SEARCH ONE AND DONE. - Compare hundreds of travel sites at once.
Choose where to book.
Find deals from over 400 airlines worldwide.
You could save up to 30% on the same flight.

Cheap Flights from Washington to Boston (WAS - BOS)

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.
Choose Sites to Compare vs. KAYAK

Best fares from WAS to BOS (Found by others)

Mon Tue Wed Thu Fri Sat Sun
          1
2
2 18,446
3
18,446
4 16,669 5
16,669
6
16,669
7
16,669
8
16,669
9
16,669
10
16,669
11
16,669
12
16,669
13
16,669
14
16,669
15
16,669
16
16,669
17
16,669
18
16,669
19
16,669
20
16,669
21
16,669
22
16,669
23
16,669
24
16,669
25
16,669
26
16,669
27
16,669
28
16,669
29
16,669
30
16,669
KAYAK searches hundreds of sites to find the best rate for your next flight from Washington to Boston. Get the best flight deal for your Boston trip!
Here's how it works. Search KAYAK for a flight ticket from Washington to Boston. Sort, filter and compare results on one web page. Then book your plane ticket directly on the airline or travel agent site of your choice!
Direct flights WAS - BOS on United
Flight No. Departure IAD Arrival BOS Mon Tue Wed Thu Fri Sat Sun Valid between
764 08:08 09:40 3 Dec - 17 Dec
1208 08:14 09:47 7 Dec - 14 Dec
764 08:14 09:49 27 Nov - 27 Nov
1208 08:20 09:56 1 Dec - 1 Dec
1489 08:20 09:56 12 Nov - 12 Nov
1555 08:20 09:56 18 Nov - 18 Nov
1555 08:20 09:56 23 Nov - 23 Nov
1555 08:20 09:56 9 Nov - 11 Nov
1607 08:20 09:56 2 Dec - 2 Dec
1607 08:20 09:53 4 Dec - 12 Dec
1623 08:20 09:56 25 Nov - 25 Nov
1623 08:20 09:56 6 Nov - 21 Nov
1634 08:20 09:56 29 Nov - 29 Nov
1641 08:20 09:56 19 Nov - 19 Nov
1711 08:20 09:56 26 Nov - 26 Nov
1732 08:20 09:56 16 Nov - 16 Nov
3770 08:20 09:55 22 Nov - 22 Nov
3770 08:20 09:55 8 Nov - 15 Nov
3804 08:20 09:52 6 Dec - 13 Dec
764 08:20 09:55 30 Nov - 30 Nov
764 08:20 09:55 24 Nov - 24 Nov
3760 12:14 13:44 3 Dec - 17 Dec
3760 12:15 13:45 2 Nov - 17 Nov
3760 12:15 13:45 18 Nov - 18 Nov
3760 12:15 13:45 19 Nov - 25 Nov
3760 12:15 13:45 26 Nov - 26 Nov
3760 12:15 13:45 27 Nov - 2 Dec
3760 12:15 13:45 28 Nov - 28 Nov
1510 16:55 18:30 1 Dec - 1 Dec
1552 16:55 18:30 30 Nov - 30 Nov
3735 16:55 18:29 29 Nov - 29 Nov
3741 16:59 18:33 11 Nov - 12 Nov
3741 16:59 18:33 19 Nov - 19 Nov
3741 16:59 18:33 18 Nov - 21 Nov
3741 16:59 18:33 6 Nov - 17 Nov
3748 16:59 18:29 3 Dec - 17 Dec
3757 16:59 18:33 27 Nov - 27 Nov
3757 16:59 18:33 28 Nov - 28 Nov
3762 16:59 18:33 25 Nov - 25 Nov
3762 16:59 18:33 26 Nov - 26 Nov
3770 16:59 18:33 24 Nov - 24 Nov
3770 16:59 18:33 9 Nov - 9 Nov
3770 16:59 18:33 16 Nov - 16 Nov
3770 16:59 18:33 23 Nov - 23 Nov
3804 16:59 18:33 2 Dec - 2 Dec
3804 16:59 18:29 4 Dec - 15 Dec
764 17:00 18:30 6 Dec - 13 Dec
764 17:15 18:49 8 Nov - 22 Nov
1648 22:04 23:36 8 Nov - 8 Nov
1648 22:04 23:36 15 Nov - 22 Nov
3731 22:04 23:35 29 Nov - 29 Nov
3731 22:04 23:35 2 Dec - 2 Dec
3738 22:04 23:35 30 Nov - 30 Nov
3803 22:04 23:35 7 Nov - 21 Nov
3803 22:04 23:35 11 Nov - 18 Nov
3803 22:04 23:35 19 Nov - 19 Nov
3803 22:04 23:35 3 Nov - 24 Nov
3803 22:04 23:35 20 Nov - 20 Nov
3803 22:04 23:35 23 Nov - 23 Nov
3803 22:04 23:35 25 Nov - 25 Nov
3803 22:04 23:35 26 Nov - 26 Nov
3803 22:04 23:35 2 Nov - 9 Nov
3803 22:04 23:35 12 Nov - 16 Nov
3731 22:09 23:40 1 Dec - 1 Dec
352 22:11 23:36 6 Dec - 13 Dec
3748 22:11 23:36 5 Dec - 5 Dec
3748 22:11 23:36 4 Dec - 11 Dec
3748 22:11 23:36 8 Dec - 15 Dec
3804 22:11 23:36 3 Dec - 3 Dec