Award flights from London Heathrow (LHR) to Ontario, California (ONT)
Search flights from London Heathrow (LHR) to Ontario, California (ONT)
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In the last 30 days AwardTool saw award space on 2 programs for LHR→ONT. Lowest economy: 21,000 miles + $235.59 (American Airlines AAdvantage). Lowest business class: 57,500 miles + $396.89 (American Airlines AAdvantage). Lowest premium economy: 40,000 miles + $701.03 (American Airlines AAdvantage).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
London Heathrow (LHR) to Ontario, California (ONT) at a glance
- From
- London Heathrow Airport, London, United Kingdom (LHR)
- To
- Ontario International, Ontario, California, United States (ONT)
- Programs with award space seen
- 2 of 2 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- American Airlines (AA), Alaska Airlines (AS), British Airways (BA), Delta Air Lines (DL), Aer Lingus (EI), Virgin Atlantic (VS)
- Departures with open awards
- Oct 2026 to Aug 2027
- Most dates with space
- 6 of 6 departure dates checked (American Airlines AAdvantage, economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to Ontario (ONT)
Compare programs by cabin
The lowest one-way award each program showed in each cabin, sorted by points.
Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 21,000 pts + $235.59 | 1 stop | American Airlines (AA), Alaska Airlines (AS), British Airways (BA), Aer Lingus (EI) | — | 6 | See dates | |
| Air France/KLM Flying Blue | 38,500 pts + $510.69 | 1 stop | Delta Air Lines (DL), Virgin Atlantic (VS) | 9+ | 6 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 40,000 pts + $701.03 | 2 stops | American Airlines (AA), British Airways (BA) | — | 4 | See dates | |
| Air France/KLM Flying Blue | 79,270 pts + $625.99 | 1 stop | Delta Air Lines (DL), Virgin Atlantic (VS) | 6 | 2 | See dates |
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 57,500 pts + $396.89 | 2 stops | American Airlines (AA), British Airways (BA), Aer Lingus (EI) | — | 6 | See dates | |
| Air France/KLM Flying Blue | 127,500 pts + $747.79 | 1 stop | Delta Air Lines (DL), Virgin Atlantic (VS) | 6 | 2 | See dates |
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantage | 460,000 pts + $413.89 | 1 stop | American Airlines (AA) | — | 1 | See dates |
Not seen in first class: Air France/KLM Flying Blue.
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed award examples
| Departure | Cabin | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|---|
| Economy | American Airlines AAdvantage | 22,500 pts + $621.53 | — | 2 stops | Check this date | ||
| Premium Economy | American Airlines AAdvantage | 40,000 pts + $701.03 | — | 2 stops | Check this date | ||
| Business | Air France/KLM Flying Blue | 129,000 pts + $701.29 | 2 | 1 stop | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them in the observation window. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Air France/KLM Flying Blue | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
Check current transfer bonuses. Most transfers can't be reversed.
Search, calendar and alerts from London Heathrow (LHR) to Ontario, California (ONT)
Route calendar
Every departure date with open award seats on LHR→ONT for American Airlines AAdvantage and the other programs: a limited window on the free plan and 365 days with Pro.
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Search one date across programs to see current flights, seats and taxes before you transfer points.
Search London Heathrow (LHR) to Ontario, California (ONT)How many miles you need from London Heathrow (LHR) to Ontario, California (ONT)
- In economy, American Airlines AAdvantage had the lowest observed award, 21,000 miles + $235.59; see how many miles you need with American Airlines AAdvantage.
- In premium economy, American Airlines AAdvantage had the lowest observed award, 40,000 miles + $701.03; see how many miles you need with American Airlines AAdvantage.
- In business class, American Airlines AAdvantage had the lowest observed award, 57,500 miles + $396.89; see how many miles you need with American Airlines AAdvantage.
Questions about award flights from London Heathrow (LHR) to Ontario, California (ONT)
What's the lowest London Heathrow (LHR) to Ontario, California (ONT) award price AwardTool has seen?
In economy, 21,000 miles + $235.59 with American Airlines AAdvantage. American Airlines AAdvantage showed economy award space on 6 departure dates at any price (newest observation Oct 13, 2026, 04:16 UTC). In business class, 57,500 miles + $396.89 with American Airlines AAdvantage. Seen Sep 29, 2026, 06:59 UTC for a Dec 5, 2026 departure. American Airlines AAdvantage showed business-class award space on 6 departure dates at any price (newest observation Oct 13, 2026, 04:16 UTC). Search live before transferring points.
Which loyalty programs had award space from London Heathrow (LHR) to Ontario, California (ONT)?
2 programs in the last 30 days: American Airlines AAdvantage (economy 6 dates, premium economy 4 dates, business class 6 dates, first class 1 date); Air France/KLM Flying Blue (economy 6 dates, premium economy 2 dates, business class 2 dates). Dates count departure dates with an open award.
Is there nonstop award space from London Heathrow (LHR) to Ontario, California (ONT)?
AwardTool hasn't observed nonstop award space on this route in the last 30 days. The awards it saw connected with 1 to 2 stops on itineraries including American Airlines, Alaska Airlines, British Airways and Delta Air Lines. That doesn't mean nonstop space never appears.
Which credit card points can book awards from London Heathrow (LHR) to Ontario, California (ONT)?
American Express Membership Rewards: Air France/KLM Flying Blue (1:1). Bilt Rewards: Air France/KLM Flying Blue (1:1). Capital One Miles: Air France/KLM Flying Blue (1:1). Chase Ultimate Rewards: Air France/KLM Flying Blue (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Air France/KLM Flying Blue (1:1). Wells Fargo Rewards: Air France/KLM Flying Blue (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.