$129 Cheap Delta flights Boston (BOS) to Washington (IAD)

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

$129 Cheap Delta flights Boston (BOS) to Washington (IAD)

Prices were available within the past 7 days and start at $129 for one-way flights and $204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Apr 28 - Wed, May 13
BOS
Boston
IAD
Washington
$204 Roundtrip, found 7 hours ago
$204
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Apr 28 from Boston to Washington, returning Wed, May 13, priced at $204 found 7 hours ago
Delta
Tue, Apr 28 - Wed, May 13
BOS
Boston
IAD
Washington
$234 Roundtrip, found 7 hours ago
$234
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Apr 28 from Boston to Washington, returning Wed, May 13, priced at $234 found 7 hours ago
Delta
Sun, May 31 - Tue, Jun 16
BOS
Boston
IAD
Washington
$252 Roundtrip, found 4 days ago
$252
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, May 31 from Boston to Washington, returning Tue, Jun 16, priced at $252 found 4 days 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
American Airlines
Distance
657 km
Average flight time
1 hour 43 mins

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