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£75+ 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 6/1. 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
27 joulu — 3 tammi1
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 27 marraskuu 2025.

Cheapest airline

British Airways

Good round-trip deal

£130 or less

Good one-way deal

£229 or less
On average, British Airways currently has the cheapest one-way flight from Lambert-St Louis (avg. price of £665).
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Price to beat on a round-trip flight from Lambert-St Louis.
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Price to beat on a one-way flight from Lambert-St Louis.
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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 27 marraskuu 2025.

ma 9/218:44STL - LIN
2 stops16h 01mBritish Airways
ti 17/211:25LIN - STL
2 stops17h 44mBritish Airways
Deal found 26/11£348
su 8/217:04STL - LIN
2 stops19h 31mDelta
ke 18/209:45LIN - STL
2 stops20h 51mDelta
Deal found 25/11£364
ti 10/210:19STL - LIN
2 stops17h 56mDelta
ke 18/212:20LIN - STL
2 stops18h 16mDelta
Deal found 25/11£370
la 7/213:00STL - LIN
2 stops15h 15mDelta
to 19/206:30LIN - STL
2 stops18h 12mDelta
Deal found 25/11£371
su 8/208:30STL - LIN
2 stops20h 25mUnited Airlines
ma 16/206:15LIN - STL
2 stops23h 44mUnited Airlines
Deal found 25/11£373
la 7/207:10STL - LIN
2 stops21h 05mDelta
la 14/210:55LIN - STL
2 stops16h 48mDelta
Deal found 25/11£374
ti 10/208:30STL - LIN
2 stops20h 25mUnited Airlines
to 19/206:00LIN - STL
2 stops21h 23mUnited Airlines
Deal found 25/11£375
ke 14/115:50STL - LIN
1 stop11h 15mLufthansa
ke 21/106:10LIN - STL
1 stop14h 45mLufthansa
Deal found 25/11£378
la 7/213:00STL - LIN
2 stops15h 15mDelta
ma 16/213:00LIN - STL
2 stops27h 06mDelta
Deal found 25/11£380
ke 11/217:04STL - LIN
2 stops15h 51mDelta
ti 17/210:55LIN - STL
2 stops16h 48mDelta
Deal found 25/11£385
ti 5/522:00STL - EDI
1 stop11h 45mBritish Airways
ke 13/510:35EDI - STL
1 stop14h 55mBritish Airways
Deal found 25/11£420
ma 2/314:19STL - EDI
2 stops16h 56mBritish Airways
ma 16/319:20EDI - STL
2 stops33h 28mBritish Airways
Deal found 25/11£426

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

Fly to

Heathrow

Route

Depart

Return

Price

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

ti 10/2

10:19-11:15

2 stops17h 56m

Milan Linate

to 19/2

06:30-20:43

2 stops21h 13m

£364

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

su 8/2

17:04-19:35

2 stops19h 31m

Milan Linate

ke 18/2

09:45-23:36

2 stops20h 51m

£364

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

ti 10/2

10:19-11:15

2 stops17h 56m

Milan Linate

ke 18/2

12:20-23:36

2 stops18h 16m

£370

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

la 7/2

13:00-11:15

2 stops15h 15m

Milan Linate

ke 18/2

09:45-23:36

2 stops20h 51m

£371

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

la 7/2

13:00-11:15

2 stops15h 15m

Milan Linate

ti 17/2

06:30-23:36

2 stops24h 06m

£371

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

pe 6/2

09:45-13:55

2 stops21h 10m

Milan Linate

ti 17/2

10:55-20:43

2 stops16h 48m

£373

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

su 8/2

15:11-11:55

2 stops13h 44m

Milan Linate

to 19/2

06:00-22:00

2 stops23h 00m

£374

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

su 8/2

15:11-11:55

2 stops13h 44m

Milan Linate

ma 16/2

06:15-21:00

2 stops21h 45m

£374

St. LouisMilan

STL - LIN

STLLIN

Lambert-St Louis

ma 9/2

06:25-08:45

2 stops19h 20m

Milan Linate

to 19/2

10:55-20:43

2 stops16h 48m

£374

St. LouisEdinburgh

STL - EDI

STLEDI

Lambert-St Louis

ti 5/5

11:14-10:05

2 stops16h 51m

Edinburgh Turnhouse

ke 13/5

10:35-19:30

1 stop14h 55m

£436

Flights are sorted by cheapest return flights first.

Deals found on 26/11

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 21 November 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 £401). Flying from St. Louis in June will prove the most costly (average of £758). 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
From £382
British Airways
British Airways
From £439
KLM
KLM
From £373
Air Canada
Air Canada
From £443

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 (689 flights per day), Detroit (168 flights per day) and Atlanta (155 flights per day).

Dallas/Fort Worth
Dallas/Fort Worth
From £286
Tampa
Tampa
From £295
Miami
Miami
From £350
Los Angeles
Los Angeles
From £130

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 £72. Explore other affordable destinations below.

Detroit
Detroit
From £72
Los Angeles
Los Angeles
From £130
Montreal
Montreal
From £284
Dallas/Fort Worth
Dallas/Fort Worth
From £286

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
1,423 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.2

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.2

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.2

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air Canada
7.1
Good
10,481 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.2

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,539 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.6

Food

7.2

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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Book a direct flight from one of these other cities located in Missouri.
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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 27 marraskuu 2025.

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

    This month, the top selected destinations from St. Louis are Denver, Cancún, 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 £72 to Detroit Metropolitan Wayne County Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £738 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 (£373), Virgin Atlantic flights from St. Louis to London Heathrow (£382), and British Airways flights from St. Louis to London Heathrow (£439).

  • 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 £1,294
    Lambert-St Louis to Frankfurt am Main Airport from £1,788
    Lambert-St Louis to Newark Airport from £2,205
    Lambert-St Louis to Dallas/Fort Worth Airport from £2,774

  • 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 £368 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 £431 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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