PWM - LHR

£190 Find Cheap Flights from Portland to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Heathrow departing on 7/5. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to London, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 29% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
£539
Delta
Sat 2/5Sat 9/5
PWM - LHR • 1 stop
Cheapest one-way flight
£190
KLM
Thu 7/5
PWM - LHR • 1 stop
Direct flights
Not available
There are currently no direct flights between Portland and Heathrow. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Heathrow (PWM-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portland to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Portland to Heathrow

Sat, 2 May - Sat, 9 May
Delta Logo
14:51 - 06:20
PWM
-
LHR
10h 29m
1 stop
Delta Logo
08:40 - 00:43
LHR
-
PWM
21h 03m
2 stops
£539Delta
Sat, 2 May - Sat, 9 May
Delta Logo
16:43 - 13:15
PWM
-
LHR
15h 32m
2 stops
Delta Logo
08:40 - 23:09
LHR
-
PWM
19h 29m
2 stops
£542Delta
Thu, 7 May - Sun, 10 May
Delta Logo
16:48 - 12:10
PWM
-
LHR
14h 22m
2 stops
Delta Logo
11:45 - 00:43
LHR
-
PWM
17h 58m
2 stops
£543Delta
Sat, 2 May - Sat, 9 May
Virgin Atlantic Logo
05:21 - 06:25
PWM
-
LHR
20h 04m
1 stop
Virgin Atlantic Logo
09:20 - 23:09
LHR
-
PWM
18h 49m
1 stop
£544Virgin Atlantic
Thu, 7 May - Thu, 14 May
Delta Logo
14:38 - 12:10
PWM
-
LHR
16h 32m
1 stop
Delta Logo
09:55 - 00:43
LHR
-
PWM
19h 48m
2 stops
£551Delta
Sun, 10 May - Sat, 16 May
Delta Logo
06:25 - 06:20
PWM
-
LHR
18h 55m
1 stop
Delta Logo
08:55 - 00:43
LHR
-
PWM
20h 48m
2 stops
£553Delta
Wed, 6 May - Mon, 11 May
Delta Logo
16:43 - 12:05
PWM
-
LHR
14h 22m
2 stops
Delta Logo
08:55 - 00:43
LHR
-
PWM
20h 48m
2 stops
£554Delta
Thu, 7 May - Sun, 10 May
Delta Logo
16:48 - 12:10
PWM
-
LHR
14h 22m
2 stops
Delta Logo
11:30 - 00:43
LHR
-
PWM
18h 13m
2 stops
£555Delta
Thu, 7 May - Sun, 10 May
Virgin Atlantic Logo
06:00 - 06:25
PWM
-
LHR
19h 25m
1 stop
Virgin Atlantic Logo
13:25 - 23:09
LHR
-
PWM
14h 44m
1 stop
£556Virgin Atlantic
Thu, 7 May - Sun, 10 May
Virgin Atlantic Logo
06:00 - 06:25
PWM
-
LHR
19h 25m
1 stop
Virgin Atlantic Logo
13:25 - 23:09
LHR
-
PWM
14h 44m
1 stop
£556Virgin Atlantic
Booking Insights

KAYAK’s insights & trends for Portland to Heathrow flights

Get data-powered insights and trends into flights from Portland to Heathrow to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Portland to London?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest return tickets from Portland to London were found on Delta (£539) and KLM (£544).

Find deals

Good to know - Cheap tickets from Portland to London

Cheapest flight£190
Flight from Portland to London

When to book flights from Portland to Heathrow

Are your dates flexible? Find out the best times to travel from Portland to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Portland to London flights

  • What is the cheapest flight from Portland to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Portland to London Heathrow Airport was £190 for a one-way ticket and £539 for a return.

  • Which airports will I be using when flying from Portland to London?

    Portland and London are both served by 1 main airport. You will leave Portland from Portland and will be arriving at London Heathrow.

  • Which aircraft models fly most regularly from Portland to London?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Portland to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Portland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Portland with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portland to Heathrow

Information on your arrival and departure airports

Portland (PWM)
Heathrow (LHR)