Cheap flights from London Heathrow Airport to Portland from £354
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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
12 Jun — 19 Jun1
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 Thursday or Wednesday 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 13 May 2026.
Tue 15/906:30
LHR
-
PDX
2 stops20h 36m
Lufthansa
Thu 8/1010:10
PDX
-
LHR
1 stop19h 10m
Lufthansa
Deal found 8/5£671
Tue 8/918:05
LHR
-
PDX
2 stops34h 24m
American Airlines
Sun 13/911:45
PDX
-
LHR
1 stop35h 05m
American Airlines
Deal found 10/5£672
Wed 2/913:05
LHR
-
PDX
1 stop12h 50m
Multiple Airlines
Mon 14/919:30
PDX
-
LHR
Nonstop9h 30m
Multiple Airlines
Deal found 10/5£673
Tue 1/921:25
LHR
-
PDX
1 stop28h 30m
Multiple Airlines
Tue 15/919:40
PDX
-
LHR
1 stop11h 55m
Multiple Airlines
Deal found 12/5£675
Wed 2/913:05
LHR
-
PDX
1 stop12h 50m
Icelandair
Thu 22/1012:18
PDX
-
LHR
2 stops24h 02m
Icelandair
Deal found 10/5£676
Wed 30/906:30
LHR
-
PDX
2 stops23h 48m
Multiple Airlines
Mon 5/1019:45
PDX
-
LHR
1 stop33h 35m
Multiple Airlines
Deal found 12/5£677
Tue 18/812:45
LHR
-
PDX
1 stop19h 07m
Multiple Airlines
Tue 1/918:50
PDX
-
LHR
1 stop14h 40m
Multiple Airlines
Deal found 9/5£678
Wed 9/913:05
LHR
-
PDX
1 stop12h 50m
Multiple Airlines
Sun 13/919:40
PDX
-
LHR
1 stop11h 55m
Multiple Airlines
Deal found 10/5£681
Mon 7/906:55
LHR
-
PDX
2 stops22h 04m
Lufthansa
Thu 24/910:43
PDX
-
LHR
1 stop14h 57m
Lufthansa
Deal found 12/5£682
Tue 1/906:30
LHR
-
PDX
2 stops20h 40m
Multiple Airlines
Wed 30/910:10
PDX
-
LHR
2 stops15h 50m
Multiple Airlines
Deal found 10/5£683
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 13 May 2026.
Thu 10/921:05
LHR
-
PDX
3 stops27h 28m
Scandinavian Airlines
Sun 27/913:38
PDX
-
LHR
2 stops20h 52m
Scandinavian Airlines
Deal found 10/5£736
Thu 10/914:50
LHR
-
PDX
1 stop14h 05m
United Airlines
Sun 13/922:50
PDX
-
LHR
1 stop13h 50m
United Airlines
Deal found 10/5£756
Tue 8/915:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Sun 13/912:32
PDX
-
LHR
1 stop34h 18m
British Airways
Deal found 10/5£769
Mon 15/613:55
LHR
-
PDX
1 stop31h 55m
Multiple Airlines
Tue 30/614:30
PDX
-
LHR
3 stops34h 05m
Multiple Airlines
Deal found 8/5£778
Fri 4/921:05
LHR
-
PDX
3 stops29h 36m
Scandinavian Airlines
Fri 18/913:38
PDX
-
LHR
2 stops18h 22m
Scandinavian Airlines
Deal found 9/5£764
Sat 5/915:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Sat 12/919:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 12/5£798
Mon 15/616:15
LHR
-
PDX
1 stop14h 48m
United Airlines
Wed 24/623:30
PDX
-
LHR
1 stop23h 25m
United Airlines
Deal found 12/5£845
Mon 13/714:45
LHR
-
PDX
1 stop15h 05m
British Airways
Sun 19/719:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 12/5£897
Mon 1/621:05
LHR
-
PDX
3 stops28h 04m
Scandinavian Airlines
Sun 7/611:20
PDX
-
LHR
2 stops23h 10m
Scandinavian Airlines
Deal found 11/5£964
Fri 28/815:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Sat 5/919:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 11/5£903
Tue 21/707:05
LHR
-
PDX
3 stops20h 57m
Scandinavian Airlines
Fri 24/712:23
PDX
-
LHR
3 stops22h 07m
Scandinavian Airlines
Deal found 13/5£994
Fri 26/615:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Sun 12/719:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 13/5£1,008
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 13 May 2026.
Wed 12/815:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Wed 23/919:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 9/5£684
Wed 12/815:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Tue 29/919:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 9/5£685
Tue 1/915:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Wed 30/919:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 10/5£689
Wed 30/915:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Mon 5/1019:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 9/5£690
Wed 2/915:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Thu 22/1019:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 10/5£692
Tue 1/915:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Tue 15/919:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 12/5£695
Mon 9/1113:45
LHR
-
PDX
Nonstop10h 10m
British Airways
Mon 16/1117:45
PDX
-
LHR
Nonstop9h 35m
British Airways
Deal found 12/5£696
Wed 12/815:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Thu 1/1019:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 9/5£703
Mon 7/915:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Wed 16/919:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 10/5£706
Wed 12/815:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Sat 26/919:30
PDX
-
LHR
Nonstop9h 30m
British Airways
Deal found 9/5£706
Last-minute flights from Heathrow to Portland
Discover last-minute flight deals from Heathrow to Portland. Data last updated 13 May 2026 and is based on user searches.
Mon 1/607:05
LHR
-
PDX
2 stops21h 56m
Scandinavian Airlines
Sat 6/606:55
PDX
-
LHR
2 stops18h 40m
Scandinavian Airlines
Deal found 11/5£689
Mon 1/607:05
LHR
-
PDX
2 stops21h 56m
Scandinavian Airlines
Sun 7/611:20
PDX
-
LHR
2 stops20h 40m
Scandinavian Airlines
Deal found 12/5£701
Tue 2/607:05
LHR
-
PDX
2 stops21h 56m
Scandinavian Airlines
Sat 6/606:55
PDX
-
LHR
2 stops23h 40m
Scandinavian Airlines
Deal found 11/5£710
Mon 22/613:55
LHR
-
PDX
2 stops27h 36m
Multiple Airlines
Wed 8/719:05
PDX
-
LHR
1 stop32h 50m
Multiple Airlines
Deal found 9/5£696
Fri 26/608:40
LHR
-
PDX
1 stop21h 54m
JetBlue
Sat 11/723:27
PDX
-
LHR
1 stop23h 03m
JetBlue
Deal found 10/5£697
Fri 26/608:40
LHR
-
PDX
1 stop21h 54m
JetBlue
Sun 12/723:27
PDX
-
LHR
1 stop23h 03m
JetBlue
Deal found 10/5£717
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 13 May 2026.
Tue 9/614:10
LHR
-
PDX
1 stop31h 40m
WestJet
Deal found 12/5£354
Tue 1/910:25
LHR
-
PDX
1 stop19h 38m
United Airlines
Deal found 10/5£356
Mon 1/620:50
LHR
-
PDX
3 stops49h 00m
Multiple Airlines
Deal found 13/5£359
Tue 1/915:40
LHR
-
PDX
Nonstop10h 00m
British Airways
Deal found 10/5£362
Fri 12/614:10
LHR
-
PDX
1 stop31h 40m
WestJet
Deal found 13/5£364
Mon 18/515:00
LHR
-
PDX
3 stops30h 50m
Multiple Airlines
Deal found 8/5£375
Mon 8/621:25
LHR
-
PDX
2 stops24h 25m
Multiple Airlines
Deal found 11/5£378
Sun 7/614:10
LHR
-
PDX
1 stop31h 40m
WestJet
Deal found 12/5£380
Mon 15/621:10
LHR
-
PDX
2 stops48h 40m
Multiple Airlines
Deal found 12/5£382
Thu 24/920:50
LHR
-
PDX
3 stops44h 58m
Multiple Airlines
Deal found 9/5£390
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 13 May 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 13 May 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
Thu 10/9
21:05-16:33
3 stops27h 28m
Portland
Sun 27/9
13:38-18:30
2 stops20h 52m
£736
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Thu 10/9
14:50-20:55
1 stop14h 05m
Portland
Sun 13/9
22:50-20:40
1 stop13h 50m
£756
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Fri 4/9
21:05-18:41
3 stops29h 36m
Portland
Fri 18/9
13:38-16:00
2 stops18h 22m
£764
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Tue 8/9
15:40-17:40
Nonstop10h 00m
Portland
Sun 13/9
12:32-06:50
1 stop34h 18m
£769
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Mon 15/6
13:55-13:50
1 stop31h 55m
Portland
Tue 30/6
14:30-08:35
3 stops34h 05m
£778
Fastest return journey
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Sat 5/9
15:40-17:40
Nonstop10h 00m
Portland
Sat 12/9
19:30-13:00
Nonstop9h 30m
£798
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Mon 15/6
16:15-23:03
1 stop14h 48m
Portland
Wed 24/6
23:30-06:55
1 stop23h 25m
£845
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Mon 13/7
14:45-21:50
1 stop15h 05m
Portland
Sun 19/7
19:30-13:00
Nonstop9h 30m
£897
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Fri 28/8
15:40-17:40
Nonstop10h 00m
Portland
Sat 5/9
19:30-13:00
Nonstop9h 30m
£903
LondonPortland
LHR - PDX
LHRPDX
London Heathrow
Mon 1/6
21:05-17:09
3 stops28h 04m
Portland
Sun 7/6
11:20-18:30
2 stops23h 10m
£964
Flights are sorted by cheapest return flights first.
Deals found on 12/5
Showing 1-10 of 21 resultsSorted by cheapest first
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2
3
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
Airlines
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 72 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of £556). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of £862). 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 13 May 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?
Weekly flight availability from London Heathrow Airport to Portland
Explore weekly flight availability from Heathrow to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 May 2026.
The most flights from LHR to PDX are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
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 114 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 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.
Reykjavik (KEF) – chosen by Cheapflights users on 38% 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.
Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £525.
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 Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 12h 50m.
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 19m.
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 13 May 2026.
Read reviews from past customers who have flown with Finnair,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.
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. 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 7 inbound flights from London Heathrow per day.
How long is the flight from London Heathrow Airport to Portland?
Scandinavian Airlines, United Airlines, and British Airways can get you from London Heathrow Airport to Portland in just under 10h. Your travel time can differ by up to 17h 28m. 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 £447, 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 £488 and £489, respectively. Users have found that Icelandair is 33% 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 (£422), Virgin Atlantic (£423), and Finnair (£551).
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 (85%), Alaska Airlines (85%), Aer Lingus( 85%).
What are the cheapest flights from London Heathrow Airport to Portland?
Looking at all options, your cheapest flight can be booked for £454. While the most popular route (London Heathrow - Portland) can be booked for £622 on average, our data indicates £755 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Portland (average of £556). Flying from London Heathrow Airport to Portland in July is currently the most expensive (average of £862). 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 13 May 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 858,174 searches. Data last updated 13 May 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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