Find flights
Airlines

£144+ 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 24/7. 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
20 Apr — 27 Apr1
1 adult

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 15 April 2025.

Cheapest round-trip flight

£438

Cheapest airline

Virgin Atlantic

Good round-trip deal

£530 or less

Good one-way deal

£137 or less
The cheapest round-trip flight from Lambert-St Louis is currently to Chicago O'Hare Intl.
On average, Virgin Atlantic currently has the cheapest one-way flight from Lambert-St Louis (avg. price of £590).
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 15 April 2025.

Tue 30/912:28STL - EDI
1 stop13h 57mUnited Airlines
Tue 14/1009:00EDI - STL
2 stops31h 34mUnited Airlines
Deal found 14/4£516
Wed 20/806:35STL - EDI
2 stops18h 45mAir Canada
Thu 4/909:00EDI - STL
2 stops31h 40mAir Canada
Deal found 14/4£524
Wed 14/515:40STL - LHR
1 stop13h 30mDelta
Wed 21/506:30LHR - STL
2 stops14h 30mDelta
Deal found 15/4£535
Tue 29/417:41STL - LGW
1 stop34h 19mMultiple Airlines
Fri 2/514:00LGW - STL
1 stop16h 14mMultiple Airlines
Deal found 15/4£535
Mon 12/513:30STL - EDI
2 stops21h 00mMultiple Airlines
Thu 22/509:00EDI - STL
2 stops40h 58mMultiple Airlines
Deal found 14/4£540
Sun 21/920:01STL - EDI
2 stops13h 34mBritish Airways
Tue 30/909:15EDI - STL
2 stops17h 08mBritish Airways
Deal found 14/4£541
Tue 19/811:51STL - LHR
1 stop12h 54mKLM
Thu 28/813:05LHR - STL
1 stop13h 42mKLM
Deal found 14/4£543
Tue 13/513:30STL - STN
3 stops25h 45mMultiple Airlines
Tue 20/516:40STN - STL
3 stops33h 18mMultiple Airlines
Deal found 15/4£546
Fri 9/513:30STL - LHR
1 stop14h 30mMultiple Airlines
Tue 13/510:30LHR - STL
2 stops15h 28mMultiple Airlines
Deal found 15/4£547
Wed 20/813:30STL - LHR
2 stops13h 05mAir Canada
Thu 28/809:30LHR - STL
1 stop16h 30mAir Canada
Deal found 14/4£551
Fri 8/816:00STL - MAN
1 stop12h 00mAir Canada
Wed 20/806:05MAN - STL
2 stops19h 55mAir Canada
Deal found 14/4£551
Wed 14/515:40STL - LHR
2 stops13h 45mVirgin Atlantic
Tue 17/609:20LHR - STL
1 stop12h 58mVirgin Atlantic
Deal found 14/4£552

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 15 April 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Tue 30/9

12:28-08:25

1 stop13h 57m

Edinburgh Turnhouse

Tue 14/10

09:00-10:34

2 stops31h 34m

£516

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Wed 20/8

06:35-07:20

2 stops18h 45m

Edinburgh Turnhouse

Thu 4/9

09:00-10:40

2 stops31h 40m

£524

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 14/5

15:40-11:10

1 stop13h 30m

London Heathrow

Wed 21/5

06:30-15:00

2 stops14h 30m

£535

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 29/4

17:41-10:00

1 stop34h 19m

London Gatwick

Fri 2/5

14:00-00:14

1 stop16h 14m

£535

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Mon 12/5

13:30-16:30

2 stops21h 00m

Edinburgh Turnhouse

Thu 22/5

09:00-19:58

2 stops40h 58m

£540

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

Sun 21/9

20:01-15:35

2 stops13h 34m

Edinburgh Turnhouse

Tue 30/9

09:15-20:23

2 stops17h 08m

£541

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 19/8

11:51-06:45

1 stop12h 54m

London Heathrow

Thu 28/8

13:05-20:47

1 stop13h 42m

£543

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 13/5

13:30-21:15

3 stops25h 45m

London Stansted

Tue 20/5

16:40-19:58

3 stops33h 18m

£546

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Fri 9/5

13:30-10:00

1 stop14h 30m

London Heathrow

Tue 13/5

10:30-19:58

2 stops15h 28m

£547

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 20/8

13:30-08:35

2 stops13h 05m

London Heathrow

Thu 28/8

09:30-20:00

1 stop16h 30m

£551

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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 11 April 2025.

Booking 56 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, October is the cheapest month in which you can book a flight from St. Louis (average of £464). Flying from St. Louis in June will prove the most costly (average of £684). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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.

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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 15 April 2025.
  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Atlanta, Boston, Cancún. Throughout the year, Cancún, Boston, 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 £92 to Atlanta (prices may vary depending on the airline and departure time). On average, users have booked flights for £531 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 Virgin Atlantic, Air Canada, and British Airways have the cheapest prices from St. Louis. Virgin Atlantic flights from St. Louis to London Heathrow (£503), Air Canada flights from St. Louis to London Heathrow (£508), and British Airways flights from St. Louis to London Heathrow (£509).

  • 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 Atlanta from £1,267
    Lambert-St Louis to Washington, D.C. Dulles Intl Airport from £1,298
    Lambert-St Louis to Chicago O'Hare Intl Airport from £1,316
    Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl Airport from £2,049

  • 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 £4,963 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 October; 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 £499 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.