£378 Cheap flights to Portland, Maine
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Portland, Maine departing on 7/1. 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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Fly from
Route
Depart
Return
LondonPortland
LHR London Heathrow - PWM Portland
LHRPWM
London Heathrow
Thu 3/12
06:40-00:21
2 stops22h 41m
Portland
Sun 6/12
06:00-18:30
2 stops31h 30m
LondonPortland
LHR London Heathrow - PWM Portland
LHRPWM
London Heathrow
Fri 30/10
12:20-23:43
1 stop15h 23m
Portland
Fri 6/11
06:30-09:30
1 stop22h 00m
LondonPortland
LHR London Heathrow - PWM Portland
LHRPWM
London Heathrow
Thu 3/12
06:40-00:21
2 stops22h 41m
Portland
Sun 6/12
06:00-09:20
2 stops22h 20m
LondonPortland
LHR London Heathrow - PWM Portland
LHRPWM
London Heathrow
Thu 3/12
06:40-00:21
2 stops22h 41m
Portland
Sun 6/12
06:00-18:30
2 stops31h 30m
LondonPortland
LHR London Heathrow - PWM Portland
LHRPWM
London Heathrow
Thu 3/12
06:40-00:21
2 stops22h 41m
Portland
Sun 6/12
06:00-18:30
2 stops31h 30m
LondonPortland
LHR London Heathrow - PWM Portland
LHRPWM
London Heathrow
Fri 13/11
12:20-23:43
1 stop16h 23m
Portland
Mon 16/11
06:30-21:40
1 stop10h 10m
LondonPortland
LHR London Heathrow - PWM Portland
LHRPWM
London Heathrow
Fri 13/11
12:25-23:43
2 stops16h 18m
Portland
Mon 16/11
06:30-17:30
2 stops30h 00m
LondonPortland
LHR London Heathrow - PWM Portland
LHRPWM
London Heathrow
Mon 2/11
08:05-23:43
1 stop20h 38m
Portland
Mon 9/11
06:30-21:40
1 stop10h 10m
LondonPortland
LHR London Heathrow - PWM Portland
LHRPWM
London Heathrow
Fri 30/10
08:05-23:43
1 stop19h 38m
Portland
Fri 6/11
05:50-06:30
2 stops19h 40m
LondonPortland
LHR London Heathrow - PWM Portland
LHRPWM
London Heathrow
Thu 5/11
12:20-23:43
1 stop16h 23m
Portland
Fri 13/11
16:03-08:05
1 stop11h 02m
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Portland, Maine flights insights and trends
Explore insights for your Portland, Maine flight to craft the best travel plan
Cheapest flights to Portland
Find the cheapest flights to Portland from your nearest city or airport
| CHEAPEST MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORT | April | 33% cheaper | Flying from London Heathrow Airport to Portland, Maine costs on average just £551 in April |
| MOST EXPENSIVE MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORT | September | 95% more expensive | It costs about £1,592 for flights to Portland, Maine from London Heathrow Airport in September |
| MOST POPULAR MONTH TO FLY TO PORTLAND, MAINE FROM LONDON HEATHROW AIRPORT | August | 100% more users visited | More momondo users searched in flights to Portland, Maine from London Heathrow Airport in August than any other month |
Cheap Portland, Maine flight deals and tips
Summary info about Portland, Maine flight prices, duration and airlines
Best One-Way Price | £378 |
|---|---|
Best Round-Trip Price | £598 |
Fastest flight time | 41h 33m |
Frequently asked questions about flying to Portland, Maine
Is there an alternative airport near Portland, Maine?
Those flying to Portland, Maine could potentially find better pricing at Portland Airport (3 mi from Portland, Maine city centre), Portsmouth Pease Intl Airport (49 mi from Portland, Maine city centre), Augusta Airport (51 mi from Portland, Maine city centre), Rockland Knox County Regional Airport (64 mi from Portland, Maine city centre) or Manchester Airport (78 mi from Portland, Maine city centre) depending on the month and departure airport.
Is there a cheaper alternative to flying into Portland, Maine?
The cheapest airport near Portland, Maine is typically Portland Airport, with an average price of £267/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.
What is the absolute cheapest flight to Portland, Maine?
In the past two weeks, users have booked deals to Portland, Maine for £96/person, which is 64% cheaper than the average flight to Portland, Maine. To find the cheapest price to Portland, Maine from your area, use momondo’s Airport-to-Airport Pricing Tool.
When did momondo last update prices for flights to Portland Airport?
Prices for flights to Portland Airport refresh daily.
How many operators does momondo search for flights to Portland Airport?
The number of operators available for flights to Portland Airport is 1 as of October 2026.
How old do you have to be to fly 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 to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Travelling to a place near Portland, Maine?
Book flights to Portland, Maine if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to Portland?
Finding the right flight to Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portland quick and easy, saving you time and money.
Can I find flights to Portland with flexible booking policies on momondo?
All flight searches to Portland on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights to Portland?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Portland.
I’m not ready to book a flight to Portland right now. Can momondo alert me if prices change?
Price alerts on flights to Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.