To save up to 96% on this flight, we recommend booking at least 53 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to District of Columbia from $310 1-2 weeks out and tickets from $462 for flights departing within the next 72 hours.
January is one of the best times of the year to fly to District of Columbia from St. Louis. Prices for January average $278 per person but you can even find prices for as low as $108. The most expensive prices can be found in the month of June. Opting for a January flight can save you 21% on your journey compared to booking in June
When flying from St. Louis to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$158 - $314
Route
Depart
Return
Price
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
vie. 9/6
1 stop15h 09m
Washington, D.C. Reagan-National
lun. 9/9
1 stop23h 51m
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
vie. 9/6
1 stop15h 09m
Washington, D.C. Reagan-National
lun. 9/9
1 stop23h 51m
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
mié. 5/29
Nonstop1h 59m
Washington, D.C. Reagan-National
jue. 5/30
Nonstop2h 16m
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
mié. 5/29
Nonstop1h 59m
Washington, D.C. Reagan-National
lun. 6/3
Nonstop2h 15m
Lambert-St LouisWashington, D.C. Reagan-National
STL - DCA
STLDCA
Lambert-St Louis
mié. 5/29
1 stop6h 57m
Washington, D.C. Reagan-National
jue. 5/30
1 stop7h 16m
Lambert-St LouisWashington, D.C. Dulles Intl
STL - IAD
STLIAD
Lambert-St Louis
mié. 5/29
1 stop4h 25m
Washington, D.C. Dulles Intl
jue. 5/30
1 stop4h 46m
Lambert-St LouisWashington, D.C. Dulles Intl
STL - IAD
STLIAD
Lambert-St Louis
mar. 5/28
1 stop6h 16m
Washington, D.C. Dulles Intl
jue. 5/30
1 stop6h 43m
Lambert-St LouisWashington, D.C. Dulles Intl
STL - IAD
STLIAD
Lambert-St Louis
vie. 5/24
1 stop25h 17m
Washington, D.C. Dulles Intl
dom. 5/26
1 stop5h 55m
Lambert-St LouisWashington, D.C. Dulles Intl
STL - IAD
STLIAD
Lambert-St Louis
mar. 5/28
3 stops19h 45m
Washington, D.C. Dulles Intl
jue. 5/30
2 stops31h 44m
No data available for this route at this time. Please check back soon.
Food
Entertainment
Crew
Boarding
Comfort
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Food
Entertainment
Crew
Boarding
Comfort
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Food
Entertainment
Crew
Boarding
Comfort
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Food
Entertainment
Crew
Boarding
Comfort
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Food
Entertainment
Crew
Boarding
Comfort
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Food
Entertainment
Crew
Boarding
Comfort
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
11%of flight departures | Early morningMidnight to 6 am |
---|---|
55%of flight departures | Morning6 am to noon |
25%of flight departures | AfternoonNoon to 6 pm |
9%of flight departures | Evening6 pm to midnight |
When you search for this flight from St. Louis to District of Columbia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to District of Columbia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to District of Columbia flexibly with Cheapflights today.
Not ready to book yet? You can track prices for flights from St. Louis to District of Columbia on Cheapflights with our Price Alert feature and get notified when better prices are available.