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Cheap Flights from Washington to Boston (IAD - BOS)

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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 IAD to BOS (Found by others)

Sun Mon Tue Wed Thu Fri Sat
  1 $354 2 $429 3 $397 4 $354 5 $317 6 $249
7 $208 8 $223 9 $216 10 $223 11 $223 12 $208 13 $208
14 $158 15 $158 16 $133 17 $148 18 $158 19 $168 20 $148
21 $167 22 $118 23 $118 24 $118 25 $138 26 $168 27 $128
28 $148 29 $118 30 $118        
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Direct flights IAD to BOS on United
Flight # Depart IAD Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
1686 8:18 am 9:53 am Oct 5 - Oct 5
1686 8:24 am 9:59 am Sep 21 - Sep 28
1653 8:30 am 10:03 am Sep 17 - Sep 17
764 8:30 am 10:04 am Sep 20 - Oct 25
764 8:30 am 10:02 am Sep 18 - Sep 19
764 8:30 am 10:02 am Sep 7 - Sep 16
1070 12:20 pm 1:53 pm Sep 20 - Sep 20
1070 12:20 pm 1:53 pm Sep 27 - Oct 11
1255 12:23 pm 1:56 pm Sep 25 - Sep 25
1255 12:23 pm 1:56 pm Sep 22 - Sep 22
1294 12:23 pm 1:51 pm Sep 29 - Sep 29
1294 12:23 pm 1:56 pm Sep 23 - Sep 30
1294 12:23 pm 1:56 pm Sep 21 - Sep 21
1294 12:23 pm 1:56 pm Oct 8 - Oct 12
1294 12:23 pm 1:56 pm Oct 2 - Oct 14
1294 12:23 pm 1:56 pm Sep 28 - Oct 5
215 12:23 pm 1:55 pm Sep 24 - Sep 24
532 12:23 pm 1:55 pm Sep 26 - Sep 26
551 12:23 pm 1:55 pm Oct 1 - Oct 1
3457 12:34 pm 2:07 pm Sep 6 - Sep 13
3760 12:34 pm 2:05 pm Sep 7 - Sep 19
1077 4:55 pm 6:32 pm Oct 2 - Oct 2
1077 4:55 pm 6:32 pm Sep 20 - Oct 4
1210 4:55 pm 6:32 pm Sep 22 - Oct 13
1210 4:55 pm 6:32 pm Oct 3 - Oct 10
1294 4:55 pm 6:32 pm Sep 24 - Sep 24
1517 4:55 pm 6:32 pm Sep 23 - Oct 7
1517 4:55 pm 6:32 pm Sep 21 - Sep 28
1517 4:55 pm 6:32 pm Oct 9 - Oct 14
1517 4:55 pm 6:32 pm Oct 5 - Oct 5
1648 4:55 pm 6:32 pm Sep 26 - Sep 26
1648 4:55 pm 6:32 pm Sep 25 - Sep 25
399 4:55 pm 6:31 pm Oct 1 - Oct 8
1277 5:00 pm 6:33 pm Sep 10 - Sep 17
1648 5:00 pm 6:33 pm Sep 7 - Sep 14
1685 5:00 pm 6:33 pm Sep 6 - Sep 13
352 5:00 pm 6:32 pm Sep 8 - Sep 16
352 5:00 pm 6:32 pm Sep 18 - Sep 18
399 5:00 pm 6:32 pm Sep 11 - Sep 11
399 5:00 pm 6:32 pm Aug 29 - Sep 19
1648 10:04 pm 11:41 pm Sep 8 - Sep 15
1648 10:04 pm 11:41 pm Sep 9 - Sep 9
1648 10:04 pm 11:41 pm Sep 10 - Sep 17
1648 10:04 pm 11:41 pm Sep 18 - Sep 18
1648 10:04 pm 11:41 pm Sep 6 - Sep 13
352 10:04 pm 11:40 pm Sep 11 - Sep 11
352 10:04 pm 11:40 pm Sep 7 - Sep 19
1648 10:07 pm 11:44 pm Sep 16 - Sep 16
1046 10:08 pm 11:41 pm Sep 25 - Sep 25
1077 10:08 pm 11:41 pm Oct 7 - Oct 7
1077 10:08 pm 11:41 pm Sep 30 - Sep 30
1089 10:08 pm 11:41 pm Sep 26 - Sep 26
1121 10:08 pm 11:41 pm Oct 5 - Oct 5
1255 10:08 pm 11:41 pm Sep 28 - Sep 28
1255 10:08 pm 11:41 pm Sep 23 - Sep 23
1255 10:08 pm 11:41 pm Oct 3 - Oct 3
1277 10:08 pm 11:41 pm Sep 24 - Sep 24
1277 10:08 pm 11:41 pm Oct 1 - Oct 1
1277 10:08 pm 11:41 pm Oct 8 - Oct 8
1299 10:08 pm 11:41 pm Sep 29 - Sep 29
1455 10:08 pm 11:41 pm Sep 22 - Sep 22
1561 10:08 pm 11:41 pm Oct 6 - Oct 6
1569 10:08 pm 11:41 pm Oct 10 - Oct 10
1575 10:08 pm 11:41 pm Sep 21 - Sep 21
1575 10:08 pm 11:41 pm Oct 9 - Oct 9
1636 10:08 pm 11:41 pm Oct 2 - Oct 2
1685 10:08 pm 11:41 pm Sep 27 - Sep 27
352 10:08 pm 11:39 pm Oct 4 - Oct 4
352 10:08 pm 11:39 pm Sep 20 - Sep 20