£32+ Cheap Flights from St. Louis | Cheapflights

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What to know about flights from St. Louis

Cheapest airline	British Airways
Good round-trip deal	£498 or less
Good one-way deal	£73 or less

On average, British Airways currently has the cheapest one-way flight from Lambert-St Louis (avg. price of £744).

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

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

Find flights from St. Louis

Cheapest flights from St. Louis
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 16 September 2025.

Tue 9/1213:35STL - LAS

1 stop7h 25mUnited Airlines

Sat 13/1205:20LAS - STL

1 stop5h 19mUnited Airlines

Deal found 14/9£123

Sun 8/214:55STL - LAS

1 stop9h 25mAlaska Airlines

Wed 11/210:45LAS - STL

1 stop25h 07mAlaska Airlines

Deal found 16/9£159

Sun 14/1214:20STL - LAS

1 stop6h 24mDelta

Wed 17/1214:07LAS - STL

1 stop7h 21mDelta

Deal found 15/9£160

Wed 15/1006:15STL - LAS

1 stop6h 48mUnited Airlines

Wed 22/1006:00LAS - STL

1 stop4h 44mUnited Airlines

Deal found 15/9£165

Tue 2/1216:37STL - LAS

1 stop6h 23mUnited Airlines

Fri 5/1200:59LAS - STL

1 stop7h 05mUnited Airlines

Deal found 15/9£166

Wed 3/1213:35STL - LAS

1 stop7h 25mUnited Airlines

Sat 6/1205:20LAS - STL

1 stop5h 19mUnited Airlines

Deal found 15/9£171

Sun 23/1117:24STL - LAS

1 stop6h 25mUnited Airlines

Wed 26/1113:48LAS - STL

1 stop6h 34mUnited Airlines

Deal found 15/9£174

Sun 23/1113:35STL - LAS

1 stop5h 27mUnited Airlines

Mon 24/1100:59LAS - STL

1 stop7h 40mUnited Airlines

Deal found 15/9£175

Fri 20/214:55STL - LAS

1 stop9h 25mAlaska Airlines

Fri 27/219:15LAS - STL

1 stop16h 37mAlaska Airlines

Deal found 15/9£181

Tue 25/1117:30STL - LAS

1 stop6h 19mUnited Airlines

Tue 2/1222:00LAS - STL

1 stop10h 50mUnited Airlines

Deal found 15/9£182

Sun 15/208:30STL - LAS

2 stops11h 30mUnited Airlines

Fri 20/223:55LAS - STL

1 stop8h 51mUnited Airlines

Deal found 15/9£185

Tue 18/1118:43STL - LHR

1 stop10h 32mUnited Airlines

Thu 27/1118:00LHR - STL

1 stop27h 29mUnited Airlines

Deal found 14/9£389

Best flights from St. Louis
Discover carefully curated flight deals from St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Fri 9/116:45STL - LAS

1 stop5h 52mDelta

Mon 12/113:20LAS - STL

1 stop6h 17mDelta

Deal found 15/9£160

Mon 16/218:00STL - LAS

1 stop5h 59mUnited Airlines

Wed 18/214:05LAS - STL

1 stop6h 09mUnited Airlines

Deal found 14/9£182

Sun 7/1212:49STL - LAS

1 stop9h 02mDelta

Thu 11/1206:00LAS - STL

1 stop5h 30mDelta

Deal found 15/9£160

Tue 25/1116:43STL - LAS

1 stop6h 03mUnited Airlines

Wed 3/1214:41LAS - STL

1 stop6h 04mUnited Airlines

Deal found 14/9£182

Tue 2/1210:45STL - LHR

2 stops14h 05mVirgin Atlantic

Tue 9/1211:30LHR - STL

2 stops16h 28mVirgin Atlantic

Deal found 14/9£389

Tue 3/316:39STL - LAS

1 stop8h 35mUnited Airlines

Wed 4/309:19LAS - STL

1 stop5h 15mUnited Airlines

Deal found 15/9£182

Thu 15/111:58STL - LHR

1 stop12h 52mIberia

Mon 26/119:40LHR - STL

2 stops20h 17mIberia

Deal found 15/9£413

Tue 28/1017:24STL - LHR

1 stop31h 31mMultiple Airlines

Sun 2/1111:10LHR - STL

1 stop34h 19mMultiple Airlines

Deal found 15/9£416

Wed 22/1005:00STL - LAS

2 stops7h 54mUnited Airlines

Mon 17/1100:59LAS - STL

1 stop7h 40mUnited Airlines

Deal found 15/9£185

Wed 19/1115:50STL - LCY

1 stop18h 50mLufthansa

Thu 27/1109:40LCY - STL

2 stops37h 59mLufthansa

Deal found 14/9£483

Wed 12/1115:38STL - GLA

2 stops15h 12mAmerican Airlines

Fri 21/1111:40GLA - STL

2 stops18h 22mAmerican Airlines

Deal found 15/9£483

Mon 23/214:45STL - LAS

2 stops11h 11mUnited Airlines

Fri 27/223:59LAS - STL

1 stop8h 28mUnited Airlines

Deal found 13/9£185

Direct flights from St. Louis
Explore direct flight options from St. Louis based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 September 2025.

Tue 14/1005:40STL - LAS

Nonstop3h 35mSouthwest

Wed 15/1017:55LAS - STL

Nonstop3h 15mSouthwest

Deal found 14/9£277

Tue 7/1012:55STL - LAS

Nonstop3h 35mSouthwest

Fri 10/1017:45LAS - STL

Nonstop3h 15mSouthwest

Deal found 15/9£297

Fri 24/1020:10STL - LAS

Nonstop3h 30mSouthwest

Sun 26/1020:25LAS - STL

Nonstop3h 15mSouthwest

Deal found 15/9£297

Sun 5/1005:15STL - LAS

Nonstop3h 30mSouthwest

Wed 8/1005:50LAS - STL

Nonstop3h 10mSouthwest

Deal found 14/9£305

Sat 22/1122:45STL - LAS

Nonstop3h 35mSouthwest

Wed 26/1105:20LAS - STL

Nonstop3h 05mSouthwest

Deal found 13/9£306

Wed 4/309:35STL - LAS

Nonstop3h 45mSouthwest

Wed 11/308:20LAS - STL

Nonstop3h 10mSouthwest

Deal found 15/9£316

Thu 23/1005:10STL - LAS

Nonstop3h 30mSouthwest

Sun 26/1020:25LAS - STL

Nonstop3h 15mSouthwest

Deal found 14/9£317

Sat 4/1006:45STL - LAS

Nonstop3h 30mSouthwest

Tue 7/1017:55LAS - STL

Nonstop3h 15mSouthwest

Deal found 15/9£338

Thu 19/217:20STL - LAS

Nonstop3h 45mSouthwest

Sun 22/205:15LAS - STL

Nonstop3h 05mSouthwest

Deal found 14/9£338

Sun 5/1019:50STL - LAS

Nonstop3h 30mSouthwest

Sun 12/1019:00LAS - STL

Nonstop3h 15mSouthwest

Deal found 13/9£346

Thu 5/321:40STL - LAS

Nonstop3h 40mSouthwest

Tue 10/315:00LAS - STL

Nonstop3h 15mSouthwest

Deal found 13/9£348

Tue 16/1220:25STL - LAS

Nonstop3h 35mSouthwest

Fri 19/1217:55LAS - STL

Nonstop3h 10mSouthwest

Deal found 14/9£353

Last-minute flights from St. Louis
Discover last-minute flight deals departing from St. Louis. Data was last updated 16 September 2025 and is based on user searches.

Tue 23/909:56STL - LAS

2 stops13h 32mAlaska Airlines

Wed 24/919:04LAS - STL

2 stops12h 22mAlaska Airlines

Deal found 13/9£413

Wed 24/916:25STL - LAS

1 stop6h 50mSouthwest

Fri 26/923:40LAS - STL

1 stop6h 05mSouthwest

Deal found 15/9£351

Wed 24/905:18STL - LAS

2 stops11h 27mAmerican Airlines

Fri 26/912:45LAS - STL

1 stop7h 42mAmerican Airlines

Deal found 15/9£406

Thu 25/906:00STL - LAS

2 stops14h 59mAlaska Airlines

Tue 30/913:38LAS - STL

2 stops23h 01mAlaska Airlines

Deal found 15/9£405

Sun 5/1005:15STL - LHR

1 stop25h 05mUnited Airlines

Sun 12/1015:50LHR - STL

1 stop33h 58mUnited Airlines

Deal found 15/9£416

Sun 5/1013:30STL - LHR

1 stop11h 00mUnited Airlines

Mon 13/1009:30LHR - STL

1 stop16h 27mUnited Airlines

Deal found 13/9£417

Sun 5/1013:30STL - LHR

1 stop11h 00mAir Canada

Sun 12/1008:30LHR - STL

2 stops17h 27mAir Canada

Deal found 13/9£422

Sat 11/1013:30STL - LHR

1 stop14h 05mAir Canada

Tue 21/1006:50LHR - STL

2 stops14h 28mAir Canada

Deal found 14/9£414

Tue 14/1010:45STL - LHR

2 stops16h 05mDelta

Wed 22/1006:30LHR - STL

2 stops16h 59mDelta

Deal found 14/9£390

Fri 17/1009:15STL - LHR

2 stops15h 15mAir Canada

Tue 21/1006:50LHR - STL

2 stops14h 28mAir Canada

Deal found 14/9£419

Tue 28/1016:05STL - LHR

1 stop14h 15mUnited Airlines

Sun 2/1105:50LHR - STL

2 stops14h 56mUnited Airlines

Deal found 15/9£422

Wed 29/1008:20STL - LHR

1 stop18h 10mUnited Airlines

Wed 5/1106:30LHR - STL

1 stop13h 25mUnited Airlines

Deal found 14/9£389

One-way flights from St. Louis
Search for one-way flight options from St. Louis. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Sun 14/1221:50STL - LAS

Nonstop3h 48mFrontier

Deal found 14/9£32

Thu 18/1217:34STL - LAS

Nonstop3h 49mFrontier

Deal found 15/9£40

Wed 17/1219:43STL - LAS

1 stop6h 02mFrontier

Deal found 15/9£60

Thu 8/118:00STL - LAS

1 stop5h 59mUnited Airlines

Deal found 15/9£62

Mon 15/1219:43STL - LAS

1 stop17h 24mFrontier

Deal found 15/9£68

Sun 14/1214:20STL - LAS

1 stop6h 24mDelta

Deal found 14/9£80

Sun 4/106:00STL - LAS

1 stop10h 01mUnited Airlines

Deal found 14/9£86

Sat 3/114:45STL - LAS

1 stop7h 37mUnited Airlines

Deal found 14/9£88

Sat 31/114:55STL - LAS

1 stop9h 25mAlaska Airlines

Deal found 15/9£91

Wed 26/1117:24STL - LAS

1 stop6h 25mUnited Airlines

Deal found 15/9£91

Mon 19/114:55STL - LAS

1 stop9h 25mHawaiian Airlines

Deal found 15/9£92

Sat 4/1019:55STL - LGW

2 stops32h 15mMultiple Airlines

Deal found 15/9£173

International flights from St. Louis
Find cheap international flights from St. Louis based on historic user searches and pricing. Information updated on 16 September 2025.

Mon 29/906:15STL - DEL

2 stops28h 45mUnited Airlines

Fri 17/1022:50DEL - STL

2 stops34h 15mUnited Airlines

Deal found 15/9£587

Mon 29/906:15STL - DEL

2 stops28h 45mUnited Airlines

Sun 12/1000:05DEL - STL

1 stop30h 22mUnited Airlines

Deal found 14/9£595

Mon 29/906:15STL - DEL

2 stops28h 45mUnited Airlines

Sat 11/1023:35DEL - STL

2 stops29h 52mUnited Airlines

Deal found 14/9£599

Tue 30/912:25STL - DXB

2 stops21h 10mUnited Airlines

Wed 8/1001:55DXB - STL

2 stops21h 32mUnited Airlines

Deal found 16/9£607

Wed 1/1008:00STL - DXB

2 stops25h 35mMultiple Airlines

Tue 7/1001:25DXB - STL

1 stop27h 13mMultiple Airlines

Deal found 16/9£608

Sun 16/1111:05STL - DXB

2 stops22h 35mUnited Airlines

Tue 18/1102:15DXB - STL

2 stops23h 34mUnited Airlines

Deal found 15/9£618

Sat 15/1118:43STL - DXB

2 stops38h 57mUnited Airlines

Tue 18/1102:15DXB - STL

2 stops26h 32mUnited Airlines

Deal found 15/9£627

Mon 9/317:40STL - DXB

1 stop17h 00mUnited Airlines

Thu 12/301:50DXB - STL

2 stops28h 14mUnited Airlines

Deal found 14/9£637

Thu 13/1110:00STL - DXB

2 stops26h 15mUnited Airlines

Tue 18/1102:15DXB - STL

2 stops25h 24mUnited Airlines

Deal found 15/9£640

Fri 14/1117:24STL - DXB

2 stops28h 06mUnited Airlines

Wed 19/1102:15DXB - STL

2 stops25h 24mUnited Airlines

Deal found 15/9£643

Wed 29/1017:58STL - DXB

1 stop16h 42mUnited Airlines

Tue 4/1101:30DXB - STL

1 stop22h 25mUnited Airlines

Deal found 14/9£648

Sun 28/908:00STL - DEL

2 stops27h 00mUnited Airlines

Fri 17/1022:50DEL - STL

2 stops34h 15mUnited Airlines

Deal found 14/9£650

Fly to

Route

Depart

Return

Price

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Fri 9/1

16:45-20:37

1 stop5h 52m

Las Vegas Harry Reid Intl

Mon 12/1

13:20-21:37

1 stop6h 17m

£160

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 7/12

12:49-19:51

1 stop9h 02m

Las Vegas Harry Reid Intl

Thu 11/12

06:00-13:30

1 stop5h 30m

£160

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Mon 16/2

18:00-21:59

1 stop5h 59m

Las Vegas Harry Reid Intl

Wed 18/2

14:05-22:14

1 stop6h 09m

£182

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 25/11

16:43-20:46

1 stop6h 03m

Las Vegas Harry Reid Intl

Wed 3/12

14:41-22:45

1 stop6h 04m

£182

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 3/3

16:39-23:14

1 stop8h 35m

Las Vegas Harry Reid Intl

Wed 4/3

09:19-16:34

1 stop5h 15m

£182

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Wed 22/10

05:00-10:54

2 stops7h 54m

Las Vegas Harry Reid Intl

Mon 17/11

00:59-10:39

1 stop7h 40m

£185

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Mon 23/2

14:45-23:56

2 stops11h 11m

Las Vegas Harry Reid Intl

Fri 27/2

23:59-10:27

1 stop8h 28m

£185

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 9/12

09:00-17:58

2 stops10h 58m

Las Vegas Harry Reid Intl

Sat 13/12

23:53-10:07

1 stop8h 14m

£185

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 8/2

14:45-23:59

2 stops11h 14m

Las Vegas Harry Reid Intl

Wed 11/2

08:00-15:52

1 stop5h 52m

£185

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 14/10

05:15-08:44

1 stop5h 29m

Las Vegas Harry Reid Intl

Sat 18/10

10:46-22:35

2 stops9h 49m

£185

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 60 results

1

2

3

...

6

Best time to book a flight from St. Louis

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

Estimated return 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.

Travel insights for flights from St. Louis

Get recent, data-driven insights about flights from St. Louis including ideal travel times, pricing trends, and more.

When is the best time to book a flight from St. Louis?

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from St. Louis (average of £382). Flying from St. Louis in June will prove the most costly (average of £737). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from St. Louis?

Many airlines operate round-trip flights from St. Louis: Virgin Atlantic, British Airways, KLM, Air Canada. These airlines fly to the following popular destinations: London.

Virgin Atlantic

Virgin Atlantic

British Airways

British Airways

KLM

Air Canada

What are popular destinations to fly to from St. Louis?

If you’re flying from St. Louis, these routes are more frequently taken by airlines Chicago (914 flights per day), Atlanta (263 flights per day) and Dallas (203 flights per day).

Chicago

Atlanta Hartsfield-Jackson

Atlanta Hartsfield-Jackson

Frankfurt am Main

Frankfurt am Main

San Francisco

What is the cheapest place to fly to from St. Louis?

The cheapest city to fly to from St. Louis is Detroit, with prices starting at £70. Explore other affordable destinations below.

Detroit

Las Vegas Harry Reid Intl

Las Vegas Harry Reid Intl

Chicago

San Francisco

Airline reviews for flights from St. Louis

Read through reviews of airlines serving St. Louis, such as KLM, Virgin Atlantic, andAir Canada. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

7.8

Good

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

7.8

Good

7.8

Good

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Virgin Atlantic

7.4

Good

7.8

Good

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

7.1

Good

7.8

Good

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7.8

Good

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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Related info for your journey

What are the most popular destinations to fly to from St. Louis?
This month, the top selected destinations from St. Louis are Denver, Athens, Cancún. Throughout the year, Denver, Cancún, Atlanta are some of the top choices made by users flying from St. Louis.
What is the cheapest flight from St. Louis to anywhere?
Users have flown out of St. Louis for as low as £70 to Detroit Metropolitan Wayne County Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £377 to fly from St. Louis.
What are the cheapest airlines flying from St. Louis to anywhere?
Over the past few days, we've found that Air Canada, Virgin Atlantic, and British Airways have the cheapest prices from St. Louis. Air Canada flights from St. Louis to London Heathrow (£430), Virgin Atlantic flights from St. Louis to London Heathrow (£464), and British Airways flights from St. Louis to Edinburgh Turnhouse (£485).
What is the cheapest premium economy flight from St. Louis?
Here are some of the cheapest offers we have found for the cheapest premium economy flights from St. Louis.
Lambert-St Louis to Washington, D.C. Dulles Intl Airport from £1,257
Lambert-St Louis to Frankfurt am Main Airport from £1,737
Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl Airport from £1,984
Lambert-St Louis to Newark Airport from £2,142
What is the cheapest first class flight from St. Louis?
If you’re looking for a cheap first-class flight from St. Louis, consider Chicago. Prices start at £357 so you can fly first-class even on a budget.
What is the cheapest month to fly from St. Louis?
At the present moment the cheapest month to fly from St. Louis is currently February; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.
Where are the cheapest places to fly to from St. Louis?
Check out the cheapest flights from St. Louis to embark to:
Travel from St. Louis to London from £358 round trip
How does Cheapflights help users find flights from St. Louis?
Deals for flights from St. Louis are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from St. Louis?
Cheapflights simply makes it quick and affordable to book flights from St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from St. Louis with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from St. Louis become cheaper?
Not ready to book yet? You can track prices for flights from St. Louis on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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How does Cheapflights help users find flights from St. Louis?

Deals for flights from St. Louis are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis?

Cheapflights simply makes it quick and affordable to book flights from St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from St. Louis on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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