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Cheap flights from St. Louis (STL) to Reagan-National (DCA) from $94

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 5/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — DCA
May 11 — May 181
From?
To?
Sat 5/11
Sat 5/18
1 adult, Economy
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The best prices from Lambert-St Louis to Washington, D.C. Reagan-National are usually found in February or April, booked 68 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap flight deals from St. Louis to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 6, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$234

One-way from

$114
High demand for flights, 13% potential price rise
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Best time to find cheap flights, 16% potential price drop
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From Lambert-St Louis to Washington, D.C. Reagan-National
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One-way flight from Lambert-St Louis to Washington, D.C. Reagan-National
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What is the cheapest day to fly round-trip from St. Louis to Washington, D.C. Reagan-National Airport?

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 58% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from St. Louis to Washington, D.C. Reagan-National Airport?

Travelers have found it’s best to book a flight 53 days in advance to save up to 96% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Washington, D.C. Reagan-National Airport 1-2 weeks in advance for as low as $310, or $462 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Washington, D.C. Reagan-National Airport?

January can be a great time to fly to Washington, D.C. Reagan-National Airport from St. Louis with a flight ticket averaging about $278. Cheapflights users have found deals in the month of January for as cheap as $108. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from St. Louis to Washington, D.C. Reagan-National Airport (STL - DCA)?

It’s optimal to fly from St. Louis to Washington, D.C. Reagan-National Airport in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

Cheap Frontier flights from St. Louis to Reagan-National

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and Reagan-National. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Find some of the cheapest Frontier flights traveling from St. Louis to Washington, D.C.. Deals update often to give you more flight options matching your criteria
Fri 9/68:00 pmSTL - DCA
1 stop15h 09mFrontier
Mon 9/912:59 pmDCA - STL
1 stop23h 51mFrontier
Deal found 5/5$153
Fri 9/68:00 pmSTL - DCA
1 stop15h 09mFrontier
Mon 9/912:59 pmDCA - STL
1 stop23h 51mFrontier
Deal found 5/5$155
Thu 5/2311:06 pmSTL - DCA
1 stop21h 53mFrontier
Sun 5/266:58 pmDCA - STL
1 stop15h 38mFrontier
Deal found 5/5$172
Fri 8/168:00 pmSTL - DCA
1 stop15h 09mFrontier
Tue 8/2012:59 pmDCA - STL
1 stop21h 38mFrontier
Deal found 5/5$173
Thu 5/2311:06 pmSTL - DCA
1 stop21h 53mFrontier
Fri 5/316:57 pmDCA - STL
1 stop15h 28mFrontier
Deal found 5/5$187
Thu 5/1611:06 pmSTL - DCA
1 stop11h 57mFrontier
Sat 5/186:57 pmDCA - STL
1 stop28h 35mFrontier
Deal found 5/6$209
Sun 5/1911:22 pmSTL - DCA
1 stop21h 37mFrontier
Sun 5/266:58 pmDCA - STL
1 stop15h 38mFrontier
Deal found 5/5$222
Thu 5/1611:06 pmSTL - DCA
1 stop11h 57mFrontier
Mon 6/176:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/6$227
Wed 5/158:04 pmSTL - DCA
1 stop14h 59mFrontier
Fri 5/177:00 amDCA - STL
1 stop27h 25mFrontier
Deal found 5/5$254

Cheap American Airlines flights from St. Louis to Reagan-National

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Reagan-National. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Have a look at some of the cheapest available American Airlines flights departing from St. Louis and landing in Washington, D.C.. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 6/46:16 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Tue 6/118:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/5$184
Wed 5/296:16 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Thu 5/307:44 amDCA - STL
Nonstop2h 24mAmerican Airlines
Deal found 5/5$189
Thu 6/275:42 pmSTL - DCA
Nonstop2h 01mAmerican Airlines
Mon 7/13:26 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Deal found 5/5$190
Fri 8/166:12 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Tue 8/203:44 pmDCA - STL
Nonstop2h 22mAmerican Airlines
Deal found 5/5$199
Thu 6/206:09 amSTL - DCA
Nonstop2h 02mAmerican Airlines
Wed 6/263:26 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Deal found 5/5$204
Thu 6/276:09 amSTL - DCA
Nonstop2h 02mAmerican Airlines
Thu 6/278:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/5$209
Tue 6/45:04 pmSTL - DCA
Nonstop1h 56mAmerican Airlines
Tue 6/116:30 amDCA - STL
1 stop6h 46mAmerican Airlines
Deal found 5/5$210
Mon 7/15:42 pmSTL - DCA
Nonstop2h 01mAmerican Airlines
Fri 7/512:24 pmDCA - STL
1 stop5h 32mAmerican Airlines
Deal found 5/5$212
Tue 6/46:16 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Sat 6/81:59 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Deal found 5/5$213

Cheap St. Louis to Reagan-National flights in May & June 2024

Find cheap flight options from St. Louis to Reagan-National specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Prices were last updated on May 6, 2024.
Check out some of the best flight deals from St. Louis to Washington, D.C. in 2024. Check back in a little while for more flight options.
Thu 5/2311:06 pmSTL - DCA
1 stop21h 53mFrontier
Sun 5/266:58 pmDCA - STL
1 stop15h 38mFrontier
Deal found 5/5$172
Fri 5/178:45 pmSTL - DCA
1 stop20h 22mFrontier
Tue 5/217:00 amDCA - STL
1 stop7h 09mFrontier
Deal found 5/6$180
Thu 5/2311:06 pmSTL - DCA
1 stop21h 53mFrontier
Tue 5/2812:55 pmDCA - STL
1 stop21h 41mFrontier
Deal found 5/6$182
Tue 6/46:16 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Tue 6/118:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/5$184
Thu 5/2311:06 pmSTL - DCA
1 stop21h 53mFrontier
Fri 5/316:57 pmDCA - STL
1 stop15h 28mFrontier
Deal found 5/5$187
Wed 5/296:30 pmSTL - DCA
1 stop4h 27mDelta
Thu 5/306:00 amDCA - STL
1 stop7h 16mDelta
Deal found 5/5$188
Wed 5/296:16 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Thu 5/307:44 amDCA - STL
Nonstop2h 24mAmerican Airlines
Deal found 5/5$189
Thu 6/275:42 pmSTL - DCA
Nonstop2h 01mAmerican Airlines
Mon 7/13:26 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Deal found 5/5$190
Wed 6/55:42 pmSTL - DCA
Nonstop2h 01mAmerican Airlines
Wed 6/198:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/6$199

St. Louis to Reagan-National 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Reagan-National in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Check out some of the best flight deals from St. Louis to Washington, D.C. in 2024. Check back in a little while for more flight options.
Fri 9/68:00 pmSTL - DCA
1 stop15h 09mFrontier
Mon 9/912:59 pmDCA - STL
1 stop23h 51mFrontier
Deal found 5/5$153
Fri 9/68:00 pmSTL - DCA
1 stop15h 09mFrontier
Mon 9/912:59 pmDCA - STL
1 stop23h 51mFrontier
Deal found 5/5$155
Thu 5/2311:06 pmSTL - DCA
1 stop21h 53mFrontier
Sun 5/266:58 pmDCA - STL
1 stop15h 38mFrontier
Deal found 5/5$172
Fri 8/168:00 pmSTL - DCA
1 stop15h 09mFrontier
Tue 8/2012:59 pmDCA - STL
1 stop21h 38mFrontier
Deal found 5/5$173
Fri 5/178:45 pmSTL - DCA
1 stop20h 22mFrontier
Tue 5/217:00 amDCA - STL
1 stop7h 09mFrontier
Deal found 5/6$180
Thu 5/2311:06 pmSTL - DCA
1 stop21h 53mFrontier
Tue 5/2812:55 pmDCA - STL
1 stop21h 41mFrontier
Deal found 5/6$182
Tue 6/46:16 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Tue 6/118:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/5$184
Thu 5/2311:06 pmSTL - DCA
1 stop21h 53mFrontier
Fri 5/316:57 pmDCA - STL
1 stop15h 28mFrontier
Deal found 5/5$187
Wed 5/296:30 pmSTL - DCA
1 stop4h 27mDelta
Thu 5/306:00 amDCA - STL
1 stop7h 16mDelta
Deal found 5/5$188

Non-stop flights to Reagan-National from St. Louis

Discover non-stop flight options from St. Louis to Reagan-National. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
To help reduce your travel time, choose from one of these non-stop flights from St. Louis to Washington, D.C.. Search for alternative flights from St. Louis to Washington, D.C. by utilizing the search form above.
Tue 6/46:16 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Tue 6/118:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/5$184
Fri 9/66:28 pmSTL - DCA
Nonstop2h 02mAmerican Airlines
Sun 9/87:45 amDCA - STL
Nonstop2h 29mAmerican Airlines
Deal found 5/6$189
Thu 6/275:42 pmSTL - DCA
Nonstop2h 01mAmerican Airlines
Mon 7/13:26 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Deal found 5/5$190
Wed 6/55:42 pmSTL - DCA
Nonstop2h 01mAmerican Airlines
Wed 6/198:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/6$199
Thu 6/206:09 amSTL - DCA
Nonstop2h 02mAmerican Airlines
Wed 6/263:26 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Deal found 5/5$204
Fri 6/75:42 pmSTL - DCA
Nonstop2h 01mAmerican Airlines
Mon 6/108:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/6$209
Tue 6/46:16 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Sat 6/81:59 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Deal found 5/5$213
Tue 7/236:10 amSTL - DCA
Nonstop2h 01mAmerican Airlines
Tue 7/308:00 pmDCA - STL
Nonstop2h 29mAmerican Airlines
Deal found 5/6$224
Fri 7/126:10 amSTL - DCA
Nonstop2h 01mAmerican Airlines
Tue 7/163:26 pmDCA - STL
Nonstop2h 21mAmerican Airlines
Deal found 5/5$228

St. Louis to Reagan-National flights leaving soon

Find last-minute flight options from St. Louis to Reagan-National for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Have a look at some of the flights available from St. Louis to Washington, D.C. departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 5/1611:06 pmSTL - DCA
1 stop11h 57mFrontier
Sat 5/186:57 pmDCA - STL
1 stop28h 35mFrontier
Deal found 5/6$209
Thu 5/1611:06 pmSTL - DCA
1 stop11h 57mFrontier
Mon 6/176:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/6$227
Wed 5/158:04 pmSTL - DCA
1 stop14h 59mFrontier
Fri 5/177:00 amDCA - STL
1 stop27h 25mFrontier
Deal found 5/5$254
Thu 5/1611:06 pmSTL - DCA
1 stop11h 57mFrontier
Fri 5/176:57 pmDCA - STL
1 stop15h 28mFrontier
Deal found 5/6$261
Sat 5/118:04 pmSTL - DCA
1 stop14h 56mFrontier
Mon 5/1312:50 pmDCA - STL
1 stop28h 00mFrontier
Deal found 5/5$277
Mon 5/138:04 pmSTL - DCA
1 stop24h 55mFrontier
Wed 5/156:51 pmDCA - STL
1 stop28h 15mFrontier
Deal found 5/5$378
Sat 5/118:04 pmSTL - DCA
1 stop14h 56mFrontier
Sun 5/126:57 pmDCA - STL
1 stop15h 50mFrontier
Deal found 5/5$399
Thu 5/169:45 amSTL - DCA
Nonstop2h 10mAmerican Airlines
Sun 5/195:04 amDCA - STL
1 stop5h 49mAmerican Airlines
Deal found 5/4$408
Thu 5/169:45 amSTL - DCA
Nonstop2h 10mAmerican Airlines
Sat 5/188:30 amDCA - STL
Nonstop2h 37mAmerican Airlines
Deal found 5/6$479

One-way flights to Reagan-National from St. Louis

Search for one-way flight options from St. Louis to Reagan-National. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Washington, D.C., be sure to check out these deals, which are updated often. For those needing a return trip from St. Louis, there is a search form available above.
Thu 5/305:02 pmSTL - DCA
1 stop5h 55mDelta
Deal found 5/5$94
Thu 5/1611:06 pmSTL - DCA
1 stop11h 57mFrontier
Deal found 5/5$95
Wed 6/126:09 amSTL - DCA
Nonstop2h 02mAmerican Airlines
Deal found 5/4$100
Thu 5/306:16 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Deal found 5/5$105
Wed 6/1210:30 amSTL - DCA
1 stop4h 45mDelta
Deal found 5/4$109
Sat 6/156:30 amSTL - DCA
1 stop4h 10mDelta
Deal found 5/5$114
Mon 6/38:04 pmSTL - DCA
1 stop24h 55mFrontier
Deal found 5/5$139
Thu 6/63:32 pmSTL - DCA
1 stop19h 37mFrontier
Deal found 5/4$140
Sat 5/256:16 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Deal found 5/5$146

Find flights from St. Louis to Reagan-National within your budget

Customize your flight search to find flights from St. Louis to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$153 - $293

Route

Depart

Return

Price

Lambert-St LouisWashington, D.C. Reagan-National

STL - DCA

STLDCA

Lambert-St Louis

Fri 9/6

1 stop15h 09m

Washington, D.C. Reagan-National

Mon 9/9

1 stop23h 51m

$153

Lambert-St LouisWashington, D.C. Reagan-National

STL - DCA

STLDCA

Lambert-St Louis

Fri 9/6

1 stop15h 09m

Washington, D.C. Reagan-National

Mon 9/9

1 stop23h 51m

$155

Lambert-St LouisWashington, D.C. Reagan-National

STL - DCA

STLDCA

Lambert-St Louis

Thu 5/23

1 stop21h 53m

Washington, D.C. Reagan-National

Sun 5/26

1 stop15h 38m

$172

Lambert-St LouisWashington, D.C. Reagan-National

STL - DCA

STLDCA

Lambert-St Louis

Tue 6/4

Nonstop1h 59m

Washington, D.C. Reagan-National

Tue 6/11

Nonstop2h 28m

$184

Lambert-St LouisWashington, D.C. Reagan-National

STL - DCA

STLDCA

Lambert-St Louis

Wed 5/29

1 stop4h 27m

Washington, D.C. Reagan-National

Thu 5/30

1 stop7h 16m

$188

Lambert-St LouisWashington, D.C. Reagan-National

STL - DCA

STLDCA

Lambert-St Louis

Wed 5/29

Nonstop1h 59m

Washington, D.C. Reagan-National

Thu 5/30

Nonstop2h 24m

$189

Lambert-St LouisWashington, D.C. Reagan-National

STL - DCA

STLDCA

Lambert-St Louis

Thu 6/27

Nonstop2h 01m

Washington, D.C. Reagan-National

Mon 7/1

Nonstop2h 25m

$190

Lambert-St LouisWashington, D.C. Reagan-National

STL - DCA

STLDCA

Lambert-St Louis

Tue 6/4

1 stop6h 56m

Washington, D.C. Reagan-National

Tue 6/11

1 stop6h 45m

$203

Lambert-St LouisWashington, D.C. Reagan-National

STL - DCA

STLDCA

Lambert-St Louis

Fri 5/24

1 stop4h 50m

Washington, D.C. Reagan-National

Mon 5/27

1 stop5h 57m

$293

Flights are sorted by cheapest first

Deals found on 5/5

When is the best time to book a flight from St. Louis to Washington, D.C. Reagan-National Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Reagan-National. Price data was last updated on May 3, 2024.
The best time to book flights from St. Louis to Washington, D.C. Reagan-National Airport is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from St. Louis to Washington, D.C. Reagan-National Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Reagan-National. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Washington, D.C. Reagan-National Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Reagan-National by month

Plan your trip from St. Louis to Reagan-National by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Reagan-National is currently $116 while a round-trip flight costs $192. Price data was last updated on April 28, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Washington, D.C. Reagan-National Airport (average of $261). Flying from St. Louis to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $342). 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.

January

$261

February

$277

March

$316

April

$307

May

$308

June

$342

July

$315

August

$282

September

$275

October

$293

November

$306

December

$263

Temperature and rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

35.6 - 80.6 °F

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated May 6, 2024.
See what other customers who have flown with Frontier, American Airlines and Delta from St. Louis to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,137 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,818 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,090 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,697 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Frontier
6.3
Okay
4,090 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Entertainment

7.3

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Reagan-National. 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 Washington, D.C. Reagan-National?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Washington, D.C. Reagan-National. On average, Lambert-St Louis has 6 outbound flights to Washington, D.C. Reagan-National per day from 4 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find flights from St. Louis to Washington, D.C. Reagan-National Airport for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Washington, D.C. Reagan-National Airport for under $200. The cheapest flight booked recently is on Frontier for just $153, but on average you can expect to pay $195.

  • Are there nonstop flights from St. Louis to Washington, D.C. Reagan-National Airport for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Washington, D.C. Reagan-National Airport under $200. A good price for a nonstop flight from St. Louis to Washington, D.C. Reagan-National Airport is less than $241.

  • Are there last-minute flights available from St. Louis to Washington, D.C. Reagan-National Airport for under $300?

    There are currently 15+ open flights from St. Louis to Washington, D.C. Reagan-National Airport within the next 7 days for less than $300.

  • What are the cheapest airlines flying from St. Louis to Washington, D.C. Reagan-National Airport round-trip?

    According to our current data, Frontier ($153), American Airlines ($184), and Delta ($188) offers the cheapest pricing from St. Louis to Washington, D.C. Reagan-National Airport. Frontier is priced at 49% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Washington, D.C. Reagan-National Airport one-way?

    $94 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $95 and $100, respectively.

  • What are the most popular airlines that fly from St. Louis to Washington, D.C. Reagan-National Airport?

    The most popular airlines flying from St. Louis to Washington, D.C. Reagan-National Airport are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

  • What are the most reliable airlines from St. Louis to Washington, D.C. Reagan-National Airport?

    Before booking your flight to Washington, D.C. Reagan-National Airport from St. Louis, check out the most reliable airlines to get you to your destination on time: PSA Airlines (95%), Republic Airways (92%), American Airlines( 91%).

  • What are the cheapest flights from St. Louis to Washington, D.C. Reagan-National Airport?

    While on average a flight from St. Louis to Washington, D.C. Reagan-National Airport is generally $436, our data shows the cheapest flight currently is $78. When looking at the most popular route, (Lambert-St Louis - Washington, D.C. Reagan-National), you can expect to pay $168 for that flight.

  • What does STL to DCA mean?

    Lambert-St Louis Airport is STL and Washington, D.C. Reagan-National Airport is DCA. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from St. Louis to Reagan-National that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Reagan-National flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Reagan-National with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Reagan-National flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Reagan-National that include hotel bookings?

    Yes. In addition to deals on St. Louis to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Reagan-National?

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

  • Can I find deals for business class flights from St. Louis to Reagan-National?

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

  • Can I find deals for flights from St. Louis to Reagan-National that allow pets onboard?

    Many airlines flying from St. Louis to Reagan-National offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Reagan-National?

    Yes, you can often find last-minute deals on St. Louis to Reagan-National flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Washington, D.C. Reagan-National Airport flight deals updated?

    The St. Louis to Washington, D.C. Reagan-National Airport flight deals you see on this page were last updated on 5/6.

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Alternative routes for St. Louis to Reagan-National
See prices for flight routes from nearby airports that may be better suited for you.

St. Louis to Dulles Intl flights
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Top 4 airlines flying from St. Louis to Reagan-National

Discover the top 4 airlines that operate flights from St. Louis to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$220FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$167Average$276FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapest$191Average$302FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$218Average$337FlexibilityNo cancel feeOn-time69%
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Search flights from St. Louis to Reagan-National by cabin class

Find flights from St. Louis to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from St. Louis to Reagan-National

Find hourly flight availability from St. Louis to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 6, 2024.
9%of flight departuresEarly morningMidnight to 6 am
51%of flight departuresMorning6 am to noon
27%of flight departuresAfternoonNoon to 6 pm
13%of flight departuresEvening6 pm to midnight
Midnight
6 AM
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6 PM

Weekly flight availability from St. Louis to Reagan-National

Explore weekly flight availability from St. Louis to Reagan-National. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 6, 2024.
Sunday5daily flights
Monday7daily flights
Tuesday7daily flights
Wednesday7daily flights
Thursday7daily flights
Friday7daily flights
Saturday6daily flights

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Can Cheapflights find flights from St. Louis to Reagan-National with no change fees?

Need flexible booking options for your flight to Reagan-National from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Reagan-National become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Reagan-National from St. Louis today and book when prices fit your budget.

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