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Cheap Flights from Boston to Washington (BOS - WAS)

DepartReturn
1 adult
Note: some airlines charge for infants in laps.
The price shown for each flight will be the average for all passengers, including any infants.
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Best fares from BOS to WAS (Found by others)

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KAYAK searches hundreds of sites to find the best rate for your next flight from Boston to Washington. Get the best flight deal for your Washington trip!
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Direct flights BOS - WAS on Aer Lingus
Flight No. Departure BOS Arrival BWI Sun Mon Tue Wed Thu Fri Sat Valid between
5106 16:30 18:01 3 Sep - 24 Oct
5106 16:37 18:09 21 Aug - 2 Sep
5106 16:45 18:17 24 Aug - 31 Aug
5106 17:00 18:35 6 Sep - 25 Oct
5108 19:25 21:00 3 Sep - 24 Oct
5108 19:30 21:00 21 Aug - 1 Sep
5108 19:30 21:00 2 Sep - 2 Sep
5108 19:35 21:05 23 Aug - 30 Aug
5108 20:45 22:10 24 Aug - 31 Aug