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Cheap flights from Portsmouth to Washington, D.C. from £379

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — WAS
21 Apr — 28 Apr1
1 adult
Sun 21/4
Sun 28/4

Cheap flight deals from Portsmouth to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Portsmouth (P0R) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 April 2024.

Round-trip from

£451
From Portsmouth to Washington, D.C. (WAS)

How far in advance should I book a flight from Portsmouth to Washington, D.C.?

Travelers have found it’s best to book a flight 57 days in advance to save up to 31% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 57 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portsmouth to Washington, D.C. 1-2 weeks in advance for as low as £554, or £613 for flights within the next 24 hours.

What is the cheapest month to fly from Portsmouth to Washington, D.C.?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, September can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from Portsmouth in September are about £532 on average during September, but can be found for as low as £282.

When is the cheapest time to fly from Portsmouth to Washington, D.C. (P0R - WAS)?

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

Cheap British Airways flights from Portsmouth to Washington, D.C.

Explore cheap flight options specifically provided by British Airways for the route between Portsmouth and Washington, D.C.. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 891,631 searches. Data last updated 16 April 2024.
Tue 30/408:40SOU - IAD
2 stops16h 50mBritish Airways
Tue 7/517:55IAD - SOU
2 stops13h 10mBritish Airways
Deal found 16/4£789
Tue 30/409:40SOU - IAD
1 stop11h 00mBritish Airways
Tue 7/517:55IAD - SOU
2 stops13h 10mBritish Airways
Deal found 16/4£801
Tue 30/409:40SOU - IAD
1 stop11h 00mBritish Airways
Tue 7/517:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 16/4£816
Mon 3/609:40SOU - IAD
1 stop14h 30mBritish Airways
Tue 2/713:13IAD - SOU
2 stops14h 57mBritish Airways
Deal found 15/4£895
Mon 3/609:40SOU - IAD
1 stop14h 30mBritish Airways
Mon 1/717:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 15/4£896
Mon 3/608:40SOU - BWI
2 stops15h 50mBritish Airways
Tue 2/721:20BWI - SOU
2 stops13h 05mBritish Airways
Deal found 15/4£907
Wed 5/609:40SOU - IAD
1 stop11h 00mBritish Airways
Thu 27/617:55IAD - SOU
2 stops13h 05mBritish Airways
Deal found 15/4£909
Wed 5/608:40SOU - BWI
2 stops15h 50mBritish Airways
Tue 2/721:20BWI - SOU
2 stops13h 05mBritish Airways
Deal found 15/4£911
Thu 6/609:40SOU - IAD
1 stop11h 00mBritish Airways
Mon 1/713:13IAD - SOU
2 stops14h 57mBritish Airways
Deal found 15/4£925

Cheap Portsmouth to Washington, D.C. flights in April & May 2024

Find cheap flight options from Portsmouth to Washington, D.C. specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 891,631 searches. Prices were last updated on 16 April 2024.
Tue 30/408:40SOU - IAD
2 stops16h 50mBritish Airways
Tue 7/517:55IAD - SOU
2 stops13h 10mBritish Airways
Deal found 16/4£789
Tue 30/409:40SOU - IAD
1 stop11h 00mBritish Airways
Tue 7/517:55IAD - SOU
2 stops13h 10mBritish Airways
Deal found 16/4£801
Tue 30/409:40SOU - IAD
1 stop11h 00mBritish Airways
Tue 7/517:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 16/4£816
Wed 22/508:40SOU - IAD
2 stops16h 50mBritish Airways
Sun 2/622:50IAD - SOU
2 stops15h 35mBritish Airways
Deal found 16/4£946
Wed 22/508:40SOU - IAD
2 stops16h 50mBritish Airways
Sun 2/620:40IAD - SOU
1 stop17h 50mBritish Airways
Deal found 16/4£952
Tue 30/420:00SOU - BWI
2 stops26h 07mBritish Airways
Tue 7/521:15BWI - SOU
2 stops13h 10mBritish Airways
Deal found 16/4£976
Wed 22/509:40SOU - IAD
1 stop11h 00mBritish Airways
Sun 2/617:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 16/4£1,032
Wed 22/508:40SOU - BWI
2 stops15h 45mBritish Airways
Sun 2/613:21BWI - SOU
2 stops14h 49mBritish Airways
Deal found 16/4£1,092
Thu 18/407:55SOU - DCA
2 stops14h 03mKLM
Fri 26/412:40DCA - SOU
2 stops13h 45mKLM
Deal found 15/4£1,097

Portsmouth to Washington, D.C. 2024 flight deals

Discover exclusive flight deals for travel between Portsmouth and Washington, D.C. in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 891,631 searches. Data last updated 16 April 2024.
Tue 30/408:40SOU - IAD
2 stops16h 50mBritish Airways
Tue 7/517:55IAD - SOU
2 stops13h 10mBritish Airways
Deal found 16/4£789
Tue 30/409:40SOU - IAD
1 stop11h 00mBritish Airways
Tue 7/517:55IAD - SOU
2 stops13h 10mBritish Airways
Deal found 16/4£801
Tue 30/409:40SOU - IAD
1 stop11h 00mBritish Airways
Tue 7/517:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 16/4£816
Wed 22/508:40SOU - IAD
2 stops16h 50mBritish Airways
Sun 2/622:50IAD - SOU
2 stops15h 35mBritish Airways
Deal found 16/4£946
Wed 22/508:40SOU - IAD
2 stops16h 50mBritish Airways
Sun 2/620:40IAD - SOU
1 stop17h 50mBritish Airways
Deal found 16/4£952
Tue 30/420:00SOU - BWI
2 stops26h 07mBritish Airways
Tue 7/521:15BWI - SOU
2 stops13h 10mBritish Airways
Deal found 16/4£976
Wed 22/509:40SOU - IAD
1 stop11h 00mBritish Airways
Sun 2/617:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 16/4£1,032
Wed 22/508:40SOU - BWI
2 stops15h 45mBritish Airways
Sun 2/613:21BWI - SOU
2 stops14h 49mBritish Airways
Deal found 16/4£1,092
Thu 18/407:55SOU - DCA
2 stops14h 03mKLM
Fri 26/412:40DCA - SOU
2 stops13h 45mKLM
Deal found 15/4£1,097

One-way flights to Washington, D.C. from Portsmouth

Search for one-way flight options from Portsmouth to Washington, D.C.. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 891,631 searches. Data last updated 16 April 2024.
Sun 19/519:55SOU - BWI
2 stops26h 45mMultiple Airlines
Deal found 15/4£379
Sun 19/520:20SOU - BWI
3 stops50h 20mMultiple Airlines
Deal found 15/4£414
Sun 19/517:10SOU - IAD
2 stops31h 05mMultiple Airlines
Deal found 15/4£500
Sun 19/520:20SOU - IAD
3 stops29h 30mMultiple Airlines
Deal found 15/4£533
Sun 19/517:10SOU - DCA
3 stops57h 49mMultiple Airlines
Deal found 15/4£568
Sun 19/509:40SOU - IAD
1 stop11h 00mAer Lingus
Deal found 15/4£675
Sun 19/509:40SOU - DCA
2 stops31h 23mMultiple Airlines
Deal found 15/4£887
Sun 16/619:55SOU - IAD
2 stops24h 45mBritish Airways
Deal found 16/4£1,319
Sun 16/619:55SOU - IAD
2 stops24h 45mBritish Airways
Deal found 15/4£1,329

Find flights from Portsmouth to Washington, D.C. within your budget

Customise your flight search to find flights from Portsmouth to Washington, D.C. 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 891,631 searches. Data last updated 16 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£789 - £925

Route

Depart

Return

Price

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Tue 30/4

2 stops16h 50m

Washington, D.C. Dulles Intl

Tue 7/5

2 stops13h 10m

£789

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Tue 30/4

1 stop11h 00m

Washington, D.C. Dulles Intl

Tue 7/5

2 stops13h 10m

£801

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Tue 30/4

1 stop11h 00m

Washington, D.C. Dulles Intl

Tue 7/5

1 stop11h 00m

£816

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 3/6

1 stop14h 30m

Washington, D.C. Dulles Intl

Tue 2/7

2 stops14h 57m

£895

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 3/6

1 stop14h 30m

Washington, D.C. Dulles Intl

Mon 1/7

1 stop11h 00m

£896

Southampton EastleighBaltimore/Washington

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 3/6

2 stops15h 50m

Baltimore/Washington

Tue 2/7

2 stops13h 05m

£907

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 5/6

1 stop11h 00m

Washington, D.C. Dulles Intl

Thu 27/6

2 stops13h 05m

£909

Southampton EastleighBaltimore/Washington

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 5/6

2 stops15h 50m

Baltimore/Washington

Tue 2/7

2 stops13h 05m

£911

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 6/6

1 stop11h 00m

Washington, D.C. Dulles Intl

Mon 1/7

2 stops14h 57m

£925

Flights are sorted by cheapest first

Deals found on 16/4

When is the cheapest time to fly from Portsmouth to Washington, D.C.?

Use this chart to determine the cheapest time to fly return from Portsmouth to Washington, D.C.. Price data was last updated on 14 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Portsmouth to Washington, D.C. flight should consider departing on Friday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Washington, D.C. by month

Plan your trip from Portsmouth to Washington, D.C. by taking into account the cheapest months to travel. The average price of a one-way flight from Portsmouth to Washington, D.C. is currently £734 while a return flight costs £872. Price data was last updated on 14 April 2024.

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Washington, D.C. (average of £598). Flying from Portsmouth to Washington, D.C. in June is currently the most expensive (average of £840). 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.

January

£481

February

£500

March

£560

April

£544

May

£583

June

£675

July

£674

August

£607

September

£564

October

£517

November

£486

December

£498

Temperature and rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

2 - 27 °C

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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, D.C.. Reviews last updated 16 April 2024.
8.1
Very Good
11,123 reviews

Food

7.5

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

8.1
Very Good
11,123 reviews
8.1
Very Good
11,123 reviews

Food

7.5

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.2
Good
1,357 reviews
8.1
Very Good
11,123 reviews

Food

7.5

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

6.9
Okay
6,927 reviews
8.1
Very Good
11,123 reviews

Food

7.5

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Washington, D.C.. 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 Washington, D.C. for under £800 on Cheapflights?

    Yes, there are multiple flights from Portsmouth to Washington, D.C. for under £800. The cheapest flight booked recently is on British Airways for just £789, but on average you can expect to pay £907.

  • What days are direct flights available from Portsmouth to Washington, D.C.?

    Direct flights are available for this route on the following days: Wednesday, Thursday.

  • How many flights depart from Portsmouth to Washington, D.C. on average per day?

    3 flight departures from Portsmouth to Washington, D.C. per day on average.
    Morning (6am - Midday) - 100% of flight departures

  • How long is the flight from Portsmouth to Washington, D.C.?

    British Airways provides one of the quickest options available for as little as £789. The distance from Portsmouth to Washington, D.C. is about 3687 mi

  • What are the cheapest airlines to fly from Portsmouth to Washington, D.C. one-way

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as little as £675. However, be on the lookout for offers from British Airways and Delta, as they are both options that can get you from Portsmouth to Washington, D.C. for a low price.

  • What are the most popular routes from Portsmouth to Washington, D.C.?

  • What are the most popular airlines that fly from Portsmouth to Washington, D.C.?

  • What are the most reliable airlines from Portsmouth to Washington, D.C.?

    Consider Air Canada (90%), Austrian Airlines (90%) or Copa Airlines (90%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Washington, D.C..

  • What are the cheapest flights from Portsmouth to Washington, D.C.?

    On average you can expect to pay £1,442 for a flight from Portsmouth to Washington, D.C.. The cheapest flight overall is £527 while the most popular route, (Southampton Eastleigh - Washington, D.C. Dulles Intl) is currently priced at £790.

  • What does LHR to IAD mean?

    LHR stands for London Heathrow Airport, while IAD stands for Washington, D.C. Dulles Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are some additional IATA codes for airports related to your trip.

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

    The amount of baggage you can bring 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, D.C. with specific airlines?

    Yes, Cheapflights allows you to browse and filter 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, D.C. that include hotel bookings?

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

  • How can I find direct flights from Portsmouth to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

  • Can I find deals for business class flights from Portsmouth to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Portsmouth to Washington, D.C. 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, D.C. that allow pets onboard?

    Many airlines do 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, D.C.?

    Yes, you can often find last-minute deals on Portsmouth to Washington, D.C. 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 Washington, D.C. flight deals updated?

    The Portsmouth to Washington, D.C. flight deals you see on this page were last updated on 16/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Portsmouth to Washington, D.C.

Discover the top 10 airlines that operate flights from Portsmouth to Washington, D.C.. 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 891,631 searches. Data last updated 16 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£238Average£587FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
PLAYCheapest£266Average£379FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£376Average£580FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£382Average£526FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£387Average£663FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapest£390Average£622FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
United AirlinesCheapest£393Average£625FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£393Average£649FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£406Average£664FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£412Average£607FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Search flights from Portsmouth to Washington, D.C. by cabin class

Find flights from Portsmouth to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Portsmouth to Washington, D.C.

Find hourly flight availability from Portsmouth to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 April 2024.
1%of flight departuresEarly morningMidnight to 6 am
39%of flight departuresMorning6 am to noon
60%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to Washington, D.C.?

Deals for Portsmouth to Washington, D.C. flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Washington, D.C.?

Cheapflights simply makes it quick and affordable to book flights from Portsmouth to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portsmouth to Washington, D.C. with no change fees?

Certainly. Search results for flights to Washington, D.C. from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Portsmouth to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Portsmouth today and book when prices fit your budget.

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