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Cheap Flights From St. Louis, Missouri To Washington, D.C.
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Airfare Details for flights from St. Louis to Washington, D.C.

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Sorry this deal is over or has been sold out! But here’s another great Airfarewatchdog verified fare for this route!

$300 RT flight from St. Louis to Washington, D.C. (STL-IAD)

  • Airline(s):
    United
  • Seats are:
    Limited Availability
  • Advance Purchase:
    14 Days
  • Min. Stay:
    Required
  • Available for travel:
    Mon-Thu & Sat
  • Travel by:
    Wednesday, December 18, 2013
  • More Details:
    Fall Travel, Nonstop Incl. Tax, Travel Between Aug. 26 - Dec. 18, 2013
  • Last Updated:
    Thursday, May 23, 2013
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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Check out these top-rated hotels in Washington DC
As rated by TripAdvisor® travelers
Topaz, a Kimpton Hotel
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"Central, Clean, Convenient" 05/16/2013
"Pleasant January stay" 05/15/2013
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Embassy Suites Chevy Chase Pavilion
Embassy Suites Chevy Chase Pavilion's Image
Show the lowest price for this hotel*
*from our partners
"Best we have found in the DC area" 05/21/2013
"Embassy Suites Chevy Chase Pavillion" 05/20/2013
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Four Seasons Washington D.C.
Four Seasons Washington D.C.'s Image
Show the lowest price for this hotel*
*from our partners
"One of the best ever" 05/22/2013
"Fabulous Hotel in a great location" 05/22/2013
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More Flights From St. Louis To Washington, D.C. (STL-IAD)

Price
Details
$322 RT Includes all taxes. No min. stay. Fare can be bought one-way for half t... (Southwest) See all details »
  • Airline(s):
    Southwest
  • Seats are:
    Limited Availability
  • Available for travel:
    Exc Fri/Sun
  • Travel by:
    Wednesday, December 18, 2013
  • More Details:
    Includes All Taxes, No Min. Stay, Fare Can Be Bought One-way For Half The Lowest Roundtrip Price, Travel Between Aug. 26 - Dec. 18, 2013
  • Last Updated:
    Tuesday, May 21, 2013
  • Our Notes:
    Blackout Dates Apply: Nov. 26 - Dec. 3.Fare Available On Southwest.com
Reviews

Reviews for St. Louis to Washington, D.C. (STL-IAD)

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Sample Fares found by other travelers within the past 72 hours
Price From/To Depart/Return Airline
$407 Flight from St. Louis to Dulles (STL-IAD) Mon, May 27 - Fri, May 31 US Airways
$407 Flight from St. Louis to Dulles (STL-IAD) Tue, May 28 - Wed, May 29 US Airways
$407 Flight from St. Louis to Dulles (STL-IAD) Sat, May 25 - Tue, May 28 US Airways
$469 Flight from St. Louis to Dulles (STL-IAD) Fri, May 31 - Sun, Jun 2 US Airways
$501 Flight from St. Louis to Dulles (STL-IAD) Tue, May 28 - Fri, May 31 US Airways
$501 Flight from St. Louis to Dulles (STL-IAD) Mon, May 27 - Fri, May 31 US Airways
$501 Flight from St. Louis to Dulles (STL-IAD) Sat, May 25 - Tue, May 28 US Airways
$549 Flight from St. Louis to Dulles (STL-IAD) Thu, May 23 - Sat, Jun 1 United Airlines
$560 Flight from St. Louis to Dulles (STL-IAD) Fri, May 24 - Tue, May 28 United Airlines
$692 Flight from St. Louis to Dulles (STL-IAD) Thu, May 23 - Thu, May 23 United Airlines
There are approximately 297 flights covering the route from Lambert-St. Louis International Airport in St. Louis to Dulles International Airport in Washington, D.C., provided by as many as 8 airlines.

The following airlines sometimes offer nonstop cheap flights from St. Louis to Washington, D.C.:

Transwest Air

As an alternative to flying from St. Louis, you may also want to try searching for cheap flights from Columbia (COU).
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