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¥16,040 Cheap United flights Boston (BOS) to Washington (IAD)
Prices were available within the past 7 days and start at ¥16,040 for one-way flights and ¥32,070 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 24 - Sat, Jan 31
BOS
Boston
IAD
Washington
¥32,070 Roundtrip, found 1 day ago
¥32,070
Roundtrip
found 1 day ago

Sat, Jan 24 - Sat, Jan 31
BOS
Boston
IAD
Washington
¥33,580 Roundtrip, found 1 day ago
¥33,580
Roundtrip
found 1 day ago

Wed, Jan 21 - Thu, Jan 29
BOS
Boston
IAD
Washington
¥34,690 Roundtrip, found 3 days ago
¥34,690
Roundtrip
found 3 days ago

Sat, Jan 24 - Sat, Jan 31
BOS
Boston
IAD
Washington
¥35,090 Roundtrip, found 1 day ago
¥35,090
Roundtrip
found 1 day ago

Thu, Jan 22 - Thu, Jan 29
BOS
Boston
IAD
Washington
¥35,440 Roundtrip, found 3 days ago
¥35,440
Roundtrip
found 3 days ago

Mon, Jan 26 - Mon, Feb 2
BOS
Boston
IAD
Washington
¥35,570 Roundtrip, found 6 days ago
¥35,570
Roundtrip
found 6 days ago
Find the cheapest month to fly from Boston (BOS) to Washington (IAD)
February is typically the cheapest month to fly
From ¥15,085 - ¥36,413 per traveler.
Frequently asked questions
Travel information
Origin airport | Logan Intl. |
|---|---|
Destination airport | Washington Dulles Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, United |
Popular airline | Delta |
Distance | 657 km |
Average flight time | 1 hour 47 mins |
*Available to Expedia members.