Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland to the United Kingdom from £156

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 3/10. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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

Find the cheapest flights from Portland to the United Kingdom

Cheap return flights

Multiple Airlines Logo
17:45 - 19:00PDX-INV
17h 15m1 stop
Multiple Airlines Logo
11:25 - 23:24INV-PDX
19h 59m2 stops
£388Multiple Airlines
Find Deal
Sun, 2 Nov - Fri, 14 Nov
British Airways Logo
17:45 - 19:00PDX-INV
17h 15m1 stop
British Airways Logo
11:25 - 23:26INV-PDX
20h 01m2 stops
£392British Airways
Find Deal
Sun, 2 Nov - Fri, 14 Nov
Icelandair Logo
15:45 - 09:55PDX-GLA
11h 10m1 stop
Icelandair Logo
12:35 - 18:00GLA-PDX
12h 25m1 stop
£396Icelandair
Find Deal
Mon, 9 Mar - Fri, 20 Mar
Icelandair Logo
15:20 - 13:25PDX-GLA
14h 05m1 stop
Icelandair Logo
12:35 - 18:00GLA-PDX
12h 25m1 stop
£396Icelandair
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Delta Logo
13:25 - 12:45PDX-INV
15h 20m1 stop
Delta Logo
13:15 - 11:25INV-PDX
30h 10m1 stop
£396Delta
Find Deal
Sun, 7 Dec - Sun, 14 Dec
Delta Logo
13:30 - 11:20PDX-LHR
13h 50m1 stop
Delta Logo
06:30 - 12:25LHR-PDX
12h 55m1 stop
£399Delta
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Virgin Atlantic Logo
13:25 - 11:25PDX-LHR
14h 00m1 stop
Virgin Atlantic Logo
18:00 - 22:40LHR-PDX
12h 40m1 stop
£415Virgin Atlantic
Find Deal
Fri, 3 Oct - Fri, 10 Oct
Virgin Atlantic Logo
06:20 - 07:05PDX-LHR
17h 45m1 stop
Virgin Atlantic Logo
06:30 - 11:25LHR-PDX
12h 55m1 stop
£435Virgin Atlantic
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Iberia Logo
17:45 - 09:30PDX-GLA
31h 45m1 stop
Iberia Logo
20:20 - 15:55GLA-PDX
27h 35m1 stop
£591Iberia
Find Deal
Wed, 24 Dec - Thu, 8 Jan
Iberia Logo
19:25 - 18:30PDX-ABZ
15h 05m1 stop
Iberia Logo
09:25 - 17:35ABZ-PDX
16h 10m1 stop
£6,553Iberia
Find Deal
Fri, 3 Oct - Tue, 7 Oct

Air Canada flights from Portland to United Kingdom

Our best Air Canada deals on Portland to United Kingdom flight tickets
Air Canada
23 Sept
PDX19:35Portland
26h 55m
2 stops
LHR06:30London Heathrow
2 Oct
LHR14:05London Heathrow
16h 56m
2 stops
PDX23:01Portland
£401
Find similar
Air Canada
23 Sept
PDX14:15Portland
32h 15m
2 stops
LHR06:30London Heathrow
30 Sept
LHR10:15London Heathrow
20h 46m
2 stops
PDX23:01Portland
£413
Find similar
Air Canada
6 Oct
PDX09:55Portland
15h 40m
2 stops
LHR09:35London Heathrow
22 Oct
LHR09:30London Heathrow
21h 31m
2 stops
PDX23:01Portland
£418
Find similar

Delta flights from Portland to United Kingdom

Our best Delta deals on Portland to United Kingdom flight tickets
Delta
7 Dec
PDX13:25Portland
15h 20m
1 stop
INV12:45Inverness
14 Dec
INV13:15Inverness
30h 10m
1 stop
PDX11:25Portland
£396
Find similar
Delta
22 Oct
PDX13:30Portland
13h 50m
1 stop
LHR11:20London Heathrow
29 Oct
LHR06:30London Heathrow
12h 55m
1 stop
PDX12:25Portland
£399
Find similar
Delta
30 Sept
PDX07:15Portland
20h 05m
1 stop
LHR11:20London Heathrow
10 Oct
LHR06:15London Heathrow
16h 23m
2 stops
PDX14:38Portland
£405
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 18 September 2025.
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

PortlandInverness

PDX - INV

PDXINV

Portland

Sun 2/11

17:45-19:00

1 stop17h 15m

Inverness

Fri 14/11

11:25-23:24

2 stops19h 59m

£388

PortlandInverness

PDX - INV

PDXINV

Portland

Sun 2/11

17:45-19:00

1 stop17h 15m

Inverness

Fri 14/11

11:25-23:26

2 stops20h 01m

£392

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 9/3

15:45-09:55

1 stop11h 10m

Glasgow Intl

Fri 20/3

12:35-18:00

1 stop12h 25m

£396

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 22/10

15:20-13:25

1 stop14h 05m

Glasgow Intl

Wed 29/10

12:35-18:00

1 stop12h 25m

£396

PortlandInverness

PDX - INV

PDXINV

Portland

Sun 7/12

13:25-12:45

1 stop15h 20m

Inverness

Sun 14/12

13:15-11:25

1 stop30h 10m

£396

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 22/10

13:30-11:20

1 stop13h 50m

London Heathrow

Wed 29/10

06:30-12:25

1 stop12h 55m

£399

PortlandLondon

PDX - LHR

PDXLHR

Portland

Fri 3/10

13:25-11:25

1 stop14h 00m

London Heathrow

Fri 10/10

18:00-22:40

1 stop12h 40m

£415

PortlandLondon

PDX - LHR

PDXLHR

Portland

Fri 31/10

06:20-07:05

1 stop17h 45m

London Heathrow

Fri 7/11

06:30-11:25

1 stop12h 55m

£435

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 24/12

17:45-09:30

1 stop31h 45m

Glasgow Intl

Thu 8/1

20:20-15:55

1 stop27h 35m

£591

PortlandAberdeen

PDX - ABZ

PDXABZ

Portland

Fri 3/10

19:25-18:30

1 stop15h 05m

Aberdeen Dyce

Tue 7/10

09:25-17:35

1 stop16h 10m

£6,553

Flights are sorted by cheapest return 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?

The cheapest month to fly to United Kingdom from Portland is in October. Flight prices, which tend to average around £477, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of October, then departing from Portland during the month November is also very affordable. Most momondo users find prices during this month for around £496.

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 Friday. Travellers who choose to depart for United Kingdom on a Friday will often find tickets for as low as £451. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Portland to United Kingdom for around £651.

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

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £511. Try not to purchase tickets at midday because they tend to be around £679. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 to 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 £614 when searching weeks before you fly. 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 £544 on momondo.

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

There are 3 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 12% 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

£373

Fastest flight time

9h 35m

Direct flights

Every day

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from Portland in the past 72 hours is £373. The best return flight deal from Portland to United Kingdom found on momondo in the last 72 hours is £400.
The fastest flight from Portland to United Kingdom takes 9h 35m
Direct flights go from Portland to United Kingdom every day.
There is 1 airport near United Kingdom: London Heathrow (LHR)
Search flight deals

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

    Prices for flights from Portland Airport to United Kingdom are updated 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted 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
British AirwaysPriceFrom £377Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £427Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom £432Free CancellationRating
7.0
545 reviews
Search Icelandair flights
IberiaPriceFrom £446Free CancellationRating
7.0
2,925 reviews
Search Iberia flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Portland to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

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

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 from Portland to United Kingdom.

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

Of course. momondo tracks the price of Portland to United Kingdom flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organise 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
Sat 18/10
Sat 25/10
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 £30
Flights to Manchesterfrom £30
Flights to Birminghamfrom £33
Flights to Edinburghfrom £29
Flights to Belfastfrom £29
Flights to Glasgowfrom £34
Flights to Bristolfrom £30
Flights to Newcastle upon Tynefrom £51
Flights to Aberdeenfrom £45
Flights to Liverpoolfrom £30
Flights to Leedsfrom £36
Flights to Invernessfrom £34