Find flight deals from Heathrow to St. Louis

Cheapest flights from Heathrow to St. Louis
Explore the most affordable flight options available from Heathrow to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 August 2025.

Sat 30/817:00LHR - STL

2 stops35h 02mScandinavian Airlines

Fri 12/913:26STL - LHR

2 stops20h 34mScandinavian Airlines

Deal found 1/8£637

Wed 3/906:40LHR - STL

2 stops21h 22mScandinavian Airlines

Wed 24/915:36STL - LHR

2 stops20h 54mScandinavian Airlines

Deal found 30/7£639

Mon 15/919:30LHR - STL

2 stops32h 30mScandinavian Airlines

Mon 22/913:26STL - LHR

2 stops20h 34mScandinavian Airlines

Deal found 1/8£651

Mon 29/919:30LHR - STL

2 stops32h 30mScandinavian Airlines

Wed 8/1013:30STL - LHR

2 stops23h 00mScandinavian Airlines

Deal found 29/7£663

Wed 3/909:30LHR - STL

2 stops20h 14mUnited Airlines

Wed 24/906:00STL - LHR

1 stop17h 55mUnited Airlines

Deal found 1/8£668

Wed 3/907:05LHR - STL

3 stops20h 57mScandinavian Airlines

Wed 24/913:26STL - LHR

2 stops23h 04mScandinavian Airlines

Deal found 1/8£669

Thu 16/1018:40LHR - STL

2 stops35h 01mScandinavian Airlines

Tue 21/1015:59STL - LHR

2 stops19h 41mScandinavian Airlines

Deal found 30/7£671

Wed 3/906:40LHR - STL

3 stops21h 22mScandinavian Airlines

Wed 24/913:26STL - LHR

2 stops23h 04mScandinavian Airlines

Deal found 1/8£672

Wed 3/907:05LHR - STL

3 stops20h 57mScandinavian Airlines

Wed 24/915:36STL - LHR

2 stops20h 54mScandinavian Airlines

Deal found 31/7£674

Wed 3/906:40LHR - STL

3 stops21h 22mScandinavian Airlines

Wed 24/913:26STL - LHR

2 stops23h 04mScandinavian Airlines

Deal found 30/7£679

Wed 26/1106:30LHR - STL

1 stop13h 25mLufthansa

Sun 30/1118:43STL - LHR

1 stop10h 32mLufthansa

Deal found 31/7£691

Mon 15/906:50LHR - STL

2 stops14h 28mAir Canada

Mon 22/913:30STL - LHR

1 stop14h 05mAir Canada

Deal found 1/8£695

Best flights from Heathrow to St. Louis
Discover carefully curated flight deals from Heathrow to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 August 2025.

Sat 30/817:00LHR - STL

2 stops35h 02mScandinavian Airlines

Fri 12/913:26STL - LHR

2 stops20h 34mScandinavian Airlines

Deal found 1/8£637

Wed 3/909:30LHR - STL

2 stops20h 14mUnited Airlines

Wed 24/906:00STL - LHR

1 stop17h 55mUnited Airlines

Deal found 1/8£668

Wed 26/1106:30LHR - STL

1 stop13h 25mLufthansa

Sun 30/1118:43STL - LHR

1 stop10h 32mLufthansa

Deal found 31/7£691

Mon 15/906:50LHR - STL

2 stops14h 28mAir Canada

Mon 22/913:30STL - LHR

1 stop14h 05mAir Canada

Deal found 1/8£695

Wed 3/910:30LHR - STL

2 stops15h 27mMultiple Airlines

Wed 24/913:30STL - LHR

1 stop14h 05mMultiple Airlines

Deal found 1/8£696

Mon 15/912:15LHR - STL

1 stop13h 07mFinnair

Mon 22/916:55STL - LHR

1 stop11h 25mFinnair

Deal found 1/8£702

Wed 17/909:55LHR - STL

2 stops19h 14mVirgin Atlantic

Sat 20/915:55STL - LHR

1 stop33h 20mVirgin Atlantic

Deal found 31/7£729

Wed 3/906:40LHR - STL

2 stops21h 22mScandinavian Airlines

Wed 24/915:36STL - LHR

2 stops20h 54mScandinavian Airlines

Deal found 30/7£639

Mon 1/906:50LHR - STL

2 stops14h 31mAir Canada

Mon 15/913:30STL - LHR

1 stop14h 05mAir Canada

Deal found 1/8£697

Thu 18/920:05LHR - STL

2 stops29h 33mMultiple Airlines

Sun 21/912:35STL - LHR

1 stop11h 45mMultiple Airlines

Deal found 1/8£698

Sat 30/809:00LHR - STL

2 stops18h 32mUnited Airlines

Fri 12/917:30STL - LHR

1 stop12h 15mUnited Airlines

Deal found 1/8£699

Mon 15/919:30LHR - STL

2 stops32h 30mScandinavian Airlines

Mon 22/913:26STL - LHR

2 stops20h 34mScandinavian Airlines

Deal found 1/8£651

Last-minute flights from Heathrow to St. Louis
Discover last-minute flight deals from Heathrow to St. Louis. Data last updated 2 August 2025 and is based on user searches.

Thu 7/806:50LHR - STL

2 stops14h 57mUnited Airlines

Sun 10/818:15STL - LHR

1 stop31h 25mUnited Airlines

Deal found 31/7£789

Thu 7/806:50LHR - STL

2 stops14h 57mUnited Airlines

Sun 10/816:00STL - LHR

2 stops23h 00mUnited Airlines

Deal found 31/7£795

Thu 7/809:30LHR - STL

1 stop16h 30mAir Canada

Sun 10/816:00STL - LHR

1 stop32h 35mAir Canada

Deal found 31/7£805

Fri 8/814:05LHR - STL

1 stop11h 55mAir Canada

Wed 20/813:30STL - LHR

1 stop11h 00mAir Canada

Deal found 31/7£826

Fri 8/809:30LHR - STL

2 stops16h 15mAir Canada

Mon 18/813:30STL - LHR

1 stop14h 30mAir Canada

Deal found 31/7£884

Fri 8/814:05LHR - STL

1 stop11h 55mAir Canada

Wed 20/809:15STL - LHR

2 stops15h 15mAir Canada

Deal found 31/7£886

Fri 8/809:30LHR - STL

2 stops16h 15mAir Canada

Wed 20/809:15STL - LHR

2 stops15h 15mAir Canada

Deal found 31/7£892

Sat 9/814:10LHR - STL

1 stop13h 25mUnited Airlines

Fri 22/813:39STL - LHR

1 stop14h 01mUnited Airlines

Deal found 1/8£888

Sat 9/809:30LHR - STL

2 stops16h 15mAir Canada

Fri 22/813:30STL - LHR

1 stop14h 30mAir Canada

Deal found 1/8£889

Sat 9/809:30LHR - STL

1 stop16h 30mUnited Airlines

Mon 25/817:30STL - LHR

1 stop12h 15mUnited Airlines

Deal found 30/7£892

Mon 11/811:25LHR - STL

1 stop16h 25mUnited Airlines

Wed 20/813:30STL - LHR

1 stop14h 30mUnited Airlines

Deal found 31/7£845

Mon 11/816:40LHR - STL

1 stop32h 20mLufthansa

Sat 6/912:35STL - LHR

1 stop11h 45mLufthansa

Deal found 30/7£888

One-way flights from Heathrow to St. Louis
Search for one-way flight options from Heathrow to St. Louis. Find affordable one-way fares based on user searches. Data last updated 2 August 2025.

Wed 7/106:30LHR - STL

1 stop13h 25mLufthansa

Deal found 1/8£622

Wed 12/1112:25LHR - STL

1 stop26h 42mMultiple Airlines

Deal found 1/8£633

Sun 10/819:50LHR - STL

3 stops57h 57mMultiple Airlines

Deal found 30/7£650

Wed 29/1006:30LHR - STL

1 stop13h 25mLufthansa

Deal found 31/7£651

Tue 14/1009:25LHR - STL

1 stop20h 38mMultiple Airlines

Deal found 31/7£661

Thu 7/807:05LHR - STL

3 stops32h 47mMultiple Airlines

Deal found 30/7£662

Tue 19/813:35LHR - STL

1 stop25h 36mMultiple Airlines

Deal found 1/8£665

Wed 24/914:10LHR - STL

1 stop13h 22mLufthansa

Deal found 30/7£679

Sun 10/819:50LHR - STL

3 stops50h 41mMultiple Airlines

Deal found 31/7£680

Thu 21/816:00LHR - STL

1 stop13h 44mLufthansa

Deal found 31/7£681

Sat 3/120:45LHR - STL

2 stops31h 17mAer Lingus

Deal found 30/7£682

Tue 16/1214:50LHR - STL

2 stops28h 07mWestJet

Deal found 1/8£688

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Cheap flights from London Heathrow Airport to St. Louis – Compare and Save

Find flight deals from Heathrow to St. Louis

Cheapest flights from Heathrow to St. LouisExplore the most affordable flight options available from Heathrow to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 August 2025.

Explore the most affordable flight options available from Heathrow to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 August 2025.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Heathrow to St. Louis
Explore the most affordable flight options available from Heathrow to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 August 2025.