Cheap flights from London Heathrow Airport to Portland from £379
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
9 Dec — 16 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Portland are usually found in February or March, booked 60 days in advance, depart on a Tuesday or Friday and return on a Saturday
Cheap flight deals from Heathrow to Portland
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
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 9 November 2026.
Tue 17/1110:20 -
2 stops18h 36m
Sat 13/313:00 -
2 stops21h 30m
Deal found 5/11£609
Fri 13/1106:40 -
2 stops24h 00m
Tue 1/1211:01 -
3 stops23h 29m
Deal found 9/11£615
Tue 10/1106:40 -
2 stops23h 20m
Mon 23/1111:00 -
3 stops22h 40m
Deal found 6/11£621
Mon 16/1106:40 -
2 stops23h 20m
Sat 13/313:00 -
2 stops21h 30m
Deal found 5/11£625
Thu 24/1217:00 -
2 stops36h 24m
Sun 10/107:00 -
2 stops18h 20m
Deal found 8/11£626
Mon 23/1106:40 -
2 stops18h 20m
Mon 30/1114:45 -
1 stop20h 45m
Deal found 6/11£634
Wed 18/1106:40 -
2 stops22h 16m
Wed 9/1211:01 -
3 stops20h 59m
Deal found 8/11£648
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 9 November 2026.
Thu 8/407:05 -
2 stops22h 22m
Tue 13/407:00 -
2 stops25h 25m
Deal found 8/11£675
Fri 8/116:20 -
2 stops27h 56m
Sat 9/119:24 -
2 stops17h 56m
Deal found 8/11£721
Mon 7/1206:30 -
1 stop12h 50m
Wed 23/1206:05 -
1 stop17h 00m
Deal found 9/11£771
Sat 26/1220:35 -
1 stop28h 25m
Tue 5/114:45 -
1 stop20h 45m
Deal found 4/11£779
Mon 7/1213:35 -
Nonstop10h 15m
Wed 23/1217:45 -
Nonstop9h 35m
Deal found 7/11£787
Thu 10/1213:10 -
1 stop17h 00m
Mon 14/1217:45 -
Nonstop9h 35m
Deal found 6/11£829
Thu 24/1212:05 -
1 stop16h 32m
Tue 12/119:19 -
1 stop28h 06m
Deal found 8/11£785
Thu 24/1214:30 -
1 stop26h 56m
Sun 10/107:00 -
1 stop16h 40m
Deal found 4/11£797
Mon 7/1206:40 -
2 stops23h 38m
Wed 23/1211:05 -
3 stops26h 30m
Deal found 7/11£894
Thu 3/1214:30 -
1 stop26h 56m
Sun 20/1223:42 -
1 stop22h 58m
Deal found 5/11£814
Sat 12/1214:30 -
1 stop26h 56m
Sun 20/1223:42 -
1 stop22h 58m
Deal found 5/11£814
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 9 November 2026.
Mon 22/313:35 -
Nonstop10h 15m
Wed 31/320:25 -
Nonstop9h 35m
Deal found 6/11£643
Mon 19/416:30 -
Nonstop10h 05m
Sun 2/520:25 -
Nonstop9h 35m
Deal found 8/11£721
Mon 7/1213:35 -
Nonstop10h 15m
Wed 23/1217:45 -
Nonstop9h 35m
Deal found 8/11£743
Mon 7/1213:35 -
Nonstop10h 15m
Wed 23/1217:45 -
Nonstop9h 35m
Deal found 8/11£752
Tue 13/416:30 -
Nonstop10h 05m
Thu 6/520:25 -
Nonstop9h 35m
Deal found 7/11£759
Fri 5/313:35 -
Nonstop10h 15m
Mon 15/318:45 -
Nonstop9h 35m
Deal found 7/11£760
Wed 2/1213:35 -
Nonstop10h 15m
Wed 9/1217:45 -
Nonstop9h 35m
Deal found 4/11£764
Mon 23/1113:35 -
Nonstop10h 15m
Mon 30/1117:45 -
Nonstop9h 35m
Deal found 6/11£772
Mon 7/1213:35 -
Nonstop10h 15m
Wed 23/1217:45 -
Nonstop9h 35m
Deal found 5/11£776
Last-minute flights from Heathrow to Portland
Discover last-minute flight deals from Heathrow to Portland. Data last updated 9 November 2026 and is based on user searches.
Tue 10/1106:40 -
2 stops23h 20m
Mon 23/1111:00 -
3 stops22h 40m
Deal found 6/11£621
Fri 13/1106:40 -
2 stops24h 00m
Tue 1/1211:01 -
3 stops23h 29m
Deal found 9/11£615
Mon 16/1106:40 -
2 stops23h 20m
Sat 13/313:00 -
2 stops21h 30m
Deal found 5/11£625
Tue 17/1110:20 -
2 stops18h 36m
Sat 13/313:00 -
2 stops21h 30m
Deal found 5/11£609
Wed 18/1106:40 -
2 stops22h 16m
Wed 9/1211:01 -
3 stops20h 59m
Deal found 8/11£648
Mon 23/1106:40 -
2 stops18h 20m
Mon 30/1114:45 -
1 stop20h 45m
Deal found 6/11£634
Thu 24/1217:00 -
2 stops36h 24m
Sun 10/107:00 -
2 stops18h 20m
Deal found 8/11£626
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 9 November 2026.
Sat 12/1209:55 -
3 stops39h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11£379
Wed 18/1106:40 -
2 stops18h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£383
Sun 6/1209:55 -
3 stops45h 36m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11£384
Tue 9/320:50 -
3 stops28h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11£398
Wed 7/406:40 -
2 stops19h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11£403
Tue 12/106:40 -
2 stops18h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£410
Tue 8/1207:05 -
3 stops41h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£414
Tue 15/1209:55 -
3 stops45h 53m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/11£418
Sat 14/1113:55 -
2 stops35h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/11£419
Wed 13/120:50 -
2 stops55h 42m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/11£422
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 9 November 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 7,457,451 searches. Data last updated 9 November 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 London Heathrow - PDX Portland
LHRPDX
London Heathrow
Wed 16/12
08:15-22:59
3 stops46h 44m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£468
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Mon 3/5
09:30-22:18
3 stops20h 48m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£525
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Mon 4/1
17:20-14:09
2 stops28h 49m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£533
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Tue 5/1
16:35-20:53
1 stop36h 18m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£533
Fastest return journey
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Wed 2/12
12:15-17:00
1 stop12h 45m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£542
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Fri 8/1
06:30-20:53
2 stops22h 23m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£557
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Thu 31/12
10:45-22:22
1 stop19h 37m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£570
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Wed 16/12
16:20-20:37
1 stop36h 17m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£594
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Thu 8/4
07:05-21:27
2 stops22h 22m
Portland
Tue 13/4
07:00-16:25
2 stops25h 25m
£675
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Fri 8/1
16:20-12:16
2 stops27h 56m
Portland
Sat 9/1
19:24-21:20
2 stops17h 56m
£721
Flights are sorted by cheapest return flights first.
Deals found on 4/11
Showing 1-10 of 22 resultsSorted by cheapest first
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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?
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Portland, you should look to book at least 59 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 £594). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of £961). 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 9 November 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?
Airfare is below average for this route at the moment.
London Heathrow Airport to Portland flights typically cost between £670 and £821 in March.The cheapest return price found within the last 5 days was £606 on Scandinavian Airlines (5 Mar–15 Mar).
How often are flights from London to Portland delayed?
About 19% of weekly flights between London and Portland have experienced delays in the past year, with the average delay time being 129 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?
Sunday 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 19% 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.
Seattle (SEA) – chosen by Cheapflights users on 50% 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.
Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £686.
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 Seattle (SEA) have the shortest average one-way travel time for one-stop routes: 13h 49m.
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 Denver (DEN) offer the fastest connection on this route, with an average stopover time of 1h 30m.
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 9 November 2026.
Read reviews from past customers who have flown with Alaska Airlines,Virgin Atlantic, andAmerican Airlines
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.
I love flying with Alaska. I think they sre the best airline.
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. 9 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 4 inbound flights from London Heathrow per day.
How long is the flight from London Heathrow Airport to Portland?
Scandinavian Airlines, United Airlines, and Delta can get you from London Heathrow Airport to Portland in just under 12h 50m. Your travel time can differ by up to 15h 06m. 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 £498, Lufthansa will fly you from London Heathrow Airport to Portland and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and United Airlines - these airlines can fly you to your destination from £523 and £547, respectively. Users have found that Lufthansa is 38% cheaper than the other options available to this destination.
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 (57%), Alaska Airlines (57%), Aer Lingus( 57%).
What are the cheapest flights from London Heathrow Airport to Portland?
Looking at all options, your cheapest flight can be booked for £487. While the most popular route (London Heathrow - Portland) can be booked for £541 on average, our data indicates £1,041 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 £594). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of £961). 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.
Discover the top 9 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 7,457,451 searches. Data last updated 9 November 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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