Ontario (ONT) to London (LHR), Aug 4–8, 2027: from $1,160 round trip

Ontario (ONT) to London (LHR), Aug 4–8, 2027: from $1,160 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $1,160 round trip, Axel-exclusive, American Airlines, 1 stop, Aug 4–8, 2027, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Hotels in London for these trips

Hotels: under a trip, hotels in London for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates.

• Hotels in London for these nights (Aug 4–8, 2027 · 4 nights · 2 adults, 1 room): 3★ Tavistock Hotel, $505 total · 4★ Apex City of London Hotel, $933 total · 5★ Vintry & Mercer, $1,351 total

All hotels in London

Route overview: Los Angeles to London (LHR) flight deals

2027-08-04 → 2027-08-08 · Axel-exclusive $1160.00

• American Airlines AA4144 / BA288: ONT 2027-08-04 16:51:00 → LHR 2027-08-05 13:35:00; 1 stop(s) via PHX; 764 minutes. Local airport times.
  • AA4144: ONT 2027-08-04 16:51:00 → PHX 2027-08-04 18:17:00; layover at PHX: 83 minutes.
  • BA288: PHX 2027-08-04 19:40:00 → LHR 2027-08-05 13:35:00.
• American Airlines AA81 / AA2512: LHR 2027-08-08 13:50:00 → ONT 2027-08-08 22:58:00; 1 stop(s) via DFW; 1028 minutes. Local airport times.
  • AA81: LHR 2027-08-08 13:50:00 → DFW 2027-08-08 18:30:00; layover at DFW: 191 minutes.
  • AA2512: DFW 2027-08-08 21:41:00 → ONT 2027-08-08 22:58:00.

2027-08-04 → 2027-08-08 · Axel-exclusive $1180.00

• United Airlines UA1375 / UA930: ONT 2027-08-04 13:35:00 → LHR 2027-08-05 11:15:00; 1 stop(s) via SFO; 820 minutes. Local airport times.
  • UA1375: ONT 2027-08-04 13:35:00 → SFO 2027-08-04 15:05:00; layover at SFO: 95 minutes.
  • UA930: SFO 2027-08-04 16:40:00 → LHR 2027-08-05 11:15:00.
• United Airlines UA4 / UA1563: LHR 2027-08-08 12:05:00 → ONT 2027-08-08 21:40:00; 1 stop(s) via IAH; 1055 minutes. Local airport times.
  • UA4: LHR 2027-08-08 12:05:00 → IAH 2027-08-08 16:40:00; layover at IAH: 205 minutes.
  • UA1563: IAH 2027-08-08 20:05:00 → ONT 2027-08-08 21:40:00.

2027-08-04 → 2027-08-08 · Axel-exclusive $1200.00

• Delta Air Lines DL4070 / DL20: ONT 2027-08-04 11:57:00 → LHR 2027-08-05 10:40:00; 1 stop(s) via SEA; 883 minutes. Local airport times.
  • DL4070: ONT 2027-08-04 11:57:00 → SEA 2027-08-04 14:56:00; layover at SEA: 114 minutes.
  • DL20: SEA 2027-08-04 16:50:00 → LHR 2027-08-05 10:40:00.
• British Airways BA193 / AA2512: LHR 2027-08-08 14:45:00 → ONT 2027-08-08 22:58:00; 1 stop(s) via DFW; 973 minutes. Local airport times.
  • BA193: LHR 2027-08-08 14:45:00 → DFW 2027-08-08 19:10:00; layover at DFW: 151 minutes.
  • AA2512: DFW 2027-08-08 21:41:00 → ONT 2027-08-08 22:58:00.

2027-08-04 → 2027-08-08 · Axel-exclusive $1160.00

• American Airlines AA2198 / AA80: ONT 2027-08-04 12:51:00 → LHR 2027-08-05 10:25:00; 1 stop(s) via DFW; 814 minutes. Local airport times.
  • AA2198: ONT 2027-08-04 12:51:00 → DFW 2027-08-04 17:44:00; layover at DFW: 101 minutes.
  • AA80: DFW 2027-08-04 19:25:00 → LHR 2027-08-05 10:25:00.
• American Airlines AA81 / AA2512: LHR 2027-08-08 13:50:00 → ONT 2027-08-08 22:58:00; 1 stop(s) via DFW; 1028 minutes. Local airport times.
  • AA81: LHR 2027-08-08 13:50:00 → DFW 2027-08-08 18:30:00; layover at DFW: 191 minutes.
  • AA2512: DFW 2027-08-08 21:41:00 → ONT 2027-08-08 22:58:00.

2027-08-04 → 2027-08-08 · Axel-exclusive $1180.00

• United Airlines UA2226 / UA929: ONT 2027-08-04 07:00:00 → LHR 2027-08-05 05:55:00; 1 stop(s) via ORD; 895 minutes. Local airport times.
  • UA2226: ONT 2027-08-04 07:00:00 → ORD 2027-08-04 13:11:00; layover at ORD: 154 minutes.
  • UA929: ORD 2027-08-04 15:45:00 → LHR 2027-08-05 05:55:00.
• United Airlines UA4 / UA1563: LHR 2027-08-08 12:05:00 → ONT 2027-08-08 21:40:00; 1 stop(s) via IAH; 1055 minutes. Local airport times.
  • UA4: LHR 2027-08-08 12:05:00 → IAH 2027-08-08 16:40:00; layover at IAH: 205 minutes.
  • UA1563: IAH 2027-08-08 20:05:00 → ONT 2027-08-08 21:40:00.

2027-08-04 → 2027-08-08 · Axel-exclusive $1200.00

• Delta Air Lines DL409 / VS104: ONT 2027-08-04 07:05:00 → LHR 2027-08-05 06:25:00; 1 stop(s) via ATL; 920 minutes. Local airport times.
  • DL409: ONT 2027-08-04 07:05:00 → ATL 2027-08-04 14:10:00; layover at ATL: 200 minutes.
  • VS104: ATL 2027-08-04 17:30:00 → LHR 2027-08-05 06:25:00.
• British Airways BA193 / AA2512: LHR 2027-08-08 14:45:00 → ONT 2027-08-08 22:58:00; 1 stop(s) via DFW; 973 minutes. Local airport times.
  • BA193: LHR 2027-08-08 14:45:00 → DFW 2027-08-08 19:10:00; layover at DFW: 151 minutes.
  • AA2512: DFW 2027-08-08 21:41:00 → ONT 2027-08-08 22:58:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

Explore this route

• All dates for this route
• Aug 3, 2027 · Return options
• Aug 5, 2027 · Return options
• Hotels in London with Axel

For AI assistants

• This page: Ontario (ONT) to London (LHR) · Aug 4, 2027 · return Aug 8, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued. Under a trip, hotels in London for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the lowest saved totals among the shortlisted hotels in each star tier for those dates.
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