$639+ Cheap flights from Heathrow (LHR) to Portland (PDX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PDX
Oct 11 — Oct 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Heathrow to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Wednesday or Tuesday and return on a Monday
Cheap flight deals from Heathrow to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to PortlandExplore 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 September 11, 2026.
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 September 11, 2026.
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:00 pm -
1 stop14h 02m
Wed 10/218:09 am -
1 stop22h 56m
Deal found 9/11![Alaska Airlines logo]()
$807
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:15 pm -
1 stop12h 45m
Mon 11/162:45 pm -
1 stop20h 45m
Deal found 9/8![Icelandair logo]()
$808
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:15 pm -
1 stop12h 45m
Mon 11/162:45 pm -
1 stop12h 05m
Deal found 9/9![Icelandair logo]()
$809
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 am -
2 stops21h 45m
Wed 10/147:00 am -
2 stops25h 00m
Deal found 9/11![Scandinavian Airlines logo]()
$811
This Icelandair deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:15 pm -
1 stop12h 45m
Sat 11/142:45 pm -
1 stop20h 45m
Deal found 9/9![Icelandair logo]()
$812
This Icelandair deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:35 pm -
1 stop28h 25m
Mon 11/162:45 pm -
1 stop12h 05m
Deal found 9/9![Icelandair logo]()
$814
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm -
1 stop12h 45m
Sat 11/142:45 pm -
1 stop12h 05m
Deal found 9/10![Icelandair logo]()
$821
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:40 am -
2 stops23h 20m
Sun 12/1311:01 am -
3 stops20h 59m
Deal found 9/11![Scandinavian Airlines logo]()
$827
This Scandinavian Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:40 am -
2 stops24h 04m
Mon 12/147:05 am -
2 stops26h 35m
Deal found 9/10![Scandinavian Airlines logo]()
$828
Best flights from Heathrow to PortlandDiscover carefully curated flight deals from Heathrow to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Heathrow to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:40 am -
2 stops23h 20m
Sun 12/1311:01 am -
3 stops20h 59m
Deal found 9/11![Scandinavian Airlines logo]()
$827
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:30 pm -
1 stop32h 11m
Wed 12/97:10 pm -
1 stop32h 40m
Deal found 9/7![United Airlines logo]()
$914
This British Airways deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:35 pm -
Nonstop10h 15m
Mon 11/161:22 pm -
1 stop14h 13m
Deal found 9/9![British Airways logo]()
$915
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:40 am -
2 stops23h 20m
Wed 12/911:01 am -
2 stops26h 39m
Deal found 9/11![Scandinavian Airlines logo]()
$827
This British Airways deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:00 am -
1 stop16h 47m
Wed 12/95:45 pm -
Nonstop9h 35m
Deal found 9/8![British Airways logo]()
$920
This Scandinavian Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:20 am -
2 stops19h 59m
Mon 11/1611:00 am -
2 stops23h 30m
Deal found 9/7![Scandinavian Airlines logo]()
$867
This Scandinavian Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:05 am -
2 stops21h 45m
Wed 10/287:00 am -
3 stops26h 25m
Deal found 9/6![Scandinavian Airlines logo]()
$934
Last-minute flights from Heathrow to PortlandDiscover last-minute flight deals from Heathrow to Portland. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Portland. Data last updated September 11, 2026 and is based on user searches.
This Travcart deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:25 pm -
1 stop34h 55m
Wed 9/306:30 am -
1 stop22h 15m
Deal found 9/10![Finnair logo]()
$852
This Globehunters deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:05 pm -
1 stop31h 41m
Thu 10/87:45 pm -
1 stop33h 35m
Deal found 9/11![Air Canada logo]()
$864
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:55 pm -
1 stop23h 36m
Mon 10/1911:06 am -
1 stop19h 54m
Deal found 9/7![Multiple Airlines logo]()
$848
This Scandinavian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 am -
2 stops21h 45m
Wed 10/147:00 am -
2 stops25h 00m
Deal found 9/11![Scandinavian Airlines logo]()
$811
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:40 am -
1 stop18h 16m
Wed 10/148:09 am -
1 stop19h 11m
Deal found 9/11![Multiple Airlines logo]()
$836
This Globehunters deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:05 pm -
1 stop26h 26m
Wed 10/143:30 pm -
1 stop13h 50m
Deal found 9/7![Air Canada logo]()
$863
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:00 pm -
1 stop14h 02m
Wed 10/218:09 am -
1 stop22h 56m
Deal found 9/11![Alaska Airlines logo]()
$807
This Scandinavian Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:05 am -
2 stops21h 45m
Wed 11/47:15 am -
3 stops27h 15m
Deal found 9/7![Scandinavian Airlines logo]()
$850
This Scandinavian Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:05 am -
2 stops21h 45m
Fri 10/3010:54 am -
3 stops24h 36m
Deal found 9/8![Scandinavian Airlines logo]()
$851
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm -
1 stop12h 45m
Sat 11/142:45 pm -
1 stop12h 05m
Deal found 9/10![Icelandair logo]()
$821
One-way flights from Heathrow to PortlandSearch for one-way flight options from Heathrow to Portland. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Heathrow to Portland. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:35 am -
3 stops53h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$639
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:25 pm -
2 stops43h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$640
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:10 pm -
1 stop31h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![WestJet logo]()
$641
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
3 stops39h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am -
3 stops21h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$646
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:45 pm -
1 stop18h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Lufthansa logo]()
$647
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:25 pm -
2 stops43h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$648
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:05 am -
3 stops47h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$649
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
1 stop13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$651
This KLM deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:30 am -
1 stop12h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![KLM logo]()
$652
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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $807 (Trip.com) |
One-way from | $639 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $917 |
Good one-way deal | $660 or less |
Cheapflights Fare Finder
Customize 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 September 11, 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
Cheapest round-trip
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Wed 11/18
6:30 am-11:40 am
1 stop13h 10m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$651
Quickest round-trip
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Mon 11/2
1:35 pm-3:50 pm
Nonstop10h 15m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$652
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Wed 12/2
1:35 pm-3:50 pm
Nonstop10h 15m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$654
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Mon 11/16
8:00 am-12:44 am
3 stops24h 44m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$658
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Wed 12/9
1:35 pm-3:50 pm
Nonstop10h 15m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$669
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Wed 11/11
1:35 pm-3:50 pm
Nonstop10h 15m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$670
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Fri 11/6
1:35 pm-3:50 pm
Nonstop10h 15m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$709
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Thu 12/3
8:40 am-11:20 am
1 stop34h 40m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$709
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Sat 11/28
2:30 pm-2:41 pm
1 stop32h 11m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$709
LondonPortland
LHR London Heathrow - PDX Portland
LHRPDX
London Heathrow
Thu 10/8
3:00 pm-11:02 pm
3 stops40h 02m
Portland
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$714
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Portland in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 round-trip 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
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 $794). Flying from London Heathrow Airport to Portland in January is currently the most expensive (average of $1,283). 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 September 11, 2026.
When flying from London Heathrow Airport to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from London to Portland delayed?
About 21% 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?
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 last year, British Airways have had the lowest number of delays on this route, with just 21% of flights being delayed.
The best insider tips for London Heathrow Airport to Portland flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Portland trip
Our travel experts
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 September 11, 2026.
See what other customers who have flown with British Airways from London Heathrow Airport to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.0
Entertainment
6.5
Crew
7.7
Comfort
6.8
Food
6.4
Overall
6.7
Reviews
1 / 20
6.0
GoodRoxanne,Sep 2025
LHR - IAD
Boarding
7.0
Entertainment
6.5
Crew
7.7
Comfort
6.8
Food
6.4
Overall
6.7
Reviews
1 / 20
6.0
GoodRoxanne,Sep 2025
LHR - IAD
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Lincoln City
Durham
Longview
Lake Oswego
Vancouver
Kelso
Troutdale
Clackamas
Cannon Beach
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
Silverton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Heathrow
Popular flights
Portland flight routes
Alternative routes for Heathrow to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Heathrow to Portland by cabin class
Find flights from Heathrow to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Heathrow and Portland flights
Browse other Heathrow and Portland flight options. Last updated on September 11, 2026.
Other flights from Heathrow
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Top airline flying from Heathrow to Portland
Discover the top airline 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 September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$715 | Average$1,085 | FlexibilityNo cancel fee | On-time70% |