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Cheap flights from District of Columbia to St. Louis from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to St. Louis departing on 4/16. 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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Find the cheapest flights from District of Columbia to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from District of Columbia to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from District of Columbia to St. Louis.

Cheap last minute flights

Planning a quick getaway from District of Columbia to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from District of Columbia to St. Louis

Find recent round-trip train or bus tickets from District of Columbia to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
6:05 pm - 11:31 pmIAD-STL
6h 26m1 stop
5:05 pm - 5:57 pmSTL-IAD
23h 52m1 stop
$120Frontier
Find Deal
Mon, Jan 27 - Wed, Jan 29
1:01 pm - 9:16 amDCA-STL
21h 15m1 stop
7:04 pm - 12:03 pmSTL-DCA
15h 59m1 stop
$123Frontier
Find Deal
Tue, Feb 11 - Sat, Feb 15
9:14 pm - 10:44 pmDCA-STL
2h 30mnonstop
6:04 am - 9:19 amSTL-DCA
2h 15mnonstop
$179American Airlines
Find Deal
Tue, Feb 18 - Wed, Feb 19
8:37 am - 10:24 amDCA-STL
2h 47mnonstop
6:04 am - 9:19 amSTL-DCA
2h 15mnonstop
$189American Airlines
Find Deal
Tue, Feb 11 - Sat, Feb 15
8:50 am - 10:24 amIAD-STL
2h 34mnonstop
8:25 am - 11:34 amSTL-IAD
2h 09mnonstop
$189United Airlines
Find Deal
Mon, Feb 10 - Sat, Feb 15
8:50 am - 10:24 amIAD-STL
2h 34mnonstop
3:32 pm - 9:09 pmSTL-IAD
4h 37m1 stop
$199United Airlines
Find Deal
Mon, Feb 10 - Sat, Feb 15
5:16 pm - 9:49 pmIAD-STL
5h 33m1 stop
6:43 am - 11:48 amSTL-IAD
4h 05m1 stop
$217Delta
Find Deal
Tue, Feb 18 - Wed, Feb 19
6:00 am - 12:28 pmDCA-STL
7h 28m1 stop
7:15 am - 12:49 pmSTL-DCA
4h 34m1 stop
$217Delta
Find Deal
Tue, Feb 18 - Wed, Feb 19
3:40 pm - 8:30 pmDCA-STL
5h 50m1 stop
3:40 pm - 6:40 pmSTL-DCA
2h 00mnonstop
$224Southwest
Find Deal
Thu, Feb 6 - Mon, Feb 10
12:15 pm - 1:40 pmDCA-STL
2h 25mnonstop
8:45 am - 11:40 amSTL-DCA
1h 55mnonstop
$253Southwest
Find Deal
Fri, Feb 14 - Mon, Feb 17
5:52 pm - 11:46 pmIAD-STL
6h 54m1 stop
$54Frontier
Find Deal
Wed, Apr 16
6:03 pm - 11:43 pmIAD-STL
6h 40m1 stop
$55Frontier
Find Deal
Sat, Feb 22
5:45 pm - 7:15 pmIAD-STL
2h 30mnonstop
$90United Airlines
Find Deal
Wed, Feb 19
4:27 pm - 6:00 pmDCA-STL
2h 33mnonstop
$90American Airlines
Find Deal
Sat, Feb 15
5:25 pm - 9:46 pmIAD-STL
5h 21m1 stop
$100United Airlines
Find Deal
Sat, Feb 15
6:00 am - 9:36 amIAD-STL
4h 36m1 stop
$109Delta
Find Deal
Tue, Feb 18
2:35 pm - 9:02 pmDCA-STL
7h 27m1 stop
$109Delta
Find Deal
Wed, Feb 12
8:58 pm - 10:22 pmDCA-STL
2h 24mnonstop
$115American Airlines
Find Deal
Wed, Mar 12
5:40 pm - 2:42 pmIAD-STL
22h 02m3 stops
Mon, Feb 24
5:40 pm - 4:42 pmIAD-STL
24h 02m3 stops
Mon, Mar 10
1:01 pm - 9:16 amDCA-STL
21h 15m1 stop
7:09 pm - 12:06 pmSTL-DCA
15h 57m1 stop
$299Frontier
Find Deal
Fri, Jan 17 - Mon, Jan 20
1:01 pm - 9:16 amDCA-STL
21h 15m1 stop
7:09 pm - 12:06 pmSTL-DCA
15h 57m1 stop
$324Frontier
Find Deal
Fri, Jan 17 - Mon, Jan 20
3:00 pm - 4:30 pmDCA-STL
2h 30mnonstop
7:15 pm - 10:05 pmSTL-DCA
1h 50mnonstop
$448Southwest
Find Deal
Thu, Jan 16 - Wed, Feb 26
6:10 am - 12:25 pmDCA-STL
7h 15m1 stop
7:15 pm - 10:05 pmSTL-DCA
1h 50mnonstop
$458Southwest
Find Deal
Thu, Jan 16 - Wed, Feb 26
5:35 pm - 7:09 pmIAD-STL
2h 34mnonstop
5:36 pm - 11:57 pmSTL-IAD
5h 21m1 stop
$479United Airlines
Find Deal
Thu, Jan 16 - Sun, Feb 23
2:54 pm - 8:09 pmDCA-STL
6h 15m1 stop
6:04 am - 9:19 amSTL-DCA
2h 15mnonstop
$479American Airlines
Find Deal
Thu, Jan 16 - Thu, Feb 27
6:00 am - 9:36 amIAD-STL
4h 36m1 stop
12:52 pm - 6:04 pmSTL-IAD
4h 12m1 stop
$489Delta
Find Deal
Thu, Jan 16 - Mon, Feb 24
9:00 am - 3:44 pmDCA-STL
7h 44m1 stop
12:52 pm - 6:22 pmSTL-DCA
4h 30m1 stop
$489Delta
Find Deal
Thu, Jan 16 - Mon, Feb 24
5:35 pm - 7:09 pmIAD-STL
2h 34mnonstop
1:03 pm - 7:01 pmSTL-IAD
4h 58m1 stop
$609United Airlines
Find Deal
Thu, Jan 16 - Wed, Feb 26
10:04 pm - 11:53 pmDCA-STL
2h 49mnonstop
6:00 am - 9:20 amSTL-DCA
2h 20mnonstop
$614American Airlines
Find Deal
Fri, Jan 17 - Tue, Jan 21
9:14 pm - 10:44 pmDCA-STL
2h 30mnonstop
6:04 am - 9:19 amSTL-DCA
2h 15mnonstop
$179American Airlines
Find Deal
Tue, Feb 18 - Wed, Feb 19
8:50 am - 10:24 amIAD-STL
2h 34mnonstop
8:25 am - 11:34 amSTL-IAD
2h 09mnonstop
$189United Airlines
Find Deal
Mon, Feb 10 - Sat, Feb 15
8:37 am - 10:24 amDCA-STL
2h 47mnonstop
6:04 am - 9:19 amSTL-DCA
2h 15mnonstop
$189American Airlines
Find Deal
Tue, Feb 11 - Sat, Feb 15
8:15 pm - 10:08 pmDCA-STL
2h 53mnonstop
10:54 am - 1:59 pmSTL-DCA
2h 05mnonstop
$199American Airlines
Find Deal
Mon, Feb 10 - Tue, Feb 11
8:50 am - 10:24 amIAD-STL
2h 34mnonstop
8:15 am - 11:33 amSTL-IAD
2h 18mnonstop
$199United Airlines
Find Deal
Mon, Feb 10 - Tue, Feb 11
9:14 pm - 10:44 pmDCA-STL
2h 30mnonstop
6:04 am - 9:19 amSTL-DCA
2h 15mnonstop
$203American Airlines
Find Deal
Thu, Feb 13 - Wed, Feb 19
8:35 am - 10:05 amIAD-STL
2h 30mnonstop
1:00 pm - 4:04 pmSTL-IAD
2h 04mnonstop
$204United Airlines
Find Deal
Sun, Feb 16 - Tue, Feb 18
12:00 pm - 1:25 pmDCA-STL
2h 25mnonstop
3:35 pm - 6:35 pmSTL-DCA
2h 00mnonstop
$224Southwest
Find Deal
Sat, Mar 1 - Sat, Mar 1
12:15 pm - 1:40 pmDCA-STL
2h 25mnonstop
8:45 am - 11:40 amSTL-DCA
1h 55mnonstop
$228Southwest
Find Deal
Thu, Feb 13 - Mon, Feb 17
12:15 pm - 1:40 pmDCA-STL
2h 25mnonstop
8:45 am - 11:40 amSTL-DCA
1h 55mnonstop
$238Southwest
Find Deal
Fri, Feb 14 - Mon, Feb 17

Frontier flights from District of Columbia to St. Louis

Our best Frontier deals on District of Columbia to St. Louis flight tickets
Frontier
Jan 27
IAD6:05 pmWashington, D.C. Dulles Intl
6h 26m
1 stop
STL11:31 pmLambert-St Louis
Jan 29
STL5:05 pmLambert-St Louis
23h 52m
1 stop
IAD5:57 pmWashington, D.C. Dulles Intl
Frontier
Feb 11
DCA1:01 pmWashington, D.C. Reagan-National
21h 15m
1 stop
STL9:16 amLambert-St Louis
Feb 15
STL7:04 pmLambert-St Louis
15h 59m
1 stop
DCA12:03 pmWashington, D.C. Reagan-National
Frontier
Feb 21
IAD6:03 pmWashington, D.C. Dulles Intl
6h 40m
1 stop
STL11:43 pmLambert-St Louis
Feb 24
STL5:20 pmLambert-St Louis
22h 35m
1 stop
IAD4:55 pmWashington, D.C. Dulles Intl

American Airlines flights from District of Columbia to St. Louis

Our best American Airlines deals on District of Columbia to St. Louis flight tickets
American Airlines
Feb 18
DCA9:14 pmWashington, D.C. Reagan-National
2h 30m
STL10:44 pmLambert-St Louis
Feb 19
STL6:04 amLambert-St Louis
2h 15m
DCA9:19 amWashington, D.C. Reagan-National
American Airlines
Feb 11
DCA8:37 amWashington, D.C. Reagan-National
2h 47m
STL10:24 amLambert-St Louis
Feb 15
STL6:04 amLambert-St Louis
2h 15m
DCA9:19 amWashington, D.C. Reagan-National
American Airlines
Feb 10
DCA8:15 pmWashington, D.C. Reagan-National
2h 53m
STL10:08 pmLambert-St Louis
Feb 11
STL10:54 amLambert-St Louis
2h 05m
DCA1:59 pmWashington, D.C. Reagan-National

See travel insights to St. Louis from

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

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 month to fly to St. Louis?

In general, August is the cheapest month to fly from District of Columbia to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $289. The month of April is another great option to travel to St. Louis, with average flight prices from District of Columbia averaging around $303.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $314. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $362. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from District of Columbia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $296 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $360 per ticket.

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

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

How far in advance should I book a flight to St. Louis?

The best time to book a flight to St. Louis from District of Columbia is 54 days out, which is when prices tend to be around $360. In the past 72 hours, momondo users found flights from District of Columbia to St. Louis for as low as $158.

What cabin class options are available on District of Columbia to Lambert-St Louis flights?

There are 4 cabin classes available to choose from on District of Columbia to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

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

Best Price Found

$54

Fastest flight time

2h 10m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from District of Columbia in the past 72 hours is $54. The best round-trip flight deal from District of Columbia to St. Louis found on momondo in the last 72 hours is $120.
The fastest flight from District of Columbia to St. Louis takes 2h 10m
Direct flights go from District of Columbia to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    Prices for flights from District of Columbia to Lambert-St Louis Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from District of Columbia to St. Louis?


Best airlines flying from District of Columbia to St. Louis

Compare and see reviews for airlines that fly from District of Columbia to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $98Free CancellationRating
6.0
3,431 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $133Free CancellationRating
6.3
8,089 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
8,961 reviews
Search United Airlines flights
DeltaPriceFrom $175Free CancellationRating
8.0
8,508 reviews
Search Delta flights
American AirlinesPriceFrom $183Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $222Free CancellationRating
8.1
4,659 reviews
Search Southwest flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Collinsville
Florissant
Maryland Heights
Hermann
Fairview Heights
O'Fallon
Fenton
Farmington
Alton
Wentzville
St. Peters
Eureka
Festus
Clayton
Edwardsville
Glencoe
Litchfield
Grafton

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to St. Louis. momondo saves you time and could save you money on your trip.

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

Yes. All flights to St. Louis from District of Columbia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from District of Columbia.

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

Of course. momondo tracks the price of District of Columbia to St. Louis 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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