% off
      THB 13,540 THB 7,440
    • HOU 10:27
      4h 32m
      1 stop
      IAD 15:59
      Houston - Washington D.C. | Tue, Nov 17 | Delta Air Lines
      THB 9,640
      28% off
      THB 13,540 THB 9,640
    • HOU 11:12
      4h 58m
      1 stop
      IAD 17:10
      Houston - Washington D.C. | Sat, Oct 31 | Delta Air Lines
      THB 9,940
      27% off
      THB 13,540 THB 9,940
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Sat, Oct 31 | Normal Airline
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    • HOU 11:12
      4h 58m
      1 stop
      IAD 17:10
      Houston - Washington D.C. | Wed, Nov 4 | Delta Air Lines
      THB 5,190 THB 11,170
      54% off
      54% off
      THB 11,170 THB 5,190
    • HOU 11:12
      4h 58m
      1 stop
      IAD 17:10
      Houston - Washington D.C. | Sat, Oct 31 | Delta Air Lines
      THB 9,940 THB 11,170
      11% off
      11% off
      THB 11,170 THB 9,940
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Sat, Oct 31 | Normal Airline
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    • HOU 06:00
      4h 37m
      1 stop
      IAD 11:37
      Houston - Washington D.C. | Mon, Dec 14 | Delta Air Lines
      THB 5,220 THB 5,940
      12% off
      12% off
      THB 5,940 THB 5,220
    • HOU 06:00
      4h 37m
      1 stop
      IAD 11:37
      Houston - Washington D.C. | Sat, Dec 12 | Delta Air Lines
      THB 5,280 THB 5,940
      11% off
      11% off
      THB 5,940 THB 5,280
    • HOU 06:09
      10h 4m
      1 stop
      IAD 17:13
      Houston - Washington D.C. | Thu, Nov 19 | Delta Air Lines
      THB 3,380 THB 5,940
      43% off
      43% off
      THB 5,940 THB 3,380
    • HOU 06:09
      17h 12m
      1 stop
      IAD 00:21
      Houston - Washington D.C. | Sat, Nov 14 | Delta Air Lines
      THB 4,490
      24% off
      THB 5,940 THB 4,490
    • HOU 06:09
      17h 12m
      1 stop
      IAD 00:21
      Houston - Washington D.C. | Tue, Nov 10 | Delta Air Lines
      THB 4,490
      24% off
      THB 5,940 THB 4,490
    • HOU 06:09
      17h 12m
      1 stop
      IAD 00:21
      Houston - Washington D.C. | Thu, Nov 12 | Delta Air Lines
      THB 4,590
      23% off
      THB 5,940 THB 4,590
    • HOU 13:00
      17h 25m
      1 stop
      WAS 14:00
      Houston - Washington D.C. | Sat, Oct 31 | Normal Airline
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Displayed flight fares from Houston to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from William P. Hobby Airport to Dulles International Airport?

The cheapest airline flying from William P. Hobby Airport to Dulles International Airport is Delta Air Lines (from THB 3,120) among 3 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From THB 3,120
Hahn Air
From THB 4,450
American Airlines
From THB 5,290

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What is the flight schedule from William P. Hobby Airport to Dulles International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL2557

    William P. Hobby Airport

    06:00

    HOU

    2h

    Direct

    09:00

    ATL

    S M T W T F S
    Search

  2. DL1444

    Hartsfield–Jackson Atlanta International Airport

    09:45

    ATL

    1h 47m

    Direct

    11:32

    IAD

    - - - W T - -

  3. AA3494

    William P. Hobby Airport

    17:16

    HOU

    1h 29m

    Direct

    18:45

    DFW

    S - T - - - S
    Search

  4. AA1291

    Dallas Fort Worth International Airport

    18:55

    DFW

    2h 53m

    Direct

    22:48

    IAD

    S M T - - - S

  5. DL2557

    William P. Hobby Airport

    06:00

    HOU

    2h

    Direct

    09:00

    ATL

    S M T W T F S
    Search

  6. DL1922

    Hartsfield–Jackson Atlanta International Airport

    12:25

    ATL

    1h 44m

    Direct

    14:09

    IAD

    S M T W T F S

  7. DL2557

    William P. Hobby Airport

    06:00

    HOU

    2h

    Direct

    09:00

    ATL

    S M T W T F S
    Search

  8. F94410

    Hartsfield–Jackson Atlanta International Airport

    15:20

    ATL

    1h 52m

    Direct

    17:12

    IAD

    S M T W T F S

  9. DL1509

    William P. Hobby Airport

    11:12

    HOU

    2h

    Direct

    14:12

    ATL

    S M T W T F S
    Search

  10. F93692

    Hartsfield–Jackson Atlanta International Airport

    22:30

    ATL

    1h 51m

    Direct

    00:21

    IAD

    S M T W T F S

  11. DL2557

    William P. Hobby Airport

    06:00

    HOU

    2h

    Direct

    09:00

    ATL

    S M T W T F S
    Search

  12. F93692

    Hartsfield–Jackson Atlanta International Airport

    22:30

    ATL

    1h 51m

    Direct

    00:21

    IAD

    S M T W T F S

  13. DL2381

    William P. Hobby Airport

    17:35

    HOU

    2h

    Direct

    20:35

    ATL

    S M T W T F S
    Search

  14. F94410

    Hartsfield–Jackson Atlanta International Airport

    15:20

    ATL

    1h 52m

    Direct

    17:12

    IAD

    S M T W T F S

  15. DL1195

    William P. Hobby Airport

    15:09

    HOU

    2h 2m

    Direct

    18:11

    ATL

    - - - W T - -
    Search

  16. F94410

    Hartsfield–Jackson Atlanta International Airport

    15:20

    ATL

    1h 52m

    Direct

    17:12

    IAD

    S M T W T F S
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About William P. Hobby Airport and Dulles International Airport

Learn about William P. Hobby Airport (HOU) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 1,933.5km
Cheapest one-way ticket price THB 3,380
Cheapest return ticket price THB 7,640

FAQs for William P. Hobby Airport to Dulles International Airport Flights

  • What are the cheapest flights from William P. Hobby Airport to Dulles International Airport?

    One-way flights from William P. Hobby Airport to Dulles International Airport currently start from THB 3,380, and round-trip fares start from THB 7,640. The current lowest fare is a Delta Air Lines flight departing on Thu, Nov 19; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from William P. Hobby Airport to Dulles International Airport is THB 8,920. Prices may vary depending on the departure date, airline, and availability.
  • Enter William P. Hobby Airport and Dulles International 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.

Find Cheap Flights with Trip.com

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.