Cheap flights from Portsmouth to Washington

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How to find the cheapest flight from
Portsmouth to Washington

All the information you need to plan the best null to SEA flight in 2021: compare Portsmouth to Washington flight prices with the expected peak season, weather and rainfall in Washington.
When is the cheapest time to fly from Portsmouth to State of Washington (P0R - WA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to State of Washington as you normally would.

How far in advance should I book a flight from Portsmouth to State of Washington?

To save up to 51% on this flight, we recommend booking at least 52 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portsmouth to State of Washington from £464 1-2 weeks out and tickets from £608 for flights departing within the next 72 hours.

What is the cheapest month to fly from Portsmouth to State of Washington?

The best pricing can be found in the month of February. Prices to State of Washington from Portsmouth average £410. You can even find prices in February for less than £410, as users have found deals to State of Washington from as low as £270. The month of July appears to be one of the more expensive times to travel to State of Washington from Portsmouth. Flying in the targeted month can save you up to 37%.

One-way flights to Washington from Portsmouth

The cheapest one-way flights from Portsmouth to Washington
05:20 - 07:35
Delta
1 stop
34h 15m
SOU - SEA
Delta
£1,509
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Portsmouth</span> to <span class="emphasized">Washington</span> flights.

Flight FAQs

From Portsmouth to Washington

What are the cheapest flights from Portsmouth to State of Washington?

Looking for the cheapest flight from Portsmouth to State of Washington? While on average our users pay £1,040, our data indicates the cheapest price to be £315. The most popular route (Southampton Eastleigh - Seattle/Tacoma Intl), is priced around £2,133.

What are the most reliable airlines from Portsmouth to State of Washington?

Consider Alaska Airlines (90%), American Airlines (72%) or Finnair (72%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to State of Washington.

What are the most popular airlines that fly from Portsmouth to State of Washington?

American Airlines, Air Canada and Air France are the most popular airlines when flying from Portsmouth to State of Washington.

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COVID Restrictions

View COVID Travel Restrictions for Washington (WA)

Do I need a COVID test to fly to Washington from Portsmouth?

Information is based on travel restrictions from Portsmouth to Washington

Most visitors from Portsmouth need to provide a negative COVID-19 test result and/or quarantine to enter Washington.

COVID-19 testing requirements
Visitors from Portsmouth must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington.

Quarantine requirements
Visitors from Portsmouth are not required to quarantine after entering Washington.

Do I need a test to fly back to Portsmouth from Washington?

Returning to Portsmouth from Washington

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Portsmouth.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering Portsmouth.

Hide COVID Travel Restrictions for Washington (WA)

Arrival points for flights from Portsmouth to Washington

Select to see more specific information for flights to Washington from all departure points in Portsmouth.
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Destination information for Washington

Things to know before you go - useful duration and weather info for your trip from Portsmouth to Washington.
Today's exchange rate
£1 = $1.34

Airports servicing Portsmouth

Airports servicing

Seattle King County/Boeing (BFI)
Bellingham (BLI)
Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)

Top 10 airlines flying from Portsmouth to Washington

The chart below displays the airlines Cheapflights users travelling from Portsmouth to Washington choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Austrian Airlines
£233 £329 No cancel fee 78%
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United Airlines
£251 £401 No cancel fee 69%
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Air Canada
£269 £475 No cancel fee 67%
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Lufthansa
£281 £468 No cancel fee 76%
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Norwegian Air UK
£290 £530 No cancel fee N/A
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KLM
£291 £522 No cancel fee 75%
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Iberia
£301 £517 No cancel fee 77%
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Virgin Atlantic
£304 £605 No cancel fee 72%
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American Airlines
£306 £491 No cancel fee 71%
Search American Airlines flights
Delta
£307 £730 No cancel fee N/A
Search Delta flights
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