Trip.com
>
Cheap Flights
>
United States
>
District of Columbia
>
Washington D.C.
>
Boston to Washington D.C. flight
>
Boston Logan International Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Boston Logan International Airport to Dulles International Airport over the next 90 days, with one-way fares from HK$506 and round-trip from HK$986. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        BOS 05:45
        1h 35m
        Direct
        IAD 07:20
        Boston - Washington D.C. | Sat, Oct 3 | United Airlines
        DCA 06:00
        1h 44m
        Direct
        BOS 07:44
        Washington D.C. - Boston | Thu, Oct 8 | American Airlines
        HK$1,046 HK$1,898
        45% off
        45% off
        HK$1,898 HK$1,046
      • BOS 19:23
        1h 45m
        Direct
        IAD 21:08
        Boston - Washington D.C. | Mon, Sep 21 | United Airlines
        DCA 06:59
        1h 42m
        Direct
        BOS 08:41
        Washington D.C. - Boston | Tue, Sep 22 | Delta Air Lines
        HK$1,082 HK$1,898
        43% off
        43% off
        HK$1,898 HK$1,082
      • BOS 05:45
        1h 35m
        Direct
        IAD 07:20
        Boston - Washington D.C. | Sat, Sep 26 | United Airlines
        DCA 06:00
        1h 43m
        Direct
        BOS 07:43
        Washington D.C. - Boston | Sat, Oct 3 | Delta Air Lines
        HK$1,107 HK$1,898
        42% off
        42% off
        HK$1,898 HK$1,107
      • BOS 05:45
        1h 35m
        Direct
        IAD 07:20
        Boston - Washington D.C. | Thu, Sep 24 | United Airlines
        DCA 17:00
        1h 55m
        Direct
        BOS 18:55
        Washington D.C. - Boston | Fri, Sep 25 | Delta Air Lines
        HK$1,121
        41% off
        HK$1,898 HK$1,121
      • BOS 05:45
        1h 35m
        Direct
        IAD 07:20
        Boston - Washington D.C. | Mon, Sep 28 | United Airlines
        DCA 17:00
        1h 55m
        Direct
        BOS 18:55
        Washington D.C. - Boston | Mon, Oct 5 | Delta Air Lines
        HK$1,121
        41% off
        HK$1,898 HK$1,121
      • BOS 05:45
        1h 35m
        Direct
        IAD 07:20
        Boston - Washington D.C. | Mon, Oct 12 | United Airlines
        DCA 17:00
        1h 55m
        Direct
        BOS 18:55
        Washington D.C. - Boston | Mon, Oct 12 | Delta Air Lines
        HK$1,134
        40% off
        HK$1,898 HK$1,134
      • BOS 12:45
        10h 7m
        1 stop
        IAD 22:52
        Boston - Washington D.C. | Mon, Sep 7 | Frontier Airlines
        DCA 11:50
        1h 40m
        Direct
        BOS 13:30
        Washington D.C. - Boston | Thu, Sep 10 | Delta Air Lines
        HK$986
        48% off
        HK$1,898 HK$986
      • BOS 12:45
        10h 7m
        1 stop
        IAD 22:52
        Boston - Washington D.C. | Sat, Sep 5 | Frontier Airlines
        DCA 11:00
        1h 35m
        Direct
        BOS 12:35
        Washington D.C. - Boston | Wed, Sep 9 | Jetblue Airways
        HK$992
        48% off
        HK$1,898 HK$992
      • BOS 09:36
        7h 38m
        1 stop
        IAD 17:14
        Boston - Washington D.C. | Sat, Sep 19 | Frontier Airlines
        DCA 06:59
        1h 42m
        Direct
        BOS 08:41
        Washington D.C. - Boston | Tue, Sep 22 | Delta Air Lines
        HK$1,013
        47% off
        HK$1,898 HK$1,013
      • BOS 12:54
        11h 16m
        1 stop
        IAD 00:10
        Boston - Washington D.C. | Sat, Sep 26 | Frontier Airlines
        BWI 22:00
        1h 39m
        Direct
        BOS 23:39
        Washington D.C. - Boston | Sun, Sep 27 | Delta Air Lines
        HK$1,064
        44% off
        HK$1,898 HK$1,064
      • BOS 12:45
        10h 7m
        1 stop
        IAD 22:52
        Boston - Washington D.C. | Fri, Sep 18 | Frontier Airlines
        DCA 19:59
        2h 4m
        Direct
        BOS 22:03
        Washington D.C. - Boston | Mon, Sep 21 | Jetblue Airways
        HK$1,109
        42% off
        HK$1,898 HK$1,109
      • BOS 12:54
        11h 16m
        1 stop
        IAD 00:10
        Boston - Washington D.C. | Fri, Sep 25 | Frontier Airlines
        IAD 11:12
        23h 46m
        1 stop
        BOS 10:58
        Washington D.C. - Boston | Mon, Sep 28 | Frontier Airlines
        HK$1,499
        21% off
        HK$1,898 HK$1,499
      • BOS 13:00
        17h 25m
        1 stop
        WAS 14:00
        Boston - Washington D.C. | Mon, Aug 31 | Normal Airline
        WAS 15:00
        6h
        Direct
        BOS 16:00
        Washington D.C. - Boston | Wed, Sep 2 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        BOS 19:41
        1h 47m
        Direct
        IAD 21:28
        Boston - Washington D.C. | Tue, Oct 27 | United Airlines
        HK$665 HK$906
        27% off
        27% off
        HK$906 HK$665
      • BOS 05:45
        1h 35m
        Direct
        IAD 07:20
        Boston - Washington D.C. | Sat, Oct 3 | United Airlines
        HK$707 HK$906
        22% off
        22% off
        HK$906 HK$707
      • BOS 05:45
        1h 35m
        Direct
        IAD 07:20
        Boston - Washington D.C. | Thu, Oct 1 | United Airlines
        HK$710 HK$906
        22% off
        22% off
        HK$906 HK$710
      • BOS 09:30
        1h 41m
        Direct
        IAD 11:11
        Boston - Washington D.C. | Wed, Oct 7 | United Airlines
        HK$711
        22% off
        HK$906 HK$711
      • BOS 05:45
        1h 35m
        Direct
        IAD 07:20
        Boston - Washington D.C. | Thu, Oct 22 | United Airlines
        HK$711
        22% off
        HK$906 HK$711
      • BOS 09:30
        1h 41m
        Direct
        IAD 11:11
        Boston - Washington D.C. | Tue, Oct 6 | United Airlines
        HK$712
        21% off
        HK$906 HK$712
      • BOS 05:45
        1h 35m
        Direct
        IAD 07:20
        Boston - Washington D.C. | Wed, Sep 30 | United Airlines
        HK$715
        21% off
        HK$906 HK$715
      • BOS 11:17
        23h
        1 stop
        IAD 10:17
        Boston - Washington D.C. | Thu, Oct 1 | Frontier Airlines
        HK$506
        44% off
        HK$906 HK$506
      • BOS 12:54
        11h 16m
        1 stop
        IAD 00:10
        Boston - Washington D.C. | Sat, Oct 3 | Frontier Airlines
        HK$508
        44% off
        HK$906 HK$508
      • BOS 11:36
        21h 2m
        1 stop
        IAD 08:38
        Boston - Washington D.C. | Fri, Oct 2 | Frontier Airlines
        HK$510
        44% off
        HK$906 HK$510
      • BOS 12:54
        11h 16m
        1 stop
        IAD 00:10
        Boston - Washington D.C. | Sat, Sep 19 | Frontier Airlines
        HK$618
        32% off
        HK$906 HK$618
      • BOS 12:54
        11h 16m
        1 stop
        IAD 00:10
        Boston - Washington D.C. | Wed, Sep 30 | Frontier Airlines
        HK$630
        30% off
        HK$906 HK$630
      • BOS 13:00
        17h 25m
        1 stop
        WAS 14:00
        Boston - Washington D.C. | Mon, Aug 31 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Boston Logan International Airport to Dulles International Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.

Trip.com Price Insights: Flights from Boston Logan International Airport to Dulles International Airport

What is the cheapest month to fly from Boston Logan International Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Boston Logan International Airport to Dulles International 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 Boston Logan International Airport to Dulles International Airport are usually in February, with an average price of HK$1,324. It is best to avoid June, when the average price can reach HK$2,024.

HK$2,024
HK$1,674
HK$1,324
HK$974
    Cheapest
  • HK$1,880
    Aug
  • HK$1,665
    Sep
  • HK$1,542
    Oct
  • HK$1,788
    Nov
  • HK$1,530
    Dec
  • HK$1,678
    Jan
  • HK$1,324
    Feb
  • HK$1,912
    Mar
  • HK$1,797
    Apr
  • HK$1,679
    May
  • HK$2,024
    Jun
  • HK$1,587
    Jul

What is the cheapest day of the week to fly from Boston Logan International Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average ticket prices from Boston Logan International Airport to Dulles International 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 Boston Logan International Airport to Dulles International Airport is Wednesday, with average prices usually lower than other days. Avoid departing on Monday as prices are typically highest on that day.

HK$1,917
HK$1,398
HK$878
HK$359
    Cheapest
  • HK$1,917
    Mon
  • HK$1,541
    Tue
  • HK$878
    Wed
  • HK$1,719
    Thu
  • HK$1,886
    Fri
  • HK$1,703
    Sat
  • HK$1,558
    Sun

Which airline offers the cheapest flights from Boston Logan International Airport to Dulles International Airport?

The cheapest airline flying from Boston Logan International Airport to Dulles International Airport is Frontier Airlines (from HK$505) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From HK$505
United Airlines
From HK$582
Delta Air Lines
From HK$870
American Airlines
From HK$1,002
Jetblue Airways
From HK$1,857
Porter Airlines
From HK$2,549

Find more flights and airlines

What is the flight schedule from Boston Logan International Airport to Dulles International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA1734

    Boston Logan International Airport

    05:45

    BOS

    1h 34m

    07:19

    IAD

    S M T W T F S
    Search

  2. UA2098

    Boston Logan International Airport

    09:30

    BOS

    1h 35m

    11:05

    IAD

    S M T W T F S
    Search

  3. UA721

    Boston Logan International Airport

    14:16

    BOS

    1h 48m

    16:04

    IAD

    S M T W T F S
    Search

  4. F93511

    Boston Logan International Airport

    12:45

    BOS

    2h 55m

    Direct

    15:40

    ATL

    S M T W T F S
    Search

  5. F93692

    Hartsfield–Jackson Atlanta International Airport

    22:30

    ATL

    1h 51m

    Direct

    00:21

    IAD

    S M T W T F S

  6. F91977

    Boston Logan International Airport

    10:04

    BOS

    3h 36m

    Direct

    13:40

    MCO

    S - - W T F S
    Search

  7. F94230

    Orlando International Airport

    07:33

    MCO

    2h 17m

    Direct

    09:50

    IAD

    S M T W T - -
Find more flights and airlines

About Boston Logan International Airport and Dulles International Airport

Learn about Boston Logan International Airport (BOS) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 662.25km
Cheapest one-way ticket price HK$506
Cheapest return ticket price HK$986

FAQs for Boston Logan International Airport to Dulles International Airport Flights

  • How long does it take to fly from Boston Logan International Airport (BOS) to Dulles International Airport (IAD)?

    It takes around 1 hour 46 minutes to fly from Boston Logan International Airport (bos) to Dulles International Airport(iad).
  • There are around 4 daily flights from Boston Logan International Airport (BOS) to Dulles International Airport (IAD).
  • Tickets cost around HK$955 in November, making it the cheapest month to book. Boston Logan International Airport (BOS) to Dulles International Airport (IAD) is a popular route, so don't forget to book your tickets in advance.
  • The route from Boston Logan International Airport (BOS) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around HK$2,042 in August, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 3581 flights per month.
  • The earliest flight from Boston Logan International Airport to Dulles International Airport departs at 05:45, and the last departs at 19:23, with about 20 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • Boston Logan International Airport to Dulles International Airport operates around 90 weekly flights, mainly by United Airlines, avianca and Lufthansa. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Boston Logan International Airport to Dulles International Airport takes about 1 hour 19 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Boston Logan International Airport to Dulles International Airport is HK$1,180. Prices may vary depending on the departure date, airline, and availability.
  • Yes. United Airlines, avianca, Lufthansa, Copa Airlines and ITA Airways operate direct flights from Boston Logan International Airport to Dulles International Airport, with an average flight time of 1 hour 19 minutes, and around 27 weekly flights. Actual flight frequency may vary by season.
  • Enter Boston Logan International 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.

Book with no extra fees

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.