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

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The best prices from Portland International 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 International (PDX) to London (LON)

All the information you need to plan the best PDX to LON flight in 2021: compare Portland International 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 International to London

One-way from

$359

One-way flight from Portland International 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 International to London?

Travelers have found that booking a Monday departure is the best way to save up to 15% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save up to 44% 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 International to London from $910 1-2 weeks out and tickets from $1,146 for flights departing within the next 72 hours.

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

October can be a great time to fly to London from Portland International with a flight ticket averaging about $714. Cheapflights users have found deals in the month of October for as cheap as $445. The most expensive prices can be found in the month of July.

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

It’s optimal to fly from Portland International to London in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the evening.

Cheap flights from Portland International to London in May, June 2021

The best prices found for PDX to LON flights for May, June
8 Jun - 16 Jun
$804pp
PDX
Portland
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PDX
Portland
28 Jun - 5 Jul
$804pp
PDX
Portland
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
     
3 STOPS
PDX
Portland
28 Jun - 5 Jul
$820pp
PDX
Portland
Multiple Airlines
     
3 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
     
3 STOPS
PDX
Portland

Portland International to London 2021 flight deals

Cheap flights to London from Portland International found for this year
3 Oct - 28 Oct
$646pp
PDX
Portland
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
PDX
Portland
6 Oct - 12 Oct
$651pp
PDX
Portland
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
PDX
Portland
6 Oct - 20 Oct
$652pp
PDX
Portland
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
PDX
Portland

Last minute flights from Portland International to London

Late deals on round-trip flights to London from Portland International, departing today and this week
24 May - 20 Jun
$999pp
PDX
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
   
2 STOPS
PDX
Portland
24 May - 20 Jun
$1,003pp
PDX
Portland
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
24 May - 20 Jun
$1,007pp
PDX
Portland
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PDX
Portland

One-way flights to London from Portland International

The cheapest one-way flights from Portland International to London
2:20 am - 2:50 am
Iberia
1 Stop
16h 30m
PDX - LHR
Iberia
$359
SnapTravelAir
3:00 am - 5:00 am
WestJet
2 Stops
18h 00m
PDX - LGW
WestJet
$408
WestJet
5:00 am - 7:05 am
Air Canada
1 Stop
18h 05m
PDX - LHR
Air Canada
$415
Kiwi.com

Related info for your journey

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

Flight FAQs

From Portland International 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 International to London for under $700 on Cheapflights?

Yes, there are multiple flights from Portland International to London for under $700. The cheapest flight booked recently is on Icelandair for just $646, but on average you can expect to pay $663.

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

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

There are currently 20+ open flights from Portland International 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 International to London?

A quick flight from Portland International to London can take about 11h 26m. Delta provides one of the quickest options available for as low as $678. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from Portland International to London round-trip from $646. Other airlines that can offer you cheap pricing are American Airlines, from $671, and Delta, from $676. Icelandair is priced at 17% lower than the current average price of a flight leaving 3 months from now.

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

To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $359. WestJet flights start at $359 while deals on Air Canada start at $415 one-way.

Alternative routes for Portland International 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 International to London.
Today's exchange rate
$1 = £0.72
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 International to London

The chart below displays the airlines Cheapflights users traveling from Portland International 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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