Cheap flights from London Heathrow Airport to Portland from £291
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
7 Apr — 14 Apr1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Portland are usually found in November or February, booked 73 days in advance, depart on a Wednesday or Thursday and return on a Friday
Cheap flight deals from Heathrow to Portland
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Cheapest flights from Heathrow to Portland
Explore the most affordable flight options available from Heathrow to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 March 2026.
Wed 15/410:15
LHR
-
PDX
2 stops54h 55m
Air Canada
Sat 18/407:15
PDX
-
LHR
2 stops46h 05m
Air Canada
Deal found 6/3£470
Fri 17/407:05
LHR
-
PDX
2 stops18h 55m
Multiple Airlines
Sat 25/415:30
PDX
-
LHR
2 stops16h 55m
Multiple Airlines
Deal found 5/3£482
Mon 20/406:30
LHR
-
PDX
2 stops22h 02m
Multiple Airlines
Wed 13/514:51
PDX
-
LHR
1 stop15h 19m
Multiple Airlines
Deal found 3/3£505
Sat 22/808:40
LHR
-
PDX
2 stops23h 14m
Multiple Airlines
Sat 12/912:31
PDX
-
LHR
2 stops33h 49m
Multiple Airlines
Deal found 3/3£521
Tue 10/1120:35
LHR
-
PDX
1 stop28h 25m
Icelandair
Tue 17/1114:45
PDX
-
LHR
1 stop12h 05m
Icelandair
Deal found 4/3£544
Wed 15/413:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Mon 20/415:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 7/3£547
Tue 21/421:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Tue 28/415:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 7/3£551
Mon 21/921:25
LHR
-
PDX
1 stop28h 30m
Icelandair
Thu 1/1015:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 7/3£552
Mon 20/413:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Mon 4/515:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 5/3£555
Best flights from Heathrow to Portland
Discover carefully curated flight deals from Heathrow to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 March 2026.
Mon 20/408:55
LHR
-
PDX
1 stop16h 04m
British Airways
Mon 4/506:22
PDX
-
LHR
1 stop16h 28m
British Airways
Deal found 5/3£629
Wed 15/406:00
LHR
-
PDX
2 stops24h 34m
SWISS
Wed 22/413:39
PDX
-
LHR
2 stops20h 11m
SWISS
Deal found 6/3£632
Fri 1/506:30
LHR
-
PDX
1 stop12h 40m
Delta
Wed 13/507:00
PDX
-
LHR
1 stop15h 45m
Delta
Deal found 6/3£689
Fri 28/815:05
LHR
-
PDX
1 stop12h 01m
United Airlines
Sat 5/908:35
PDX
-
LHR
2 stops19h 45m
United Airlines
Deal found 5/3£805
Tue 4/806:40
LHR
-
PDX
2 stops23h 42m
Scandinavian Airlines
Tue 18/813:00
PDX
-
LHR
2 stops24h 40m
Scandinavian Airlines
Deal found 4/3£893
Thu 16/420:05
LHR
-
PDX
2 stops34h 29m
SWISS
Mon 20/413:39
PDX
-
LHR
2 stops20h 11m
SWISS
Deal found 7/3£663
Thu 16/406:30
LHR
-
PDX
1 stop12h 40m
Delta
Wed 22/418:05
PDX
-
LHR
1 stop13h 30m
Delta
Deal found 7/3£690
Fri 28/815:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Sat 5/913:20
PDX
-
LHR
1 stop13h 55m
British Airways
Deal found 4/3£804
Sat 8/806:40
LHR
-
PDX
2 stops20h 01m
Scandinavian Airlines
Sat 15/813:00
PDX
-
LHR
2 stops20h 40m
Scandinavian Airlines
Deal found 4/3£962
Fri 31/715:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Sat 12/1213:28
PDX
-
LHR
1 stop12h 57m
British Airways
Deal found 6/3£1,036
Direct flights from Heathrow to Portland
Explore direct flight options from Heathrow to Portland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 March 2026.
Mon 4/515:40
LHR
-
PDX
Nonstop10h 00m
American Airlines
Mon 18/519:30
PDX
-
LHR
Nonstop9h 30m
American Airlines
Deal found 4/3£625
Mon 20/415:40
LHR
-
PDX
Nonstop10h 00m
American Airlines
Mon 4/519:30
PDX
-
LHR
Nonstop9h 30m
American Airlines
Deal found 4/3£640
Mon 13/415:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Mon 27/419:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 5/3£643
Tue 21/415:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Tue 28/419:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 7/3£650
Mon 13/415:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Thu 23/419:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 7/3£652
Thu 28/515:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Fri 12/619:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 3/3£655
Mon 20/415:40
LHR
-
PDX
Nonstop10h 00m
American Airlines
Mon 27/419:30
PDX
-
LHR
Nonstop9h 30m
American Airlines
Deal found 6/3£655
Mon 4/515:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Mon 18/519:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 7/3£656
Last-minute flights from Heathrow to Portland
Discover last-minute flight deals from Heathrow to Portland. Data last updated 8 March 2026 and is based on user searches.
Wed 18/312:15
LHR
-
PDX
1 stop12h 45m
Icelandair
Sat 28/315:45
PDX
-
LHR
1 stop12h 10m
Icelandair
Deal found 5/3£557
Wed 15/410:15
LHR
-
PDX
2 stops54h 55m
Air Canada
Sat 18/407:15
PDX
-
LHR
2 stops46h 05m
Air Canada
Deal found 6/3£470
Wed 15/413:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Mon 20/415:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 7/3£547
Wed 15/413:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Tue 21/415:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 7/3£575
Fri 17/407:05
LHR
-
PDX
2 stops18h 55m
Multiple Airlines
Sat 25/415:30
PDX
-
LHR
2 stops16h 55m
Multiple Airlines
Deal found 5/3£482
Fri 17/414:30
LHR
-
PDX
1 stop17h 28m
Multiple Airlines
Fri 24/409:54
PDX
-
LHR
1 stop16h 21m
Multiple Airlines
Deal found 3/3£579
Mon 20/406:30
LHR
-
PDX
2 stops22h 02m
Multiple Airlines
Wed 13/514:51
PDX
-
LHR
1 stop15h 19m
Multiple Airlines
Deal found 3/3£505
Mon 20/413:05
LHR
-
PDX
1 stop12h 55m
Icelandair
Mon 4/515:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 5/3£555
Tue 21/421:25
LHR
-
PDX
1 stop28h 35m
Icelandair
Tue 28/415:30
PDX
-
LHR
1 stop20h 50m
Icelandair
Deal found 7/3£551
Tue 21/419:30
LHR
-
PDX
3 stops30h 30m
Multiple Airlines
Tue 28/415:30
PDX
-
LHR
3 stops22h 05m
Multiple Airlines
Deal found 7/3£581
One-way flights from Heathrow to Portland
Search for one-way flight options from Heathrow to Portland. Find affordable one-way fares based on user searches. Data last updated 8 March 2026.
Mon 13/409:55
LHR
-
PDX
3 stops35h 07m
Multiple Airlines
Deal found 4/3£291
Mon 18/515:00
LHR
-
PDX
3 stops30h 50m
Multiple Airlines
Deal found 5/3£330
Wed 15/409:55
LHR
-
PDX
2 stops42h 40m
Multiple Airlines
Deal found 5/3£338
Sat 18/420:50
LHR
-
PDX
2 stops44h 45m
Multiple Airlines
Deal found 4/3£338
Tue 17/314:50
LHR
-
PDX
3 stops29h 56m
Multiple Airlines
Deal found 3/3£344
Wed 20/506:40
LHR
-
PDX
3 stops39h 32m
Multiple Airlines
Deal found 3/3£353
Sun 19/422:25
LHR
-
PDX
3 stops43h 10m
Multiple Airlines
Deal found 5/3£356
Sun 24/522:00
LHR
-
PDX
3 stops47h 50m
Multiple Airlines
Deal found 4/3£368
Find flight deals from Heathrow to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 March 2026.
Customise your flight search to find flights from Heathrow to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 8 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Mon 20/4
08:55-16:59
1 stop16h 04m
Portland
Mon 4/5
06:22-06:50
1 stop16h 28m
£629
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Wed 15/4
06:00-22:34
2 stops24h 34m
Portland
Wed 22/4
13:39-17:50
2 stops20h 11m
£632
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Thu 16/4
20:05-22:34
2 stops34h 29m
Portland
Mon 20/4
13:39-17:50
2 stops20h 11m
£663
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Fri 1/5
06:30-11:10
1 stop12h 40m
Portland
Wed 13/5
07:00-06:45
1 stop15h 45m
£689
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Thu 16/4
06:30-11:10
1 stop12h 40m
Portland
Wed 22/4
18:05-15:35
1 stop13h 30m
£690
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Fri 28/8
15:40-17:40
Nonstop10h 00m
Portland
Sat 5/9
13:20-11:15
1 stop13h 55m
£804
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Fri 28/8
15:05-19:06
1 stop12h 01m
Portland
Sat 5/9
08:35-12:20
2 stops19h 45m
£805
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Tue 4/8
06:40-22:22
2 stops23h 42m
Portland
Tue 18/8
13:00-21:40
2 stops24h 40m
£893
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Sat 8/8
06:40-18:41
2 stops20h 01m
Portland
Sat 15/8
13:00-17:40
2 stops20h 40m
£962
Fastest return journey
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Fri 31/7
15:40-17:40
Nonstop10h 00m
Portland
Sat 12/12
13:28-10:25
1 stop12h 57m
£1,036
Flights are sorted by cheapest return flights first.
Deals found on 7/3
Showing 1-10 of 20 resultsSorted by cheapest first
1
2
Best time to book a flight from Heathrow to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Heathrow with our price prediction graph.
LHR-PDX
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Portland
Prices
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Portland?
Use this chart to determine the optimal time to book a return flight from Heathrow to Portland. Price data was last updated on 6 March 2026.
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Portland, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London Heathrow Airport to Portland?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of £452). Flying from London Heathrow Airport to Portland in January is currently the most expensive (average of £557). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LHR to PDX?
Find hourly flight availability from Heathrow to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 March 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Portland as you normally would.
How much does it cost for a return flight from London Heathrow Airport to Portland?
How often are flights from London to Portland delayed?
About 20% of weekly flights between London and Portland have experienced delays in the past year, with the average delay time being 121 minutes.
What is the most punctual flight time for London to Portland flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Portland flights?
Over the past year, British Airways have had the lowest number of delays on this route, with just 20% of flights being delayed.
What’s the top stopover airport for flights from London Heathrow Airport to Portland?
Share of one-stop return flights from London Heathrow Airport to Portland chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Reykjavik (KEF) – chosen by Cheapflights users on 40% of one-stop itineraries from London Heathrow Airport to Portland on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Portland?
Average return fare for one-stop flights from London Heathrow Airport to Portland, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Calgary (YYC) is the most affordable one-stop option, with an average return flight price of £470.
What’s the fastest stopover option from London Heathrow Airport to Portland?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Portland, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Vancouver (YVR) have the shortest average one-way travel time for one-stop routes: 12h 44m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Portland?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Portland, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Salt Lake City (SLC) offer the fastest connection on this route, with an average stopover time of 1h 15m.
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 8 March 2026.
Read reviews from past customers who have flown with Finnair, Virgin Atlantic, andIcelandair
from London Heathrow Airport to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
baggage allowance was different between the outgoing and inbound flights
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Portland from London Heathrow?
Portland (PDX), located 6.0 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Portland. 10 airlines have flights to Portland from London Heathrow on a regular basis. Booking flights from London Heathrow to Portland should not be difficult; the airport handles an average of 2 inbound flights from London Heathrow per day.
How long is the flight from London Heathrow Airport to Portland?
British Airways, SWISS, and Delta can get you from London Heathrow Airport to Portland in just under 12h 40m. Your travel time can differ by up to 11h 54m. London Heathrow Airport and Portland are separated by a distance of 4896 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London Heathrow Airport to Portland round-trip?
Currently priced at £425, Icelandair will fly you from London Heathrow Airport to Portland and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and Air Canada - these airlines can fly you to your destination from £496 and £497, respectively. Users have found that Icelandair is 35% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to Portland one-way?
The cheapet airlines for a one-way flight from London Heathrow Airport to Portland are British Airways (£426), Virgin Atlantic (£427), and Finnair (£556).
What are the most reliable airlines from London Heathrow Airport to Portland?
Before booking your flight to Portland from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (70%), Alaska Airlines (70%), Aer Lingus( 70%).
What are the cheapest flights from London Heathrow Airport to Portland?
Looking at all options, your cheapest flight can be booked for £490. While the most popular route (London Heathrow - Portland) can be booked for £549 on average, our data indicates £1,082 when flying from London Heathrow Airport to Portland.
Can I find deals for business class flights from Heathrow to Portland?
Yes. Cheapflights offers flight deals from Heathrow to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Portland?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of £452). Flying from London Heathrow Airport to Portland in January is currently the most expensive (average of £557). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 March 2026.
Discover the top 10 airlines that operate flights from Heathrow to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 8 March 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Portland?
Cheapflights helps you search for flights from Heathrow to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Portland?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Portland for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Heathrow to Portland with no change fees?
Yes, we can. To see specific flights from Heathrow to Portland with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Heathrow to Portland become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portland from Heathrow today and book when prices fit your budget.
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