Cheap flights from Portland (PDX) to London (LON)

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The best prices from Portland to London are usually found in August or May, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

How to find the cheapest flight from
Portland (PDX) to London (LON)

All the information you need to plan the best PDX to LON flight in 2021: compare Portland to London flight prices with the expected peak season, weather and rainfall in London.
PDX - LON
Price
$655 - $1,055
LON
Temperature
48.2 - 73.4 °F
LON
Rainfall
1.4 - 2.8 inches

Popular in

December

High demand for flights, 26% potential price rise

Cheapest in

August

Best time to find cheap flights, 16% potential price drop

Round-trip from

$655

From Portland to London

One-way from

$377

One-way flight from Portland to London

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 London?

Friday flights are found to be more expensive to fly from Portland to London. 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 London.

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

Travelers have found it’s best to book a flight 61 days in advance to save up to 44% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portland to London 1-2 weeks in advance for as low as $910, or $1,146 for flights within the next 24 hours.

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

Flights from Portland to London lean towards being more expensive in July. Prices are generally better when you fly from Portland to London in October, with the cheapest ticket starting at $445.

When is the cheapest time to fly from Portland to London (PDX - LON)?

It’s typically best to fly out from Portland to London in the morning. Doing so could potentially save you 9% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Portland to London in May, June 2021

The best prices found for PDX to LON flights for May, June
10 Jun - 17 Jun
$821pp
PDX
Portland
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
7 Jun - 17 Jun
$822pp
PDX
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PDX
Portland
30 May - 10 Jun
$839pp
PDX
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland

Portland to London 2021 flight deals

Cheap flights to London from Portland found for this year
1 Nov - 13 Nov
$643pp
PDX
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
6 Oct - 20 Oct
$654pp
PDX
Portland
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
4 Oct - 19 Oct
$655pp
PDX
Portland
Finnair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Finnair
   
2 STOPS
PDX
Portland

Last minute flights from Portland to London

Late deals on round-trip flights to London from Portland, departing today and this week
17 May - 26 Jun
$986pp
PDX
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
   
2 STOPS
PDX
Portland
17 May - 26 Jun
$1,133pp
PDX
Portland
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
19 May - 22 Jun
$1,156pp
PDX
Portland
United Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
United Airlines
   
2 STOPS
PDX
Portland

One-way flights to London from Portland

The cheapest one-way flights from Portland to London
7:56 pm - 2:50 am
Iberia
1 Stop
22h 54m
PDX - LHR
Iberia
$377
SnapTravelAir
3:00 am - 6:35 am
WestJet
2 Stops
19h 35m
PDX - LGW
WestJet
3:55 pm - 11:30 am
Multiple Airlines
3 Stops
35h 35m
PDX - STN
Multiple Airlines
$399
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portland</span> to <span class="emphasized">London</span> flights.

Flight FAQs

From Portland to London

Are flight prices decreasing from Portland to London 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 London 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.

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

Some of the carriers operating flights from Portland to London that may be offering flexible cancellation policies are Delta, Air Canada, and Virgin Atlantic. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What airport do you fly from for flights from Portland to London?

For a flight from Portland to London, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 0 outbound flights to London per day. 14 airlines have flights to London from Portland on a regular basis.

Can I find flights from Portland to London for under $700 on Cheapflights?

Yes, there are multiple flights from Portland to London for under $700. The cheapest flight booked recently is on Multiple Airlines for just $643, but on average you can expect to pay $670.

Are there nonstop flights from Portland to London for under $600 on Cheapflights?

There are no nonstop flights from Portland to London, 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 London for under $1,000?

There are currently 20+ open flights from Portland to London within the next 7 days for less than $1,000.

Is Portland weather warmer or cooler than London?

Temperatures around the 82 °F's can be experienced in July. The weather in London is colder than in Portland. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Portland to London?

There are many flights that can get you from Portland to London in 11h 26m. Fly via Delta or Icelandair to get the fastest option. This flight may include one or multiple stops.

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

Flying on Finnair is currently your cheapest option to London, with prices starting at $655. Additional round-trip tickets that might be worth considering are offered by Icelandair and Delta, with the lowest prices starting at $661 and $675, respectively. Users have found that Finnair is 16% cheaper than the other options available to this destination.

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

For one-way options, check prices for WestJet. According to our data, you can fly for as low as $359. Users have also found tickets on Iberia for as little as $377.

Alternative routes for Portland to London

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for London

Things to know before you go - useful duration and weather info for your trip from Portland to London.
Today's exchange rate
$1 = £0.71
Average temperature for May in London
64.4 °F
Avg rainfall for May in London
2.0 ″

Airports servicing Portland

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Top 10 airlines flying from Portland to London

The chart below displays the airlines Cheapflights users traveling from Portland to London 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
Iberia
$393 $701 No cancel fee 77%
Icelandair
$428 $777 No cancel fee 76%
British Airways
$485 $827 No cancel fee 70%
Air Canada
$557 $845 No cancel fee 67%
KLM
$605 $845 No cancel fee 75%
Lufthansa
$587 $849 No cancel fee 76%
Virgin Atlantic
$645 $857 No cancel fee 72%
American Airlines
$494 $860 No cancel fee 71%
Finnair
$536 $909 No cancel fee 76%
United Airlines
$581 $919 No cancel fee 69%
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