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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
$806 - $1,610
LHR
Temperature
46.4 - 75.2 °F
LHR
Rainfall
1.5 - 2.6 inches

Popular in

May

High demand for flights, 39% potential price rise

Cheapest in

September

Best time to find cheap flights, 17% potential price drop

Average price

$851

Average for round-trip flights in November 2020

Round-trip from

$806

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 76% on this flight, we recommend booking at least 61 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 $602 1-2 weeks out and tickets from $805 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 December. For low rates, March can be a great choice for travel to Heathrow. Flights to Heathrow from Portland in March are about $453 on average during March, but can be found for as low as $327.

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 November, December 2020

The best prices found for PWM to LHR flights for November, December
10 Dec - 7 Jan
$939pp
PWM
Portland
Air Canada
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
2 STOPS
PWM
Portland
10 Dec - 7 Jan
$975pp
PWM
Portland
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
PWM
Portland
10 Dec - 7 Jan
$990pp
PWM
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Austrian Airlines
 
1 STOP
PWM
Portland

Portland to Heathrow 2021 flight deals

Cheap flights to Heathrow from Portland found for next year
10 Dec - 7 Jan
$939pp
PWM
Portland
Air Canada
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
2 STOPS
PWM
Portland
10 Dec - 7 Jan
$975pp
PWM
Portland
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
PWM
Portland
10 Dec - 7 Jan
$990pp
PWM
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Austrian Airlines
 
1 STOP
PWM
Portland

Last minute flights from Portland to Heathrow

Late deals on round-trip flights to Heathrow from Portland, departing today and this week
4 Dec - 6 Dec
$1,772pp
PWM
Portland
United Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
United Airlines
 
1 STOP
PWM
Portland

One-way flights to Heathrow from Portland

The cheapest one-way flights from Portland to Heathrow
2:00 am - 1:55 am
Austrian Airlines
1 Stop
18h 55m
PWM - LHR
Austrian Airlines
$1,364
SnapTravelAir

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.

What safety measures are being taken by airlines flying from Portland to London Heathrow to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Portland to London Heathrow. Policies will vary by airline.

Which airlines flying from Portland to London Heathrow have flexible cancellations due to COVID-19?

Some of our airline partners flying from Portland to London Heathrow have new flexible policies in place due to COVID-19. American Airlines, Delta, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

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 Air Canada for just $710, but on average you can expect to pay $855.

Are there nonstop flights from Portland to Heathrow for under $700 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.

Are there last-minute flights available from Portland to Heathrow for under $1,800?

There are currently 1+ open flights from Portland to Heathrow within the next 7 days for less than $1,800.

What days are nonstop flights available from Portland to Heathrow?

Days when nonstop flights are available for this flight are: Wednesday.

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?

There are many flights that can get you from Portland to Heathrow in 9h 32m. Fly via United Airlines, Austrian Airlines, or KLM to get the fastest option. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Air Canada, at $710, was found to be the cheapest airline from Portland to Heathrow.Alternate airlines to your destination round-trip include Delta and KLM. These flights start at 27% lower than the current average price 3 months from now.

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

For one-way options, check prices for Austrian Airlines. According to our data, you can fly for as low as $1,364.

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 = £0.75
Average temperature for November in Heathrow
51.8 °F
Avg rainfall for November in Heathrow
2.4 ″

Airports servicing Portland

Airports servicing London

Top 3 airlines from Portland to Heathrow

The chart below displays the airlines Cheapflights users traveling from Portland to Heathrow choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
$596 $852 No cancel fee N/A
American Airlines
$623 $927 No cancel fee 71%
United Airlines
$818 $1,759 No cancel fee 69%