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Saint Louis → London

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STL → LHR1 adulteconomy

18 flight options · 3 airlines

Round-trip flights

Fri, Nov 27 – Fri, Dec 4

American Airlines
4:15 pmSTL
11h
BOS · 1h 35m
9:15 am+1LHR
American Airlines
12:35 pmLHR
13h 17m
ORD · 2h 44m
7:52 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
6:50 pmSTL
11h 10m
ORD · 1h 31m
12:00 pm+1LHR
United Airlines
7:40 amLHR
12h 38m
ORD · 2h 5m
2:18 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
2:33 pmSTL
11h 17m
ATL · 1h 35m
7:50 am+1LHR
Delta Air Lines
9:50 amLHR
12h 40m
MSP · 2h 8m
4:30 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
4:15 pmSTL
11h
BOS · 1h 35m
9:15 am+1LHR
American Airlines
12:35 pmLHR
13h 17m
ORD · 2h 44m
7:52 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
1:17 pmSTL
11h 18m
PHL · 2h 2m
6:35 am+1LHR
American Airlines
12:35 pmLHR
13h 17m
ORD · 2h 44m
7:52 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
1:17 pmSTL
11h 18m
PHL · 2h 2m
6:35 am+1LHR
American Airlines
12:35 pmLHR
13h 17m
ORD · 2h 44m
7:52 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
6:50 pmSTL
11h 10m
ORD · 1h 31m
12:00 pm+1LHR
United Airlines
7:40 amLHR
12h 38m
ORD · 2h 5m
2:18 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
1:25 pmSTL
11h 15m
IAD · 1h 45m
6:40 am+1LHR
United Airlines
7:40 amLHR
12h 38m
ORD · 2h 5m
2:18 pmSTL

Round-trip total · 1 adult · Taxes included

Show 4 more flights

Fri, Nov 27 – Fri, Dec 4

United Airlines
1:25 pmSTL
11h 15m
IAD · 1h 45m
6:40 am+1LHR
United Airlines
7:40 amLHR
12h 38m
ORD · 2h 5m
2:18 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
2:21 pmSTL
10h 29m
DTW · 1h 25m
6:50 am+1LHR
Delta Air Lines
9:50 amLHR
12h 40m
MSP · 2h 8m
4:30 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
2:21 pmSTL
10h 29m
DTW · 1h 25m
6:50 am+1LHR
Delta Air Lines
9:50 amLHR
12h 40m
MSP · 2h 8m
4:30 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
2:33 pmSTL
11h 17m
ATL · 1h 35m
7:50 am+1LHR
Delta Air Lines
9:50 amLHR
12h 40m
MSP · 2h 8m
4:30 pmSTL

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

American Airlines
4:15 pmSTL
11h
BOS · 1h 35m
9:15 am+1LHR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
6:50 pmSTL
11h 10m
ORD · 1h 31m
12:00 pm+1LHR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
2:21 pmSTL
10h 29m
DTW · 1h 25m
6:50 am+1LHR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
1:17 pmSTL
11h 18m
PHL · 2h 2m
6:35 am+1LHR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
1:25 pmSTL
11h 15m
IAD · 1h 45m
6:40 am+1LHR

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
2:33 pmSTL
11h 17m
ATL · 1h 35m
7:50 am+1LHR

One-way total · 1 adult · Taxes included

Make this trip yours

STL ⇄ LHR

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, American Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one wayAmerican AirlinesAA4801 + BA202$540.002026-10-29T01:28:42Z
2026-11-20 · one wayUnited AirlinesUA1251 + UA938$550.002026-10-29T01:28:42Z
2026-11-20 · one wayDelta Air LinesDL1371 + DL16$560.002026-10-29T01:28:42Z
2026-11-27 → 2026-12-04American AirlinesAA4801 + BA202 / AA87 + AA4372$810.002026-10-29T01:28:42Z
2026-11-20 → 2026-11-23United AirlinesUA1251 + UA938 / UA958 + UA4619$830.002026-10-29T01:28:42Z
2026-11-20 → 2026-11-23Delta Air LinesDL1102 + DL30 / DL9 + DL1839$850.002026-10-29T01:28:42Z
2026-11-20 · one wayAmerican AirlinesAA5477 + BA66$540.002026-10-29T01:28:42Z
2026-11-20 · one wayUnited AirlinesUA3495 + UA918$550.002026-10-29T01:28:42Z
2026-11-20 · one wayDelta Air LinesDL1102 + DL30$560.002026-10-29T01:28:42Z
2026-11-20 → 2026-11-23American AirlinesAA4801 + BA202 / AA87 + AA4372$810.002026-10-29T01:28:42Z
2026-11-20 → 2026-11-23American AirlinesAA5477 + BA66 / AA87 + AA4372$810.002026-10-29T01:28:42Z
2026-11-27 → 2026-12-04American AirlinesAA5477 + BA66 / AA87 + AA4372$810.002026-10-29T01:28:42Z
2026-11-27 → 2026-12-04United AirlinesUA1251 + UA938 / UA958 + UA4619$830.002026-10-29T01:28:42Z
2026-11-20 → 2026-11-23United AirlinesUA3495 + UA918 / UA958 + UA4619$830.002026-10-29T01:28:42Z
2026-11-27 → 2026-12-04United AirlinesUA3495 + UA918 / UA958 + UA4619$830.002026-10-29T01:28:42Z
2026-11-20 → 2026-11-23Delta Air LinesDL1371 + DL16 / DL9 + DL1839$850.002026-10-29T01:28:42Z
2026-11-27 → 2026-12-04Delta Air LinesDL1371 + DL16 / DL9 + DL1839$850.002026-10-29T01:28:42Z
2026-11-27 → 2026-12-04Delta Air LinesDL1102 + DL30 / DL9 + DL1839$850.002026-10-29T01:28:42Z

2026-11-20 · one way · $540.00

  • American Airlines AA4801 / BA202: STL 2026-11-20 16:15:00 → LHR 2026-11-21 09:15:00; 1 stop(s) via BOS; 660 minutes. Local airport times.
    • AA4801: STL 2026-11-20 16:15:00 → BOS 2026-11-20 19:55:00; layover at BOS: 95 minutes.
    • BA202: BOS 2026-11-20 21:30:00 → LHR 2026-11-21 09:15:00.

2026-11-20 · one way · $550.00

  • United Airlines UA1251 / UA938: STL 2026-11-20 18:50:00 → LHR 2026-11-21 12:00:00; 1 stop(s) via ORD; 670 minutes. Local airport times.
    • UA1251: STL 2026-11-20 18:50:00 → ORD 2026-11-20 20:19:00; layover at ORD: 91 minutes.
    • UA938: ORD 2026-11-20 21:50:00 → LHR 2026-11-21 12:00:00.

2026-11-20 · one way · $560.00

  • Delta Air Lines DL1371 / DL16: STL 2026-11-20 14:21:00 → LHR 2026-11-21 06:50:00; 1 stop(s) via DTW; 629 minutes. Local airport times.
    • DL1371: STL 2026-11-20 14:21:00 → DTW 2026-11-20 16:55:00; layover at DTW: 85 minutes.
    • DL16: DTW 2026-11-20 18:20:00 → LHR 2026-11-21 06:50:00.

2026-11-27 → 2026-12-04 · $810.00

  • American Airlines AA4801 / BA202: STL 2026-11-27 16:15:00 → LHR 2026-11-28 09:15:00; 1 stop(s) via BOS; 660 minutes. Local airport times.
    • AA4801: STL 2026-11-27 16:15:00 → BOS 2026-11-27 19:55:00; layover at BOS: 95 minutes.
    • BA202: BOS 2026-11-27 21:30:00 → LHR 2026-11-28 09:15:00.
  • American Airlines AA87 / AA4372: LHR 2026-12-04 12:35:00 → STL 2026-12-04 19:52:00; 1 stop(s) via ORD; 797 minutes. Local airport times.
    • AA87: LHR 2026-12-04 12:35:00 → ORD 2026-12-04 15:35:00; layover at ORD: 164 minutes.
    • AA4372: ORD 2026-12-04 18:19:00 → STL 2026-12-04 19:52:00.

2026-11-20 → 2026-11-23 · $830.00

  • United Airlines UA1251 / UA938: STL 2026-11-20 18:50:00 → LHR 2026-11-21 12:00:00; 1 stop(s) via ORD; 670 minutes. Local airport times.
    • UA1251: STL 2026-11-20 18:50:00 → ORD 2026-11-20 20:19:00; layover at ORD: 91 minutes.
    • UA938: ORD 2026-11-20 21:50:00 → LHR 2026-11-21 12:00:00.
  • United Airlines UA958 / UA4619: LHR 2026-11-23 07:40:00 → STL 2026-11-23 14:18:00; 1 stop(s) via ORD; 758 minutes. Local airport times.
    • UA958: LHR 2026-11-23 07:40:00 → ORD 2026-11-23 10:45:00; layover at ORD: 125 minutes.
    • UA4619: ORD 2026-11-23 12:50:00 → STL 2026-11-23 14:18:00.

2026-11-20 → 2026-11-23 · $850.00

  • Delta Air Lines DL1102 / DL30: STL 2026-11-20 14:33:00 → LHR 2026-11-21 07:50:00; 1 stop(s) via ATL; 677 minutes. Local airport times.
    • DL1102: STL 2026-11-20 14:33:00 → ATL 2026-11-20 17:05:00; layover at ATL: 95 minutes.
    • DL30: ATL 2026-11-20 18:40:00 → LHR 2026-11-21 07:50:00.
  • Delta Air Lines DL9 / DL1839: LHR 2026-11-23 09:50:00 → STL 2026-11-23 16:30:00; 1 stop(s) via MSP; 760 minutes. Local airport times.
    • DL9: LHR 2026-11-23 09:50:00 → MSP 2026-11-23 12:47:00; layover at MSP: 128 minutes.
    • DL1839: MSP 2026-11-23 14:55:00 → STL 2026-11-23 16:30:00.

2026-11-20 · one way · $540.00

  • American Airlines AA5477 / BA66: STL 2026-11-20 13:17:00 → LHR 2026-11-21 06:35:00; 1 stop(s) via PHL; 678 minutes. Local airport times.
    • AA5477: STL 2026-11-20 13:17:00 → PHL 2026-11-20 16:33:00; layover at PHL: 122 minutes.
    • BA66: PHL 2026-11-20 18:35:00 → LHR 2026-11-21 06:35:00.

2026-11-20 · one way · $550.00

  • United Airlines UA3495 / UA918: STL 2026-11-20 13:25:00 → LHR 2026-11-21 06:40:00; 1 stop(s) via IAD; 675 minutes. Local airport times.
    • UA3495: STL 2026-11-20 13:25:00 → IAD 2026-11-20 16:35:00; layover at IAD: 105 minutes.
    • UA918: IAD 2026-11-20 18:20:00 → LHR 2026-11-21 06:40:00.

2026-11-20 · one way · $560.00

  • Delta Air Lines DL1102 / DL30: STL 2026-11-20 14:33:00 → LHR 2026-11-21 07:50:00; 1 stop(s) via ATL; 677 minutes. Local airport times.
    • DL1102: STL 2026-11-20 14:33:00 → ATL 2026-11-20 17:05:00; layover at ATL: 95 minutes.
    • DL30: ATL 2026-11-20 18:40:00 → LHR 2026-11-21 07:50:00.

2026-11-20 → 2026-11-23 · $810.00

  • American Airlines AA4801 / BA202: STL 2026-11-20 16:15:00 → LHR 2026-11-21 09:15:00; 1 stop(s) via BOS; 660 minutes. Local airport times.
    • AA4801: STL 2026-11-20 16:15:00 → BOS 2026-11-20 19:55:00; layover at BOS: 95 minutes.
    • BA202: BOS 2026-11-20 21:30:00 → LHR 2026-11-21 09:15:00.
  • American Airlines AA87 / AA4372: LHR 2026-11-23 12:35:00 → STL 2026-11-23 19:52:00; 1 stop(s) via ORD; 797 minutes. Local airport times.
    • AA87: LHR 2026-11-23 12:35:00 → ORD 2026-11-23 15:35:00; layover at ORD: 164 minutes.
    • AA4372: ORD 2026-11-23 18:19:00 → STL 2026-11-23 19:52:00.

2026-11-20 → 2026-11-23 · $810.00

  • American Airlines AA5477 / BA66: STL 2026-11-20 13:17:00 → LHR 2026-11-21 06:35:00; 1 stop(s) via PHL; 678 minutes. Local airport times.
    • AA5477: STL 2026-11-20 13:17:00 → PHL 2026-11-20 16:33:00; layover at PHL: 122 minutes.
    • BA66: PHL 2026-11-20 18:35:00 → LHR 2026-11-21 06:35:00.
  • American Airlines AA87 / AA4372: LHR 2026-11-23 12:35:00 → STL 2026-11-23 19:52:00; 1 stop(s) via ORD; 797 minutes. Local airport times.
    • AA87: LHR 2026-11-23 12:35:00 → ORD 2026-11-23 15:35:00; layover at ORD: 164 minutes.
    • AA4372: ORD 2026-11-23 18:19:00 → STL 2026-11-23 19:52:00.

2026-11-27 → 2026-12-04 · $810.00

  • American Airlines AA5477 / BA66: STL 2026-11-27 13:17:00 → LHR 2026-11-28 06:35:00; 1 stop(s) via PHL; 678 minutes. Local airport times.
    • AA5477: STL 2026-11-27 13:17:00 → PHL 2026-11-27 16:33:00; layover at PHL: 122 minutes.
    • BA66: PHL 2026-11-27 18:35:00 → LHR 2026-11-28 06:35:00.
  • American Airlines AA87 / AA4372: LHR 2026-12-04 12:35:00 → STL 2026-12-04 19:52:00; 1 stop(s) via ORD; 797 minutes. Local airport times.
    • AA87: LHR 2026-12-04 12:35:00 → ORD 2026-12-04 15:35:00; layover at ORD: 164 minutes.
    • AA4372: ORD 2026-12-04 18:19:00 → STL 2026-12-04 19:52:00.

2026-11-27 → 2026-12-04 · $830.00

  • United Airlines UA1251 / UA938: STL 2026-11-27 18:50:00 → LHR 2026-11-28 12:00:00; 1 stop(s) via ORD; 670 minutes. Local airport times.
    • UA1251: STL 2026-11-27 18:50:00 → ORD 2026-11-27 20:19:00; layover at ORD: 91 minutes.
    • UA938: ORD 2026-11-27 21:50:00 → LHR 2026-11-28 12:00:00.
  • United Airlines UA958 / UA4619: LHR 2026-12-04 07:40:00 → STL 2026-12-04 14:18:00; 1 stop(s) via ORD; 758 minutes. Local airport times.
    • UA958: LHR 2026-12-04 07:40:00 → ORD 2026-12-04 10:45:00; layover at ORD: 125 minutes.
    • UA4619: ORD 2026-12-04 12:50:00 → STL 2026-12-04 14:18:00.

2026-11-20 → 2026-11-23 · $830.00

  • United Airlines UA3495 / UA918: STL 2026-11-20 13:25:00 → LHR 2026-11-21 06:40:00; 1 stop(s) via IAD; 675 minutes. Local airport times.
    • UA3495: STL 2026-11-20 13:25:00 → IAD 2026-11-20 16:35:00; layover at IAD: 105 minutes.
    • UA918: IAD 2026-11-20 18:20:00 → LHR 2026-11-21 06:40:00.
  • United Airlines UA958 / UA4619: LHR 2026-11-23 07:40:00 → STL 2026-11-23 14:18:00; 1 stop(s) via ORD; 758 minutes. Local airport times.
    • UA958: LHR 2026-11-23 07:40:00 → ORD 2026-11-23 10:45:00; layover at ORD: 125 minutes.
    • UA4619: ORD 2026-11-23 12:50:00 → STL 2026-11-23 14:18:00.

2026-11-27 → 2026-12-04 · $830.00

  • United Airlines UA3495 / UA918: STL 2026-11-27 13:25:00 → LHR 2026-11-28 06:40:00; 1 stop(s) via IAD; 675 minutes. Local airport times.
    • UA3495: STL 2026-11-27 13:25:00 → IAD 2026-11-27 16:35:00; layover at IAD: 105 minutes.
    • UA918: IAD 2026-11-27 18:20:00 → LHR 2026-11-28 06:40:00.
  • United Airlines UA958 / UA4619: LHR 2026-12-04 07:40:00 → STL 2026-12-04 14:18:00; 1 stop(s) via ORD; 758 minutes. Local airport times.
    • UA958: LHR 2026-12-04 07:40:00 → ORD 2026-12-04 10:45:00; layover at ORD: 125 minutes.
    • UA4619: ORD 2026-12-04 12:50:00 → STL 2026-12-04 14:18:00.

2026-11-20 → 2026-11-23 · $850.00

  • Delta Air Lines DL1371 / DL16: STL 2026-11-20 14:21:00 → LHR 2026-11-21 06:50:00; 1 stop(s) via DTW; 629 minutes. Local airport times.
    • DL1371: STL 2026-11-20 14:21:00 → DTW 2026-11-20 16:55:00; layover at DTW: 85 minutes.
    • DL16: DTW 2026-11-20 18:20:00 → LHR 2026-11-21 06:50:00.
  • Delta Air Lines DL9 / DL1839: LHR 2026-11-23 09:50:00 → STL 2026-11-23 16:30:00; 1 stop(s) via MSP; 760 minutes. Local airport times.
    • DL9: LHR 2026-11-23 09:50:00 → MSP 2026-11-23 12:47:00; layover at MSP: 128 minutes.
    • DL1839: MSP 2026-11-23 14:55:00 → STL 2026-11-23 16:30:00.

2026-11-27 → 2026-12-04 · $850.00

  • Delta Air Lines DL1371 / DL16: STL 2026-11-27 14:21:00 → LHR 2026-11-28 06:50:00; 1 stop(s) via DTW; 629 minutes. Local airport times.
    • DL1371: STL 2026-11-27 14:21:00 → DTW 2026-11-27 16:55:00; layover at DTW: 85 minutes.
    • DL16: DTW 2026-11-27 18:20:00 → LHR 2026-11-28 06:50:00.
  • Delta Air Lines DL9 / DL1839: LHR 2026-12-04 09:50:00 → STL 2026-12-04 16:30:00; 1 stop(s) via MSP; 760 minutes. Local airport times.
    • DL9: LHR 2026-12-04 09:50:00 → MSP 2026-12-04 12:47:00; layover at MSP: 128 minutes.
    • DL1839: MSP 2026-12-04 14:55:00 → STL 2026-12-04 16:30:00.

2026-11-27 → 2026-12-04 · $850.00

  • Delta Air Lines DL1102 / DL30: STL 2026-11-27 14:33:00 → LHR 2026-11-28 07:50:00; 1 stop(s) via ATL; 677 minutes. Local airport times.
    • DL1102: STL 2026-11-27 14:33:00 → ATL 2026-11-27 17:05:00; layover at ATL: 95 minutes.
    • DL30: ATL 2026-11-27 18:40:00 → LHR 2026-11-28 07:50:00.
  • Delta Air Lines DL9 / DL1839: LHR 2026-12-04 09:50:00 → STL 2026-12-04 16:30:00; 1 stop(s) via MSP; 760 minutes. Local airport times.
    • DL9: LHR 2026-12-04 09:50:00 → MSP 2026-12-04 12:47:00; layover at MSP: 128 minutes.
    • DL1839: MSP 2026-12-04 14:55:00 → STL 2026-12-04 16:30:00.

More dates for this route