Cheap flights from Portland (PDX) to London (LON) from $326

This is the cheapest one-way flight price, found on 5/24. Prices may vary by date and flight preferences.
PDX — LON
May 30 — Jun 61

The best prices from Portland to London are usually found in April or October, booked 60 days in advance, depart on a Wednesday or Monday and return on a Thursday

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 2023: compare Portland to London flight prices with the expected peak season, weather and rainfall in London.

Popular in

July

Cheapest in

April

Round-trip from

$746

One-way from

$395
High demand for flights, 32% potential price rise
Best time to find cheap flights, 19% potential price drop
From Portland to London (LON)
One-way flight from Portland to London (LON)

PDX - LON

Price

$746 - $1,360

LON

Temperature

39.2 - 62.6 °F

LON

Rainfall

1.6 - 2.8 inches

Cheap flights from Portland to London in May, June 2023

The best prices found for PDX to LON flights for May, June
Check out some of the best flight deals from Portland to London in 2023. Check back in a little while for more flight options.

Portland to London 2023 flight deals

Cheap flights to London from Portland found for this year
Check out some of the best flight deals from Portland to London in 2023. Check back in a little while for more flight options.

Cheap Finnair flights from Portland to London

Take a look at some of the lowest-priced Finnair flights heading from Portland to London. Come back soon if you're not finding the exact deal you're looking for.
  • If you’re traveling from Portland to London, one of the more common airlines traveling that route is Finnair. Portland to London flights are typically 86% cheaper than other airlines traveling the same route. Flights from Finnair typically cost $786.25 RT. The cheapest Finnair flight found for this route was $620. Portland Airport is the most common Portland airport to take off from when flying to London. London Heathrow Airport is the most popular arrival airport in London. When flying from Portland to London, Finnair flights are 1% more popular than any other airline flying that same route.

Cheap British Airways flights from Portland to London

Have a look at some of the cheapest available British Airways flights departing from Portland and landing in London. Check back soon if you're not seeing flights that suit your needs.
  • British Airways is one of the most popular airlines used for those traveling from Portland to London. Flights on this route from British Airways typically cost $974.30 RT, a price that is 72% more expensive than the average Portland to London flight. The cheapest flight found was $672 RT. The most popular departure airport in Portland when flying to London is Portland Airport. The most popular airport to fly into when visiting London is London Heathrow Airport. When flying from Portland to London, British Airways flights are 0% more popular than any other airline flying that same route.

Non-stop flights to London from Portland

Save time with Portland to London direct flight deals
To help reduce your travel time, choose from one of these non-stop flights from Portland to London. Search for alternative flights from Portland to London by utilizing the search form above.

Last minute flights from Portland to London

Late deals on return flights to London from Portland, departing today and this week
Have a look at some of the last-minute flights available departing from Portland to London. Users should examine the flight details to ensure there are no surprises.

One-way flights to London from Portland

The cheapest one-way flights from Portland to London
Take a look at some of the best available options we've come across on one-way flights from Portland to London. For those needing a return trip from Portland, there is a search form available above.

Find flights from Portland to London within your budget

Use the slider to find flights from Portland to London that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$664 - $702

Route

Depart

Return

Price

PortlandLondon Heathrow

PDX - LHR

PDXLHR

Portland

Wed 11/1

Nonstop2h 47m

London Heathrow

Fri 11/10

Nonstop17h 47m

PortlandLondon Gatwick

PDX - LGW

PDXLGW

Portland

Wed 10/25

1 stop14h 55m

London Gatwick

Thu 11/2

1 stop18h 13m

PortlandLondon Gatwick

PDX - LGW

PDXLGW

Portland

Mon 9/25

2 stops16h 07m

London Gatwick

Fri 10/6

2 stops30h 00m

PortlandLondon Heathrow

PDX - LHR

PDXLHR

Portland

Wed 11/1

Nonstop9h 25m

London Heathrow

Mon 11/6

2 stops40h 34m

PortlandLondon Heathrow

PDX - LHR

PDXLHR

Portland

Tue 10/31

2 stops17h 30m

London Heathrow

Thu 11/9

2 stops16h 14m

PortlandLondon Heathrow

PDX - LHR

PDXLHR

Portland

Wed 11/1

1 stop21h 20m

London Heathrow

Fri 11/10

2 stops24h 39m

PortlandLondon Heathrow

PDX - LHR

PDXLHR

Portland

Tue 10/10

1 stop11h 56m

London Heathrow

Tue 10/17

1 stop23h 35m

PortlandLondon Heathrow

PDX - LHR

PDXLHR

Portland

Wed 11/1

1 stop14h 45m

London Heathrow

Fri 11/10

Nonstop9h 50m

PortlandLondon Heathrow

PDX - LHR

PDXLHR

Portland

Tue 10/24

1 stop18h 40m

London Heathrow

Fri 11/3

2 stops33h 21m

Flights are sorted by cheapest first

Deals found on 5/24

Reviews of Airlines Servicing London

Read through reviews of airlines operating flights from Portland to London, such as Finnair, British Airways and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
2,341 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Reviews

1 / 10

Delayed at Airport for 2.5 hours due to OVERBOOKING! Missed connection flight, and had to wait another 1.5 hrs for luggage because it didn't make on our plane at our destination.

Delta
8.0
Very good
2,341 reviews
Delta
8.0
Very good
2,341 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Reviews

1 / 10

Delayed at Airport for 2.5 hours due to OVERBOOKING! Missed connection flight, and had to wait another 1.5 hrs for luggage because it didn't make on our plane at our destination.

SWISS
7.7
Good
347 reviews
Delta
8.0
Very good
2,341 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Reviews

1 / 10

Delayed at Airport for 2.5 hours due to OVERBOOKING! Missed connection flight, and had to wait another 1.5 hrs for luggage because it didn't make on our plane at our destination.

United Airlines
7.6
Good
1,484 reviews
Delta
8.0
Very good
2,341 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Reviews

1 / 10

Delayed at Airport for 2.5 hours due to OVERBOOKING! Missed connection flight, and had to wait another 1.5 hrs for luggage because it didn't make on our plane at our destination.

KLM
7.6
Good
159 reviews
Delta
8.0
Very good
2,341 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Reviews

1 / 10

Delayed at Airport for 2.5 hours due to OVERBOOKING! Missed connection flight, and had to wait another 1.5 hrs for luggage because it didn't make on our plane at our destination.

Air France
7.6
Good
188 reviews
Delta
8.0
Very good
2,341 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Reviews

1 / 10

Delayed at Airport for 2.5 hours due to OVERBOOKING! Missed connection flight, and had to wait another 1.5 hrs for luggage because it didn't make on our plane at our destination.

Related info for your journey

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

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
IcelandairCheapest$536Average$827FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Icelandair flights
FinnairCheapest$620Average$786FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Finnair flights
LufthansaCheapest$630Average$1,362FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights
KLMCheapest$647Average$821FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
DeltaCheapest$663Average$981FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
British AirwaysCheapest$668Average$1,013FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
Virgin AtlanticCheapest$670Average$1,078FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Virgin Atlantic flights
American AirlinesCheapest$672Average$974FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Air FranceCheapest$674Average$750FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Air France flights
IberiaCheapest$678Average$962FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights

Hourly flight availability from Portland to London

See what time of day planes typically take off from Portland to London
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
100%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Portland to London

See how many times per day planes take to the skies headed from Portland to London
Sunday5daily flights
Monday5daily flights
Tuesday0daily flights
Wednesday5daily flights
Thursday0daily flights
Friday5daily flights
Saturday0daily flights
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