How does KAYAK find such low prices on flights from Oregon to London Heathrow Airport?

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 London Heathrow Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to London Heathrow Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Oregon 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 London Heathrow Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Oregon with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to London Heathrow Airport?

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 to London Heathrow Airport from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

£244 CHEAP FLIGHTS from Oregon to London Heathrow (LHR)

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Cheap Flights from Oregon to Heathrow

Discover the best prices for you by selecting your travel dates on KAYAK.

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Recent return flight deals from Oregon to Heathrow

Thu, 3 Dec - Sun, 13 Dec

14:45 - 21:40PDX Portland-LHR London Heathrow

22h 55m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

06:40 - 17:00LHR London Heathrow-PDX Portland

18h 20m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£562Multiple Airlines

Mon, 19 Oct - Wed, 28 Oct

15:30 - 21:35PDX Portland-LHR London Heathrow

22h 05m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

07:05 - 18:00LHR London Heathrow-PDX Portland

17h 55m2 stops Oslo Gardermoen Reykjavik Keflavik Intl

£565Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

14:45 - 09:35PDX Portland-LHR London Heathrow

34h 50m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Oslo Gardermoen

06:40 - 17:00LHR London Heathrow-PDX Portland

18h 20m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£566Multiple Airlines

Mon, 7 Dec - Sat, 12 Dec

14:45 - 21:35PDX Portland-LHR London Heathrow

22h 50m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Oslo Gardermoen

16:15 - 17:00LHR London Heathrow-PDX Portland

32h 45m3 stops Helsinki-Vantaa Stockholm Arlanda Reykjavik Keflavik Intl

£566Multiple Airlines

Wed, 3 Mar - Fri, 5 Mar

05:00 - 07:10RDM Bend/Redmond-LHR London Heathrow

18h 10m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

06:35 - 18:03LHR London Heathrow-RDM Bend/Redmond

19h 28m2 stops Munich Franz Josef Strauss San Francisco

£567United Airlines

Mon, 1 Mar - Wed, 3 Mar

10:00 - 11:50PDX Portland-LHR London Heathrow

17h 50m1 stop Vancouver Intl

09:00 - 20:33LHR London Heathrow-PDX Portland

19h 33m2 stops Zurich San Francisco

£569Multiple Airlines

Mon, 1 Mar - Thu, 4 Mar

19:10 - 11:50PDX Portland-LHR London Heathrow

32h 40m1 stop Vancouver Intl

06:35 - 18:30LHR London Heathrow-PDX Portland

19h 55m2 stops Munich Franz Josef Strauss Vancouver Intl

£569Multiple Airlines

Thu, 5 Nov - Wed, 11 Nov

07:00 - 21:40PDX Portland-LHR London Heathrow

30h 40m3 stops Vancouver Intl Munich Franz Josef Strauss Kastrup Copenhagen

18:40 - 20:46LHR London Heathrow-PDX Portland

34h 06m3 stops Kastrup Copenhagen Munich Franz Josef Strauss Vancouver Intl

£569Multiple Airlines

Mon, 1 Mar - Wed, 10 Mar

17:45 - 11:20PDX Portland-LHR London Heathrow

9h 35mdirect

13:35 - 15:50LHR London Heathrow-PDX Portland

10h 15mdirect

£667British Airways

Wed, 27 Jan - Fri, 29 Jan

17:45 - 11:20PDX Portland-LHR London Heathrow

9h 35mdirect

13:35 - 15:50LHR London Heathrow-PDX Portland

10h 15mdirect

£667British Airways