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$247+ Cheap flights from Portland (PDX) to the United Kingdom

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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LHR
abr. 8 — abr. 151
mar. 4/8
mar. 4/15
1 adult, Economy
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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 abril 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$594
(FlightHub)

One-way from

$263
(oojo)

Popular in

June

Cheapest in

November

Average price

$694

Good round-trip deal

$756 or less

Good one-way deal

$549 or less
Provider with most accurate pricing for Portland-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Portland-London (LON) flights.
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From Portland to United Kingdom
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One-way flight from Portland to United Kingdom
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($257 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Portland to United Kingdom.
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Price to beat on a one-way flight from Portland to United Kingdom.
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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 abril 3, 2025.

This FlightHub deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/123:20 pmPDX - GLA
1 stop14h 05mIcelandair
jue. 5/292:25 pmGLA - PDX
1 stop11h 30mIcelandair
Deal found 4/2$594
This Iberia deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/78:01 amPDX - LHR
1 stop16h 59mIberia
mié. 10/1512:00 pmLHR - PDX
1 stop16h 55mIberia
Deal found 4/2$604
This Cheapflightsfares deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/711:14 amPDX - LHR
1 stop13h 56mBritish Airways
mié. 5/143:40 pmLHR - PDX
Nonstop9h 55mBritish Airways
Deal found 4/3$607
This Gotogate deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/83:20 pmPDX - LGW
1 stop15h 20mIcelandair
mar. 5/131:00 pmLGW - PDX
1 stop12h 55mIcelandair
Deal found 4/2$607
This Icelandair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/193:20 pmPDX - LHR
1 stop12h 35mIcelandair
mar. 10/71:05 pmLHR - PDX
1 stop12h 50mIcelandair
Deal found 4/2$609
This FlightHub deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/277:05 pmPDX - LHR
2 stops32h 45mMultiple Airlines
mar. 5/66:00 amLHR - PDX
2 stops24h 36mMultiple Airlines
Deal found 4/3$613
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/305:00 amPDX - LHR
1 stop20h 40mUnited Airlines
vie. 5/98:40 amLHR - PDX
2 stops20h 13mUnited Airlines
Deal found 4/2$618
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/201:55 pmPDX - LHR
1 stop16h 20mDelta
mié. 4/306:30 amLHR - PDX
1 stop12h 50mDelta
Deal found 4/2$619
This Priceline deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/226:15 amPDX - LHR
2 stops16h 15mAir Canada
vie. 10/311:00 pmLHR - PDX
1 stop32h 44mAir Canada
Deal found 4/2$622
This American Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/711:14 amPDX - LHR
1 stop13h 56mAmerican Airlines
mié. 5/143:40 pmLHR - PDX
Nonstop9h 55mAmerican Airlines
Deal found 4/3$626
This oojo deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2211:56 amPDX - GLA
2 stops19h 39mBritish Airways
mié. 10/298:20 pmGLA - PDX
2 stops31h 35mBritish Airways
Deal found 4/2$628
This Air France deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/273:10 pmPDX - LHR
1 stop15h 05mAir France
mar. 5/61:05 pmLHR - PDX
1 stop16h 43mAir France
Deal found 4/3$636

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated abril 3, 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

lun. 5/12

3:20 pm-1:25 pm

1 stop14h 05m

Glasgow Intl

jue. 5/29

2:25 pm-5:55 pm

1 stop11h 30m

$594

PortlandLondon

PDX - LHR

PDXLHR

Portland

mié. 5/7

11:14 am-9:10 am

1 stop13h 56m

London Heathrow

mié. 5/14

3:40 pm-5:35 pm

Nonstop9h 55m

$607

PortlandLondon

PDX - LGW

PDXLGW

Portland

jue. 5/8

3:20 pm-2:40 pm

1 stop15h 20m

London Gatwick

mar. 5/13

1:00 pm-5:55 pm

1 stop12h 55m

$607

PortlandLondon

PDX - LHR

PDXLHR

Portland

vie. 9/19

3:20 pm-11:55 am

1 stop12h 35m

London Heathrow

mar. 10/7

1:05 pm-5:55 pm

1 stop12h 50m

$609

PortlandLondon

PDX - LHR

PDXLHR

Portland

lun. 9/8

7:25 pm-1:00 pm

Nonstop9h 35m

London Heathrow

mar. 9/16

3:40 pm-5:35 pm

Nonstop9h 55m

$610

PortlandLondon

PDX - LHR

PDXLHR

Portland

dom. 4/27

7:05 pm-11:50 am

2 stops32h 45m

London Heathrow

mar. 5/6

6:00 am-10:36 pm

2 stops24h 36m

$613

PortlandLondon

PDX - LHR

PDXLHR

Portland

mié. 4/30

5:00 am-9:40 am

1 stop20h 40m

London Heathrow

vie. 5/9

8:40 am-8:53 pm

2 stops20h 13m

$618

PortlandLondon

PDX - LHR

PDXLHR

Portland

dom. 4/20

1:55 pm-2:15 pm

1 stop16h 20m

London Heathrow

mar. 4/29

7:15 pm-11:20 am

1 stop24h 05m

$619

PortlandLondon

PDX - LHR

PDXLHR

Portland

lun. 4/28

10:10 am-11:50 am

2 stops17h 40m

London Heathrow

mar. 5/6

10:15 am-6:45 pm

2 stops16h 30m

$622

PortlandLondon

PDX - LHR

PDXLHR

Portland

mié. 5/7

11:14 am-9:10 am

1 stop13h 56m

London Heathrow

mié. 5/14

3:40 pm-5:35 pm

Nonstop9h 55m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 results
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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 round-trip 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, November is the cheapest month in which you can book a flight from Portland to United Kingdom (average of $661). Flying from Portland to United Kingdom in June is currently the most expensive (average of $1,110). 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 abril 3, 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 abril 3, 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).

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 abril 3, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Portland to 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.
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,574 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,427 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    If you book a flight to United Kingdom from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland.

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

    The cheapest airlines for a one-way flight from Portland to United Kingdom are Icelandair ($263), Lufthansa ($382), and Iberia ($384).

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

    The most popular flight routes from Portland to United Kingdom are Portland - London Heathrow, Portland - London Gatwick and Portland - London City.

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

    Consider American Airlines (72%), Alaska Airlines (72%) or Aer Lingus (72%) when booking your flight. These represent the most reliable airlines when flying from Portland to United Kingdom.

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

    The cheapest flight price from Portland to United Kingdom is $446. On average you can expect to pay $2,123. The most popular route, (Portland - London Heathrow), can usually be booked for $575.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Portland to United Kingdom (average of $661). Flying from Portland to United Kingdom in June is currently the most expensive (average of $1,110). 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.

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Alternative routes for Portland to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Boise to Amsterdam flights

Top 10 airlines flying from Portland to United Kingdom

Discover the top 10 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 2,558,603 searches. Data last updated abril 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$492Average$807FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$580Average$927FlexibilityNo cancel feeOn-time67%
IberiaCheapest$587Average$773FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$604Average$845FlexibilityNo cancel feeOn-time70%
KLMCheapest$608Average$977FlexibilityNo cancel feeOn-time75%
DeltaCheapest$613Average$946FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$626Average$822FlexibilityNo cancel feeOn-time71%
FinnairCheapest$629Average$793FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$631Average$986FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$664Average$952FlexibilityNo cancel feeOn-time69%

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