Find flights
Deals
Airlines

£66+ Cheap flights from St. Louis

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/1. 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 — LHR
9 Jan — 16 Jan1
1 adult
1 adult, Economy, 0 bags

What to know about flights from St. Louis

Discover essential information about flights departing from St. Louis, including flight schedules, destinations, airlines operating at the St. Louis airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 10 December 2025.

Cheapest airline

British Airways

Good round-trip deal

£79 or less

Good one-way deal

£227 or less
On average, British Airways currently has the cheapest one-way flight from Lambert-St Louis (avg. price of £626).
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis.
Search Deals

Find flights from St. Louis

Enter your travel dates to find the best prices.

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 10 December 2025.

Thu 22/115:37STL - INV
2 stops22h 03mBritish Airways
Thu 29/111:45INV - STL
2 stops17h 14mBritish Airways
Deal found 9/12£374
Thu 8/114:54STL - INV
2 stops22h 46mBritish Airways
Thu 15/119:45INV - STL
2 stops33h 14mBritish Airways
Deal found 9/12£381
Thu 19/218:58STL - INV
2 stops18h 42mAmerican Airlines
Thu 26/211:45INV - STL
2 stops27h 07mAmerican Airlines
Deal found 9/12£384
Sat 28/318:50STL - INV
2 stops38h 00mBritish Airways
Wed 8/407:35INV - STL
2 stops21h 49mBritish Airways
Deal found 9/12£438
Fri 23/111:22STL - MAN
2 stops18h 58mLufthansa
Fri 30/106:05MAN - STL
1 stop13h 50mLufthansa
Deal found 9/12£443
Sun 29/309:20STL - INV
2 stops18h 50mBritish Airways
Wed 8/407:35INV - STL
2 stops21h 49mBritish Airways
Deal found 9/12£452
Wed 21/118:44STL - GLA
2 stops15h 41mBritish Airways
Wed 28/111:40GLA - STL
2 stops17h 19mBritish Airways
Deal found 9/12£455
Mon 23/218:45STL - MAN
2 stops16h 15mLufthansa
Wed 25/211:15MAN - STL
2 stops18h 50mLufthansa
Deal found 9/12£456
Fri 6/214:54STL - EDI
2 stops15h 16mBritish Airways
Fri 13/210:55EDI - STL
2 stops18h 33mBritish Airways
Deal found 9/12£457
Fri 23/115:37STL - MAN
2 stops18h 58mBritish Airways
Fri 30/111:50MAN - STL
2 stops17h 09mBritish Airways
Deal found 9/12£462
Fri 30/111:20STL - EDI
2 stops14h 35mUnited Airlines
Tue 3/209:25EDI - STL
1 stop13h 53mUnited Airlines
Deal found 8/12£465
Fri 6/211:05STL - EDI
2 stops17h 00mAmerican Airlines
Fri 13/208:25EDI - STL
2 stops21h 03mAmerican Airlines
Deal found 9/12£468

Find flights from St. Louis within your budget

 
Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 10 December 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

St. LouisInverness

STL - INV

STLINV

Lambert-St Louis

Thu 19/2

14:00-10:00

2 stops14h 00m

Inverness

Thu 26/2

11:45-22:54

2 stops17h 09m

£374

St. LouisInverness

STL - INV

STLINV

Lambert-St Louis

Thu 22/1

15:37-19:40

2 stops22h 03m

Inverness

Thu 29/1

11:45-22:59

2 stops17h 14m

£374

St. LouisInverness

STL - INV

STLINV

Lambert-St Louis

Thu 8/1

14:54-19:40

2 stops22h 46m

Inverness

Thu 15/1

19:45-22:59

2 stops33h 14m

£381

St. LouisInverness

STL - INV

STLINV

Lambert-St Louis

Thu 19/2

18:58-19:40

2 stops18h 42m

Inverness

Thu 26/2

11:45-08:52

2 stops27h 07m

£384

St. LouisInverness

STL - INV

STLINV

Lambert-St Louis

Sat 28/3

18:50-13:50

2 stops38h 00m

Inverness

Wed 8/4

07:35-23:24

2 stops21h 49m

£438

St. LouisInverness

STL - INV

STLINV

Lambert-St Louis

Sun 29/3

09:20-10:10

2 stops18h 50m

Inverness

Wed 8/4

07:35-23:24

2 stops21h 49m

£452

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Mon 23/2

18:45-17:00

2 stops16h 15m

Manchester

Wed 25/2

11:15-00:05

2 stops18h 50m

£456

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Fri 30/1

09:57-07:55

2 stops15h 58m

Edinburgh Turnhouse

Tue 3/2

09:25-22:58

2 stops19h 33m

£465

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Fri 6/2

11:05-10:05

2 stops17h 00m

Edinburgh Turnhouse

Fri 13/2

08:25-23:28

2 stops21h 03m

£468

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Thu 8/1

12:11-10:20

2 stops16h 09m

Belfast City

Mon 12/1

11:30-23:59

2 stops18h 29m

£471

Flights are sorted by cheapest return flights first.

Deals found on 7/12

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?

Use this chart to determine the optimal time to book a return flight from St. Louis to Heathrow. Price data was last updated on 5 December 2025.

Booking 27 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, September is the cheapest month in which you can book a flight from St. Louis (average of £398). Flying from St. Louis in June will prove the most costly (average of £752). 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.

British Airways
British Airways
From £435
Virgin Atlantic
Virgin Atlantic
From £412
KLM
KLM
From £369
Air Canada
Air Canada
From £439

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 (779 flights per day), New York (261 flights per day) and Dallas (237 flights per day).

Dallas/Fort Worth
Dallas/Fort Worth
From £399
Chicago
Chicago
From £36
Tampa
Tampa
From £292
Los Angeles
Los Angeles
From £129

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

The cheapest city to fly to from St. Louis is Chicago, with prices starting at £36. Explore other affordable destinations below.

Chicago
Chicago
From £36
Detroit
Detroit
From £71
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £79
Los Angeles
Los Angeles
From £129

Airline reviews for flights from St. Louis

Get insights into the airlines that provide service from St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from St. Louis. In the last 7 days, Cheapflights users made a total of 858,174 searches.
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.
KLM
7.7
Good
1,431 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.3

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,431 reviews
KLM
7.7
Good
1,431 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.3

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,431 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.3

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Air Canada
7.1
Good
10,513 reviews
KLM
7.7
Good
1,431 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.3

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,573 reviews
KLM
7.7
Good
1,431 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Crew

8.3

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Missouri

Book a direct flight from one of these other cities located in Missouri.
Direct flights from Kansas City
Direct flights from Columbia

Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 10 December 2025.

  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Cancún, Denver, Atlanta. 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 £36 to Chicago O'Hare Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £678 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 KLM, Virgin Atlantic, and British Airways have the cheapest prices from St. Louis. KLM flights from St. Louis to London Heathrow (£369), Virgin Atlantic flights from St. Louis to London Heathrow (£412), and British Airways flights from St. Louis to London Heathrow (£435).

  • 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 £1,282
    Lambert-St Louis to Frankfurt am Main Airport from £1,772
    Lambert-St Louis to Newark Airport from £2,185
    Lambert-St Louis to Dallas/Fort Worth Airport from £2,749

  • 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 £365 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 September; 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 £432 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.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.