$129 Cheap American Airlines flights Boston (BOS) to Washington (IAD)

View $129 flight on Tue, Apr 28, 2026Opens in a new window

$129 Cheap American Airlines flights Boston (BOS) to Washington (IAD)

Prices were available within the past 7 days and start at $129 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Apr 24 - Wed, Apr 29
BOS
Boston
IAD
Washington
$232 Roundtrip, found 19 hours ago
$232
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Apr 24 from Boston to Washington, returning Wed, Apr 29, priced at $232 found 19 hours ago
American Airlines
Tue, Apr 28 - Wed, May 13
BOS
Boston
IAD
Washington
$257 Roundtrip, found 17 hours ago
$257
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Tue, Apr 28 from Boston to Washington, returning Wed, May 13, priced at $257 found 17 hours ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $320
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $320

Find the cheapest month to fly from Boston (BOS) to Washington (IAD)

February is typically the cheapest month to fly

From $110 - $237 per traveler.

Travel information

Origin airport
Logan Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Popular airline
Delta
Distance
657 km
Average flight time
1 hour 43 mins

Explore a world of travel with Expedia