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Cheap flights from London Heathrow Airport to Portland from £253

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Portland departing on 7/6. 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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Find the cheapest flights from London Heathrow Airport to Portland

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Portland.
Icelandair Logo
13:05 - 17:55LHR-PDX
12h 50m1 stop
Icelandair Logo
15:20 - 11:55PDX-LHR
12h 35m1 stop
£470Icelandair
Find Deal
Fri, 5 Sep - Thu, 18 Sep
Icelandair Logo
13:05 - 17:55LHR-PDX
12h 50m1 stop
Icelandair Logo
15:20 - 11:55PDX-LHR
12h 35m1 stop
£473Icelandair
Find Deal
Fri, 5 Sep - Thu, 18 Sep
British Airways Logo
15:40 - 17:35LHR-PDX
9h 55mdirect
British Airways Logo
14:16 - 12:30PDX-LHR
14h 14m1 stop
£542British Airways
Find Deal
Mon, 15 Sep - Mon, 29 Sep
British Airways Logo
14:25 - 23:04LHR-PDX
16h 39m1 stop
British Airways Logo
19:25 - 13:00PDX-LHR
9h 35mdirect
£550British Airways
Find Deal
Tue, 9 Sep - Mon, 22 Sep
Virgin Atlantic Logo
19:15 - 11:20LHR-PDX
24h 05m1 stop
Virgin Atlantic Logo
07:14 - 08:50PDX-LHR
17h 36m1 stop
£560Virgin Atlantic
Find Deal
Tue, 6 May - Mon, 12 May
Finnair Logo
14:45 - 23:59LHR-PDX
17h 14m1 stop
Finnair Logo
19:25 - 13:00PDX-LHR
9h 35mdirect
£562Finnair
Find Deal
Sun, 11 May - Fri, 23 May
Virgin Atlantic Logo
19:15 - 11:20LHR-PDX
24h 05m1 stop
Virgin Atlantic Logo
07:14 - 08:50PDX-LHR
17h 36m1 stop
£564Virgin Atlantic
Find Deal
Tue, 6 May - Mon, 12 May
Finnair Logo
15:40 - 17:35LHR-PDX
9h 55mdirect
Finnair Logo
13:55 - 12:45PDX-LHR
14h 50m1 stop
£574Finnair
Find Deal
Tue, 6 May - Mon, 12 May
Iberia Logo
15:40 - 17:35LHR-PDX
9h 55mdirect
Iberia Logo
19:25 - 13:00PDX-LHR
9h 35mdirect
£600Iberia
Find Deal
Tue, 16 Sep - Tue, 23 Sep
Iberia Logo
15:40 - 17:35LHR-PDX
9h 55mdirect
Iberia Logo
19:25 - 13:00PDX-LHR
9h 35mdirect
£631Iberia
Find Deal
Fri, 5 Sep - Sat, 20 Sep

Delta flights from London Heathrow Airport to Portland

Our best Delta deals on London Heathrow Airport to Portland flight tickets
Delta
30 Apr
LHR06:30London Heathrow
12h 50m
1 stop
PDX11:20Portland
4 May
PDX23:19Portland
23h 26m
1 stop
LHR06:45London Heathrow
Delta
30 Apr
LHR06:30London Heathrow
20h 40m
2 stops
PDX19:10Portland
4 May
PDX23:19Portland
23h 26m
1 stop
LHR06:45London Heathrow
Delta
28 Apr
LHR09:55London Heathrow
17h 15m
2 stops
PDX19:10Portland
12 May
PDX09:10Portland
17h 35m
2 stops
LHR10:45London Heathrow

United Airlines flights from London Heathrow Airport to Portland

Our best United Airlines deals on London Heathrow Airport to Portland flight tickets
United Airlines
9 May
LHR06:30London Heathrow
20h 15m
2 stops
PDX18:45Portland
18 May
PDX13:45Portland
16h 25m
1 stop
LHR14:10London Heathrow
United Airlines
6 May
LHR06:30London Heathrow
16h 10m
2 stops
PDX14:40Portland
12 May
PDX10:21Portland
16h 49m
2 stops
LHR11:10London Heathrow
United Airlines
28 Apr
LHR07:25London Heathrow
18h 02m
2 stops
PDX17:27Portland
12 May
PDX08:45Portland
16h 55m
1 stop
LHR09:40London Heathrow

See travel insights to Portland from

How to get the cheapest flight ticket from London Heathrow Airport to Portland

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 typical price of a round-trip flight between London Heathrow Airport and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from London Heathrow Airport is in November. Flight prices, which tend to average around £587, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in November, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £593.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as £660. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around £837.

What is the cheapest time of day to depart on your flight to Portland?

Flying to Portland from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as £614 when looking at flights departing in the morning. Try not to purchase tickets in the afternoon because they tend to be around £767. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Portland flight route?

Fly from London Heathrow to Portland for the best London Heathrow - Portland flight prices

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

You are more likely to see cheaper flights to Portland from London Heathrow Airport when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around £680 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from London Heathrow Airport for as low as £622 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Portland flight prices changed over time?

As of April 2025, prices for London Heathrow Airport to Portland flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Portland (LHR to PDX) flight deals and tips

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

Best price found

£253

Fastest flight time

9h 55m

Direct flights

Every day

Airports in Portland

1 airport
The best one-way flight to Portland from London Heathrow Airport in the past 72 hours is £253. The best return flight deal from London Heathrow Airport to Portland found on momondo in the last 72 hours is £470.
The fastest flight from London Heathrow Airport to Portland takes 9h 55m
Direct flights go from London Heathrow Airport to Portland every day.
There is 1 airport near Portland: Portland (PDX)

  • How far is London Heathrow to Portland by plane?

    The straight-line distance from London Heathrow to Portland is 4902.4 mi. Typically, this will take 9h 55m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Portland Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London Heathrow Airport to Portland?

  • What is the most popular airline from London Heathrow Airport to Portland?


Best airlines flying from London Heathrow Airport to Portland

Compare and see reviews for airlines that fly from London Heathrow Airport to Portland with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £444Free CancellationRating
7.0
484 reviews
Search Icelandair flights
FinnairPriceFrom £490Free CancellationRating
7.6
1,272 reviews
Search Finnair flights
Air CanadaPriceFrom £498Free CancellationRating
7.0
9,179 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom £511Free CancellationRating
7.4
642 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £513Free CancellationRating
6.6
6,793 reviews
Search British Airways flights
United AirlinesPriceFrom £516Free CancellationRating
7.4
8,684 reviews
Search United Airlines flights
LufthansaPriceFrom £520Free CancellationRating
6.7
7,020 reviews
Search Lufthansa flights
IberiaPriceFrom £545Free CancellationRating
7.0
2,682 reviews
Search Iberia flights
KLMPriceFrom £557Free CancellationRating
7.8
1,331 reviews
Search KLM flights
  • Finnair Flights From London Heathrow Airport to Portland

    The lowest priced Finnair flight from London Heathrow Airport to Portland from the last 72 hours was £655. Generally, Finnair has 7 flights on this route every week with an average price of £825. Finnair is rated 7.6/10 by our users.

  • Iberia Flights From London Heathrow Airport to Portland

    Iberia (7.0/10 from 2,682 reviews) operates around 7 flights from London Heathrow Airport to Portland in any given week. The average Iberia airfare for this route is around £1,052, with deals from around £729 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Portland flight searches in the last 72 hours.


Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Cannon Beach
Vancouver
Seaside
Astoria

Why use momondo?

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

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 Portland from London.

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

Yes. momondo enables you to select and highlight flights to Portland from London with this policy.

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

momondo helps you find the best flight between London and Portland 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 London to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from London and alert you when they change.


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