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Cheap flights from Portland to London from $323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to London departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Mon 5/20

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Easily compare round-trip flights from Portland to London

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Portland to London by changing tabs
Icelandair
Oct 2
PDX3:20 pmPortland
21h 00m
1 stop
LHR8:20 pmLondon Heathrow
Oct 17
LHR9:25 pmLondon Heathrow
28h 30m
1 stop
PDX5:55 pmPortland
British Airways
Oct 2
PDX7:15 pmPortland
9h 30m
LHR12:45 pmLondon Heathrow
Oct 17
LHR3:30 pmLondon Heathrow
9h 55m
PDX5:25 pmPortland
Multiple Airlines
Sep 29
PDX10:20 amPortland
15h 40m
2 stops
LHR10:00 amLondon Heathrow
Oct 10
LHR8:40 amLondon Heathrow
17h 37m
2 stops
PDX6:17 pmPortland
United Airlines
Sep 24
PDX4:06 pmPortland
12h 14m
1 stop
LHR12:20 pmLondon Heathrow
Oct 25
LHR2:05 pmLondon Heathrow
29h 39m
2 stops
PDX11:44 amPortland
Lufthansa
Sep 27
PDX3:25 pmPortland
55h 05m
2 stops
LHR6:30 amLondon Heathrow
Oct 14
LHR4:25 pmLondon Heathrow
37h 47m
2 stops
PDX10:12 pmPortland
American Airlines
Sep 1
PDX11:35 amPortland
17h 10m
1 stop
LHR12:45 pmLondon Heathrow
Sep 13
LHR9:15 amLondon Heathrow
19h 07m
1 stop
PDX8:22 pmPortland

Find the cheapest one-way flights from Portland to London

If you're looking for one-way flights from Portland to London, view some of our deals below provided by Iberia, Icelandair and WestJet
Multiple Airlines
Aug 20
PDX10:30 amPortland
25h 50m
2 stops
LHR8:20 pmLondon Heathrow
WestJet
Oct 18
PDX2:00 pmPortland
14h 00m
1 stop
LHR12:00 pmLondon Heathrow
Icelandair
Sep 26
PDX3:20 pmPortland
12h 35m
1 stop
LHR11:55 amLondon Heathrow

Search last-minute flights to London from Portland

Find and compare round-trip flight prices for your last-minute flight from Portland to London
Multiple Airlines
May 17
PDX11:40 pmPortland
25h 15m
2 stops
LHR8:55 amLondon Heathrow
May 20
LHR6:40 amLondon Heathrow
23h 00m
2 stops
PDX9:40 pmPortland
Air Canada
May 15
PDX6:00 amPortland
20h 00m
2 stops
LHR10:00 amLondon Heathrow
Jun 19
LHR8:40 amLondon Heathrow
17h 37m
2 stops
PDX6:17 pmPortland
Finnair
May 15
PDX7:15 pmPortland
9h 30m
LHR12:45 pmLondon Heathrow
May 30
LHR3:30 pmLondon Heathrow
9h 55m
PDX5:25 pmPortland
United Airlines
May 15
PDX8:56 amPortland
19h 24m
1 stop
LHR12:20 pmLondon Heathrow
Jun 5
LHR7:25 amLondon Heathrow
19h 16m
2 stops
PDX6:41 pmPortland
Lufthansa
May 14
PDX10:28 amPortland
19h 42m
1 stop
LHR2:10 pmLondon Heathrow
May 29
LHR10:50 amLondon Heathrow
19h 20m
2 stops
PDX10:10 pmPortland
American Airlines
May 15
PDX5:18 amPortland
24h 17m
1 stop
LHR1:35 pmLondon Heathrow
Jun 19
LHR9:15 amLondon Heathrow
18h 45m
1 stop
PDX8:00 pmPortland

Best airlines flying from Portland to London

Compare and see reviews for airlines that fly from Portland to London with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $273Free CancellationRating
7.5
2,945 reviews
Search WestJet flights
IcelandairPriceFrom $568Free CancellationRating
7.1
1,329 reviews
Search Icelandair flights
KLMPriceFrom $580Free CancellationRating
7.8
1,592 reviews
Search KLM flights
DeltaPriceFrom $587Free CancellationRating
8.0
10,789 reviews
Search Delta flights
FinnairPriceFrom $620Free CancellationRating
7.7
1,379 reviews
Search Finnair flights
United AirlinesPriceFrom $624Free CancellationRating
7.4
11,043 reviews
Search United Airlines flights
American AirlinesPriceFrom $630Free CancellationRating
7.3
14,677 reviews
Search American Airlines flights
Air CanadaPriceFrom $637Free CancellationRating
7.0
6,918 reviews
Search Air Canada flights
IberiaPriceFrom $639Free CancellationRating
7.1
2,745 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $654Free CancellationRating
7.7
739 reviews
Search Virgin Atlantic flights
  • Finnair Flights From Portland to London

    The lowest priced Finnair flight from Portland to London from the last 72 hours was $620. Generally, Finnair has 4 flights on this route every week with an average price of $995. Finnair is rated 7.7/10 by our users.

  • American Airlines Flights From Portland to London

    Across 14,677 American Airlines reviews on momondo, the average score is 7.3/10. American Airlines flies from Portland to London about 4 times each week, with ticket deals ranging from $630 to $913. Price data is based on momondo searches in the last 72 hours.


United Airlines flights from Portland to London

Our best United Airlines deals on Portland to London flight tickets
United Airlines
Sep 24
PDX4:06 pmPortland
12h 14m
1 stop
LHR12:20 pmLondon Heathrow
Oct 25
LHR2:05 pmLondon Heathrow
29h 39m
2 stops
PDX11:44 amPortland
United Airlines
Sep 24
PDX4:01 pmPortland
31h 24m
2 stops
LHR7:25 amLondon Heathrow
Oct 23
LHR2:10 pmLondon Heathrow
27h 32m
1 stop
PDX9:42 amPortland
United Airlines
Sep 21
PDX10:40 pmPortland
14h 00m
1 stop
LHR8:40 pmLondon Heathrow
Oct 2
LHR6:50 amLondon Heathrow
19h 35m
2 stops
PDX6:25 pmPortland

Lufthansa flights from Portland to London

Our best Lufthansa deals on Portland to London flight tickets
Lufthansa
Sep 27
PDX3:25 pmPortland
55h 05m
2 stops
LHR6:30 amLondon Heathrow
Oct 14
LHR4:25 pmLondon Heathrow
37h 47m
2 stops
PDX10:12 pmPortland
Lufthansa
Nov 4
PDX10:40 amPortland
60h 30m
2 stops
LHR7:10 amLondon Heathrow
Nov 11
LHR7:15 pmLondon Heathrow
37h 04m
2 stops
PDX12:19 amPortland
Lufthansa
Sep 27
PDX3:25 pmPortland
55h 05m
2 stops
LHR6:30 amLondon Heathrow
Oct 8
LHR6:30 amLondon Heathrow
19h 47m
2 stops
PDX6:17 pmPortland

How to get the cheapest flight ticket from Portland to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

February. The cheapest time of year to fly to London from Portland is February. Most expensive is June

What is the cheapest day to depart Portland for London?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday

When is the cheapest time to fly from Portland to London?

In the afternoon. Portland to London flights are approximately 18% more expensive in the evening than in the afternoon

What is the cheapest airline that flies to London from Portland?

Air France. Air France, American Airlines, and Iberia are the most popular carriers operating from Portland to London

What is the cheapest Portland to London flight route?

Portland - London Gatwick. Fly from Portland to London Gatwick for the best Portland - London flight prices

How far in advance should you book Portland to London flights?

36 days before. The cheapest time to buy a flight from Portland to London is approximately 36 days to departure

How many flights depart from Portland to London on average per day?

As of May 2024, 2 flights take off from Portland and land in London each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

How many flights depart from Portland to London on average per week?

The number of flights available between Portland and London is 20 per week as of May 2024. The most frequent departure day is Sunday, with 25% of weekly flights leaving on this day.

What cabin class options are available on Portland to London flights?

There are 2 cabin classes available to choose from on Portland to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to London flights?

You could potentially save up to 29% on your flight if you consider stops on a Portland to London flight.

Cheap Portland to London (PDX to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to London

Best Price Found

$323

Fastest flight time

9h 30m

Direct flights

Every day

Airports in London

4 airports
The best one-way flight to London from Portland in the past 72 hours is $323. The best round-trip flight deal from Portland to London found on momondo in the last 72 hours is $740.
The fastest flight from Portland to London takes 9h 30m
Direct flights go from Portland to London every day.
There are 4 airports near London: London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

  • How far is Portland to London by plane?

    The distance between Portland and London is about 4909.8 mi. Typically, this will take 9h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to London?

    Prices for flights from Portland Airport to London are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to London?

  • How old do you have to be to fly from Portland Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from Portland to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Portland.

Can I find flights from Portland to London with flexible booking policies on momondo?

All flight searches from Portland to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to London?

momondo helps you find the best flight between Portland and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Mon 5/13
Mon 5/20
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