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Cheap flights from Portsmouth to Washington from £615

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
27 Oct — 3 Nov1
1 adult

Find flight deals from Portsmouth to Washington

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 22 October 2024.

Tue 3/1217:20SOU - SEA
1 stop26h 32mKLM
Tue 10/1214:13SEA - SOU
1 stop18h 37mKLM
Deal found 21/10£615
Tue 3/1217:20SOU - SEA
1 stop26h 32mVirgin Atlantic
Tue 10/1209:29SEA - SOU
2 stops23h 21mVirgin Atlantic
Deal found 21/10£618
Tue 3/1209:00SOU - SEA
2 stops22h 11mDelta
Tue 10/1212:06SEA - SOU
2 stops20h 44mDelta
Deal found 21/10£630
Thu 5/1220:10SOU - SEA
1 stop30h 05mAer Lingus
Wed 11/1200:15SEA - SOU
2 stops31h 20mAer Lingus
Deal found 21/10£899
Thu 5/1220:10SOU - SEA
3 stops28h 50mMultiple Airlines
Thu 12/1206:05SEA - SOU
2 stops25h 30mMultiple Airlines
Deal found 21/10£1,172
Sun 3/1119:55SOU - SEA
2 stops29h 00mBritish Airways
Sat 9/1113:45SEA - SOU
2 stops17h 40mBritish Airways
Deal found 20/10£1,943

Find flights from Portsmouth to Washington within your budget

Customise your flight search to find flights from Portsmouth to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 1,032,068 searches. Data last updated 22 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£615 - £1,943

Route

Depart

Return

Price

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 3/12

1 stop26h 32m

Seattle/Tacoma Intl

Tue 10/12

1 stop18h 37m

£615

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 3/12

1 stop26h 32m

Seattle/Tacoma Intl

Tue 10/12

2 stops23h 21m

£618

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Tue 3/12

2 stops22h 11m

Seattle/Tacoma Intl

Tue 10/12

2 stops20h 44m

£630

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Thu 5/12

1 stop30h 05m

Seattle/Tacoma Intl

Wed 11/12

2 stops31h 20m

£899

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Thu 5/12

3 stops28h 50m

Seattle/Tacoma Intl

Thu 12/12

2 stops25h 30m

£1,172

Southampton EastleighSeattle/Tacoma Intl

SOU - SEA

SOUSEA

Southampton Eastleigh

Sun 3/11

2 stops29h 00m

Seattle/Tacoma Intl

Sat 9/11

2 stops17h 40m

£1,943

Flights are sorted by cheapest first

Deals found on 21/10

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Portsmouth to Washington

Get recent, data-driven insights about flights from Portsmouth to Washington including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Portsmouth to State of Washington (average of £609). Flying from Portsmouth to State of Washington in July is currently the most expensive (average of £838). 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 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 22 October 2024.

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.

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 22 October 2024.

The most flights from P0R to USWA are scheduled on a Monday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

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.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated 22 October 2024.
Delta
8.0
Very Good
8,892 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very Good
8,892 reviews
Delta
8.0
Very Good
8,892 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

KLM
7.8
Good
1,360 reviews
Delta
8.0
Very Good
8,892 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Virgin Atlantic
7.6
Good
668 reviews
Delta
8.0
Very Good
8,892 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Aer Lingus
7.1
Good
1,090 reviews
Delta
8.0
Very Good
8,892 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

British Airways
6.7
Okay
6,841 reviews
Delta
8.0
Very Good
8,892 reviews
Check prices

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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.

  • Can I find flights from Portsmouth to State of Washington for under £700 on Cheapflights?

    Yes, there are multiple flights from Portsmouth to State of Washington for under £700. The cheapest flight booked recently is on KLM for just £615, but on average you can expect to pay £979.

  • What days are direct flights available from Portsmouth to State of Washington?

    Direct flights can be found on the following days: Tuesday, Wednesday, Thursday, Friday.

  • How many flights depart from Portsmouth to State of Washington on average per day?

    On average 13 flights depart from Portsmouth to State of Washington per day.
    Afternoon (Midday - 6pm) - 100% of flight departures

  • How long is the flight from Portsmouth to State of Washington?

    Departing from Portsmouth to State of Washington will take you 22h 11m. The distance between Portsmouth and State of Washington is about 4812 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Consider KLM (68%), Air France (68%) or Delta (68%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to State of 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 £2,024, our data indicates the cheapest price to be £459. The most popular route (Southampton Eastleigh - Seattle/Tacoma Intl), is priced around £615.

  • What does LHR to SEA mean?

    This is defined as London Heathrow Airport (LHR) and Seattle/Tacoma Intl Airport (SEA). Codes like Seattle/Tacoma Intl Airport are often used to just call airports uniquely. Ready for more IATA code knowledge? These are related airports for your current travel destination: Spokane Airport (GEG), Wenatchee Pangborn Field Airport (EAT), Pasco Tri Cities Airport (PSC), Bellingham Airport (BLI), Everett Paine Field Airport (PAE).

  • Can I find deals for flights from Portsmouth to Washington that include extra baggage allowance?

    The amount of baggage you can bring on your Portsmouth to Washington flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portsmouth to Washington with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portsmouth to Washington flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    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.

  • Can I find deals for flights from Portsmouth to Washington that allow pets onboard?

    Many airlines flying from Portsmouth to Washington offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portsmouth to Washington?

    Yes, you can often find last-minute deals on Portsmouth to Washington flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portsmouth to State of Washington flight deals updated?

    The Portsmouth to State of Washington flight deals you see on this page were last updated on 21/10.

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

    Currently, February is the cheapest month in which you can book a flight from Portsmouth to State of Washington (average of £609). Flying from Portsmouth to State of Washington in July is currently the most expensive (average of £838). 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.

See more FAQs

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Alternative routes for Portsmouth to Washington
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Top 10 airlines flying from Portsmouth to Washington

Discover the top 10 airlines that operate flights from Portsmouth to Washington. 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 1,032,068 searches. Data last updated 22 October 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£248Average£488FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£320Average£889FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£400Average£810FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£406Average£546FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£408Average£649FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£418Average£581FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£422Average£520FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£425Average£691FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£438Average£630FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£460Average£618FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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

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

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.

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

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.

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

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.

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