Cheap flights from Portland to London Heathrow Airport from £318
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 14/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Cheap flight deals from Portland to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Heathrow (LHR). 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 14 May 2024.
Popular in | June |
|---|---|
Cheapest in | December |
Average price | £714 |
Round-trip from | £69 |
What is the cheapest month to fly from Portland, Maine to London Heathrow Airport?
Flights from Portland, Maine to London Heathrow Airport lean towards being more expensive in June. Prices are generally better when you fly from Portland, Maine to London Heathrow Airport in March, with the cheapest ticket starting at £467.
When is the cheapest time to fly from Portland, Maine to London Heathrow Airport (PWM - LHR)?
When flying from Portland, Maine to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap United Airlines flights from Portland to Heathrow
Explore cheap flight options specifically provided by United Airlines for the route between Portland and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 852,833 searches. Data last updated 14 May 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Portland to London. Make sure to check back often as deals are often changing.
Cheap JetBlue flights from Portland to Heathrow
Explore cheap flight options specifically provided by JetBlue for the route between Portland and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 852,833 searches. Data last updated 14 May 2024.
Browse through some of the cheapest JetBlue flights travelling from Portland to London. Make sure to examine the flight information before completing your reservation.
Cheap Portland to Heathrow flights in May & June 2024
Find cheap flight options from Portland to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 852,833 searches. Prices were last updated on 14 May 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. Check back soon for alternative fares.
Portland to Heathrow 2024 flight deals
Discover exclusive flight deals for travel between Portland and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 852,833 searches. Data last updated 14 May 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. Check back soon for alternative fares.
One-way flights to Heathrow from Portland
Search for one-way flight options from Portland to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 852,833 searches. Data last updated 14 May 2024.
Some of the best available deals we've found on one-way flights from Portland to London. Those seeking round-trip flights from Portland to London should utilise the search form at the top of the page.
Find flights from Portland to Heathrow within your budget
Customise your flight search to find flights from Portland to Heathrow 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 852,833 searches. Data last updated 14 May 2024.
Fly from
Fly to
Budget
£501 - £765
Route
Depart
Return
Price
PortlandLondon Heathrow
PWM - LHR
PWMLHR
Portland
Tue 24/9
1 stop15h 24m
London Heathrow
Tue 1/10
1 stop14h 34m
PortlandLondon Heathrow
PWM - LHR
PWMLHR
Portland
Wed 25/9
1 stop11h 25m
London Heathrow
Tue 8/10
2 stops17h 24m
PortlandLondon Heathrow
PWM - LHR
PWMLHR
Portland
Mon 4/11
1 stop20h 28m
London Heathrow
Wed 13/11
2 stops16h 06m
PortlandLondon Heathrow
PWM - LHR
PWMLHR
Portland
Tue 24/9
1 stop12h 05m
London Heathrow
Tue 1/10
2 stops19h 38m
PortlandLondon Heathrow
PWM - LHR
PWMLHR
Portland
Wed 12/6
1 stop12h 57m
London Heathrow
Wed 19/6
1 stop15h 23m
PortlandLondon Heathrow
PWM - LHR
PWMLHR
Portland
Wed 25/9
3 stops16h 32m
London Heathrow
Tue 8/10
2 stops14h 54m
PortlandLondon Heathrow
PWM - LHR
PWMLHR
Portland
Wed 25/9
3 stops16h 32m
London Heathrow
Tue 8/10
3 stops25h 23m
PortlandLondon Heathrow
PWM - LHR
PWMLHR
Portland
Thu 22/8
2 stops38h 55m
London Heathrow
Mon 26/8
2 stops38h 29m
PortlandLondon Heathrow
PWM - LHR
PWMLHR
Portland
Wed 25/9
2 stops21h 10m
London Heathrow
Sun 29/9
2 stops24h 31m
No data available for this route at this time. Please check back soon.
Average price of flights to Heathrow by month
Plan your trip from Portland to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Portland to Heathrow is currently £455 while a return flight costs £617. Price data was last updated on 12 May 2024.
Currently, January is the cheapest month in which you can book a flight from Portland, Maine to London Heathrow Airport (average of £110). Flying from Portland, Maine to London Heathrow Airport in July is currently the most expensive (average of £165). 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.
January
£88
February
£99
March
£95
April
£104
May
£109
June
£131
July
£132
August
£115
September
£110
October
£126
November
£92
December
£96
Temperature and rainfall in Heathrow by month
Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.
LON Temperature | 4 - 17 °C |
|---|
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 14 May 2024.
See what other customers who have flown with United Airlines, JetBlue and KLM from Portland to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Crew
Food
Overall
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Boarding
Crew
Food
Overall
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Boarding
Crew
Food
Overall
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Boarding
Crew
Food
Overall
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Boarding
Crew
Food
Overall
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Boarding
Crew
Food
Overall
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Related info for your journey
Find useful and relevant information for your journey from Portland to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portland to HeathrowSee prices for flight routes from nearby airports that may be better suited for you.
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