Home >> Fares From A City >> St. Louis, MO >> St. Louis, MO (STL) To Washington, D.C., DC (IAD)
Sorry this deal is over or has been sold out.
But here's another great Airfarewatchdog
verified fare for this route!
Watch this route: get alerts when prices drop
Enter Your Email to Get Alerts.
Congratulations!
You'll now receive email alerts on fares from St. Louis, MO (STL) to Washington, D.C., DC (IAD).
HOW TO FIND THIS FARE
  • AIRLINES
    United
  • DAYS AVAILABLE FOR TRAVEL
    Mon-Thur & Sat
  • TRAVEL STARTING
    Tue, August 23, 2016
  • TRAVEL ENDING
    Wed, February 15, 2017
Sam C.
Staff Airfare Analyst
Sam's Notes:
Non-stop.
No min. stay. No peak holiday travel at this price. Late Summer/Fall/Winter travel.
Travel between late August and mid-December. Sunday, Sep. 4 may be available as well. Blackout dates apply: Sep. 2, 5; Nov. 22-23, & 26-28, 2016.


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.
More Details
Close Details
Reviews for St. Louis to Washington DC
0 Traveler Reviews
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
Your Travel Dates: to
We did the hard work!
We've analyzed hotels and found the best values.
See Our List!