Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland to the United Kingdom from $239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to the United Kingdom departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:45 pm - 9:55 amPDX  Portland-GLA Glasgow Intl
11h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:35 am - 5:00 pmGLA  Glasgow Intl-PDX Portland
13h 25m1 stop Reykjavik Keflavik Intl
$758Icelandair
Mon, Nov 2 - Wed, Nov 11
Icelandair Logo
2:45 pm - 9:55 amPDX  Portland-GLA Glasgow Intl
11h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:35 am - 5:00 pmGLA  Glasgow Intl-PDX Portland
13h 25m1 stop Reykjavik Keflavik Intl
$760Icelandair
Sat, Dec 12 - Wed, Dec 23
Multiple Airlines Logo
3:30 pm - 12:35 amPDX  Portland-EDI Edinburgh Turnhouse
25h 05m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
Multiple Airlines Logo
3:10 pm - 5:55 pmEDI  Edinburgh Turnhouse-PDX Portland
34h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$796Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
Multiple Airlines Logo
3:30 pm - 8:30 pmPDX  Portland-EDI Edinburgh Turnhouse
21h 00m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Oslo Gardermoen
Multiple Airlines Logo
3:10 pm - 5:55 pmEDI  Edinburgh Turnhouse-PDX Portland
34h 45m3 stops Kastrup Copenhagen Stockholm Arlanda Reykjavik Keflavik Intl
$806Multiple Airlines
Wed, Sep 30 - Tue, Oct 6
United Airlines Logo
7:00 am - 8:40 amPDX  Portland-MAN Manchester
17h 40m2 stops Chicago O'Hare Intl Toronto Pearson Intl
United Airlines Logo
6:10 am - 11:12 pmMAN  Manchester-PDX Portland
25h 02m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$821United Airlines
Sun, Jan 31 - Tue, Feb 2
British Airways Logo
5:45 pm - 2:35 pmPDX  Portland-GLA Glasgow Intl
12h 50m1 stop London Heathrow
British Airways Logo
9:45 am - 3:50 pmGLA  Glasgow Intl-PDX Portland
14h 05m1 stop London Heathrow
$891British Airways
Sun, Nov 15 - Wed, Nov 18
British Airways Logo
5:45 pm - 2:35 pmPDX  Portland-GLA Glasgow Intl
12h 50m1 stop London Heathrow
British Airways Logo
9:45 am - 3:50 pmGLA  Glasgow Intl-PDX Portland
14h 05m1 stop London Heathrow
$892British Airways
Sun, Nov 15 - Wed, Nov 18
Delta Logo
6:00 am - 9:00 amPDX  Portland-LGW London Gatwick
19h 00m2 stops Minneapolis St Paul Paris Charles de Gaulle
Delta Logo
10:00 am - 8:52 amLGW  London Gatwick-PDX Portland
30h 52m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl
$903Delta
Wed, Nov 18 - Fri, Nov 27
Delta Logo
12:45 am - 9:00 amPDX  Portland-LGW London Gatwick
24h 15m2 stops Minneapolis St Paul Paris Charles de Gaulle
Delta Logo
10:00 am - 8:52 amLGW  London Gatwick-PDX Portland
30h 52m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl
$903Delta
Mon, Nov 16 - Fri, Nov 27
United Airlines Logo
10:56 pm - 8:25 amPDX  Portland-LHR London Heathrow
25h 29m1 stop Newark
United Airlines Logo
2:30 pm - 2:41 pmLHR  London Heathrow-PDX Portland
32h 11m1 stop Vancouver Intl
$903United Airlines
Sat, Jan 9 - Fri, Jan 29

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air Canada flights from Portland to United Kingdom

Our best Air Canada deals on Portland to United Kingdom flight tickets
Air Canada
Jan 9
PDX7:10 pmPortland
30h 10m
2 stops
LHR9:20 amLondon Heathrow
Feb 4
LHR3:00 pmLondon Heathrow
28h 53m
2 stops
PDX11:53 amPortland
$905
Air Canada
Jan 31
PDX7:00 amPortland
17h 40m
2 stops
MAN8:40 amManchester
Feb 4
MAN11:30 amManchester
39h 37m
2 stops
PDX7:07 pmPortland
$906
Air Canada
Dec 5
PDX3:15 pmPortland
34h 05m
2 stops
LHR9:20 amLondon Heathrow
Dec 20
LHR1:25 pmLondon Heathrow
28h 01m
2 stops
PDX9:26 amPortland
$951

Lufthansa flights from Portland to United Kingdom

Our best Lufthansa deals on Portland to United Kingdom flight tickets
Lufthansa
Nov 8
PDX10:00 amPortland
17h 50m
1 stop
LHR11:50 amLondon Heathrow
Nov 14
LHR6:35 amLondon Heathrow
22h 38m
2 stops
PDX9:13 pmPortland
$911
Lufthansa
Nov 4
PDX10:00 amPortland
17h 20m
2 stops
LHR11:20 amLondon Heathrow
Nov 23
LHR7:40 amLondon Heathrow
18h 29m
2 stops
PDX6:09 pmPortland
$918
Lufthansa
Nov 11
PDX10:00 amPortland
17h 50m
1 stop
LHR11:50 amLondon Heathrow
Nov 22
LHR6:30 amLondon Heathrow
23h 57m
2 stops
PDX10:27 pmPortland
$921

momondo Fare Finder

 
Customize your flight search to find flights from Portland to United Kingdom 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, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Portland to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Mon 11/2

2:45 pm-9:55 am

1 stop11h 10m

Glasgow Intl

Wed 11/11

11:35 am-5:00 pm

1 stop13h 25m

$758

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Sat 12/12

2:45 pm-9:55 am

1 stop11h 10m

Glasgow Intl

Wed 12/23

11:35 am-5:00 pm

1 stop13h 25m

$760

PortlandEdinburgh

PDX Portland - EDI Edinburgh Turnhouse

PDXEDI

Portland

Mon 10/5

3:30 pm-12:35 am

2 stops25h 05m

Edinburgh Turnhouse

Mon 10/12

3:10 pm-5:55 pm

2 stops34h 45m

$796

PortlandEdinburgh

PDX Portland - EDI Edinburgh Turnhouse

PDXEDI

Portland

Wed 9/30

3:30 pm-8:30 pm

3 stops21h 00m

Edinburgh Turnhouse

Tue 10/6

3:10 pm-5:55 pm

3 stops34h 45m

$806

PortlandManchester

PDX Portland - MAN Manchester

PDXMAN

Portland

Sun 1/31

7:00 am-8:40 am

2 stops17h 40m

Manchester

Tue 2/2

6:10 am-11:12 pm

2 stops25h 02m

$821

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Sun 11/15

5:45 pm-2:35 pm

1 stop12h 50m

Glasgow Intl

Wed 11/18

9:45 am-3:50 pm

1 stop14h 05m

$891

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Sun 11/15

5:45 pm-2:35 pm

1 stop12h 50m

Glasgow Intl

Wed 11/18

9:45 am-3:50 pm

1 stop14h 05m

$892

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Wed 11/18

6:00 am-9:00 am

2 stops19h 00m

London Gatwick

Fri 11/27

10:00 am-8:52 am

2 stops30h 52m

$903

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Mon 11/16

12:45 am-9:00 am

2 stops24h 15m

London Gatwick

Fri 11/27

10:00 am-8:52 am

2 stops30h 52m

$903

PortlandLondon

PDX Portland - LHR London Heathrow

PDXLHR

Portland

Sat 1/9

10:56 pm-8:25 am

1 stop25h 29m

London Heathrow

Fri 1/29

2:30 pm-2:41 pm

1 stop32h 11m

$903

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Portland to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United Kingdom?

In general, January is the cheapest month to fly from Portland to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $714. If you aren’t able to travel to United Kingdom during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $733.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Portland to United Kingdom is on a Monday when prices can be found for as low as $907. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,077.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is in the afternoon. momondo users have found flights departing from Portland to United Kingdom in the afternoon for as low as $803. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $1,008. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Portland to United Kingdom flight route?

Fly from Portland to London Heathrow for the best Portland - United Kingdom flight prices

How far in advance should I book a flight from Portland to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $936 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Portland for as low as $853 on momondo.

What cabin class options are available on Portland to United Kingdom flights?

There are 4 cabin classes available to choose from on Portland to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to United Kingdom flights?

You could potentially save up to 46% on your flight if you consider stops on a Portland to United Kingdom flight.

Cheap Portland to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to United Kingdom

Best Price Found

$420

Fastest flight time

9h 30m

Direct flights

Every day

Airports in United Kingdom

1,285 airports
The best one-way flight to United Kingdom from Portland in the past 72 hours is $420. The best round-trip flight deal from Portland to United Kingdom found on momondo in the last 72 hours is $962.
The fastest flight from Portland to United Kingdom takes 9h 30m
Direct flights go from Portland to United Kingdom every day.
There are 1,285 airports in United Kingdom. From Portland there are direct flights to London Heathrow (LHR).
Search flight deals

Frequently asked questions about flying from Portland to the United Kingdom

  • When did momondo last update prices for flights from Portland Airport to United Kingdom?

    Prices for flights from Portland Airport to United Kingdom refresh daily.

  • How many operators does momondo search for flights from Portland Airport to United Kingdom?

  • How old do you have to be to fly from Portland Airport to United Kingdom?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Portland to United Kingdom?

Best airlines flying from Portland to United Kingdom

Compare and see reviews for airlines that fly from Portland to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $472Free CancellationRating
6.9
728 reviews
Search Icelandair flights
IberiaPriceFrom $525Free CancellationRating
7.0
3,263 reviews
Search Iberia flights
DeltaPriceFrom $551Free CancellationRating
7.8
8,506 reviews
Search Delta flights
Virgin AtlanticPriceFrom $554Free CancellationRating
7.5
694 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $588Free CancellationRating
6.7
8,154 reviews
Search British Airways flights
Alaska AirlinesPriceFrom $600Free CancellationRating
7.9
12,794 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $602Free CancellationRating
7.4
10,101 reviews
Search United Airlines flights
KLMPriceFrom $604Free CancellationRating
7.8
1,556 reviews
Search KLM flights
LufthansaPriceFrom $630Free CancellationRating
6.8
8,177 reviews
Search Lufthansa flights
FinnairPriceFrom $641Free CancellationRating
7.7
1,426 reviews
Search Finnair flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to United Kingdom?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United Kingdom from Portland.

Can I find flights from Portland to United Kingdom with flexible booking policies on momondo?

Yes. All flights to United Kingdom from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to United Kingdom right now. Can momondo alert me if prices change?

Price alerts on flights to United Kingdom from 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.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 9/9
Wed 9/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $394
Flights to Manchesterfrom $536
Flights to Edinburghfrom $523
Flights to Glasgowfrom $563
Flights to Birminghamfrom $573
Flights to Newcastle upon Tynefrom $602
Flights to Belfastfrom $642
Flights to Bristolfrom $608
Flights to Invernessfrom $689
Flights to Aberdeenfrom $646
Flights to Liverpoolfrom $654
Flights to Leedsfrom $623