Home >> Fares From A City >> St. Louis, MO >> St. Louis, MO (STL) To Washington, D.C., DC (IAD)
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HOW TO FIND THIS FARE
  • AIRLINES
    Southwest
  • ADVANCE PURCHASE REQUIRED
    14 DAYS BEFORE TRAVEL
  • DAYS AVAILABLE FOR TRAVEL
    Mon-Thur & Sat
  • TRAVEL STARTING
    Tue, August 25, 2015
  • TRAVEL ENDING
    Wed, December 16, 2015
Sam C.
Staff Airfare Analyst
Sam's Notes:
No min. stay. Fare can be bought one-way for half the lowest roundtrip price. No peak holiday travel at this price.

This is a fare from Southwest, please visit Southwest.com to find this fare. Other airlines often match Southwest sales, so search other sites to find the best option.

Seats are not available on all flights or all dates of travel. You may need to have flexible travel dates to find this fare. Fares for travel on holidays may be higher.

All mandatory taxes/fees are included in the price. Tax-inclusive fare may be a few dollars higher or lower depending on the airport you connect through, if any. Baggage fees, if applicable, and other optional fees are not included. Our Dealhounds found this airfare using flexible date search. This means we searched a range of dates to find you the best price.

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Reviews for St. Louis to Washington DC
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Found by other travelers: St. Louis, MO (STL) to Washington, D.C., DC (IAD)
$542
Flight from to Washington DC (STL - IAD)
Sat, Jun 21 - Tue, Jun 24
United
$352
Flight from to Washington DC (STL - IAD)
Thu, Jun 26 - Tue, Jul 1
United
$270
Flight from to Washington DC (STL - IAD)
Wed, Nov 19 - Sun, Nov 23
United
$479
Flight from to Washington DC (STL - IAD)
Thu, Jun 19 - Thu, Jun 26
US Airways
$353
Flight from to Washington DC (STL - IAD)
Thu, Jul 3 - Thu, Jul 3
United
$342
Flight from to Washington DC (STL - IAD)
Fri, Jun 27 - Tue, Jul 1
United
$342
Flight from to Washington DC (STL - IAD)
Thu, Jun 26 - Wed, Jul 2
United
$467
Flight from to Washington DC (STL - IAD)
Sun, Jul 6 - Wed, Jul 9
United
$275
Flight from to Washington DC (STL - IAD)
Thu, Dec 4 - Fri, Dec 5
Delta
$353
Flight from to Washington DC (STL - IAD)
Thu, Jul 3 - Sat, Jul 19
United
There are approximately 297 flights covering the route from Lambert-St. Louis International Airport in to Dulles International Airport in Washington DC, provided by as many as 8 airlines.
The following airlines often offer cheap flights from to Washington DC
AirTran
Continental
Southwest
United
American
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