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$664+ Cheap flights from Washington, D.C. (WAS) to Portsmouth, England

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LHR
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Portsmouth (P0R). 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 January 21, 2025.

Round-trip from

$727
(Mytrip)

One-way from

$689
(Gurufare)

Popular in

June

Cheapest in

November
From Washington, D.C. (WAS) to Portsmouth
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One-way flight from Washington, D.C. (WAS) to Portsmouth
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Highest demand for flights based on searches. 16% potential increase in price ($187 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Find flight deals from Washington, D.C. to Portsmouth

Cheapest flights from Washington, D.C. to Portsmouth
Explore the most affordable flight options available from Washington, D.C. to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/55:10 pmIAD - SOU
2 stops21h 30mMultiple Airlines
Wed 3/129:30 amSOU - IAD
2 stops35h 10mMultiple Airlines
Deal found 1/21$727
This KLM deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/55:35 pmIAD - SOU
1 stop18h 15mKLM
Wed 3/125:20 pmSOU - IAD
1 stop27h 25mKLM
Deal found 1/21$749
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/511:35 amDCA - SOU
2 stops15h 55mDelta
Wed 3/129:00 amSOU - DCA
2 stops18h 16mDelta
Deal found 1/21$766
This Virgin Atlantic deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:40 pmIAD - SOU
2 stops17h 20mVirgin Atlantic
Fri 9/129:20 amSOU - IAD
1 stop11h 15mVirgin Atlantic
Deal found 1/21$844
This Cheapflightsfares deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/266:00 pmIAD - SOU
2 stops20h 40mAer Lingus
Sun 3/98:10 pmSOU - IAD
2 stops28h 35mAer Lingus
Deal found 1/21$966
This KLM deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:26 pmBWI - SOU
2 stops15h 04mKLM
Wed 3/129:00 amSOU - BWI
2 stops16h 55mKLM
Deal found 1/21$974
This Mytrip deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:00 amBWI - SOU
3 stops21h 45mMultiple Airlines
Wed 3/129:30 amSOU - BWI
2 stops18h 28mMultiple Airlines
Deal found 1/21$1,022
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:00 pmBWI - SOU
2 stops14h 45mDelta
Fri 9/129:20 amSOU - BWI
2 stops17h 23mDelta
Deal found 1/21$1,048
This Ovago deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/88:30 pmBWI - SOU
2 stops18h 10mAer Lingus
Sat 3/159:30 amSOU - BWI
2 stops38h 15mAer Lingus
Deal found 1/21$1,263
This British Airways deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/210:40 pmIAD - SOU
2 stops15h 45mBritish Airways
Tue 4/89:10 amSOU - IAD
1 stop11h 40mBritish Airways
Deal found 1/21$2,101

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

Customize your flight search to find flights from Washington, D.C. to Portsmouth 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 3/5

5:10 pm-7:40 pm

2 stops21h 30m

Southampton Eastleigh

Wed 3/12

9:30 am-4:40 pm

2 stops35h 10m

$727

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 3/5

5:35 pm-4:50 pm

1 stop18h 15m

Southampton Eastleigh

Wed 3/12

5:20 pm-4:45 pm

1 stop27h 25m

$749

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 3/5

11:35 am-8:30 am

2 stops15h 55m

Southampton Eastleigh

Wed 3/12

9:00 am-11:16 pm

2 stops18h 16m

$766

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 2/26

6:00 pm-7:40 pm

2 stops20h 40m

Southampton Eastleigh

Sun 3/9

8:10 pm-8:45 pm

2 stops28h 35m

$966

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 3/5

12:26 pm-8:30 am

2 stops15h 04m

Southampton Eastleigh

Wed 3/12

9:00 am-9:55 pm

2 stops16h 55m

$974

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 3/5

6:00 am-8:45 am

3 stops21h 45m

Southampton Eastleigh

Wed 3/12

9:30 am-11:58 pm

2 stops18h 28m

$1,022

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 3/8

8:30 pm-7:40 pm

2 stops18h 10m

Southampton Eastleigh

Sat 3/15

9:30 am-7:45 pm

2 stops38h 15m

$1,263

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 4/2

10:40 pm-7:25 pm

2 stops15h 45m

Southampton Eastleigh

Tue 4/8

9:10 am-3:50 pm

1 stop11h 40m

$2,101

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 7/2

9:20 pm-7:30 pm

2 stops17h 10m

$664

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 7/2

9:00 pm-7:30 pm

1 stop17h 30m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 11 results
1
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Best time to book a flight from Washington, D.C. to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Washington, D.C. with our price prediction graph.
Estimated round-trip 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 Washington, D.C. to Portsmouth

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

What is the cheapest month to book a flight from Washington, D.C. to Portsmouth?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Portsmouth (average of $661). Flying from Washington, D.C. to Portsmouth in June is currently the most expensive (average of $1,137). 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 WAS to P0R?

Find hourly flight availability from Washington, D.C. 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 January 21, 2025.

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

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

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

Travelers seeking maximum savings on their Washington, D.C. to Portsmouth flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Washington, D.C. to Portsmouth. 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 January 21, 2025.

The most flights from WAS to P0R are scheduled on a Tuesday (26 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Portsmouth by month

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

In terms of precipitation, rainfall in Portsmouth ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Portsmouth when rainfall is around 1.0 in.

Temperature in Portsmouth by month

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

If weather is an important factor for your trip to Portsmouth, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated January 21, 2025.
See what other customers who have flown with KLM, British Airways and Delta from Washington, D.C. to Portsmouth have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus
7.1
Good
1,082 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 popular routes from Washington, D.C. to Portsmouth?

    The most popular flight routes from Washington, D.C. to Portsmouth are Washington, D.C. Dulles Intl - Southampton Eastleigh, Baltimore/Washington - Southampton Eastleigh and Washington, D.C. Reagan-National - Southampton Eastleigh.

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

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Portsmouth consider choosing American Airlines (44%), Aer Lingus (44%) or Finnair (44%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Washington, D.C. to Portsmouth is generally $1,407, our data shows the cheapest flight currently is $387. When looking at the most popular route, (Washington, D.C. Dulles Intl - Southampton Eastleigh), you can expect to pay $634 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Portsmouth?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Portsmouth (average of $661). Flying from Washington, D.C. to Portsmouth in June is currently the most expensive (average of $1,137). 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 Washington, D.C. to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Dulles Intl to London City flights
Reagan-National to Gatwick flights
Dulles Intl to Edinburgh flights
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Dulles Intl to Luton flights
Reagan-National to Edinburgh flights
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Dulles Intl to Manchester flights
Reagan-National to Manchester flights
Dulles Intl to Southampton flights
Dulles Intl to Birmingham flights
Reagan-National to Birmingham flights
Dulles Intl to Newcastle upon Tyne flights
Reagan-National to Newcastle upon Tyne flights
Reagan-National to Stansted flights
Dulles Intl to Liverpool flights
Dulles Intl to Leeds flights
Reagan-National to Leeds flights
Dulles Intl to Bristol flights
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Reagan-National to Bristol flights
Reagan-National to Liverpool flights
Reagan-National to Southampton flights
Dulles Intl to Newquay flights
Dulles Intl to Bournemouth flights
Dulles Intl to Southend flights
Reagan-National to Newquay flights
Dulles Intl to Exeter flights
Dulles Intl to East Midlands flights
Dulles Intl to Doncaster flights
Reagan-National to East Midlands flights

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

Discover the top 10 airlines that operate flights from Washington, D.C. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$281Average$507FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$370Average$597FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$398Average$649FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$459Average$717FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$475Average$661FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$537Average$778FlexibilityNo cancel feeOn-time67%
IberiaCheapest$542Average$814FlexibilityNo cancel feeOn-time77%
KLMCheapest$546Average$771FlexibilityNo cancel feeOn-time75%
DeltaCheapest$548Average$927FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$551Average$726FlexibilityNo cancel feeOn-time76%
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