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Cheap flights from Brighton to St. Louis from £298

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STL
26 Apr — 3 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Brighton to Lambert-St Louis are usually found in January or February, booked 48 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from Brighton to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Brighton to St. Louis
Explore the most affordable flight options available from Brighton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2026.

Fri 24/414:00
LGW
-
STL
1 stop15h 19m
Multiple Airlines
Fri 8/521:18
STL
-
LGW
2 stops30h 42m
Multiple Airlines
Deal found 25/3£576
Mon 20/412:15
LHR
-
STL
1 stop16h 02m
Finnair
Thu 30/412:27
STL
-
LHR
1 stop19h 58m
Finnair
Deal found 23/3£590
Mon 4/516:55
LHR
-
STL
1 stop22h 49m
Finnair
Mon 11/511:25
STL
-
LHR
2 stops14h 35m
Finnair
Deal found 24/3£593
Wed 22/418:05
LHR
-
STL
2 stops29h 07m
Finnair
Wed 29/418:11
STL
-
LHR
1 stop14h 14m
Finnair
Deal found 25/3£594
Tue 21/416:25
LHR
-
STL
Nonstop9h 05m
Multiple Airlines
Tue 28/418:11
STL
-
LHR
1 stop11h 59m
Multiple Airlines
Deal found 24/3£601
Wed 2/916:25
LHR
-
STL
Nonstop9h 05m
Multiple Airlines
Wed 23/915:33
STL
-
LHR
1 stop15h 17m
Multiple Airlines
Deal found 25/3£602
Wed 22/416:25
LHR
-
STL
Nonstop9h 05m
British Airways
Wed 29/421:35
STL
-
LHR
Nonstop8h 00m
British Airways
Deal found 25/3£604
Wed 15/414:00
LGW
-
STL
1 stop15h 19m
Multiple Airlines
Mon 8/617:27
STL
-
LGW
2 stops34h 33m
Multiple Airlines
Deal found 25/3£605
Tue 5/509:45
LHR
-
STL
1 stop12h 56m
Finnair
Tue 19/517:49
STL
-
LHR
2 stops21h 51m
Finnair
Deal found 22/3£612
Fri 8/514:00
LGW
-
STL
1 stop16h 21m
Multiple Airlines
Mon 11/517:27
STL
-
LGW
2 stops30h 53m
Multiple Airlines
Deal found 25/3£612
Wed 2/920:10
LHR
-
STL
2 stops22h 56m
Finnair
Wed 23/918:55
STL
-
LHR
2 stops20h 45m
Finnair
Deal found 24/3£613
Wed 9/916:25
LHR
-
STL
Nonstop9h 05m
American Airlines
Wed 16/915:33
STL
-
LHR
1 stop15h 17m
American Airlines
Deal found 24/3£614

Find flight deals from Brighton to St. Louis

Keep the following information in mind while searching for Brighton to St. Louis flight deals. Data was last updated 27 March 2026.

Round-trip from

£576

One-way from

£298

Popular in

August

Cheapest in

January

Average price

£690
24/4-8/5
  • 24/4-8/5
  • 3 total stops
  • 46h 01m total
  • Brighton to St. Louis
Search Deals
28/5
  • 28/5
  • 1 total stop
  • 16h 21m total
  • Brighton to St. Louis
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Brighton to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 March 2026.
Use the filters below to find and compare flights from Brighton to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 6/5

06:30-17:44

2 stops17h 14m

Lambert-St Louis

Wed 13/5

18:57-14:35

2 stops13h 38m

£633

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 2/9

09:55-20:31

2 stops16h 36m

Lambert-St Louis

Wed 23/9

19:05-14:35

2 stops13h 30m

£635

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Mon 11/5

10:45-17:16

1 stop12h 31m

Lambert-St Louis

Mon 18/5

10:19-07:10

1 stop14h 51m

£642
Fastest return journey

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Wed 6/5

11:15-17:44

1 stop12h 29m

Lambert-St Louis

Wed 13/5

10:19-07:10

1 stop14h 51m

£647

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 10/9

11:00-22:00

1 stop17h 00m

Lambert-St Louis

Mon 14/9

16:47-09:25

1 stop10h 38m

£659

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Thu 30/4

09:55-21:19

2 stops17h 24m

Lambert-St Louis

Thu 7/5

17:15-13:15

1 stop14h 00m

£663

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sat 2/5

08:40-20:44

2 stops18h 04m

Lambert-St Louis

Sun 10/5

19:01-14:35

2 stops13h 34m

£663

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 10/5

06:30-16:55

2 stops16h 25m

Lambert-St Louis

Sun 17/5

19:01-14:35

2 stops13h 34m

£665

LondonSt. Louis

LGW - STL

LGWSTL

London Gatwick

Sat 2/5

14:00-23:19

1 stop15h 19m

Lambert-St Louis

Sun 10/5

18:55-10:00

2 stops33h 05m

£668

LondonSt. Louis

LHR - STL

LHRSTL

London Heathrow

Sun 10/5

10:45-21:09

1 stop16h 24m

Lambert-St Louis

Sun 17/5

19:01-14:35

2 stops13h 34m

£679

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Brighton to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Brighton 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.

Cheapflights Insights

Everything you need to know about your flight from Brighton to St. Louis

How far ahead should I book a flight from Brighton to St. Louis?

Use this chart to determine the optimal time to book a return flight from Brighton to St. Louis. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from Brighton to St. Louis, you should look to book at least 48 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Brighton to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Brighton to St. Louis (average of £408). Flying from Brighton to St. Louis in December is currently the most expensive (average of £626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Brighton to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to 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 an airline for your flight to St. Louis. Reviews last updated 27 March 2026.
Get a feel of what it's like to fly with Finnair,Virgin Atlantic, andUnited Airlines from Brighton to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,374 reviews
Check prices

Food

6.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.7
Good
1,374 reviews
Finnair
7.7
Good
1,374 reviews
Check prices

Food

6.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Virgin Atlantic
7.5
Good
685 reviews
Finnair
7.7
Good
1,374 reviews
Check prices

Food

6.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,493 reviews
Finnair
7.7
Good
1,374 reviews
Check prices

Food

6.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Air Canada
7.1
Good
10,843 reviews
Finnair
7.7
Good
1,374 reviews
Check prices

Food

6.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,822 reviews
Finnair
7.7
Good
1,374 reviews
Check prices

Food

6.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from Brighton to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Brighton?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Brighton. Booking flights from Brighton to Lambert-St Louis (STL) should be relatively easy as there are 0 daily inbound flights from Brighton from 9 different airlines.

  • How long is the flight from Brighton to St. Louis?

    For as low as £635, Delta can have you in St. Louis from Brighton in 16h 36m. There are 4186 mi between Brighton and St. Louis. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Brighton to St. Louis one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £344. United Airlines flights start at £360 while deals on Finnair start at £363 one-way.

  • What are the most popular routes from Brighton to St. Louis?

    While some choose either London Gatwick - Lambert-St Louis or London Stansted - Lambert-St Louis, London Heathrow - Lambert-St Louis is the most popular route from Brighton to St. Louis.

  • What are the cheapest flights from Brighton to St. Louis?

    On average you can expect to pay £1,393 for a flight from Brighton to St. Louis. The cheapest flight overall is £584 while the most popular route, (London Heathrow - Lambert-St Louis) is currently priced at £602.

  • Can I find deals for flights from Brighton to St. Louis that include hotel bookings?

    Yes. In addition to deals on Brighton to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Brighton to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Brighton to St. Louis.

  • Can I find deals for business class flights from Brighton to St. Louis?

    Yes. Cheapflights offers flight deals from Brighton to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Brighton to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Brighton to St. Louis (average of £408). Flying from Brighton to St. Louis in December is currently the most expensive (average of £626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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.

Top 9 airlines flying from Brighton to St. Louis

Discover the top 9 airlines that operate flights from Brighton to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£174Average£770FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£475Average£739FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£481Average£759FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£522Average£829FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£558Average£780FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£599Average£728FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air CanadaCheapest£606Average£735FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£660Average£725FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LufthansaCheapest£663Average£805FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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 Brighton to St. Louis?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Brighton to St. Louis. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Brighton to St. Louis?

Millions of users choose and trust Cheapflights to book the best flight deals from Brighton to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Brighton to St. Louis with no change fees?

Yes! Cheapflights helps users easily find flights from Brighton to St. Louis with no change fees.

Can Cheapflights notify me if prices for flights from Brighton to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from Brighton to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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