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Cheap Flights from Washington to St Louis (IAD - STL)

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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 STL (Found by others)

Sun Mon Tue Wed Thu Fri Sat
      1 $306 2 $125 3 $219 4 $105
5 $306 6 $284 7 $125 8 $202 9 $145 10 $367 11 $115
12 $286 13 $284 14 $155 15 $284 16 $145 17 $299 18 $105
19 $344 20 $291 21
$291
22
$291
23 $207 24 $311 25 $115
26 $280 27
$280
28 $105 29 $202 30 $125 31 $286  
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Direct flights IAD to STL on United
Flight # Depart IAD Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
3420 8:16 am 9:28 am Sep 20 - Oct 25
3420 8:16 am 9:28 am Oct 21 - Oct 21
3420 8:16 am 9:28 am Sep 23 - Oct 14
3420 8:16 am 9:28 am Sep 21 - Oct 19
3357 12:21 pm 1:33 pm Oct 19 - Oct 19
3357 12:21 pm 1:33 pm Sep 28 - Oct 5
3357 12:21 pm 1:33 pm Sep 20 - Oct 25
3357 12:21 pm 1:33 pm Oct 12 - Oct 12
3730 12:21 pm 1:29 pm Sep 23 - Oct 21
3730 12:21 pm 1:29 pm Sep 22 - Oct 17
3730 12:21 pm 1:29 pm Oct 20 - Oct 24
3434 4:56 pm 6:08 pm Sep 21 - Oct 13
3434 4:56 pm 6:08 pm Sep 20 - Oct 11
3434 4:56 pm 6:08 pm Oct 15 - Oct 24
3434 4:56 pm 6:08 pm Sep 23 - Oct 14
3434 4:56 pm 6:08 pm Oct 18 - Oct 25
3434 4:56 pm 6:08 pm Oct 21 - Oct 21
3427 9:50 pm 10:56 pm Oct 24 - Oct 25
3427 9:50 pm 10:56 pm Oct 23 - Oct 23
3427 9:50 pm 10:56 pm Sep 23 - Oct 21
3427 9:50 pm 10:56 pm Sep 22 - Oct 22