Question 1

What is the cheapest month to book a flight from Portsmouth to State of Washington?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Portsmouth to State of Washington (average of £622). Flying from Portsmouth to State of Washington in July is currently the most expensive (average of £946). 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.

Question 2

Weekly flight availability from Portsmouth to State of Washington

Accepted Answer

The most flights from P0R to USWA are scheduled on a Monday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

Question 3

E

Accepted Answer

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

Question 4

E

Accepted Answer

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Question 5

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

Accepted Answer

Looking for the cheapest flight from Portsmouth to State of Washington? While on average our users pay £2,006, our data indicates the cheapest price to be £340. The most popular route (Southampton Eastleigh - Seattle/Tacoma Intl), is priced around £752.

Question 6

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

Accepted Answer

Consider Aeromexico (95%), KLM (93%) or Air France (93%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to State of Washington.

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

To save up to 39% on this flight, we recommend booking at least 44 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 £542 1-2 weeks out and tickets from £787 for flights departing within the next 72 hours.

Question 9

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

Accepted Answer

The best pricing can be found in the month of January. Prices to State of Washington from Portsmouth average £552. You can even find prices in January for less than £552, as users have found deals to State of Washington from as low as £320. The month of August 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 30%.

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

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

Question 12

How can I find direct flights from Portsmouth to Washington?

Accepted Answer

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

Question 13

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

Accepted Answer

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

Question 14

How does Cheapflights help users find flights from Portsmouth to Washington?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Washington from Portsmouth today with Cheapflights!

Question 15

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Washington?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Washington.

Question 16

Can Cheapflights find flights from Portsmouth to Washington with no change fees?

Accepted Answer

Yes, we can. To see specific flights from Portsmouth to Washington with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 17

Can Cheapflights notify me if prices for flights from Portsmouth to Washington become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Portsmouth to Washington and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	£735
One-way from	£476
Popular in	August
Cheapest in	January
Average price	£719

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£7	Average£652	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Icelandair	Cheapest£320	Average£489	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air France	Cheapest£379	Average£554	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Lufthansa	Cheapest£385	Average£540	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£386	Average£578	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Finnair	Cheapest£397	Average£553	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£400	Average£594	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air Canada	Cheapest£414	Average£576	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£418	Average£989	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£435	Average£690	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Cheap flights from Portsmouth to Washington from £476

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Washington

Keep the following information in mind while searching for Portsmouth to Washington flight deals. Data was last updated 4 July 2025.

Round-trip from

One-way from

Popular in

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Find flight deals from Portsmouth to Washington

Cheapest flights from Portsmouth to WashingtonExplore the most affordable flight options available from Portsmouth to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from Portsmouth to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

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Use the filters below to find and compare flights from Portsmouth to Washington that are best for you.

Best time to book a flight from Portsmouth to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Portsmouth with our price prediction graph.

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

What is the cheapest month to book a flight from Portsmouth to State of Washington?

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

Find hourly flight availability from Portsmouth to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

Weekly flight availability from Portsmouth to State of Washington

Explore weekly flight availability from Portsmouth to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.

Reviews of airlines servicing Washington

See what other customers who have flown with Delta, Virgin Atlantic, andAer Lingus from Portsmouth to Washington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Washington. 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 Portsmouth to State of Washington?

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

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

How can I find direct flights from Portsmouth to Washington?

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

What is the cheapest month to book a flight from Portsmouth to State of Washington?

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Alternative routes for Portsmouth to Washington

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Top 10 airlines flying from Portsmouth to Washington

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How does Cheapflights help users find flights from Portsmouth to Washington?

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Washington?

Can Cheapflights find flights from Portsmouth to Washington with no change fees?

Can Cheapflights notify me if prices for flights from Portsmouth to Washington become cheaper?

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Cheapest flights from Portsmouth to Washington
Explore the most affordable flight options available from Portsmouth to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.