How long is the flight from St. Louis to District of Columbia?

There are many flights that can get you from St. Louis to District of Columbia in 2h 12m. Fly via Frontier, Delta, or American Airlines to get the fastest option. There are 717 mi between St. Louis and District of Columbia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from St. Louis to District of Columbia one-way?

The cheapest airlines for a one-way flight from St. Louis to District of Columbia are American Airlines ($66), Southwest ($84), and United Airlines ($93).

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from St. Louis to District of Columbia?

Looking for the cheapest flight from St. Louis to District of Columbia? While on average our users pay $638, our data indicates the cheapest price to be $153. The most popular route (Lambert-St Louis - Washington, D.C. Dulles Intl), is priced around $197.

What are the most reliable airlines from St. Louis to District of Columbia?

Consider Avianca (84%), Copa Airlines (84%) or Lufthansa (79%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to District of Columbia.

What are the most popular airlines that fly from St. Louis to District of Columbia?

When booking a flight from St. Louis to District of Columbia, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

How far in advance should I book a flight from St. Louis to District of Columbia?

To save up to 233% on this flight, we recommend booking at least 52 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 $435 1-2 weeks out and tickets from $584 for flights departing within the next 72 hours.

What is the cheapest month to fly from St. Louis to District of Columbia?

August is one of the best times of the year to fly to District of Columbia from St. Louis. Prices for August average $301 per person but you can even find prices for as low as $112. The most expensive prices can be found in the month of March. Opting for a August flight can save you 26% on your journey compared to booking in March

What airport do you fly from for flights from St. Louis to District of Columbia?

If you book a flight to District of Columbia from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

Can I find deals for flights from St. Louis to District of Columbia that include hotel bookings?

Yes. In addition to deals on St. Louis to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to District of Columbia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to District of Columbia.

Can I find deals for business class flights from St. Louis to District of Columbia?

Yes. Cheapflights offers flight deals from St. Louis to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$65+ Cheap Flights from St. Louis to District of Columbia

Q: How much does it cost to fly round-trip from St. Louis to District of Columbia?

Airfare is below average for this route at the moment. St. Louis to District of Columbia flights typically cost between $275 and $576 in October. The cheapest round-trip price found within the last 3 days was $186 on Frontier (Oct 10-Oct 11).

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Find cheap flights from St. Louis to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheap flight deals from St. Louis to District of Columbia

Round-trip from	$186 (Frontier)
One-way from	$65 (American Airlines)
Popular in	March
Cheapest in	August
Average price	$341
Good round-trip deal	$265 or less
Good one-way deal	$161 or less

From Lambert-St Louis to District of Columbia

Search Deals

One-way flight from Lambert-St Louis to District of Columbia

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($26 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from Lambert-St Louis to District of Columbia.

Search Deals

Price to beat on a one-way flight from Lambert-St Louis to District of Columbia.

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Find flight deals from St. Louis to District of Columbia

Cheapest flights from St. Louis to District of Columbia
Explore the most affordable flight options available from St. Louis to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Fri 10/1011:32 amSTL - IAD

1 stop10h 57mFrontier

Sat 10/114:22 pmIAD - STL

2 stops18h 00mFrontier

Deal found 9/13

$186

Tue 11/117:45 pmSTL - DCA

1 stop15h 16mFrontier

Sat 11/156:00 pmDCA - STL

1 stop16h 07mFrontier

Deal found 9/14

$188

Fri 12/56:26 pmSTL - IAD

1 stop4h 53mFrontier

Sun 12/76:00 amIAD - STL

1 stop12h 31mFrontier

Deal found 9/13

$189

Tue 11/117:45 pmSTL - DCA

1 stop15h 16mFrontier

Thu 11/136:00 pmDCA - STL

1 stop16h 07mFrontier

Deal found 9/12

$190

Fri 11/147:45 pmSTL - DCA

1 stop15h 16mFrontier

Tue 11/186:00 pmDCA - STL

1 stop16h 07mFrontier

Deal found 9/13

$192

Thu 11/1311:07 amSTL - IAD

1 stop4h 27mFrontier

Fri 11/146:00 amIAD - STL

1 stop11h 01mFrontier

Deal found 9/12

$192

Wed 11/127:45 pmSTL - DCA

1 stop15h 19mFrontier

Thu 11/136:00 pmDCA - STL

1 stop16h 07mFrontier

Deal found 9/12

$193

Fri 9/267:55 pmSTL - DCA

1 stop25h 04mFrontier

Mon 9/291:00 pmDCA - STL

1 stop21h 06mFrontier

Deal found 9/15

$196

Mon 11/106:09 pmSTL - DCA

1 stop3h 55mDelta

Wed 11/198:59 amDCA - STL

1 stop5h 01mDelta

Deal found 9/12

$197

Mon 11/106:09 pmSTL - IAD

1 stop3h 54mDelta

Tue 11/1812:36 pmIAD - STL

1 stop4h 31mDelta

Deal found 9/12

$197

Mon 9/294:00 pmSTL - IAD

1 stop7h 15mFrontier

Sat 10/47:14 pmIAD - STL

1 stop18h 48mFrontier

Deal found 9/13

$199

Fri 9/191:57 pmSTL - IAD

1 stop27h 27mFrontier

Mon 9/226:10 amIAD - STL

1 stop9h 54mFrontier

Deal found 9/13

$200

Best flights from St. Louis to District of Columbia
Discover carefully curated flight deals from St. Louis to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Wed 11/127:45 pmSTL - DCA

1 stop15h 19mFrontier

Mon 11/176:00 pmDCA - STL

1 stop16h 07mFrontier

Deal found 9/12

$193

Tue 11/117:05 amSTL - DCA

1 stop4h 36mDelta

Wed 11/196:06 amDCA - STL

1 stop4h 40mDelta

Deal found 9/12

$197

Sat 11/88:43 amSTL - DCA

Nonstop2h 12mAmerican Airlines

Tue 11/117:50 amDCA - STL

Nonstop2h 30mAmerican Airlines

Deal found 9/14

$197

Sun 10/58:05 amSTL - IAD

Nonstop2h 10mUnited Airlines

Sun 10/126:30 amIAD - STL

1 stop5h 19mUnited Airlines

Deal found 9/12

$212

Fri 10/103:25 pmSTL - DCA

1 stop6h 00mSouthwest

Sat 10/1112:30 pmDCA - STL

1 stop9h 30mSouthwest

Deal found 9/12

$247

Mon 11/106:09 pmSTL - DCA

1 stop3h 55mDelta

Sun 11/166:06 amDCA - STL

1 stop4h 40mDelta

Deal found 9/12

$197

Mon 11/106:09 pmSTL - DCA

1 stop3h 55mDelta

Sat 11/158:00 amDCA - STL

1 stop5h 26mDelta

Deal found 9/12

$197

Wed 11/128:25 amSTL - IAD

Nonstop2h 08mUnited Airlines

Mon 11/175:33 pmIAD - STL

1 stop7h 11mUnited Airlines

Deal found 9/12

$229

Tue 10/146:14 pmSTL - DCA

1 stop3h 45mDelta

Wed 10/158:59 amDCA - STL

1 stop4h 36mDelta

Deal found 9/14

$197

Sat 10/117:52 pmSTL - DCA

1 stop15h 12mFrontier

Thu 10/161:00 pmDCA - STL

1 stop21h 07mFrontier

Deal found 9/14

$250

Wed 11/128:25 amSTL - IAD

Nonstop2h 08mUnited Airlines

Fri 11/145:33 pmIAD - STL

1 stop7h 11mUnited Airlines

Deal found 9/12

$229

Fri 11/146:09 pmSTL - DCA

1 stop3h 55mDelta

Wed 11/198:59 amDCA - STL

1 stop5h 01mDelta

Deal found 9/12

$197

Last-minute flights from St. Louis to District of Columbia
Discover last-minute flight deals from St. Louis to District of Columbia. Data last updated September 15, 2025 and is based on user searches.

Thu 9/184:00 pmSTL - IAD

1 stop7h 15mFrontier

Mon 9/226:10 amIAD - STL

1 stop9h 54mFrontier

Deal found 9/13

$202

Fri 9/191:57 pmSTL - IAD

1 stop27h 27mFrontier

Sun 9/216:10 amIAD - STL

1 stop9h 54mFrontier

Deal found 9/13

$200

Thu 9/2510:49 amSTL - IAD

2 stops12h 26mFrontier

Mon 9/296:10 amIAD - STL

1 stop9h 54mFrontier

Deal found 9/13

$204

Fri 9/267:55 pmSTL - DCA

1 stop25h 04mFrontier

Mon 9/291:00 pmDCA - STL

1 stop21h 06mFrontier

Deal found 9/15

$196

Sun 9/287:55 pmSTL - DCA

1 stop15h 15mFrontier

Tue 9/306:00 pmDCA - STL

1 stop16h 06mFrontier

Deal found 9/14

$203

Mon 9/294:00 pmSTL - IAD

1 stop7h 15mFrontier

Sat 10/47:14 pmIAD - STL

1 stop18h 48mFrontier

Deal found 9/13

$199

Fri 10/1011:32 amSTL - IAD

1 stop10h 57mFrontier

Sat 10/114:22 pmIAD - STL

2 stops18h 00mFrontier

Deal found 9/13

$186

Sat 10/114:25 pmSTL - DCA

1 stop6h 34mAmerican Airlines

Tue 10/142:50 pmDCA - STL

Nonstop2h 20mAmerican Airlines

Deal found 9/14

$207

Tue 10/146:14 pmSTL - DCA

1 stop3h 45mDelta

Wed 10/158:59 amDCA - STL

1 stop4h 36mDelta

Deal found 9/14

$197

Tue 10/146:14 pmSTL - IAD

1 stop3h 46mDelta

Wed 10/156:05 amIAD - STL

1 stop4h 32mDelta

Deal found 9/14

$197

Tue 10/141:28 pmSTL - DCA

Nonstop2h 07mAmerican Airlines

Wed 10/156:09 amDCA - STL

1 stop4h 29mAmerican Airlines

Deal found 9/14

$204

Fri 10/177:52 pmSTL - DCA

1 stop20h 07mFrontier

Mon 10/206:31 pmDCA - STL

1 stop15h 36mFrontier

Deal found 9/15

$206

One-way flights from St. Louis to District of Columbia
Search for one-way flight options from St. Louis to District of Columbia. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Sun 1/1810:40 amSTL - DCA

Nonstop2h 05mAmerican Airlines

Deal found 9/14

$65

Tue 10/146:00 amSTL - DCA

Nonstop2h 10mAmerican Airlines

Deal found 9/14

$66

Thu 10/3011:07 amSTL - IAD

1 stop4h 27mFrontier

Deal found 9/13

$72

Fri 10/176:05 pmSTL - IAD

1 stop25h 48mFrontier

Deal found 9/13

$78

Sun 9/214:00 pmSTL - IAD

1 stop7h 15mFrontier

Deal found 9/14

$83

Thu 10/2311:32 amSTL - IAD

1 stop10h 57mFrontier

Deal found 9/13

$89

Thu 11/611:07 amSTL - IAD

1 stop12h 04mFrontier

Deal found 9/13

$91

Tue 10/145:28 pmSTL - IAD

1 stop5h 53mUnited Airlines

Deal found 9/12

$93

Sat 11/15:15 pmSTL - DCA

1 stop5h 26mDelta

Deal found 9/15

$99

Sat 11/11:30 pmSTL - IAD

1 stop4h 54mDelta

Deal found 9/15

$99

Thu 11/1311:07 amSTL - IAD

1 stop4h 27mFrontier

Deal found 9/14

$100

Wed 10/156:08 pmSTL - DCA

Nonstop2h 02mAmerican Airlines

Deal found 9/14

$101

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Wed 11/12

7:45 pm-12:04 pm

1 stop15h 19m

Washington, D.C. Reagan-National

Mon 11/17

6:00 pm-9:07 am

1 stop16h 07m

$193

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Tue 11/11

7:05 am-12:41 pm

1 stop4h 36m

Washington, D.C. Reagan-National

Wed 11/19

6:06 am-9:46 am

1 stop4h 40m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Sat 11/8

8:43 am-11:55 am

Nonstop2h 12m

Washington, D.C. Reagan-National

Tue 11/11

7:50 am-9:20 am

Nonstop2h 30m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Mon 11/10

6:09 pm-11:04 pm

1 stop3h 55m

Washington, D.C. Reagan-National

Sun 11/16

6:06 am-9:46 am

1 stop4h 40m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Mon 11/10

6:09 pm-11:04 pm

1 stop3h 55m

Washington, D.C. Reagan-National

Sat 11/15

8:00 am-12:26 pm

1 stop5h 26m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Tue 10/14

6:14 pm-10:59 pm

1 stop3h 45m

Washington, D.C. Reagan-National

Wed 10/15

8:59 am-12:35 pm

1 stop4h 36m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Fri 11/14

6:09 pm-11:04 pm

1 stop3h 55m

Washington, D.C. Reagan-National

Wed 11/19

8:59 am-1:00 pm

1 stop5h 01m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Fri 10/31

5:15 pm-11:41 pm

1 stop5h 26m

Washington, D.C. Reagan-National

Sun 11/2

7:00 am-10:31 am

1 stop4h 31m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

Thu 11/6

6:00 am-12:45 pm

1 stop5h 45m

Washington, D.C. Reagan-National

Mon 11/10

6:18 pm-11:40 pm

1 stop6h 22m

$197

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

Sat 11/15

11:44 am-5:02 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Mon 11/17

7:21 pm-11:40 pm

1 stop5h 19m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 46 results

...

Best time to book a flight from St. Louis to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to District of Columbia

What is the cheapest month to book a flight from St. Louis to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from St. Louis to District of Columbia (average of $292). Flying from St. Louis to District of Columbia in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to DC?

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.

Weekly flight availability from St. Louis to District of Columbia

The most flights from STL to USDC are scheduled on a Monday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from St. Louis to District of Columbia?

Reviews of airlines servicing District of Columbia

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from St. Louis to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,242 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

8.0

Very good

7,954 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,929 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Frontier

5.8

Fair

3,172 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

What airport do you fly from for flights from St. Louis to District of Columbia?
If you book a flight to District of Columbia from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.
How long is the flight from St. Louis to District of Columbia?
There are many flights that can get you from St. Louis to District of Columbia in 2h 12m. Fly via Frontier, Delta, or American Airlines to get the fastest option. There are 717 mi between St. Louis and District of Columbia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from St. Louis to District of Columbia one-way?
The cheapest airlines for a one-way flight from St. Louis to District of Columbia are American Airlines ($66), Southwest ($84), and United Airlines ($93).
What are the most reliable airlines from St. Louis to District of Columbia?
Consider Avianca (84%), Copa Airlines (84%) or Lufthansa (79%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to District of Columbia.
What are the cheapest flights from St. Louis to District of Columbia?
Looking for the cheapest flight from St. Louis to District of Columbia? While on average our users pay $638, our data indicates the cheapest price to be $153. The most popular route (Lambert-St Louis - Washington, D.C. Dulles Intl), is priced around $197.
Can I find deals for flights from St. Louis to District of Columbia that include hotel bookings?
Yes. In addition to deals on St. Louis to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to District of Columbia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to District of Columbia.
Can I find deals for business class flights from St. Louis to District of Columbia?
Yes. Cheapflights offers flight deals from St. Louis to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to District of Columbia?
Currently, August is the cheapest month in which you can book a flight from St. Louis to District of Columbia (average of $292). Flying from St. Louis to District of Columbia in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from St. Louis to District of Columbia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$124	Average$218	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$129	Average$328	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$168	Average$278	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$193	Average$334	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$211	Average$445	FlexibilityNo cancel fee	On-time69%

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$65+ Cheap flights from St. Louis (STL) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to District of Columbia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to District of Columbia

Keep the following information in mind while searching for St. Louis to District of Columbia flight deals. Data was last updated September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from St. Louis to District of Columbia

Cheapest flights from St. Louis to District of ColumbiaExplore the most affordable flight options available from St. Louis to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from St. Louis to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to District of Columbia that are best for you.

Best time to book a flight from St. Louis to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to District of Columbia

What is the cheapest month to book a flight from St. Louis to District of Columbia?

What is the cheapest time of day to fly from STL to DC?

Find hourly flight availability from St. Louis to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Weekly flight availability from St. Louis to District of Columbia

How much does it cost to fly round-trip from St. Louis to District of Columbia?

Reviews of airlines servicing District of Columbia

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from St. Louis to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to District of Columbia?

How long is the flight from St. Louis to District of Columbia?

What are the cheapest airlines to fly from St. Louis to District of Columbia one-way?

What are the most reliable airlines from St. Louis to District of Columbia?

What are the cheapest flights from St. Louis to District of Columbia?

Can I find deals for flights from St. Louis to District of Columbia that include hotel bookings?

How can I find direct flights from St. Louis to District of Columbia?

Can I find deals for business class flights from St. Louis to District of Columbia?

What is the cheapest month to book a flight from St. Louis to District of Columbia?

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Alternative routes for St. Louis to District of Columbia

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Top 5 airlines flying from St. Louis to District of Columbia

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Cheapest flights from St. Louis to District of Columbia
Explore the most affordable flight options available from St. Louis to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.