Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Portland to the United Kingdom from £149

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LHR
5 Jul — 12 Jul1
1 adult

Cheap flight deals from Portland to United Kingdom

Keep the following information in mind while searching for Portland to United Kingdom flight deals. Data was last updated 30 June 2025.

Round-trip from

£364

One-way from

£149

Popular in

June

Cheapest in

October

Average price

£900

Good one-way deal

£337 or less
Icelandair
  • Icelandair
  • 6/10-17/10
  • 2 total stops
  • 25h 40m total
  • Portland to United Kingdom
Icelandair
  • Icelandair
  • 9/10
  • 1 total stop
  • 14h 00m total
  • Portland to United Kingdom
Highest demand for flights based on searches. 22% potential increase in price (£127 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in June 2025
Price to beat on a one-way flight from Portland to United Kingdom.

Find flight deals from Portland to United Kingdom

Cheapest flights from Portland to United Kingdom
Explore the most affordable flight options available from Portland to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Mon 6/1015:20PDX - GLA
1 stop14h 05mIcelandair
Fri 17/1014:20GLA - PDX
1 stop11h 35mIcelandair
Deal found 29/6£364
Wed 13/806:15PDX - EDI
3 stops24h 00mMultiple Airlines
Wed 20/823:25EDI - PDX
3 stops31h 36mMultiple Airlines
Deal found 30/6£393
Sun 2/1107:00PDX - INV
2 stops20h 10mMultiple Airlines
Fri 14/1111:05INV - PDX
1 stop13h 30mMultiple Airlines
Deal found 30/6£393
Sat 27/919:25PDX - INV
1 stop16h 45mBritish Airways
Fri 17/1010:25INV - PDX
1 stop15h 10mBritish Airways
Deal found 27/6£397
Sat 27/919:25PDX - INV
1 stop16h 45mAmerican Airlines
Thu 16/1015:30INV - PDX
1 stop34h 05mAmerican Airlines
Deal found 27/6£404
Sat 27/915:20PDX - EDI
1 stop14h 00mIcelandair
Fri 17/1014:15EDI - PDX
1 stop11h 40mIcelandair
Deal found 27/6£411
Sun 10/823:59PDX - EDI
2 stops25h 06mAir Canada
Tue 26/811:15EDI - PDX
2 stops35h 35mAir Canada
Deal found 30/6£439
Sat 2/815:20PDX - MAN
1 stop12h 40mMultiple Airlines
Sun 24/819:50MAN - PDX
2 stops45h 35mMultiple Airlines
Deal found 29/6£451
Sun 10/813:25PDX - EDI
1 stop35h 55mVirgin Atlantic
Tue 26/811:20EDI - PDX
2 stops20h 32mVirgin Atlantic
Deal found 30/6£455
Mon 25/819:25PDX - ABZ
1 stop16h 45mBritish Airways
Wed 17/906:50ABZ - PDX
1 stop18h 45mBritish Airways
Deal found 30/6£464
Wed 13/810:38PDX - GLA
2 stops19h 37mBritish Airways
Wed 20/810:35GLA - PDX
2 stops20h 45mBritish Airways
Deal found 29/6£467
Wed 1/1017:47PDX - GLA
2 stops16h 03mMultiple Airlines
Wed 15/1007:00GLA - PDX
1 stop18h 35mMultiple Airlines
Deal found 30/6£473

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 30 June 2025.
Use the filters below to find and compare flights from Portland to the United Kingdom that are best for you.

Fly from

Portland

Fly to

United Kingdom

Route

Depart

Return

Price

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 6/10

15:20-13:25

1 stop14h 05m

Glasgow Intl

Fri 17/10

14:20-17:55

1 stop11h 35m

£364

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Wed 13/8

06:15-14:15

3 stops24h 00m

Edinburgh Turnhouse

Wed 20/8

23:25-23:01

3 stops31h 36m

£393

PortlandInverness

PDX - INV

PDXINV

Portland

Sun 2/11

07:00-11:10

2 stops20h 10m

Inverness

Fri 14/11

11:05-16:35

1 stop13h 30m

£393

PortlandInverness

PDX - INV

PDXINV

Portland

Sat 27/9

19:25-20:10

1 stop16h 45m

Inverness

Fri 17/10

10:25-17:35

1 stop15h 10m

£397

PortlandInverness

PDX - INV

PDXINV

Portland

Sat 27/9

19:25-20:10

1 stop16h 45m

Inverness

Thu 16/10

15:30-17:35

1 stop34h 05m

£404

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Sat 27/9

15:20-13:20

1 stop14h 00m

Edinburgh Turnhouse

Fri 17/10

14:15-17:55

1 stop11h 40m

£411

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Sun 10/8

23:59-09:05

2 stops25h 06m

Edinburgh Turnhouse

Tue 26/8

11:15-14:50

2 stops35h 35m

£439

PortlandManchester

PDX - MAN

PDXMAN

Portland

Sat 2/8

15:20-12:00

1 stop12h 40m

Manchester

Sun 24/8

19:50-09:25

2 stops45h 35m

£451

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Sun 10/8

13:25-09:20

1 stop35h 55m

Edinburgh Turnhouse

Tue 26/8

11:20-23:52

2 stops20h 32m

£455

PortlandAberdeen

PDX - ABZ

PDXABZ

Portland

Mon 25/8

19:25-20:10

1 stop16h 45m

Aberdeen Dyce

Wed 17/9

06:50-17:35

1 stop18h 45m

£464

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Portland to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Portland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to the United Kingdom

What is the cheapest month to book a flight from Portland to United Kingdom?

Currently, January is the cheapest month in which you can book a flight from Portland to United Kingdom (average of £112). Flying from Portland to United Kingdom in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to GB?

Find hourly flight availability from Portland to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 June 2025.

When flying from Portland to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Portland to United Kingdom

Explore weekly flight availability from Portland to United Kingdom. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 June 2025.

The most flights from PDX to GB0 are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated 30 June 2025.
Get a feel of what it's like to fly with Delta, KLM, andAir France from Portland to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Portland to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Portland to United Kingdom?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to United Kingdom.

  • What are the cheapest airlines to fly from Portland to United Kingdom one-way?

    The cheapet airlines for a one-way flight from Portland to United Kingdom are Icelandair (£149), WestJet (£220), and JetBlue (£273).

  • What are the most popular routes from Portland to United Kingdom?

  • What are the most reliable airlines from Portland to United Kingdom?

    No one likes to see their flight delayed. When booking a flight from Portland to United Kingdom consider choosing American Airlines (82%), Alaska Airlines (82%) or Aer Lingus (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portland to United Kingdom?

    Looking for the cheapest flight from Portland to United Kingdom? While on average our users pay £1,663, our data indicates the cheapest price to be £310. The most popular route (Portland - London Heathrow), is priced around £364.

  • Can I find deals for flights from Portland to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Portland to United Kingdom flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portland to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to United Kingdom.

  • Can I find deals for business class flights from Portland to United Kingdom?

    Yes. Cheapflights offers flight deals from Portland to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to United Kingdom?

    Currently, January is the cheapest month in which you can book a flight from Portland to United Kingdom (average of £112). Flying from Portland to United Kingdom in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Portland to United Kingdom

Discover the top 3 airlines that operate flights from Portland to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£380Average£581FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£422Average£489FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£444Average£534FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to United Kingdom?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to United Kingdom from Portland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Portland to United Kingdom?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland to United Kingdom.

Can Cheapflights find flights from Portland to United Kingdom with no change fees?

Yes! Cheapflights helps users easily find flights from Portland to United Kingdom with no change fees.

Can Cheapflights notify me if prices for flights from Portland to United Kingdom become cheaper?

Not ready to book yet? You can track prices for flights from Portland to United Kingdom on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.