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Portsmouth

Cheap flights from Oregon to Portsmouth, England

PDX — LHR
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Find flight deals from Oregon to Portsmouth

Keep the following information in mind while searching for Oregon to Portsmouth flight deals. Data was last updated June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

November

Average price

$1,070
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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Highest demand for flights based on searches. 17% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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Cheapflights Insights

Everything you need to know about your flight from Oregon to Portsmouth

What is the cheapest time of day to fly from OR to P0R?

Find hourly flight availability from Oregon to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 11, 2026.

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

Related info for your journey

Find useful and relevant information for your journey from Oregon to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most reliable airlines from Oregon to Portsmouth?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Oregon to Portsmouth on time: American Airlines (82%), Alaska Airlines (82%), Aer Lingus (82%).

  • What are the cheapest flights from Oregon to Portsmouth?

    Looking for the cheapest flight from Oregon to Portsmouth? While on average our users pay $1,402, our data indicates the cheapest price to be $353. The most popular route (Bend/Redmond - Southampton Eastleigh), is priced around $1,162.

  • Can I find deals for flights from Oregon to Portsmouth that include hotel bookings?

    Yes. In addition to deals on Oregon to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Portsmouth?

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

  • Can I find deals for business class flights from Oregon to Portsmouth?

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

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Top 10 airlines flying from Oregon to Portsmouth

Discover the top 10 airlines that operate flights from Oregon to Portsmouth. 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$472Average$650FlexibilityNo cancel feeOn-time76%
IberiaCheapest$525Average$933FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$538Average$998FlexibilityNo cancel feeOn-time69%
DeltaCheapest$551Average$1,163FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$558Average$957FlexibilityNo cancel feeOn-time72%
KLMCheapest$561Average$672FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$573Average$895FlexibilityNo cancel feeOn-time70%
Alaska AirlinesCheapest$600Average$1,101FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$630Average$1,160FlexibilityNo cancel feeOn-time76%
FinnairCheapest$664Average$977FlexibilityNo cancel feeOn-time76%

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