Cheap Flights from Heathrow Airport to Portland (Maine) (PWM) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/4
Sun	Mon	Tue	Wed	Thu	Fri	Sat
		1------	2------	3------	4------	5------
6------	7------	8------	9------	10------	11------	12------
13------	14------	15------	16------	17------	18------	19------
20------	21------	22------	23------	24Search	25Search	26Search
27Search	28Search	29Search	30Search

Select Return Date　　 Change Departure Date

Return Date

2025/4
Sun	Mon	Tue	Wed	Thu	Fri	Sat
		1------	2------	3------	4------	5------
6------	7------	8------	9------	10------	11------	12------
13------	14------	15------	16------	17------	18------	19------
20------	21------	22------	23------	24------	25------	26------
27------	28------	29------	30------

　　Select Departure Date

Currency:US Dollar Loading Searching Fares Updating Fares

Departure Date

―

Return Date

Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Heathrow－Portland Jetport
April Lowest Airfares -----
Heathrow－Portland Jetport
May Lowest Airfares -----

Heathrow－Portland Jetport
June Lowest Airfares -----
Heathrow－Portland Jetport
July Lowest Airfares -----
Heathrow－Portland Jetport
August Lowest Airfares -----

London (UK)－Portland (Maine)
Estimated Flight Time
9 Hours 04 Minutes
London (UK)－Portland (Maine)
Number of Operating Airlines
9

Operating Airlines for Heathrow－Portland Jetport Route
American Airlines

Air Canada

Air France

Delta Air Lines

Iberia Airlines

Klm Royal Dutch Airlines

Austrian Airlines

United Airlines

Virgin Atlantic

Other Destinations from:London (UK)

Heathrow－Raleigh(-Durham)
USD998〜
* Fares vary in accordance to seat availability
Other Departures to: Portland (Maine)
* Fares vary in accordance to seat availability