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
39.2 - 62.6 °F
LON
Precipitation
1.6 - 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 (LON)

One-way from

$333

One-way flight from Portland to London (LON)

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Portland to London (PDX - LON)?

Unlike in the evening, when flights are generally more expensive, you can save up to 9% on flights from Portland to London by exploring options for tickets in the morning.

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

To save on the cost of your flight from Portland to London, book at least 61 days before your planned departure. Booking around this time can save you about 62% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $990 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,302.

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

August can be a great time to fly to London from Portland with a flight ticket averaging about $782. Cheapflights users have found deals in the month of August for as cheap as $545. The most expensive prices can be found in the month of December.

What is the cheapest day to fly round-trip from Portland to London?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Cheap flights from Portland to London in October, November 2021

The best prices found for PDX to LON flights for October, November
6 Nov - 12 Nov
$541pp
PDX
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
8 Nov - 15 Nov
$549pp
PDX
Portland
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
8 Nov - 15 Nov
$555pp
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
6 Nov - 12 Nov
$541pp
PDX
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
8 Nov - 15 Nov
$549pp
PDX
Portland
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
8 Nov - 15 Nov
$555pp
PDX
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
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
26 Oct - 2 Nov
$843pp
PDX
Portland
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
26 Oct - 2 Nov
$847pp
PDX
Portland
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PDX
Portland
26 Oct - 2 Nov
$854pp
PDX
Portland
Air Canada
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Air Canada
 
1 STOP
PDX
Portland

One-way flights to London from Portland

The cheapest one-way flights from Portland to London
2:05 am - 4:00 am
Iberia
1 Stop
17h 55m
PDX - LHR
Iberia
$333
SnapTravelAir
7:35 am - 6:20 am
WestJet
1 Stop
14h 45m
PDX - LGW
WestJet
$392
WestJet
10:00 am - 4:35 am
Multiple Airlines
3 Stops
34h 35m
PDX - LHR
Multiple Airlines
$394
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

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.

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.

Can I find flights from Portland to London for under $600 on Cheapflights?

Yes, there are multiple flights from Portland to London for under $600. The cheapest flight booked recently is on Multiple Airlines for just $541, but on average you can expect to pay $584.

Are there last-minute flights available from Portland to London for under $900?

There are currently 20+ open flights from Portland to London within the next 7 days for less than $900.

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

Cheapflights users have booked flights from Portland to London round-trip from $585. Other airlines that can offer you cheap pricing are Lufthansa, from $589, and Air Canada, from $596. You may be able to fly from Portland to London for 25% less than the average price by searching for these airlines.

What are the cheapest flights from Portland to London?

The cheapest flight price from Portland to London is $254. On average you can expect to pay $2,114. The most popular route, (Portland - London Heathrow), can usually be booked for $549.

What are the most popular airlines that fly from Portland to London?

When booking a flight from Portland to London, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

What are the most popular routes from Portland to London?

The most popular flight routes from Portland to London are Portland - London Heathrow, Portland - London City and Portland - London Gatwick.

COVID Restrictions

View COVID Travel Restrictions for London, England

Do I need a COVID test to fly to London from Portland?

Information is based on travel restrictions from Portland to London

Most visitors from Portland need to provide a negative COVID-19 test result and/or quarantine to enter London.

COVID-19 testing requirements
Visitors from Portland must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

Quarantine requirements
Visitors from Portland are not required to quarantine after entering London.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Do I need a test to fly back to Portland from London?

Returning to Portland from London

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Portland.

Quarantine requirements
Visitors from London are not required to quarantine after entering Portland.

Hide COVID Travel Restrictions for London, England

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 = £0.73
Average temperature for October in London
60.8 °F
Avg rainfall for October in London
2.8 ″

Airports servicing Portland

Airports servicing London

Gatwick (LGW)
Stansted (STN)
London City (LCY)
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%
American Airlines
$494 $860 No cancel fee 71%
Finnair
$536 $909 No cancel fee 76%
Air Canada
$557 $845 No cancel fee 67%
United Airlines
$581 $919 No cancel fee 69%
Lufthansa
$587 $849 No cancel fee 76%
KLM
$605 $845 No cancel fee 75%
Virgin Atlantic
$645 $857 No cancel fee 72%
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