Cheap Flights from Boston to Arlington

View €48 flight on Mon, 25 Aug 2025Opens in a new window

Popular airlines from Boston to Arlington

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Cheap flights from Boston to Arlington (BOS-WAS)

Prices were available within the past 7 days and start at €48 for one-way flights and €97 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 21 Aug - Mon, 25 Aug
BOS
Boston
DCA
Washington
€97 Return, found 1 day ago
€97
Return
found 1 day ago
Select American Airlines flight, departing Thu, 21 Aug from Boston to Washington, returning Mon, 25 Aug, priced at €97 found 1 day ago
American Airlines
Thu, 21 Aug - Mon, 25 Aug
BOS
Boston
DCA
Washington
€99 Return, found 1 day ago
€99
Return
found 1 day ago
Select American Airlines flight, departing Thu, 21 Aug from Boston to Washington, returning Mon, 25 Aug, priced at €99 found 1 day ago
Delta
Thu, 21 Aug - Mon, 25 Aug
BOS
Boston
DCA
Washington
€101 Return, found 1 day ago
€101
Return
found 1 day ago
Select Delta flight, departing Thu, 21 Aug from Boston to Washington, returning Mon, 25 Aug, priced at €101 found 1 day ago
JetBlue Airways
Thu, 21 Aug - Mon, 25 Aug
BOS
Boston
DCA
Washington
€117 Return, found 1 day ago
€117
Return
found 1 day ago
Select JetBlue Airways flight, departing Thu, 21 Aug from Boston to Washington, returning Mon, 25 Aug, priced at €117 found 1 day ago
Delta
Thu, 21 Aug - Mon, 25 Aug
BOS
Boston
DCA
Washington
€120 Return, found 1 day ago
€120
Return
found 1 day ago
Select Delta flight, departing Thu, 21 Aug from Boston to Washington, returning Mon, 25 Aug, priced at €120 found 1 day ago
United
Tue, 2 Sep - Mon, 8 Sep
BOS
Boston
IAD
Washington
€180 Return, found 1 day ago
€180
Return
found 1 day ago
Select United flight, departing Tue, 2 Sep from Boston to Washington, returning Mon, 8 Sep, priced at €180 found 1 day ago

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

March is typically the cheapest month to fly

From €83 - €256 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.