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Denver → London

Dec 9, 2026 · return Dec 15, 2026

DEN → LHR1 adulteconomyRound trip

8 flight options · 6 airlines

Nonstop flights

Wed, Dec 9 – Tue, Dec 15

British Airways
5:01 pmDEN
9h 9m
Nonstop
9:10 am+1LHR
British Airways
12:10 pmLHR
10h
Nonstop
3:10 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

United Airlines
5:35 pmDEN
9h 5m
Nonstop
9:40 am+1LHR
United Airlines
11:35 amLHR
9h 50m
Nonstop
2:25 pmDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 9 – Tue, Dec 15

FI
3:40 pmDEN
12h 10m
KEF · 1h 30m
10:50 am+1LHR
FI
12:15 pmLHR
12h 45m
KEF · 1h 25m
6:00 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

Air Canada
1:30 pmDEN
12h
YYZ · 1h 33m
8:30 am+1LHR
Air Canada
11:10 amLHR
13h 54m
YYZ · 2h 5m
6:04 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

Delta Air Lines
11:41 amDEN
12h 9m
BOS · 1h 35m
6:50 am+1LHR
Delta Air Lines
9:50 amLHR
13h 12m
MSP · 2h 6m
4:02 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

Lufthansa
5:25 pmDEN
12h 25m
FRA · 1h 15m
12:50 pm+1LHR
United Airlines
11:35 amLHR
9h 50m
Nonstop
2:25 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

British Airways
5:05 pmDEN
9h 10m
Nonstop
9:15 am+1LHR
British Airways
3:40 pmLHR
14h 17m
ORD · 2h 20m
10:57 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Tue, Dec 15

United Airlines
4:35 pmDEN
12h 25m
ORD · 1h 35m
12:00 pm+1LHR
United Airlines
11:35 amLHR
9h 50m
Nonstop
2:25 pmDEN

Round-trip total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ LHR

Economy

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

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More dates

All dates for this routeNov 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 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)
2026-12-09 → 2026-12-15British AirwaysBA218 / BA219$900.002026-10-29T01:04:08Z
2026-12-09 → 2026-12-15United AirlinesUA27 / UA26$920.002026-10-29T01:04:08Z
2026-12-09 → 2026-12-15FIFI670 + FI450 / FI451 + FI671$640.002026-10-29T01:04:08Z
2026-12-09 → 2026-12-15Air CanadaAC1038 + AC856 / AC855 + UA1810$780.002026-10-29T01:04:08Z
2026-12-09 → 2026-12-15Delta Air LinesDL499 + DL58 / DL9 + DL1025$840.002026-10-29T01:04:08Z
2026-12-09 → 2026-12-15Lufthansa / United AirlinesLH447 + LH906 / UA26$875.002026-10-29T01:04:08Z
2026-12-09 → 2026-12-15British AirwaysBA218 / BA297 + AA1387$860.002026-10-29T01:04:08Z
2026-12-09 → 2026-12-15United AirlinesUA675 + UA938 / UA26$875.002026-10-29T01:04:08Z

2026-12-09 → 2026-12-15 · $900.00

  • British Airways BA218: DEN 2026-12-09 17:01:00 → LHR 2026-12-10 09:10:00; nonstop; 549 minutes. Local airport times.
  • British Airways BA219: LHR 2026-12-15 12:10:00 → DEN 2026-12-15 15:10:00; nonstop; 600 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $920.00

  • United Airlines UA27: DEN 2026-12-09 17:35:00 → LHR 2026-12-10 09:40:00; nonstop; 545 minutes. Local airport times.
  • United Airlines UA26: LHR 2026-12-15 11:35:00 → DEN 2026-12-15 14:25:00; nonstop; 590 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $640.00

  • FI FI670 / FI450: DEN 2026-12-09 15:40:00 → LHR 2026-12-10 10:50:00; 1 stop(s) via KEF; 730 minutes. Local airport times.
    • FI670: DEN 2026-12-09 15:40:00 → KEF 2026-12-10 06:05:00; layover at KEF: 90 minutes.
    • FI450: KEF 2026-12-10 07:35:00 → LHR 2026-12-10 10:50:00.
  • FI FI451 / FI671: LHR 2026-12-15 12:15:00 → DEN 2026-12-15 18:00:00; 1 stop(s) via KEF; 765 minutes. Local airport times.
    • FI451: LHR 2026-12-15 12:15:00 → KEF 2026-12-15 15:30:00; layover at KEF: 85 minutes.
    • FI671: KEF 2026-12-15 16:55:00 → DEN 2026-12-15 18:00:00.

2026-12-09 → 2026-12-15 · $780.00

  • Air Canada AC1038 / AC856: DEN 2026-12-09 13:30:00 → LHR 2026-12-10 08:30:00; 1 stop(s) via YYZ; 720 minutes. Local airport times.
    • AC1038: DEN 2026-12-09 13:30:00 → YYZ 2026-12-09 18:37:00; layover at YYZ: 93 minutes.
    • AC856: YYZ 2026-12-09 20:10:00 → LHR 2026-12-10 08:30:00.
  • Air Canada AC855 / UA1810: LHR 2026-12-15 11:10:00 → DEN 2026-12-15 18:04:00; 1 stop(s) via YYZ; 834 minutes. Local airport times.
    • AC855: LHR 2026-12-15 11:10:00 → YYZ 2026-12-15 14:05:00; layover at YYZ: 125 minutes.
    • UA1810: YYZ 2026-12-15 16:10:00 → DEN 2026-12-15 18:04:00.

2026-12-09 → 2026-12-15 · $840.00

  • Delta Air Lines DL499 / DL58: DEN 2026-12-09 11:41:00 → LHR 2026-12-10 06:50:00; 1 stop(s) via BOS; 729 minutes. Local airport times.
    • DL499: DEN 2026-12-09 11:41:00 → BOS 2026-12-09 17:35:00; layover at BOS: 95 minutes.
    • DL58: BOS 2026-12-09 19:10:00 → LHR 2026-12-10 06:50:00.
  • Delta Air Lines DL9 / DL1025: LHR 2026-12-15 09:50:00 → DEN 2026-12-15 16:02:00; 1 stop(s) via MSP; 792 minutes. Local airport times.
    • DL9: LHR 2026-12-15 09:50:00 → MSP 2026-12-15 12:47:00; layover at MSP: 126 minutes.
    • DL1025: MSP 2026-12-15 14:53:00 → DEN 2026-12-15 16:02:00.

2026-12-09 → 2026-12-15 · $875.00

  • Lufthansa LH447 / LH906: DEN 2026-12-09 17:25:00 → LHR 2026-12-10 12:50:00; 1 stop(s) via FRA; 745 minutes. Local airport times.
    • LH447: DEN 2026-12-09 17:25:00 → FRA 2026-12-10 10:55:00; layover at FRA: 75 minutes.
    • LH906: FRA 2026-12-10 12:10:00 → LHR 2026-12-10 12:50:00.
  • United Airlines UA26: LHR 2026-12-15 11:35:00 → DEN 2026-12-15 14:25:00; nonstop; 590 minutes. Local airport times.

2026-12-09 → 2026-12-15 · $860.00

  • British Airways BA218: DEN 2026-12-09 17:05:00 → LHR 2026-12-10 09:15:00; nonstop; 550 minutes. Local airport times.
  • British Airways BA297 / AA1387: LHR 2026-12-15 15:40:00 → DEN 2026-12-15 22:57:00; 1 stop(s) via ORD; 857 minutes. Local airport times.
    • BA297: LHR 2026-12-15 15:40:00 → ORD 2026-12-15 18:45:00; layover at ORD: 140 minutes.
    • AA1387: ORD 2026-12-15 21:05:00 → DEN 2026-12-15 22:57:00.

2026-12-09 → 2026-12-15 · $875.00

  • United Airlines UA675 / UA938: DEN 2026-12-09 16:35:00 → LHR 2026-12-10 12:00:00; 1 stop(s) via ORD; 745 minutes. Local airport times.
    • UA675: DEN 2026-12-09 16:35:00 → ORD 2026-12-09 20:15:00; layover at ORD: 95 minutes.
    • UA938: ORD 2026-12-09 21:50:00 → LHR 2026-12-10 12:00:00.
  • United Airlines UA26: LHR 2026-12-15 11:35:00 → DEN 2026-12-15 14:25:00; nonstop; 590 minutes. Local airport times.

More dates for this route