$671+ Cheap flights from the United Kingdom to Portland, ME (PWM)
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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from United Kingdom 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.Cheap flight deals from United Kingdom to Portland
Keep the following information in mind while searching for United Kingdom to Portland flight deals. Data was last updated February 22, 2025.
Round-trip from | $757 (TravelUp) |
|---|---|
One-way from | $671 (KAYAK) |
Popular in | August |
Cheapest in | May |
Average price | $742 |
Find flight deals from United Kingdom to Portland
Cheapest flights from United Kingdom to PortlandExplore the most affordable flight options available from United Kingdom to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.
Explore the most affordable flight options available from United Kingdom to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.
This TravelUp deal was found by Cheapflights users on 2/21. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 2/21. 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.
This The Travel House deal was found by Cheapflights users on 2/21. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 2/21. 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.
This TravelUp deal was found by Cheapflights users on 2/21. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 2/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 2/21. 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.
This Austrian Airlines deal was found by Cheapflights users on 2/21. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This JetBlue deal was found by Cheapflights users on 2/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Scandinavian Airlines deal was found by Cheapflights users on 2/21. 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.
This Air Canada deal was found by Cheapflights users on 2/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from United Kingdom to Portland within your budget
Customize your flight search to find flights from United Kingdom 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 2,558,603 searches. Data last updated February 22, 2025.
Fly from
Fly to
Route
Depart
Return
Price
LondonPortland
LHR - PWM
LHRPWM
London Heathrow
Fri 3/21
4:35 pm-12:15 am
1 stop11h 40m
Portland
Fri 3/28
3:00 pm-8:10 pm
1 stop25h 10m
LondonPortland
LHR - PWM
LHRPWM
London Heathrow
Sun 3/23
7:40 am-11:47 pm
2 stops20h 07m
Portland
Sun 3/30
6:45 pm-6:55 am
1 stop31h 10m
LondonPortland
LHR - PWM
LHRPWM
London Heathrow
Sun 3/23
6:00 pm-11:15 pm
2 stops33h 15m
Portland
Sun 3/30
6:45 pm-6:55 am
1 stop31h 10m
LondonPortland
LHR - PWM
LHRPWM
London Heathrow
Fri 3/21
6:30 am-12:15 am
2 stops21h 45m
Portland
Fri 3/28
3:00 pm-8:10 pm
1 stop25h 10m
LondonPortland
LHR - PWM
LHRPWM
London Heathrow
Mon 4/7
8:55 pm-11:59 pm
2 stops32h 04m
Portland
Mon 4/14
5:20 am-11:10 am
1 stop24h 50m
ManchesterPortland
MAN - PWM
MANPWM
Manchester
Sun 3/23
5:15 pm-12:15 am
2 stops35h 00m
Portland
Sun 3/30
5:30 am-8:45 am
2 stops46h 15m
ManchesterPortland
MAN - PWM
MANPWM
Manchester
Sun 3/23
2:00 pm-2:18 pm
1 stop28h 18m
Portland
Sun 3/30
3:00 pm-4:45 pm
2 stops20h 45m
LondonPortland
LHR - PWM
LHRPWM
London Heathrow
Tue 4/8
3:20 pm-11:27 pm
1 stop13h 07m
Portland
Tue 4/15
6:15 am-5:55 am
1 stop18h 40m
LondonPortland
LHR - PWM
LHRPWM
London Heathrow
Mon 4/7
6:40 am-11:10 pm
3 stops21h 30m
Portland
Mon 4/14
6:25 am-5:40 pm
3 stops30h 15m
LondonPortland
LHR - PWM
LHRPWM
London Heathrow
Mon 4/7
11:55 am-11:00 pm
1 stop16h 05m
Portland
Mon 4/14
6:10 am-8:45 pm
1 stop9h 35m
Best time to book a flight from United Kingdom to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from United Kingdom with our price prediction graph.
Travel insights for flights from United Kingdom to Portland
Get recent, data-driven insights about flights from United Kingdom to Portland including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from United Kingdom to Portland, Maine?
Currently, January is the cheapest month in which you can book a flight from United Kingdom to Portland, Maine (average of $296). Flying from United Kingdom to Portland, Maine in April is currently the most expensive (average of $498). 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.
Rainfall in Portland by month
Plan your trip to Portland by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.
Temperature in Portland by month
Plan your trip to Portland by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
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 February 22, 2025.
Entertainment
Comfort
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Comfort
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Comfort
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Comfort
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Comfort
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Comfort
Boarding
Crew
Overall
Food
Reviews
Aaron,Oct 2024
TUS - LAX