£146 Find Cheap Flights from Oregon to the United Kingdom

1 adult
1 adult, Economy

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 27% 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.

Useful Info
Useful Info

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

Low seasonFebruary
High seasonSeptember
Cheapest flight£146
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly and prices are also 15% lower on average.
Flight from Portland to London Heathrow Airport

FAQs for booking flights from Oregon to the United Kingdom

  • How does KAYAK find such low prices on flights from Oregon 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 Oregon to the United Kingdom.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Oregon 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 Oregon 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 Oregon 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 Oregon 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 Oregon to the United Kingdom up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in the United Kingdom?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in the United Kingdom is London Heathrow Airport (LHR), with an average flight price of £523.

  • What is the cheapest day to fly to the United Kingdom?

    Based on KAYAK data, the cheapest day to fly to the United Kingdom is Friday when return tickets can be as cheap as £472. On the other hand, the most expensive day to fly is Saturday, when return prices are £773 on average.

  • What is the cheapest time of day to fly to the United Kingdom?

    The cheapest time of day to fly to the United Kingdom is generally at night, when round-trip flights cost £715 on average. Morning departures are around 13% more expensive than evening flights, on average. The most expensive time of day to fly to the United Kingdom is generally in the afternoon, which is peak travel time and where the average cost of a ticket is £926.

  • What is the cheapest flight to the United Kingdom?

    The cheapest ticket to the United Kingdom from Oregon found in the last 72 hours was to London Heathrow Airport, at £668 return. The most popular route is Portland (PDX) to London Heathrow Airport (LHR) and the cheapest return airline ticket found on this route in the last 72 hours was £668.

  • What is the cheapest month to fly from Oregon to the United Kingdom?

    The cheapest month for flights from Oregon to the United Kingdom is October, when tickets cost £528 (return) on average. On the other hand, the most expensive months are November and December, when the average cost of round-trip tickets is £1,306 and £1,183 respectively.

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

    To get a below-average price on the flight from Oregon to the United Kingdom, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

  • How long is the flight to the United Kingdom?

    An average direct flight from Oregon to the United Kingdom takes 16h 46m, covering a distance of 4814 miles. The shortest route is Portland (PDX) to London Heathrow Airport (LHR) with an average flight time of 9h 35m.

  • What are the most popular destinations in the United Kingdom?

    Based on KAYAK flight searches, the most popular destination is London (93% of total searches to the United Kingdom). The next most popular destinations are Edinburgh (4%) and Manchester (1%). Searches for flights to Belfast (1%), to Bristol (0%), and to Inverness (0%) are also popular.

Book cheap flights from Oregon to the United Kingdom

Cheapest flights to the United Kingdom from Oregon found in 2025

Recent return flight deals

6/10Mon
1 stopUnited Airlines
33h 40mPDX-LHR
9/10Thu
2 stopsUnited Airlines
20h 16mLHR-PDX
£375
17/11Mon
1 stop
12h 25mPDX-LHR
19/11Wed
2 stops
21h 38mLHR-PDX
£381
1/10Wed
1 stopIcelandair
14h 05mPDX-GLA
15/10Wed
1 stopIcelandair
11h 35mGLA-PDX
£396
8/10Wed
1 stopIcelandair
15h 20mPDX-LGW
29/10Wed
1 stopIcelandair
13h 05mLGW-PDX
£403
6/10Mon
2 stopsAir Canada
19h 20mPDX-LHR
22/10Wed
2 stopsAir Canada
18h 06mLHR-PDX
£455
23/9Tue
2 stopsAir Canada
18h 35mPDX-LHR
2/10Thu
2 stopsAir Canada
22h 21mLHR-PDX
£458
28/9Sun
2 stopsLufthansa
15h 35mPDX-LHR
8/10Wed
2 stopsLufthansa
20h 16mLHR-PDX
£459
22/10Wed
1 stopLufthansa
13h 55mPDX-LHR
31/10Fri
2 stopsLufthansa
19h 06mLHR-PDX
£467
10/8Sun
1 stopDelta
19h 00mPDX-LGW
21/8Thu
1 stopDelta
17h 31mLGW-PDX
£467
12/8Tue
1 stopDelta
15h 56mPDX-LHR
22/8Fri
2 stopsDelta
17h 55mLHR-PDX
£492

Search by stops

Search by airline

Search by price

Recent one-way flight deals

1/10Wed
1 stopIcelandair
12h 35mPDX-LHR
£146
6/10Mon
1 stopIcelandair
21h 00mPDX-LHR
£151
30/7Wed
2 stops
35h 45mPDX-LGW
£177
29/9Mon
1 stop
18h 09mPDX-LGW
£183
27/8Wed
3 stopsWestJet
34h 20mPDX-EDI
£229
1/9Mon
1 stopJetBlue
13h 14mPDX-LGW
£269
15/8Fri
2 stopsWestJet
36h 20mPDX-EDI
£281
2/8Sat
2 stopsAir Canada
32h 10mPDX-LHR
£281
12/10Sun
2 stopsAir Canada
19h 20mPDX-LHR
£290
27/8Wed
1 stopJetBlue
13h 49mPDX-EDI
£319

Search by stops

Search by airline

Search by price

Last minute flights from Oregon to the United Kingdom

Last minute flight, train and bus deals

16/6Mon
multi-stop
29h 05mPDX-LGW
25/6Wed
multi-stop
35h 07mLGW-PDX
£704
16/6Mon
multi-stop
29h 05mPDX-LGW
25/6Wed
multi-stop
21h 11mLGW-PDX
£706
16/6Mon
multi-stopAir Canada
21h 35mPDX-LHR
23/6Mon
multi-stopAir Canada
27h 20mLHR-PDX
£820
16/6Mon
multi-stopAlaska Airlines
32h 55mPDX-LHR
25/6Wed
multi-stopAlaska Airlines
19h 44mLHR-PDX
£923
17/6Tue
multi-stopAlaska Airlines
15h 00mPDX-LHR
4/7Fri
multi-stopAlaska Airlines
24h 28mLHR-PDX
£924
17/6Tue
multi-stopIcelandair
22h 55mPDX-LHR
3/7Thu
multi-stopIcelandair
25h 30mLHR-PDX
£982
16/6Mon
multi-stopAir Canada
33h 40mPDX-LHR
23/6Mon
multi-stopAir Canada
27h 20mLHR-PDX
£988
17/6Tue
multi-stopUnited Airlines
13h 55mPDX-LHR
3/7Thu
multi-stopUnited Airlines
16h 51mLHR-PDX
£1,049
17/6Tue
multi-stopUnited Airlines
16h 30mPDX-LHR
27/6Fri
multi-stopUnited Airlines
28h 23mLHR-PDX
£1,063
15/6Sun
multi-stopIcelandair
22h 55mPDX-LHR
23/6Mon
multi-stopIcelandair
28h 30mLHR-PDX
£1,091

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to the United Kingdom

Cabin class types available on flights to Oregon

Cabin classes available on flights to Oregon. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to the United Kingdom
Business Class flights to the United Kingdomfrom £2,342
Prem Econ Class flights to the United Kingdomfrom £2,461
Economy class flights to the United Kingdomfrom £492

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.