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Cheap flights from Portland (PWM) to Heathrow (LHR)

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How to find the cheapest flight from
Portland (PWM) to Heathrow (LHR)

PWM - LHR
Price
$620 - $1440
LHR
Temperature
46.4 - 75.2 °F
LHR
Rainfall
1.5 - 2.6 inches
Popular in July High demand for flights, 31% potential price rise
Cheapest in March Best time to find cheap flights, 37% potential price drop
Average price $1210 Average for round-trip flights in August 2020
Round-trip from $620 From Portland to Heathrow
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Portland to Heathrow?

Saturday flights are found to be more expensive to fly from Portland to Heathrow. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Heathrow.

How far in advance should I book a flight from Portland to Heathrow?

To save up to 38% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portland to Heathrow from $813 1-2 weeks out and tickets from $886 for flights departing within the next 72 hours.

What is the cheapest month to fly from Portland to Heathrow?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Heathrow. Flights to Heathrow from Portland in February are about $634 on average during February, but can be found for as low as $394.

When is the cheapest time to fly from Portland to Heathrow (PWM - LHR)?

It’s optimal to fly from Portland to Heathrow in the afternoon. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Portland to Heathrow in August, September 2020

The best prices found for PWM to LHR flights for August, September
4 Aug - 19 Aug
$969pp
PWM
Portland
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PWM
Portland
7 Aug - 19 Aug
$979pp
PWM
Portland
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PWM
Portland
7 Aug - 18 Aug
$984pp
PWM
Portland
Delta
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Delta
   
2 STOPS
PWM
Portland

Portland to Heathrow 2020 flight deals

Cheap flights to Heathrow from Portland found for this year
3 Nov - 10 Nov
$797pp
PWM
Portland
Delta
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Delta
   
2 STOPS
PWM
Portland
3 Nov - 10 Nov
$799pp
PWM
Portland
Austrian Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Austrian Airlines
 
1 STOP
PWM
Portland
3 Nov - 10 Nov
$803pp
PWM
Portland
Austrian Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Austrian Airlines
 
1 STOP
PWM
Portland

One-way flights to Heathrow from Portland

The cheapest one-way flights from Portland to Heathrow
8:15 am - 6:00 pm
Multiple Airlines
3 Stops
52h 45m
PWM - LHR
Multiple Airlines
$1255
Kiwi.com
8:57 am - 6:55 am
Delta
2 Stops
16h 58m
PWM - LHR
Delta
$6448
Delta
1:55 pm - 12:15 pm
KLM
2 Stops
17h 20m
PWM - LHR
KLM
$6470
KLM

Related info for your journey

Useful info, stats and facts about Portland to Heathrow flights.

Flight FAQs

From Portland to Heathrow

Are flight prices decreasing from Portland to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Portland and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Portland to Heathrow for under $800 on Cheapflights?

Yes, there are multiple flights from Portland to Heathrow for under $800. The cheapest flight booked recently is on Delta for just $797, but on average you can expect to pay $937.

Are there nonstop flights from Portland to Heathrow for under $800 on Cheapflights?

There are no nonstop flights from Portland to Heathrow, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Portland or Heathrow?

The rainfall in Portland is generally less than the rainfall in Heathrow. This will continue over the next 16 days.

Is Portland weather warmer or cooler than Heathrow?

Our data indicates that the weather will be 81 °F on average in the month of July. The temperature in Heathrow is typically colder than in Portland. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Portland to Heathrow?

Delta, Austrian Airlines, and KLM can get you from Portland to Heathrow in just under 11h 55m. Your travel time can differ by up to 2h 35m. This flight may include one or multiple stops.

What are the cheapest airlines flying from Portland to Heathrow round-trip?

According to our current data, Delta ($797), Austrian Airlines ($799), and KLM ($818) offers the cheapest pricing from Portland to Heathrow. Users have found that Delta is 19% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Portland to Heathrow one-way?

One-way options have recently been found by users for as low as $1808 on British Airways. Other airlines that offer cheap prices include Finnair from $5380 and Delta from $6448 one-way.

Alternative routes for Portland to Heathrow

Destination information for Heathrow

Things to know before you go. Useful info for your trip from Portland to Heathrow
Today's exchange rate
$1 = £0.77
Average temperature for August in Heathrow
75.2 °F
Avg rainfall for August in Heathrow
2.6 ″

Airports servicing Portland

Airports servicing London