Cheap flights from London Heathrow Airport to Portland from $370
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Portland departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Icelandair flights from London Heathrow Airport to Portland
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Air Canada flights from London Heathrow Airport to Portland
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How to get the cheapest flight ticket from London Heathrow Airport to Portland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Portland?
The cheapest month to fly to Portland from London Heathrow Airport is in November. Flight prices, which tend to average around $786, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in November, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $794.
What is the cheapest day to depart on your flight to Portland?
The cheapest day to depart on your flight to Portland is on a Friday when prices can be found for as low as $949. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Saturday, with ticket prices averaging around $1,278.
What is the cheapest time of day to depart on your flight to Portland?
The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $1,068. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $1,188 per ticket.
What is the cheapest London Heathrow to Portland flight route?
Fly from London Heathrow to Portland for the best London Heathrow - Portland flight prices
How far in advance should I book a flight to Portland?
You are more likely to see cheaper flights to Portland from London Heathrow Airport when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $910 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from London Heathrow Airport for as low as $832 on momondo.
What cabin class options are available on London Heathrow to Portland flights?
There are 3 cabin classes available to choose from on London Heathrow to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Portland?
WestJet, Icelandair, and British Airways are the most popular carriers operating from London Heathrow to Portland
What airlines fly to Portland?
British Airways, American Airlines and Iberia are the top three most popular airlines that fly to Portland from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 4 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Portland on average per day?
7 flights are operational daily from London Heathrow Airport to Portland as of April 2025. The most popular departure time for this route is 3:00PM, with 100% of flights per day taking off in the afternoon.
How many flights depart from London Heathrow Airport to Portland on average per week?
49 flights are operational weekly from London Heathrow Airport to Portland as of April 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
When to book flights from London Heathrow Airport to Portland
Cheap London Heathrow Airport to Portland (LHR to PDX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Portland
How far is London Heathrow to Portland by plane?
A flight from London Heathrow to Portland will travel around 4902.4 mi. Flights usually cover this in 9h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Heathrow Airport to Portland Airport?
Prices for flights from London Heathrow Airport to Portland Airport are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Portland Airport?
As of April 2025, there are 4 operators available to choose from for flights from London Heathrow Airport to Portland Airport.
How old do you have to be to fly from London Heathrow Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to Portland?
Based on momondo bookings for flights between London Heathrow Airport and Portland, the leading plane model is Boeing 787-10 Dreamliner, making up 67.50% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 15.46%, Boeing 787-9 Dreamliner with 10.82%, and Boeing 777 with 1.20%.
What is the most popular airline from London Heathrow Airport to Portland?
Based on momondo bookings for flights between London Heathrow Airport and Portland, the leading airline is British Airways, making up 46% of the total bookings. Other popular airlines include American Airlines with 24%, Iberia with 16%, and United Airlines with 14%.
Best airlines flying from London Heathrow Airport to Portland
Compare and see reviews for airlines that fly from London Heathrow Airport to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $701 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $733 | Free Cancellation | Rating 6.6 6,799 reviews | |||
| PriceFrom $801 | Free Cancellation | Rating 7.0 2,684 reviews | |||
| PriceFrom $818 | Free Cancellation | Rating 7.2 10,000 reviews |
American Airlines Flights From London Heathrow Airport to Portland
American Airlines flight deals from London Heathrow Airport to Portland start from $818 round-trip. Over the 7 American Airlines flights for this route in a normal week, average airfare is usually $1,067 round-trip - but some users have found much cheaper deals with momondo.
Iberia Flights From London Heathrow Airport to Portland
The best Iberia deal for London Heathrow Airport to Portland flight tickets found on momondo in the last 72 hours was $801, round-trip. It should be noted that an average Iberia flight deal for this route in this time was higher, at $1,227 round-trip. Iberia operates 7 flights out of London Heathrow Airport into Portland in an average week, so prices vary by time and availability. 2,684 Iberia reviews by users on momondo have scored the airline at 7.0/10.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Portland?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Portland. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Portland with flexible booking policies on momondo?
Yes. All flights to Portland from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to Portland?
Once all potential London to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from London to Portland right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.