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Boston Logan International Airport to Dulles International Airport flight
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Boston Logan International Airport to Dulles International Airport Flights Info

Cheapest one-way
SAR 279
Frontier Airlines Frontier Airlines 6h 45m · 1 stop Sat, Dec 26
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Cheapest return
SAR 443
Frontier Airlines Frontier Airlines 9h 20m · 2 stops Sat, Dec 12 - Sat, Dec 19
Book Now
Best time to book
February
Cheapest
Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From SAR 279 American Airlines American AirlinesMost booked

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 SAR 279 and round-trip from SAR 443. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      BOS 08:28
      6h 45m
      1 stop
      IAD 15:13
      Boston - Washington D.C. | Sat, Dec 26 | Frontier Airlines
      SAR 279 SAR 466
      40% off
      40% off
      SAR 466 SAR 279
    • BOS 10:25
      11h 8m
      1 stop
      IAD 21:33
      Boston - Washington D.C. | Tue, Dec 29 | Frontier Airlines
      SAR 314 SAR 466
      33% off
      33% off
      SAR 466 SAR 314
    • BOS 14:40
      1h 47m
      Direct
      IAD 16:27
      Boston - Washington D.C. | Tue, Nov 17 | United Airlines
      SAR 321 SAR 1,493
      78% off
      78% off
      SAR 1,493 SAR 321
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Tue, Dec 29 | United Airlines
      SAR 355
      24% off
      SAR 466 SAR 355
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Sun, Dec 27 | United Airlines
      SAR 357
      23% off
      SAR 466 SAR 357
    • BOS 14:36
      1h 47m
      Direct
      IAD 16:23
      Boston - Washington D.C. | Sat, Dec 12 | United Airlines
      SAR 359
      23% off
      SAR 466 SAR 359
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Sun, Dec 13 | United Airlines
      SAR 359
      23% off
      SAR 466 SAR 359
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Sun, Dec 20 | United Airlines
      SAR 366
      21% off
      SAR 466 SAR 366
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Tue, Dec 22 | United Airlines
      SAR 366
      21% off
      SAR 466 SAR 366
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Fri, Dec 11 | United Airlines
      DCA 06:59
      1h 41m
      Direct
      BOS 08:40
      Washington D.C. - Boston | Fri, Dec 18 | Delta Air Lines
      SAR 562 SAR 1,782
      68% off
      68% off
      SAR 1,782 SAR 562
    • BOS 05:30
      1h 40m
      Direct
      IAD 07:10
      Boston - Washington D.C. | Thu, Nov 19 | United Airlines
      DCA 06:00
      1h 50m
      Direct
      BOS 07:50
      Washington D.C. - Boston | Mon, Nov 23 | American Airlines
      SAR 570 SAR 1,782
      68% off
      68% off
      SAR 1,782 SAR 570
    • BOS 05:30
      1h 40m
      Direct
      IAD 07:10
      Boston - Washington D.C. | Mon, Nov 23 | United Airlines
      DCA 06:59
      1h 36m
      Direct
      BOS 08:35
      Washington D.C. - Boston | Fri, Nov 27 | American Airlines
      SAR 574 SAR 1,782
      68% off
      68% off
      SAR 1,782 SAR 574
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Thu, Dec 3 | United Airlines
      DCA 08:00
      1h 47m
      Direct
      BOS 09:47
      Washington D.C. - Boston | Sat, Dec 5 | American Airlines
      SAR 575
      68% off
      SAR 1,782 SAR 575
    • BOS 05:30
      1h 40m
      Direct
      IAD 07:10
      Boston - Washington D.C. | Sat, Nov 21 | United Airlines
      DCA 06:59
      1h 36m
      Direct
      BOS 08:35
      Washington D.C. - Boston | Mon, Nov 23 | American Airlines
      SAR 583
      67% off
      SAR 1,782 SAR 583
    • BOS 05:30
      1h 40m
      Direct
      IAD 07:10
      Boston - Washington D.C. | Wed, Nov 18 | United Airlines
      DCA 06:00
      1h 38m
      Direct
      BOS 07:38
      Washington D.C. - Boston | Thu, Nov 19 | Delta Air Lines
      SAR 585
      67% off
      SAR 1,782 SAR 585
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Wed, Dec 2 | United Airlines
      DCA 06:00
      1h 45m
      Direct
      BOS 07:45
      Washington D.C. - Boston | Mon, Dec 7 | Delta Air Lines
      SAR 586
      67% off
      SAR 1,782 SAR 586
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Fri, Dec 4 | United Airlines
      DCA 06:59
      1h 41m
      Direct
      BOS 08:40
      Washington D.C. - Boston | Sun, Dec 6 | Delta Air Lines
      SAR 588
      67% off
      SAR 1,782 SAR 588
    • BOS 11:08
      9h 20m
      1 stop
      IAD 20:28
      Boston - Washington D.C. | Sat, Dec 12 | Frontier Airlines
      IAD 22:59
      8h 44m
      1 stop
      BOS 07:43
      Washington D.C. - Boston | Sat, Dec 19 | Frontier Airlines
      SAR 443
      75% off
      SAR 1,782 SAR 443
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
      WAS 15:00
      6h
      Direct
      BOS 16:00
      Washington D.C. - Boston | Thu, Nov 19 | Normal Airline
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    • Cheapest nonstop
      BOS 14:40
      1h 47m
      Direct
      IAD 16:27
      Boston - Washington D.C. | Tue, Nov 17 | United Airlines
      SAR 321 SAR 1,493
      78% off
      78% off
      SAR 1,493 SAR 321
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Tue, Dec 29 | United Airlines
      SAR 355 SAR 466
      24% off
      24% off
      SAR 466 SAR 355
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Sun, Dec 27 | United Airlines
      SAR 357 SAR 466
      23% off
      23% off
      SAR 466 SAR 357
    • BOS 14:36
      1h 47m
      Direct
      IAD 16:23
      Boston - Washington D.C. | Sat, Dec 12 | United Airlines
      SAR 359
      23% off
      SAR 466 SAR 359
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Sun, Dec 13 | United Airlines
      SAR 359
      23% off
      SAR 466 SAR 359
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Sun, Dec 20 | United Airlines
      SAR 366
      21% off
      SAR 466 SAR 366
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Tue, Dec 22 | United Airlines
      SAR 366
      21% off
      SAR 466 SAR 366
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Sat, Dec 19 | United Airlines
      SAR 367
      75% off
      SAR 1,493 SAR 367
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Sat, Dec 19 | United Airlines
      SAR 368
      21% off
      SAR 466 SAR 368
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      BOS 14:40
      1h 47m
      Direct
      IAD 16:27
      Boston - Washington D.C. | Tue, Nov 17 | United Airlines
      SAR 321 SAR 1,493
      78% off
      78% off
      SAR 1,493 SAR 321
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Sat, Dec 19 | United Airlines
      SAR 367 SAR 1,493
      75% off
      75% off
      SAR 1,493 SAR 367
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Fri, Dec 11 | United Airlines
      SAR 368 SAR 1,493
      75% off
      75% off
      SAR 1,493 SAR 368
    • BOS 14:25
      1h 47m
      Direct
      IAD 16:12
      Boston - Washington D.C. | Wed, Jan 6 | United Airlines
      SAR 382
      74% off
      SAR 1,493 SAR 382
    • BOS 09:30
      1h 45m
      Direct
      IAD 11:15
      Boston - Washington D.C. | Fri, Dec 4 | United Airlines
      SAR 439
      71% off
      SAR 1,493 SAR 439
    • BOS 19:33
      1h 47m
      Direct
      IAD 21:20
      Boston - Washington D.C. | Wed, Dec 9 | United Airlines
      SAR 533
      64% off
      SAR 1,493 SAR 533
    • BOS 09:30
      1h 47m
      Direct
      IAD 11:17
      Boston - Washington D.C. | Mon, Jan 11 | United Airlines
      SAR 634
      57% off
      SAR 1,493 SAR 634
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Thu, Dec 31 | United Airlines
      SAR 715
      52% off
      SAR 1,493 SAR 715
    • BOS 05:45
      1h 47m
      Direct
      IAD 07:32
      Boston - Washington D.C. | Tue, Dec 29 | United Airlines
      SAR 726
      51% off
      SAR 1,493 SAR 726
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest nonstop
      BOS 14:40
      1h 47m
      Direct
      IAD 16:27
      Boston - Washington D.C. | Tue, Nov 17 | United Airlines
      SAR 321 SAR 392
      18% off
      18% off
      SAR 392 SAR 321
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
      Find more flights
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    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Sat, Dec 19 | United Airlines
      SAR 368 SAR 466
      21% off
      21% off
      SAR 466 SAR 368
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Fri, Dec 11 | United Airlines
      SAR 368 SAR 1,493
      75% off
      75% off
      SAR 1,493 SAR 368
    • BOS 05:45
      1h 40m
      Direct
      IAD 07:25
      Boston - Washington D.C. | Thu, Dec 24 | United Airlines
      SAR 379 SAR 466
      19% off
      19% off
      SAR 466 SAR 379
    • BOS 09:30
      1h 45m
      Direct
      IAD 11:15
      Boston - Washington D.C. | Fri, Dec 4 | United Airlines
      SAR 439
      71% off
      SAR 1,493 SAR 439
    • BOS 09:30
      1h 45m
      Direct
      IAD 11:15
      Boston - Washington D.C. | Fri, Nov 27 | United Airlines
      SAR 961
      36% off
      SAR 1,493 SAR 961
    • BOS 19:49
      1h 46m
      Direct
      IAD 21:35
      Boston - Washington D.C. | Fri, Jan 1 | United Airlines
      SAR 646
      45% off
      SAR 1,172 SAR 646
    • BOS 19:49
      1h 46m
      Direct
      IAD 21:35
      Boston - Washington D.C. | Wed, Dec 30 | United Airlines
      SAR 720
      39% off
      SAR 1,172 SAR 720
    • BOS 19:49
      1h 46m
      Direct
      IAD 21:35
      Boston - Washington D.C. | Sun, Dec 20 | United Airlines
      SAR 791
      33% off
      SAR 1,172 SAR 791
    • BOS 19:49
      1h 46m
      Direct
      IAD 21:35
      Boston - Washington D.C. | Fri, Dec 25 | United Airlines
      SAR 796
      32% off
      SAR 1,172 SAR 796
    • BOS 13:00
      17h 25m
      1 stop
      WAS 14:00
      Boston - Washington D.C. | Tue, Nov 17 | Normal Airline
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Displayed flight fares from Boston 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 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 SAR 279) among 4 carriers operating this route. Based on Trip.com's latest 7-day flight data.
IndiGo logo IndiGo Air India logo Air India Air India Express logo Air India Express Akasa Air logo Akasa Air Spicejet logo Spicejet
American Airlines logo American Airlines Jetblue Airways logo Jetblue Airways Delta Air Lines logo Delta Air Lines United Airlines logo United Airlines

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 SAR 639. It is best to avoid October, when the average price can reach SAR 1,226.

SAR 1,226
SAR 933
SAR 639
SAR 346
    Cheapest
  • SAR 770
    Nov
  • SAR 739
    Dec
  • SAR 810
    Jan
  • SAR 639
    Feb
  • SAR 923
    Mar
  • SAR 868
    Apr
  • SAR 811
    May
  • SAR 977
    Jun
  • SAR 766
    Jul
  • SAR 885
    Aug
  • SAR 997
    Sep
  • SAR 1,226
    Oct

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 Sunday as prices are typically highest on that day.

SAR 1,049
SAR 737
SAR 424
SAR 112
    Cheapest
  • SAR 926
    Mon
  • SAR 666
    Tue
  • SAR 424
    Wed
  • SAR 850
    Thu
  • SAR 874
    Fri
  • SAR 811
    Sat
  • SAR 1,049
    Sun

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

    05:40

    BOS

    1h 50m

    07:30

    IAD

    S M T W T F S
    Search

  2. UA694

    Boston Logan International Airport

    19:41

    BOS

    1h 47m

    21:28

    IAD

    S M T W T - S
    Search

  3. UA721

    Boston Logan International Airport

    14:40

    BOS

    1h 50m

    16:30

    IAD

    S M T W T F S
    Search

  4. UA2098

    Boston Logan International Airport

    09:30

    BOS

    1h 50m

    11:20

    IAD

    S M T W T F S
    Search

  5. UA1693

    Boston Logan International Airport

    18:55

    BOS

    1h 27m

    Direct

    20:22

    EWR

    S M T W T - S
    Search

  6. UA1784

    Newark Liberty International Airport

    21:00

    EWR

    1h 25m

    Direct

    22:25

    IAD

    S M T W T F S

  7. UA592

    Boston Logan International Airport

    17:57

    BOS

    1h 26m

    Direct

    19:23

    EWR

    S M T W T F S
    Search

  8. UA1784

    Newark Liberty International Airport

    21:00

    EWR

    1h 25m

    Direct

    22:25

    IAD

    S M T W T F S

  9. UA592

    Boston Logan International Airport

    17:57

    BOS

    1h 26m

    Direct

    19:23

    EWR

    S M T W T F S
    Search

  10. UA1402

    Newark Liberty International Airport

    22:00

    EWR

    1h 25m

    Direct

    23:25

    IAD

    - M T W - - -

  11. DL2611

    Boston Logan International Airport

    06:00

    BOS

    1h 29m

    Direct

    07:29

    JFK

    S M T W T F S
    Search

  12. DL5595

    John F. Kennedy International Airport

    10:25

    JFK

    1h 27m

    Direct

    11:52

    IAD

    S M T W T F S

  13. F91977

    Boston Logan International Airport

    10:26

    BOS

    3h 13m

    Direct

    13:39

    MCO

    - - - - T F S
    Search

  14. F94230

    Orlando International Airport

    08:00

    MCO

    2h 21m

    Direct

    10:21

    IAD

    S M T W - - -

  15. F91977

    Boston Logan International Airport

    10:26

    BOS

    3h 13m

    Direct

    13:39

    MCO

    - - - - T F S
    Search

  16. F92860

    Orlando International Airport

    16:24

    MCO

    2h 22m

    Direct

    18:46

    IAD

    - - - - T F S
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FAQs for Boston Logan International Airport to Dulles International Airport Flights

  • How long is the flight from Boston Logan International Airport to Dulles International Airport?

    Boston Logan International Airport to Dulles International Airport takes about 1 hour 16 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 4 daily flights from Boston Logan International Airport (BOS) to Dulles International Airport (IAD).
  • The earliest flight from Boston Logan International Airport to Dulles International Airport departs at 05:30, and the last departs at 19:41, with about 6 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • 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 SAR 1,155 in November, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 3581 flights per month.
  • One-way flights from Boston Logan International Airport to Dulles International Airport currently start from SAR 279, and round-trip fares start from SAR 443. The current lowest fare is a Frontier Airlines flight departing on Sat, Dec 26; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Boston Logan International Airport to Dulles International Airport, with an average flight time of 1 hour 17 minutes, and around 29 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 Boston Logan International Airport to Dulles International Airport is SAR 714. Prices may vary depending on the departure date, airline, and availability.
  • Boston Logan International Airport to Dulles International Airport operates around 29 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • 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.

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