Award flights from Portland, Maine (PWM) to London Heathrow (LHR)
Search flights from Portland, Maine (PWM) to London Heathrow (LHR)
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In the last 30 days AwardTool saw award space on 8 programs for PWM→LHR. Lowest economy: 9,500 miles (GOL Smiles). Lowest business class: 55,000 points + $1,474.00 (Alaska Atmos Rewards) on a mixed-cabin itinerary. Lowest first class: 55,000 points + $1,474.00 (Alaska Atmos Rewards).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Portland, Maine (PWM) to London Heathrow (LHR) at a glance
- From
- Portland International Jetport, Portland, Maine, United States (PWM)
- To
- London Heathrow Airport, London, United Kingdom (LHR)
- Programs with award space seen
- 8 of 8 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- American Airlines (AA), Air Canada (AC), Air France (AF), British Airways (BA), Delta Air Lines (DL), Aer Lingus (EI), IBERIA (IB), KLM (KL), Lufthansa (LH), Singapore Airlines (SQ), United Airlines (UA), Lufthansa City Airlines (VL) and 1 more
- Departures with open awards
- Oct 2026 to Apr 2027
- Most dates with space
- 23 of 23 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 London Heathrow (LHR)
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 | |
|---|---|---|---|---|---|---|---|
| GOL SmilesLowest observed | 9,500 pts + taxes not reported | 1 stop | American Airlines (AA), Air Canada (AC), Air France (AF), British Airways (BA) +2 more | 4 | 17 | See dates | |
| American Airlines AAdvantage | 21,000 pts + $5.60 | 1 stop | American Airlines (AA), British Airways (BA), Aer Lingus (EI) | — | 23 | See dates | |
| Alaska Atmos Rewards | 22,500 pts + $25.60 | 1 stop | American Airlines (AA), British Airways (BA) | 9+ | 16 | See dates | |
| Delta SkyMiles | 25,000 pts + $5.60 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Virgin Atlantic (VS) | 9+ | 19 | See dates | |
| Qantas Frequent Flyer | 29,000 pts + $349.00 | 1 stop | American Airlines (AA), British Airways (BA), IBERIA (IB) | 4 | 16 | See dates | |
| Virgin Australia Velocity | 30,000 pts + $30.80 | 1 stop | United Airlines (UA) | 5 | 5 | See dates | |
| Air Canada Aeroplan | 32,412 pts + $84.51 | 2 stops | Air Canada (AC), Lufthansa (LH), United Airlines (UA), Lufthansa City Airlines (VL) | 9+ | 9 | See dates | |
| Avianca LifeMiles | 37,000 pts + $58.00 | 1 stop | Air Canada (AC), Lufthansa (LH), Singapore Airlines (SQ), United Airlines (UA) | 9+ | 7 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 40,000 pts + $538.00 | 2 stops | American Airlines (AA), British Airways (BA) | — | 22 | See dates | |
| Qantas Frequent Flyer | 67,400 pts + $1,579.00 | 1 stop | American Airlines (AA), British Airways (BA) | 1 | 10 | See dates | |
| Delta SkyMiles | 75,000 pts + $5.60 | 2 stops | Air France (AF), Delta Air Lines (DL), KLM (KL) | 4 | 19 | See dates | |
| Air Canada Aeroplan | 95,797 pts + $84.31 | 2 stops | Air Canada (AC), United Airlines (UA) | 1 | 9 | See dates | |
| GOL Smiles | 520,400 pts + taxes not reported | 1 stop | American Airlines (AA) | 1 | 5 | See dates |
Not seen in premium economy: Alaska Atmos Rewards, Avianca LifeMiles and Virgin Australia Velocity.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Alaska Atmos RewardsLowest, mixed cabin | 55,000 pts + $1,474.00Mixed cabin | 1 stop | American Airlines (AA), British Airways (BA) | 7 | 6 | See dates | |
| American Airlines AAdvantage | 57,500 pts + $10.40Mixed cabin | 2 stops | American Airlines (AA), British Airways (BA), Aer Lingus (EI) | — | 23 | See dates | |
| Air Canada Aeroplan | 75,000 pts + $120.51Mixed cabin | 2 stops | Air Canada (AC), Lufthansa (LH), United Airlines (UA), Lufthansa City Airlines (VL) | 1 | 8 | See dates | |
| Qantas Frequent Flyer | 82,600 pts + $1,454.00Mixed cabin | 1 stop | American Airlines (AA), British Airways (BA) | 1 | 9 | See dates | |
| Delta SkyMiles | 354,500 pts + $5.60Mixed cabin | 1 stop | Delta Air Lines (DL), Virgin Atlantic (VS) | 9+ | 3 | See dates |
Not seen in business class: Avianca LifeMiles, GOL Smiles and Virgin Australia Velocity.
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Alaska Atmos RewardsLowest observed | 55,000 pts + $1,474.00 | 1 stop | American Airlines (AA), British Airways (BA) | 3 | 7 | See dates | |
| Air Canada Aeroplan | 80,000 pts + $75.71Mixed cabin | 2 stops | United Airlines (UA) | 1 | 1 | See dates | |
| American Airlines AAdvantage | 134,000 pts + $11.20 | 2 stops | American Airlines (AA) | — | 3 | See dates | |
| Delta SkyMiles | 329,500 pts + $5.60 | 1 stop | Air France (AF), Delta Air Lines (DL), KLM (KL), Virgin Atlantic (VS) | 9+ | 19 | See dates |
Not seen in first class: Avianca LifeMiles, GOL Smiles, Qantas Frequent Flyer and Virgin Australia Velocity.
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 | GOL Smiles | 9,500 pts + taxes not reported | 4 | 1 stop | Check this date | ||
| Economy | Alaska Atmos Rewards | 22,500 pts + $25.60 | 9+ | 1 stop | Check this date | ||
| Economy | Qantas Frequent Flyer | 29,000 pts + $349.00 | 4 | 1 stop | Check this date | ||
| Economy | Virgin Australia Velocity | 30,000 pts + $31.19 | 9+ | 1 stop | Check this date | ||
| Premium Economy | American Airlines AAdvantage | 40,000 pts + $538.00 | — | 2 stops | Check this date | ||
| Business | American Airlines AAdvantage | 57,500 pts + $10.40Mixed cabin | — | 2 stops | Check this date | ||
| Business | Air Canada Aeroplan | 484,984 pts + $84.81 | 5 | 2 stops | Check this date | ||
| First | Delta SkyMiles | 499,900 pts + $5.60 | 8 | 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.
Best months to fly from Portland, Maine (PWM) to London Heathrow (LHR) on points
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 9,500 · Smiles (2 dates) | 89,000 · AAdvantage (3 dates) | 57,500 · AAdvantage (4 dates)Mixed cabin | 152,000 · AAdvantage (2 dates) | |
| 22,500 · AAdvantage (1 date) | 40,000 · AAdvantage (1 date) | 57,500 · AAdvantage (1 date)Mixed cabin | 134,000 · AAdvantage (1 date) | |
| 37,200 · Smiles (2 dates) | 100,500 · AAdvantage (3 dates) | 115,500 · AAdvantage (3 dates) | 384,500 · SkyMiles (2 dates) | |
| 22,500 · AAdvantage (2 dates) | 40,000 · AAdvantage (2 dates) | 57,500 · AAdvantage (2 dates)Mixed cabin | 55,000 · Atmos (1 date) | |
| 9,500 · Smiles (1 date) | 40,000 · AAdvantage (1 date) | 102,400 · Qantas (1 date) | 449,500 · SkyMiles (1 date) | |
| 9,500 · Smiles (12 dates) | 40,000 · AAdvantage (12 dates) | 55,000 · Atmos (4 dates)Mixed cabin | 70,000 · Atmos (6 dates) |
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Air Canada Aeroplan | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | — |
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Avianca LifeMiles | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | 1:1 · Instant | 1:1 · Instant |
| Delta SkyMiles | 1:1 · Instant | — | — | — | — | — |
| Qantas Frequent Flyer | 1:1 · Instant | — | 1:1 · ~1-2 days | — | 1:1 · Instant | — |
Check current transfer bonuses. Most transfers can't be reversed. No bank transfers to GOL Smiles and Virgin Australia Velocity.
Search, calendar and alerts from Portland, Maine (PWM) to London Heathrow (LHR)
Route calendar
Every departure date with open award seats on PWM→LHR 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 Portland, Maine (PWM) to London Heathrow (LHR)How many miles or points you need from Portland, Maine (PWM) to London Heathrow (LHR)
- In economy, GOL Smiles had the lowest observed award, 9,500 miles (taxes not reported); see how many miles you need with GOL Smiles.
- In premium economy, American Airlines AAdvantage had the lowest observed award, 40,000 miles + $538.00; see how many miles you need with American Airlines AAdvantage.
- In business class, Alaska Atmos Rewards had the lowest observed award, 55,000 points + $1,474.00, a mixed-cabin award; see how many points you need with Alaska Atmos Rewards.
- In first class, Alaska Atmos Rewards had the lowest observed award, 55,000 points + $1,474.00; see how many points you need with Alaska Atmos Rewards.
Questions about award flights from Portland, Maine (PWM) to London Heathrow (LHR)
What's the lowest Portland, Maine (PWM) to London Heathrow (LHR) award price AwardTool has seen?
In economy, 9,500 miles with GOL Smiles. Seen Sep 27, 2026, 23:22 UTC for an Oct 22, 2026 departure. GOL Smiles showed economy award space on 17 departure dates at any price (newest observation Oct 6, 2026, 19:24 UTC). In business class, 55,000 points + $1,474.00 with Alaska Atmos Rewards on a mixed-cabin itinerary (part of the trip in a lower cabin). Alaska Atmos Rewards showed business-class award space on 6 departure dates at any price (newest observation Oct 6, 2026, 10:18 UTC). Search live before transferring points.
Which loyalty programs had award space from Portland, Maine (PWM) to London Heathrow (LHR)?
8 programs in the last 30 days: American Airlines AAdvantage (economy 23 dates, premium economy 22 dates, business class 23 dates, first class 3 dates); Air Canada Aeroplan (economy 9 dates, premium economy 9 dates, business class 8 dates, first class 1 date); Alaska Atmos Rewards (economy 16 dates, business class 6 dates, first class 7 dates); Avianca LifeMiles (economy 7 dates); Delta SkyMiles (economy 19 dates, premium economy 19 dates, business class 3 dates, first class 19 dates); GOL Smiles (economy 17 dates, premium economy 5 dates); Qantas Frequent Flyer (economy 16 dates, premium economy 10 dates, business class 9 dates); Virgin Australia Velocity (economy 5 dates). Dates count departure dates with an open award.
Is there nonstop award space from Portland, Maine (PWM) to London Heathrow (LHR)?
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, Air Canada, Air France and British Airways. That doesn't mean nonstop space never appears.
Which credit card points can book awards from Portland, Maine (PWM) to London Heathrow (LHR)?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Delta SkyMiles (1:1), Qantas Frequent Flyer (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Alaska Atmos Rewards (1:1), Avianca LifeMiles (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Avianca LifeMiles (1:1), Qantas Frequent Flyer (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Avianca LifeMiles (1:1), Qantas Frequent Flyer (1:1). Wells Fargo Rewards: Avianca LifeMiles (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.
Which months had the lowest award prices from Portland, Maine (PWM) to London Heathrow (LHR)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers: in economy, the lowest award was for Apr 2027 departures, 9,500 miles with Smiles (12 dates); in business class, the lowest award was for Jan 2027 departures, 70,000 points with Atmos (2 dates), and a mixed-cabin itinerary was seen for Apr 2027 departures from 55,000 points with Atmos. The month table shows every lowest price, including those. Based on dates we observed, not a forecast.