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Cheap flights from St. Louis to District of Columbia from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to District of Columbia departing on 5/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Easily compare round-trip flights from St. Louis to District of Columbia

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to District of Columbia by changing tabs
American Airlines
May 28
STL5:04 pmLambert-St Louis
1h 56m
DCA8:00 pmWashington, D.C. Reagan-National
Jun 4
DCA2:19 pmWashington, D.C. Reagan-National
2h 16m
STL3:35 pmLambert-St Louis
Delta
Jul 1
STL6:00 amLambert-St Louis
6h 21m
1 stop
DCA1:21 pmWashington, D.C. Reagan-National
Jul 5
DCA2:45 pmWashington, D.C. Reagan-National
6h 44m
1 stop
STL8:29 pmLambert-St Louis
Frontier
May 29
STL8:04 pmLambert-St Louis
14h 59m
1 stop
DCA12:03 pmWashington, D.C. Reagan-National
Jun 5
DCA6:59 pmWashington, D.C. Reagan-National
20h 33m
1 stop
STL2:32 pmLambert-St Louis
United Airlines
May 25
STL5:31 pmLambert-St Louis
6h 16m
1 stop
IAD12:47 amWashington, D.C. Dulles Intl
May 26
IAD8:20 amWashington, D.C. Dulles Intl
2h 12m
STL9:32 amLambert-St Louis
Sun Country Air
May 19
STL8:15 amLambert-St Louis
5h 12m
1 stop
IAD2:27 pmWashington, D.C. Dulles Intl
May 26
IAD12:30 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
STL5:25 pmLambert-St Louis
Multiple Airlines
May 19
STL8:15 amLambert-St Louis
5h 12m
1 stop
IAD2:27 pmWashington, D.C. Dulles Intl
May 20
IAD1:00 pmWashington, D.C. Dulles Intl
21h 39m
3 stops
STL9:39 amLambert-St Louis

Find the cheapest one-way flights from St. Louis to District of Columbia

If you're looking for one-way flights from St. Louis to District of Columbia, view some of our deals below provided by American Airlines, Delta and United Airlines
American Airlines
May 21
STL5:04 pmLambert-St Louis
1h 56m
DCA8:00 pmWashington, D.C. Reagan-National
Delta
May 21
STL10:45 amLambert-St Louis
6h 39m
1 stop
DCA6:24 pmWashington, D.C. Reagan-National
United Airlines
Oct 5
STL5:34 pmLambert-St Louis
4h 09m
1 stop
DCA10:43 pmWashington, D.C. Reagan-National

Search last-minute flights to District of Columbia from St. Louis

Find and compare round-trip flight prices for your last-minute flight from St. Louis to District of Columbia
Frontier
May 6
STL8:04 pmLambert-St Louis
14h 56m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
May 15
DCA6:51 pmWashington, D.C. Reagan-National
28h 15m
1 stop
STL10:06 pmLambert-St Louis
American Airlines
May 8
STL9:45 amLambert-St Louis
2h 10m
DCA12:55 pmWashington, D.C. Reagan-National
May 31
DCA7:50 amWashington, D.C. Reagan-National
5h 03m
1 stop
STL11:53 amLambert-St Louis
United Airlines
May 7
STL8:27 amLambert-St Louis
2h 10m
IAD11:37 amWashington, D.C. Dulles Intl
May 14
IAD8:32 amWashington, D.C. Dulles Intl
2h 27m
STL9:59 amLambert-St Louis
Multiple Airlines
May 9
STL12:00 pmLambert-St Louis
23h 47m
3 stops
IAD12:47 pmWashington, D.C. Dulles Intl
May 13
IAD1:00 pmWashington, D.C. Dulles Intl
21h 39m
3 stops
STL9:39 amLambert-St Louis
Frontier
May 8
STL8:04 pmLambert-St Louis
14h 56m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
May 11
DCA12:50 pmWashington, D.C. Reagan-National
26h 39m
1 stop
STL2:29 pmLambert-St Louis
Delta
May 9
STL9:59 amLambert-St Louis
5h 26m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
May 12
IAD9:40 amWashington, D.C. Dulles Intl
4h 28m
1 stop
STL1:08 pmLambert-St Louis

Best airlines flying from St. Louis to District of Columbia

Compare and see reviews for airlines that fly from St. Louis to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $101Free CancellationRating
6.2
4,123 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $140Free CancellationRating
6.4
8,745 reviews
Search Spirit Airlines flights
DeltaPriceFrom $167Free CancellationRating
8.0
10,913 reviews
Search Delta flights
American AirlinesPriceFrom $191Free CancellationRating
7.3
14,834 reviews
Search American Airlines flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
11,202 reviews
Search United Airlines flights

Delta flights from St. Louis to District of Columbia

Our best Delta deals on St. Louis to District of Columbia flight tickets
Delta
Jul 1
STL5:25 pmLambert-St Louis
5h 34m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
Jul 5
IAD6:00 amWashington, D.C. Dulles Intl
4h 10m
1 stop
STL9:10 amLambert-St Louis
Delta
Jun 19
STL11:25 amLambert-St Louis
3h 59m
1 stop
DCA4:24 pmWashington, D.C. Reagan-National
Jul 2
DCA6:00 amWashington, D.C. Reagan-National
4h 10m
1 stop
STL9:10 amLambert-St Louis
Delta
Jun 27
STL5:25 pmLambert-St Louis
5h 34m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
Jul 1
IAD6:00 amWashington, D.C. Dulles Intl
4h 10m
1 stop
STL9:10 amLambert-St Louis

Sun Country Air flights from St. Louis to District of Columbia

Our best Sun Country Air deals on St. Louis to District of Columbia flight tickets
Sun Country Air
May 19
STL8:15 amLambert-St Louis
5h 12m
1 stop
IAD2:27 pmWashington, D.C. Dulles Intl
May 26
IAD12:30 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
STL5:25 pmLambert-St Louis
Sun Country Air
Jun 16
STL6:30 amLambert-St Louis
5h 23m
1 stop
IAD12:53 pmWashington, D.C. Dulles Intl
Jun 18
IAD6:10 pmWashington, D.C. Dulles Intl
27h 56m
1 stop
STL9:06 pmLambert-St Louis
Sun Country Air
May 19
STL8:15 amLambert-St Louis
5h 12m
1 stop
IAD2:27 pmWashington, D.C. Dulles Intl
May 26
IAD12:30 pmWashington, D.C. Dulles Intl
5h 55m
1 stop
STL5:25 pmLambert-St Louis

How to get the cheapest flight ticket from St. Louis to District of Columbia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies to District of Columbia from St. Louis?

Frontier. American Airlines, Delta, and Frontier are the most popular carriers operating from St. Louis to District of Columbia

What is the cheapest St. Louis to District of Columbia flight route?

Lambert-St Louis - Washington, D.C. Reagan-National. Fly from Lambert-St Louis to Washington, D.C. Reagan-National for the best St. Louis - District of Columbia flight prices

Can stopping save me money on St. Louis to District of Columbia flights?

You could potentially save up to 3% on your flight if you consider stops on a St. Louis to District of Columbia flight.

Cheap St. Louis to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to District of Columbia

Best Price Found

$80

Fastest flight time

1h 56m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from St. Louis in the past 72 hours is $80. The best round-trip flight deal from St. Louis to District of Columbia found on momondo in the last 72 hours is $159.
The fastest flight from St. Louis to District of Columbia takes 1h 56m
Direct flights go from St. Louis to District of Columbia every day.
There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)

  • When did momondo last update prices for flights from Lambert-St Louis Airport to District of Columbia?

    Prices for flights from Lambert-St Louis Airport to District of Columbia refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to District of Columbia?

  • How old do you have to be to fly from Lambert-St Louis Airport to District of Columbia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents you'll need for your trip to District of Columbia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to District of Columbia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to District of Columbia with flexible booking policies on momondo?

Flights from St. Louis to District of Columbia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to District of Columbia?

momondo provides multiple filters to help you find the best flight to District of Columbia from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to District of Columbia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to District of Columbia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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