Portsmouth

Cheap flights from Oregon to Portsmouth, England

PDX — LHR
nov 29 — dez 61
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Cheap flight deals from Oregon to Portsmouth

Keep the following information in mind while searching for Oregon to Portsmouth flight deals. Data was last updated outubro 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

June

Cheapest in

October

Average price

$656
Provider with most accurate pricing for Portland-London (LON) flight deals.
Provider most trusted by Cheapflights users for Portland-London (LON) flights.
Highest demand for flights based on searches. 22% potential increase in price ($236 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Cheapflights Insights

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

What is the cheapest month to book a flight from Oregon to Portsmouth?

Currently, October is the cheapest month in which you can book a flight from Oregon to Portsmouth (average of $525). Flying from Oregon to Portsmouth in June is currently the most expensive (average of $774). 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 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 outubro 30, 2025.

When flying from Oregon to Portsmouth, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 24% versus a flight in the evening.

What is the cheapest day to fly from Oregon to Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from Oregon to Portsmouth. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oregon to Portsmouth flight should consider departing on Sunday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 $1,428, our data indicates the cheapest price to be $414. The most popular route (Bend/Redmond - Southampton Eastleigh), is priced around $969.

  • 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.

  • What is the cheapest month to book a flight from Oregon to Portsmouth?

    Currently, October is the cheapest month in which you can book a flight from Oregon to Portsmouth (average of $525). Flying from Oregon to Portsmouth in June is currently the most expensive (average of $774). 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 Oregon to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.

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 outubro 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$493Average$760FlexibilityNo cancel feeOn-time76%
DeltaCheapest$552Average$1,031FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$561Average$669FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$567Average$946FlexibilityNo cancel feeOn-time72%
IberiaCheapest$577Average$789FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$594Average$846FlexibilityNo cancel feeOn-time70%
Alaska AirlinesCheapest$600Average$1,408FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$619Average$1,019FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$632Average$1,342FlexibilityNo cancel feeOn-time71%
FinnairCheapest$645Average$942FlexibilityNo cancel feeOn-time76%

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