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£140+ 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 1/4. 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
25 Feb — 4 Mar1
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 20 February 2025.

Cheapest airline

Virgin Atlantic

Good round-trip deal

£565 or less

Good one-way deal

£97 or less
On average, Virgin Atlantic currently has the cheapest one-way flight from Lambert-St Louis (avg. price of £614).
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 20 February 2025.

Tue 18/316:26STL - GLA
2 stops15h 29mBritish Airways
Tue 25/309:50GLA - STL
2 stops17h 28mBritish Airways
Deal found 19/2£512
Sun 27/407:10STL - MAN
2 stops18h 35mDelta
Wed 7/514:00MAN - STL
2 stops25h 31mDelta
Deal found 19/2£524
Sat 26/418:00STL - MAN
2 stops40h 05mBritish Airways
Tue 6/507:55MAN - STL
2 stops19h 57mBritish Airways
Deal found 19/2£537
Sat 26/417:33STL - MAN
2 stops41h 52mUnited Airlines
Tue 6/505:55MAN - STL
2 stops20h 06mUnited Airlines
Deal found 19/2£541
Tue 15/412:51STL - LHR
1 stop11h 54mDelta
Tue 29/406:30LHR - STL
2 stops14h 02mDelta
Deal found 19/2£546
Wed 5/312:52STL - LHR
2 stops22h 48mScandinavian Airlines
Mon 10/306:40LHR - STL
2 stops21h 51mScandinavian Airlines
Deal found 19/2£548
Tue 4/318:00STL - LHR
1 stop10h 00mBritish Airways
Wed 9/420:00LHR - STL
2 stops32h 12mBritish Airways
Deal found 18/2£548
Mon 7/415:40STL - LHR
2 stops13h 00mUnited Airlines
Tue 15/408:30LHR - STL
2 stops17h 34mUnited Airlines
Deal found 19/2£550
Sat 26/417:33STL - MAN
2 stops34h 57mLufthansa
Wed 7/506:05MAN - STL
1 stop13h 25mLufthansa
Deal found 19/2£551
Wed 5/314:21STL - LHR
1 stop11h 29mAmerican Airlines
Wed 12/310:15LHR - STL
1 stop15h 26mAmerican Airlines
Deal found 19/2£556
Tue 15/413:12STL - LHR
2 stops13h 23mMultiple Airlines
Tue 29/417:40LHR - STL
2 stops32h 21mMultiple Airlines
Deal found 19/2£556
Thu 1/507:30STL - LHR
2 stops17h 00mAir Canada
Tue 6/514:05LHR - STL
2 stops28h 14mAir Canada
Deal found 19/2£575

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

Fly to

Heathrow

Route

Depart

Return

Price

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Tue 18/3

16:26-12:55

2 stops15h 29m

Glasgow Intl

Tue 25/3

09:50-22:18

2 stops17h 28m

£512

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Sun 27/4

07:10-07:45

2 stops18h 35m

Manchester

Wed 7/5

14:00-09:31

2 stops25h 31m

£524

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Sat 26/4

18:00-16:05

2 stops40h 05m

Manchester

Tue 6/5

07:55-21:52

2 stops19h 57m

£537

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Sat 26/4

17:33-17:25

2 stops41h 52m

Manchester

Tue 6/5

05:55-20:01

2 stops20h 06m

£541

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 15/4

12:51-06:45

1 stop11h 54m

London Heathrow

Tue 29/4

06:30-14:32

2 stops14h 02m

£546

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 5/3

12:52-17:40

2 stops22h 48m

London Heathrow

Mon 10/3

06:40-23:31

2 stops21h 51m

£548

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 4/3

18:00-10:00

1 stop10h 00m

London Heathrow

Wed 9/4

20:00-22:12

2 stops32h 12m

£548

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 7/4

15:40-10:40

2 stops13h 00m

London Heathrow

Tue 15/4

08:30-20:04

2 stops17h 34m

£550

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Sat 26/4

17:33-10:30

2 stops34h 57m

Manchester

Wed 7/5

06:05-13:30

1 stop13h 25m

£551

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Wed 5/3

14:21-07:50

1 stop11h 29m

London Heathrow

Wed 12/3

10:15-20:41

1 stop15h 26m

£556

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 60 results
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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 14 February 2025.

Booking 59 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 £477). Flying from St. Louis in June will prove the most costly (average of £714). 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.

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

Food

7.3

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

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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 20 February 2025.
  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Cancún, Atlanta, Mumbai. 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 £66 to Chicago O'Hare Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £435 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, United Airlines, and American Airlines have the cheapest prices from St. Louis. Virgin Atlantic flights from St. Louis to London Heathrow (£498), United Airlines flights from St. Louis to London Heathrow (£541), and American Airlines flights from St. Louis to London Heathrow (£548).

  • 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 £1,324
    Lambert-St Louis to Chicago O'Hare Intl Airport from £1,375
    Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl Airport from £2,140
    Lambert-St Louis to Newark Airport from £2,310

  • 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 £4,180 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 £518 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

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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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