£160 Find Cheap Flights from Portland to the United Kingdom

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 the United Kingdom departing on 20/7. 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 the United Kingdom

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 25% or moreCompare multiple travel sites with one search.

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

Free to useThere are no hidden charges or fees.

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

Flight Deals
Booking Insights
Flight Deals

Book Cheap Portland to the United Kingdom Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portland to the United Kingdom 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 the United Kingdom

Fri, 27 Feb - Tue, 3 Mar
American Airlines Logo
12:29 - 06:35
PWM
-
LHR
13h 06m
1 stop
American Airlines Logo
07:50 - 18:11
LHR
-
PWM
15h 21m
2 stops
£457American Airlines
Thu, 12 Mar - Thu, 19 Mar
Delta Logo
14:30 - 06:20
PWM
-
LHR
11h 50m
1 stop
Delta Logo
08:40 - 23:22
LHR
-
PWM
18h 42m
2 stops
£459Delta
Mon, 23 Feb - Mon, 2 Mar
American Airlines Logo
17:40 - 14:30
PWM
-
GLA
15h 50m
2 stops
American Airlines Logo
08:55 - 22:50
GLA
-
PWM
18h 55m
2 stops
£460American Airlines
Wed, 6 May - Mon, 11 May
United Airlines Logo
05:30 - 10:40
PWM
-
LHR
24h 10m
1 stop
United Airlines Logo
17:50 - 18:23
LHR
-
PWM
29h 33m
2 stops
£480United Airlines
Wed, 6 May - Mon, 11 May
United Airlines Logo
06:00 - 06:30
PWM
-
LHR
19h 30m
2 stops
United Airlines Logo
17:50 - 18:23
LHR
-
PWM
29h 33m
2 stops
£482United Airlines
Tue, 31 Mar - Tue, 14 Apr
KLM Logo
05:23 - 06:25
PWM
-
LHR
20h 02m
1 stop
KLM Logo
10:55 - 00:46
LHR
-
PWM
18h 51m
1 stop
£491KLM
Thu, 12 Mar - Thu, 19 Mar
KLM Logo
14:30 - 08:45
PWM
-
EDI
14h 15m
1 stop
KLM Logo
05:50 - 23:22
EDI
-
PWM
21h 32m
2 stops
£531KLM
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
14:30 - 10:10
PWM
-
MAN
15h 40m
2 stops
Multiple Airlines Logo
13:30 - 23:22
MAN
-
PWM
13h 52m
1 stop
£531Multiple Airlines
Thu, 30 Apr - Mon, 4 May
Scandinavian Airlines Logo
14:51 - 08:55
PWM
-
MAN
37h 04m
2 stops
Scandinavian Airlines Logo
20:25 - 00:46
MAN
-
PWM
33h 21m
2 stops
£548Scandinavian Airlines
Thu, 30 Apr - Mon, 4 May
Multiple Airlines Logo
14:18 - 10:05
PWM
-
MAN
38h 47m
2 stops
Multiple Airlines Logo
10:55 - 08:49
MAN
-
PWM
26h 54m
3 stops
£807Multiple Airlines
Booking Insights

KAYAK's insights & trends for Portland to the United Kingdom flights

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

What is the cheapest month to fly from Portland to the United Kingdom?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to the United Kingdom, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to the United Kingdom is October, when tickets cost £436 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is £879 and £865 respectively.

Find deals

Good to know - Cheap tickets from Portland to the United Kingdom

Low seasonJanuary
Cheapest flight£160
Best time to beat the crowds (21% less expensive on average)
Most popular time to fly (2% more expensive on average)
Flight from Portland to London

FAQs - booking United Kingdom flights

  • How does KAYAK find such low prices on flights from Portland to the United Kingdom?

    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 the United Kingdom.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to the United Kingdom 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 the United Kingdom?

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

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

    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 from Portland to the United Kingdom 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 the United Kingdom

Information on your arrival and departure airports

Portland (PWM)