£94+ Cheap flights from St. Louis

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/8. 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
3 Jul — 10 Jul1
1 adult
1 adult, Economy, 0 bags

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 3 June 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Mon 31/8

08:00-16:31

1 stop8h 31m

San Antonio

Wed 2/9

05:30-15:38

2 stops10h 08m

£256
Fastest return journey

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Wed 1/7

21:20-23:25

Nonstop2h 05m

San Antonio

Wed 8/7

15:35-17:45

Nonstop2h 10m

£295

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Tue 29/9

08:40-10:50

Nonstop2h 10m

San Antonio

Thu 1/10

07:25-09:30

Nonstop2h 05m

£303

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Thu 15/10

06:15-10:38

1 stop4h 23m

San Antonio

Sun 18/10

17:58-22:30

1 stop4h 32m

£307

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Thu 1/10

21:50-00:05

Nonstop2h 15m

San Antonio

Sun 4/10

05:40-07:45

Nonstop2h 05m

£334

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Thu 8/10

08:30-10:45

Nonstop2h 15m

San Antonio

Sun 11/10

15:50-21:00

1 stop5h 10m

£334

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Sat 1/8

18:45-20:55

Nonstop2h 10m

San Antonio

Sat 8/8

07:20-09:25

Nonstop2h 05m

£334

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Thu 17/9

08:00-16:31

1 stop8h 31m

San Antonio

Sun 20/9

05:30-15:38

2 stops10h 08m

£339

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Fri 24/7

08:10-10:15

Nonstop2h 05m

San Antonio

Sun 26/7

05:20-09:00

1 stop3h 40m

£355

St. LouisManchester

STL - MAN

STLMAN

Lambert-St Louis

Mon 5/10

17:36-06:30

2 stops30h 54m

Manchester

Thu 8/10

06:05-21:24

2 stops21h 19m

£593

Flights are sorted by cheapest return flights first.

Deals found on 29/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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.

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 £490). Flying from St. Louis in June will prove the most costly (average of £1,052). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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

Booking 49 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.

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 Virgin Atlantic and British Airways. 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.

Overall

7.5

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.5

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Overall

7.5

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.5

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Overall

7.5

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.5

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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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 3 June 2026.
  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Denver, Atlanta, 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 £93 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for £342 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, British Airways, and Lufthansa have the cheapest prices from St. Louis. Virgin Atlantic flights from St. Louis to London Heathrow (£409), British Airways flights from St. Louis to London Heathrow (£431), and Lufthansa flights from St. Louis to Hyderabad Rajiv Gandhi Intl (£1,045).

  • 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 Frankfurt am Main Airport from £1,757
    Lambert-St Louis to Dallas/Fort Worth Airport from £2,724

  • 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 £361 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 £594 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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