Cheap flights from London Heathrow Airport to Portland from £480
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
24 Oct — 31 Oct1
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 November, booked 37 days in advance, depart on a Friday or Tuesday and return on a Monday
Cheap flight deals from Heathrow to Portland
Enter your travel dates to find the best prices.
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Best
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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 24 September 2026.
Tue 17/1120:35 -
1 stop28h 25m
Tue 1/1214:45 -
1 stop12h 05m
Deal found 19/9£606
Mon 9/1106:40 -
2 stops23h 20m
Mon 16/1113:05 -
2 stops21h 25m
Deal found 23/9£608
Mon 2/1110:20 -
2 stops19h 59m
Mon 16/1111:00 -
2 stops23h 30m
Deal found 23/9£609
Sun 8/1110:55 -
2 stops32h 41m
Sun 15/1111:06 -
1 stop16h 29m
Deal found 24/9£613
Wed 28/1012:15 -
1 stop12h 45m
Sat 14/1114:45 -
1 stop12h 05m
Deal found 20/9£616
Wed 18/1106:40 -
2 stops23h 20m
Wed 9/1213:00 -
2 stops21h 30m
Deal found 22/9£617
Sun 22/1106:40 -
2 stops22h 16m
Wed 2/1211:01 -
3 stops20h 59m
Deal found 20/9£617
Wed 25/1110:20 -
2 stops18h 36m
Tue 1/1213:00 -
3 stops24h 35m
Deal found 24/9£622
Sat 3/1015:05 -
1 stop26h 26m
Sat 10/1009:00 -
2 stops37h 30m
Deal found 19/9£623
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 24 September 2026.
Wed 18/1106:40 -
2 stops23h 20m
Wed 9/1211:01 -
2 stops26h 39m
Deal found 20/9£617
Sat 31/1009:30 -
2 stops18h 32m
Sun 8/1114:34 -
1 stop31h 21m
Deal found 21/9£663
Fri 30/1007:40 -
2 stops22h 06m
Sun 8/1123:10 -
1 stop13h 25m
Deal found 21/9£678
Wed 25/1110:20 -
2 stops18h 36m
Tue 1/1213:00 -
3 stops24h 35m
Deal found 24/9£622
Sun 6/1206:40 -
2 stops23h 54m
Thu 10/1213:00 -
2 stops20h 40m
Deal found 23/9£623
Mon 2/1106:40 -
2 stops23h 39m
Mon 16/1111:00 -
3 stops22h 40m
Deal found 22/9£647
Wed 18/1106:40 -
2 stops23h 20m
Sun 13/1211:01 -
2 stops23h 29m
Deal found 21/9£648
Tue 3/1106:40 -
2 stops23h 39m
Tue 10/1111:00 -
3 stops22h 40m
Deal found 19/9£677
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 24 September 2026.
Mon 2/1113:35 -
Nonstop10h 15m
Mon 16/1117:45 -
Nonstop9h 35m
Deal found 22/9£651
Wed 4/1113:35 -
Nonstop10h 15m
Mon 9/1117:45 -
Nonstop9h 35m
Deal found 20/9£660
Mon 9/1113:35 -
Nonstop10h 15m
Mon 16/1117:45 -
Nonstop9h 35m
Deal found 23/9£663
Wed 4/1113:35 -
Nonstop10h 15m
Wed 11/1117:45 -
Nonstop9h 35m
Deal found 20/9£680
Mon 2/1113:35 -
Nonstop10h 15m
Mon 16/1117:45 -
Nonstop9h 35m
Deal found 19/9£681
Wed 4/1113:35 -
Nonstop10h 15m
Mon 9/1117:45 -
Nonstop9h 35m
Deal found 21/9£681
Mon 23/1113:35 -
Nonstop10h 15m
Sun 13/1217:45 -
Nonstop9h 35m
Deal found 24/9£683
Last-minute flights from Heathrow to Portland
Discover last-minute flight deals from Heathrow to Portland. Data last updated 24 September 2026 and is based on user searches.
Sat 3/1015:05 -
1 stop26h 26m
Sat 10/1009:00 -
2 stops37h 30m
Deal found 19/9£623
Mon 5/1019:30 -
2 stops29h 34m
Wed 14/1007:00 -
2 stops27h 30m
Deal found 21/9£654
Tue 6/1021:25 -
1 stop28h 30m
Mon 12/1015:30 -
1 stop12h 25m
Deal found 23/9£661
Wed 7/1006:30 -
2 stops20h 41m
Wed 14/1010:10 -
1 stop19h 10m
Deal found 20/9£660
Thu 8/1015:00 -
1 stop26h 31m
Thu 22/1015:30 -
1 stop13h 50m
Deal found 20/9£665
Wed 28/1012:15 -
1 stop12h 45m
Sat 14/1114:45 -
1 stop12h 05m
Deal found 20/9£616
Sat 31/1009:30 -
2 stops18h 32m
Sun 8/1114:34 -
1 stop31h 21m
Deal found 21/9£663
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 24 September 2026.
Thu 29/1006:30 -
2 stops36h 06m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 24/9£480
Tue 6/1014:10 -
2 stops31h 43m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£480
Tue 20/1020:50 -
3 stops51h 54m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£481
Thu 19/1120:50 -
3 stops44h 41m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/9£483
Sat 21/1113:55 -
2 stops35h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£483
Mon 2/1109:00 -
3 stops32h 28m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 24/9£484
Wed 2/1206:30 -
1 stop13h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£486
Mon 2/1114:30 -
1 stop14h 16m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£486
Wed 4/1108:00 -
3 stops23h 09m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 24/9£487
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 24 September 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 24 September 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
Fastest return journey
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Wed 2/12
13:35-15:50
Nonstop10h 15m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£486
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Mon 7/12
13:35-15:50
Nonstop10h 15m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£495
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Tue 29/9
07:40-13:50
2 stops38h 10m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£526
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Sat 31/10
14:30-20:46
1 stop13h 16m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£530
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Sat 5/12
11:55-21:58
1 stop18h 03m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£546
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Thu 10/12
10:35-21:59
1 stop19h 24m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£546
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Fri 18/12
09:55-20:47
3 stops42h 52m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£562
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Sat 14/11
16:20-18:24
3 stops34h 04m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£570
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Wed 16/12
13:35-15:50
Nonstop10h 15m
Portland
Wed 31/12
00:00-09:00
Nonstop0h 00m
£583
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Wed 18/11
06:40-22:00
2 stops23h 20m
Portland
Wed 9/12
11:01-21:40
2 stops26h 39m
£617
Flights are sorted by cheapest return flights first.
Deals found on 21/9
Showing 1-10 of 18 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
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 36 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 £598). Flying from London Heathrow Airport to Portland in January is currently the most expensive (average of £966). 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 24 September 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 £626 and £818 in November.The cheapest return price found within the last 5 days was £606 on Icelandair (17 Nov–1 Dec).
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 24 September 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 127 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 Saturday 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 37% 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 £646.
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: 13h 19m.
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 24 September 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 7 inbound flights from London Heathrow per day.
How long is the flight from London Heathrow Airport to Portland?
Scandinavian Airlines can get you from London Heathrow Airport to Portland in just under 23h 20m. Your travel time can differ by up to . London Heathrow Airport and Portland are separated by a distance of 4896 mi.
What are the cheapest airlines flying from London Heathrow Airport to Portland round-trip?
Currently priced at £467, 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 United Airlines and Lufthansa - these airlines can fly you to your destination from £500 and £501, respectively. Users have found that Icelandair is 40% 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 (80%), Alaska Airlines (80%), Aer Lingus( 80%).
What are the cheapest flights from London Heathrow Airport to Portland?
Looking at all options, your cheapest flight can be booked for £674. While the most popular route (London Heathrow - Portland) can be booked for £581 on average, our data indicates £1,200 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 £598). Flying from London Heathrow Airport to Portland in January is currently the most expensive (average of £966). 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 24 September 2026.
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 September 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 24 September 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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