Cheap flights from St. Louis (STL) to District of Columbia from $85

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 6/10. 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 — IAD
May 26 — Jun 21

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

To save up to 108% 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 $327 1-2 weeks out and tickets from $462 for flights departing within the next 72 hours.

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

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 is the cheapest time to fly from St. Louis to District of Columbia (STL - 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.

Cheap United Airlines flights from St. Louis to District of Columbia

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and District of Columbia. 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 2,708,702 searches. Data last updated May 21, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from St. Louis to District of Columbia. Come back soon if you're not finding the exact deal you're looking for.
Sat 9/288:25 amSTL - IAD
Nonstop2h 09mUnited Airlines
Wed 10/28:35 amIAD - STL
Nonstop2h 23mUnited Airlines
Deal found 5/20$189
Sat 9/288:25 amSTL - IAD
Nonstop2h 09mUnited Airlines
Wed 10/28:25 amIAD - STL
1 stop7h 23mUnited Airlines
Deal found 5/20$199
Wed 6/268:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Sat 7/65:25 pmIAD - STL
1 stop6h 20mUnited Airlines
Deal found 5/20$209
Sat 9/148:25 amSTL - IAD
Nonstop2h 08mUnited Airlines
Sat 9/288:35 amIAD - STL
Nonstop2h 23mUnited Airlines
Deal found 5/19$220
Sat 9/145:20 pmSTL - IAD
1 stop5h 55mUnited Airlines
Sat 9/288:35 amIAD - STL
Nonstop2h 23mUnited Airlines
Deal found 5/19$225
Wed 6/268:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Sat 7/68:15 amIAD - STL
Nonstop2h 07mUnited Airlines
Deal found 5/20$226
Wed 6/268:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Sat 7/68:15 amIAD - STL
Nonstop2h 07mUnited Airlines
Deal found 5/21$229
Fri 8/238:25 amSTL - IAD
Nonstop2h 08mUnited Airlines
Sun 8/258:35 amIAD - STL
Nonstop2h 21mUnited Airlines
Deal found 5/20$303
Tue 8/278:25 amSTL - IAD
Nonstop2h 08mUnited Airlines
Tue 9/38:35 amIAD - STL
Nonstop2h 21mUnited Airlines
Deal found 5/20$397

Cheap Delta flights from St. Louis to District of Columbia

Explore cheap flight options specifically provided by Delta for the route between St. Louis and District of Columbia. 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 2,708,702 searches. Data last updated May 21, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from St. Louis to District of Columbia. Deals frequently update to provide users with more options.
Tue 6/256:10 pmSTL - IAD
1 stop3h 48mDelta
Wed 6/266:10 amIAD - STL
1 stop4h 05mDelta
Deal found 5/21$188
Sat 8/315:05 pmSTL - IAD
1 stop6h 10mDelta
Wed 9/46:10 amIAD - STL
1 stop4h 20mDelta
Deal found 5/20$198
Mon 9/236:00 pmSTL - IAD
1 stop3h 43mDelta
Wed 10/26:00 amIAD - STL
1 stop5h 43mDelta
Deal found 5/21$203
Tue 6/254:02 pmSTL - IAD
1 stop4h 44mDelta
Wed 7/106:00 amIAD - STL
1 stop4h 02mDelta
Deal found 5/21$208
Thu 6/206:00 amSTL - IAD
1 stop7h 05mDelta
Tue 6/256:00 amIAD - STL
1 stop4h 10mDelta
Deal found 5/20$218
Thu 5/303:27 pmSTL - IAD
1 stop5h 18mDelta
Mon 6/37:54 pmIAD - STL
1 stop4h 46mDelta
Deal found 5/21$419
Thu 5/306:00 amSTL - IAD
1 stop4h 34mDelta
Thu 5/307:54 pmIAD - STL
1 stop4h 46mDelta
Deal found 5/21$463
Mon 6/35:02 pmSTL - DCA
1 stop5h 55mDelta
Thu 6/68:35 amDCA - STL
1 stop6h 44mDelta
Deal found 5/20$474
Thu 5/307:00 amSTL - IAD
1 stop6h 09mDelta
Sun 6/29:59 amIAD - STL
1 stop6h 58mDelta
Deal found 5/21$498

Cheap St. Louis to District of Columbia flights in May & June 2024

Find cheap flight options from St. Louis to District of Columbia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,708,702 searches. Prices were last updated on May 21, 2024.
Scroll through some of the best deals on flights from St. Louis to District of Columbia in 2024. Check back in a little while for more flight options.
Mon 6/38:04 pmSTL - DCA
1 stop14h 59mFrontier
Mon 6/106:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/20$149
Thu 6/203:32 pmSTL - DCA
1 stop19h 37mFrontier
Mon 6/246:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/19$151
Sat 6/18:04 pmSTL - DCA
1 stop14h 59mFrontier
Tue 6/412:55 pmDCA - STL
1 stop21h 34mFrontier
Deal found 5/19$152
Sat 6/18:04 pmSTL - DCA
1 stop14h 59mFrontier
Mon 6/312:55 pmDCA - STL
1 stop25h 14mFrontier
Deal found 5/19$153
Wed 5/298:04 pmSTL - DCA
1 stop21h 03mFrontier
Fri 5/316:57 pmDCA - STL
1 stop15h 28mFrontier
Deal found 5/20$157
Thu 6/63:32 pmSTL - DCA
1 stop19h 37mFrontier
Mon 6/106:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/20$158
Wed 6/58:02 pmSTL - DCA
1 stop15h 03mFrontier
Mon 6/106:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/20$160
Thu 6/203:32 pmSTL - DCA
1 stop19h 37mFrontier
Wed 6/2612:53 pmDCA - STL
1 stop26h 39mFrontier
Deal found 5/19$163
Wed 6/58:02 pmSTL - DCA
1 stop15h 03mFrontier
Sun 6/97:00 amDCA - STL
1 stop27h 29mFrontier
Deal found 5/20$164

St. Louis to District of Columbia 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and District of Columbia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,708,702 searches. Data last updated May 21, 2024.
Scroll through some of the best deals on flights from St. Louis to District of Columbia in 2024. Check back in a little while for more flight options.
Mon 6/38:04 pmSTL - DCA
1 stop14h 59mFrontier
Mon 6/106:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/20$149
Thu 6/203:32 pmSTL - DCA
1 stop19h 37mFrontier
Mon 6/246:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/19$151
Sat 6/18:04 pmSTL - DCA
1 stop14h 59mFrontier
Tue 6/412:55 pmDCA - STL
1 stop21h 34mFrontier
Deal found 5/19$152
Sat 6/18:04 pmSTL - DCA
1 stop14h 59mFrontier
Mon 6/312:55 pmDCA - STL
1 stop25h 14mFrontier
Deal found 5/19$153
Wed 5/298:04 pmSTL - DCA
1 stop21h 03mFrontier
Fri 5/316:57 pmDCA - STL
1 stop15h 28mFrontier
Deal found 5/20$157
Thu 6/63:32 pmSTL - DCA
1 stop19h 37mFrontier
Mon 6/106:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/20$158
Wed 6/58:02 pmSTL - DCA
1 stop15h 03mFrontier
Mon 6/106:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/20$160
Thu 6/203:32 pmSTL - DCA
1 stop19h 37mFrontier
Wed 6/2612:53 pmDCA - STL
1 stop26h 39mFrontier
Deal found 5/19$163
Wed 6/58:02 pmSTL - DCA
1 stop15h 03mFrontier
Sun 6/97:00 amDCA - STL
1 stop27h 29mFrontier
Deal found 5/20$164

Non-stop flights to District of Columbia from St. Louis

Discover non-stop flight options from St. Louis to District of Columbia. 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 2,708,702 searches. Data last updated May 21, 2024.
Consider booking one of these non-stop flights heading from St. Louis to District of Columbia. Search for alternative flights from St. Louis to District of Columbia by utilizing the search form above.
Sat 8/316:12 amSTL - DCA
Nonstop1h 59mAmerican Airlines
Wed 9/47:45 pmDCA - STL
Nonstop2h 35mAmerican Airlines
Deal found 5/20$179
Fri 6/286:09 amSTL - DCA
Nonstop2h 02mAmerican Airlines
Mon 7/18:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/20$189
Sat 9/288:25 amSTL - IAD
Nonstop2h 09mUnited Airlines
Wed 10/28:35 amIAD - STL
Nonstop2h 23mUnited Airlines
Deal found 5/20$189
Thu 6/206:09 amSTL - DCA
Nonstop2h 02mAmerican Airlines
Wed 6/268:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/19$199
Wed 10/166:28 pmSTL - DCA
Nonstop2h 02mAmerican Airlines
Sat 10/192:54 pmDCA - STL
Nonstop2h 22mAmerican Airlines
Deal found 5/19$204
Thu 6/205:42 pmSTL - DCA
Nonstop2h 01mAmerican Airlines
Mon 6/248:00 pmDCA - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/19$209
Fri 7/56:10 amSTL - DCA
Nonstop2h 01mAmerican Airlines
Fri 7/128:00 pmDCA - STL
Nonstop2h 29mAmerican Airlines
Deal found 5/20$213
Sat 9/148:25 amSTL - IAD
Nonstop2h 08mUnited Airlines
Sat 9/288:35 amIAD - STL
Nonstop2h 23mUnited Airlines
Deal found 5/19$220
Wed 6/266:09 amSTL - DCA
Nonstop2h 02mAmerican Airlines
Sat 7/65:30 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Deal found 5/20$223

St. Louis to District of Columbia flights leaving soon

Find last-minute flight options from St. Louis to District of Columbia 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 2,708,702 searches. Data last updated May 21, 2024.
Check out these flights departing soon from St. Louis to District of Columbia. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Mon 6/38:04 pmSTL - DCA
1 stop14h 59mFrontier
Mon 6/106:59 pmDCA - STL
1 stop20h 48mFrontier
Deal found 5/20$149
Sat 6/18:04 pmSTL - DCA
1 stop14h 59mFrontier
Tue 6/412:55 pmDCA - STL
1 stop21h 34mFrontier
Deal found 5/19$152
Sat 6/18:04 pmSTL - DCA
1 stop14h 59mFrontier
Mon 6/312:55 pmDCA - STL
1 stop25h 14mFrontier
Deal found 5/19$153
Wed 5/298:04 pmSTL - DCA
1 stop21h 03mFrontier
Fri 5/316:57 pmDCA - STL
1 stop15h 28mFrontier
Deal found 5/20$157
Mon 6/38:04 pmSTL - DCA
1 stop14h 59mFrontier
Fri 6/76:59 pmDCA - STL
1 stop15h 30mFrontier
Deal found 5/20$184
Fri 5/318:45 pmSTL - DCA
1 stop24h 14mFrontier
Tue 6/46:57 pmDCA - STL
1 stop15h 32mFrontier
Deal found 5/20$207
Thu 5/3011:06 pmSTL - DCA
1 stop11h 57mFrontier
Mon 6/36:57 pmDCA - STL
1 stop19h 12mFrontier
Deal found 5/21$218
Thu 5/3011:06 pmSTL - DCA
1 stop11h 57mFrontier
Sun 6/27:00 amDCA - STL
1 stop16h 32mFrontier
Deal found 5/20$219
Wed 5/298:04 pmSTL - DCA
1 stop14h 59mFrontier
Sat 6/16:57 pmDCA - STL
1 stop28h 35mFrontier
Deal found 5/20$228

One-way flights to District of Columbia from St. Louis

Search for one-way flight options from St. Louis to District of Columbia. 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 2,708,702 searches. Data last updated May 21, 2024.
Users traveling one-way from St. Louis to District of Columbia can select one of these great deals. Those seeking round-trip flights from St. Louis to District of Columbia should utilize the search form at the the top of the page.
Mon 6/108:22 pmSTL - DCA
1 stop24h 35mFrontier
Deal found 5/20$85
Thu 6/203:32 pmSTL - DCA
1 stop19h 37mFrontier
Deal found 5/20$86
Fri 6/145:36 pmSTL - DCA
1 stop27h 21mFrontier
Deal found 5/20$89
Sun 6/211:22 pmSTL - DCA
1 stop11h 41mFrontier
Deal found 5/20$90
Tue 6/116:10 pmSTL - DCA
1 stop3h 59mDelta
Deal found 5/21$94
Tue 6/116:10 pmSTL - IAD
1 stop3h 48mDelta
Deal found 5/21$94
Tue 6/116:09 amSTL - DCA
Nonstop2h 02mAmerican Airlines
Deal found 5/20$95
Thu 9/196:24 amSTL - DCA
Nonstop2h 05mAmerican Airlines
Deal found 5/21$100
Tue 6/114:02 pmSTL - IAD
1 stop4h 44mDelta
Deal found 5/20$104

Find flights from St. Louis to District of Columbia within your budget

Customize your flight search to find flights from St. Louis to District of Columbia 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 2,708,702 searches. Data last updated May 21, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$149 - $308

Route

Depart

Return

Price

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

STL - DCA

STLDCA

Lambert-St Louis

Mon 6/3

1 stop14h 59m

Washington, D.C. Reagan-National

Mon 6/10

1 stop20h 48m

$149

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

STL - DCA

STLDCA

Lambert-St Louis

Thu 6/20

1 stop19h 37m

Washington, D.C. Reagan-National

Mon 6/24

1 stop20h 48m

$151

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

STL - DCA

STLDCA

Lambert-St Louis

Sat 6/1

1 stop14h 59m

Washington, D.C. Reagan-National

Tue 6/4

1 stop21h 34m

$152

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

STL - DCA

STLDCA

Lambert-St Louis

Sat 8/31

Nonstop1h 59m

Washington, D.C. Reagan-National

Wed 9/4

Nonstop2h 35m

$179

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

STL - DCA

STLDCA

Lambert-St Louis

Mon 8/12

Nonstop2h 00m

Washington, D.C. Reagan-National

Tue 8/13

Nonstop2h 10m

$185

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

STL - DCA

STLDCA

Lambert-St Louis

Mon 7/1

1 stop4h 10m

Washington, D.C. Reagan-National

Fri 7/5

1 stop6h 45m

$188

Lambert-St LouisWashington, D.C. Dulles Intl

STL - IAD

STLIAD

Lambert-St Louis

Sat 9/28

Nonstop2h 09m

Washington, D.C. Dulles Intl

Wed 10/2

Nonstop2h 23m

$189

Lambert-St LouisWashington, D.C. Dulles Intl

STL - IAD

STLIAD

Lambert-St Louis

Fri 7/12

1 stop27h 12m

Washington, D.C. Dulles Intl

Sun 7/14

1 stop6h 24m

$245

Lambert-St LouisWashington, D.C. Dulles Intl

STL - IAD

STLIAD

Lambert-St Louis

Thu 6/6

2 stops6h 49m

Washington, D.C. Dulles Intl

Fri 6/7

1 stop5h 38m

$308

Flights are sorted by cheapest first

Deals found on 5/20

No data available for this route at this time. Please check back soon.

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.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated May 21, 2024.
Read reviews from past customers who have flown United Airlines, Delta and American Airlines from St. Louis to District of Columbia. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,013 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
6,013 reviews
Southwest
8.2
Very good
6,013 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.0
Very good
10,595 reviews
Southwest
8.2
Very good
6,013 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.7
Good
4,369 reviews
Southwest
8.2
Very good
6,013 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.4
Good
10,884 reviews
Southwest
8.2
Very good
6,013 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.3
Good
14,447 reviews
Southwest
8.2
Very good
6,013 reviews

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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?

    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 flights from St. Louis to District of Columbia for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to District of Columbia for under $200. The cheapest flight booked recently is on Frontier for just $149, but on average you can expect to pay $173.

  • Are there nonstop flights from St. Louis to District of Columbia for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to District of Columbia under $200. A good price for a nonstop flight from St. Louis to District of Columbia is less than $229.

  • Are there last-minute flights available from St. Louis to District of Columbia for under $200?

    There are currently 20+ open flights from St. Louis to District of Columbia within the next 7 days for less than $200.

  • 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 Frontier ($85), Delta ($94), and American Airlines ($95).

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

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

    Consider Avianca (98%), Copa Airlines (98%) or GoJet (93%) 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 $2,160, our data indicates the cheapest price to be $156. The most popular route (Lambert-St Louis - Washington, D.C. Reagan-National), is priced around $158.

  • What does STL to IAD mean?

    This is defined as Lambert-St Louis Airport (STL) and Washington, D.C. Dulles Intl Airport (IAD). Codes like Washington, D.C. Dulles Intl Airport are often used to just call airports uniquely. Ready for more IATA code knowledge? These are related airports for your current travel destination: Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

  • Can I find deals for flights from St. Louis to District of Columbia that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to District of Columbia 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 District of Columbia with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to District of Columbia 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 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.

  • Can I find deals for flights from St. Louis to District of Columbia that allow pets onboard?

    Many airlines flying from St. Louis to District of Columbia 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 District of Columbia?

    Yes, you can often find last-minute deals on St. Louis to District of Columbia 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 District of Columbia flight deals updated?

    The St. Louis to District of Columbia flight deals you see on this page were last updated on 5/20.

  • When is the best time to book a flight from St. Louis to District of Columbia?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to District of Columbia (average of $278). Flying from St. Louis to District of Columbia in June is currently the most expensive (average of $394). 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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Alternative routes for St. Louis to District of Columbia
See prices for flight routes from nearby airports that may be better suited for you.

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

Discover the top 5 airlines that operate flights from St. Louis to District of Columbia. 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 2,708,702 searches. Data last updated May 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$192FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$140Average$224FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$167Average$307FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$191Average$358FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$195Average$378FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from St. Louis to District of Columbia by cabin class

Find flights from St. Louis to District of Columbia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from St. Louis to District of Columbia

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 May 21, 2024.
9%of flight departuresEarly morningMidnight to 6 am
48%of flight departuresMorning6 am to noon
32%of flight departuresAfternoonNoon to 6 pm
11%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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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.

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Can Cheapflights find flights from St. Louis to District of Columbia with no change fees?

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Can Cheapflights notify me if prices for flights from St. Louis to District of Columbia become cheaper?

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.

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