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 cheapest flights from Washington, D.C. to Portsmouth?

While on average a flight from Washington, D.C. to Portsmouth is generally $1,621, our data shows the cheapest flight currently is $393. When looking at the most popular route, (Washington, D.C. Dulles Intl - Southampton Eastleigh), you can expect to pay $786 for that flight.

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 Virgin Atlantic (86%), Singapore Airlines (86%) or Air France (84%) as they are the most reliable in getting you off to your destination on time.

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

Before booking your flight from Washington, D.C. to Portsmouth check out the most popular airlines for this route: American Airlines, Air Canada or Finnair.

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

To save up to 17% on this flight, we recommend booking at least 39 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. to Portsmouth from $779 1-2 weeks out and tickets from $789 for flights departing within the next 72 hours.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Portsmouth. Flights to Portsmouth from Washington, D.C. in January are about $745 on average during January, but can be found for as low as $372.

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.

$349+ Flights from Washington, D.C. to Portsmouth

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

Round-trip from	$800 (KLM)
One-way from	$349 (Kiwi.com)
Popular in	June
Cheapest in	March
Average price	$1,138

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

Search Deals

One-way flight from Washington, D.C. (WAS) to Portsmouth

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High demand for flights, 17% potential price rise

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Best time to find cheap flights, 3% potential price drop

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Average for round-trip flights in December 2024

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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 December 20, 2024.

Fri 12/205:10 pmIAD - SOU

1 stop10h 35mMultiple Airlines

Thu 6/268:00 pmSOU - IAD

2 stops28h 15mMultiple Airlines

Deal found 12/19

$2,035

Wed 12/259:55 pmIAD - SOU

2 stops16h 30mBritish Airways

Tue 6/109:40 amSOU - IAD

1 stop11h 10mBritish Airways

Deal found 12/19

$2,071

Fri 12/205:10 pmIAD - SOU

1 stop10h 35mAer Lingus

Thu 6/263:35 pmSOU - IAD

1 stop29h 15mAer Lingus

Deal found 12/19

$2,103

Best flights from Washington, D.C. to Portsmouth
Discover carefully curated flight deals from Washington, D.C. to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 20, 2024.

Mon 2/310:18 amBWI - SOU

2 stops17h 07mKLM

Mon 2/109:00 amSOU - BWI

2 stops19h 53mKLM

Deal found 12/20

$800

Mon 2/37:30 pmBWI - SOU

3 stops31h 10mMultiple Airlines

Mon 2/103:40 pmSOU - BWI

3 stops31h 50mMultiple Airlines

Deal found 12/20

$933

Sun 5/115:25 pmIAD - SOU

1 stop10h 20mDelta

Mon 5/269:20 amSOU - IAD

2 stops19h 08mDelta

Deal found 12/20

$960

Wed 1/89:55 pmIAD - SOU

2 stops13h 05mBritish Airways

Mon 1/139:25 amSOU - IAD

1 stop11h 15mBritish Airways

Deal found 12/20

$979

Sun 5/115:25 pmIAD - SOU

1 stop18h 35mKLM

Mon 5/265:35 pmSOU - IAD

1 stop27h 00mKLM

Deal found 12/20

$887

Wed 1/88:30 pmBWI - SOU

2 stops14h 30mBritish Airways

Mon 1/138:40 amSOU - BWI

2 stops15h 05mBritish Airways

Deal found 12/20

$1,016

Sun 5/111:30 pmDCA - SOU

2 stops14h 15mDelta

Mon 5/269:20 amSOU - DCA

2 stops19h 09mDelta

Deal found 12/19

$1,150

Last-minute flights from Washington, D.C. to Portsmouth
Discover last-minute flight deals from Washington, D.C. to Portsmouth. Data last updated December 20, 2024 and is based on user searches.

Fri 12/205:10 pmIAD - SOU

1 stop10h 35mAer Lingus

Thu 6/263:35 pmSOU - IAD

1 stop29h 15mAer Lingus

Deal found 12/19

$2,103

Wed 12/259:55 pmIAD - SOU

2 stops16h 30mBritish Airways

Tue 6/109:40 amSOU - IAD

1 stop11h 10mBritish Airways

Deal found 12/19

$2,071

Wed 1/88:30 pmBWI - SOU

2 stops14h 30mBritish Airways

Mon 1/138:40 amSOU - BWI

2 stops15h 05mBritish Airways

Deal found 12/20

$1,016

Tue 1/145:35 pmIAD - SOU

1 stop9h 50mKLM

Mon 1/209:00 amSOU - IAD

1 stop11h 45mKLM

Deal found 12/19

$786

Tue 1/147:40 pmIAD - SOU

3 stops18h 15mMultiple Airlines

Mon 1/209:25 amSOU - IAD

2 stops34h 05mMultiple Airlines

Deal found 12/19

$983

Thu 1/169:55 pmIAD - SOU

2 stops16h 30mBritish Airways

Thu 1/309:30 amSOU - IAD

1 stop11h 10mBritish Airways

Deal found 12/18

$979

One-way flights from Washington, D.C. to Portsmouth
Search for one-way flight options from Washington, D.C. to Portsmouth. Find affordable one-way fares based on user searches. Data last updated December 20, 2024.

Tue 1/147:40 pmIAD - SOU

3 stops38h 55mMultiple Airlines

Deal found 12/19

$349

Tue 1/145:35 pmIAD - SOU

1 stop18h 15mKLM

Deal found 12/19

$489

Thu 1/25:10 pmIAD - SOU

1 stop10h 35mBritish Airways

Deal found 12/18

$760

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 1/14

5:35 pm-8:25 am

1 stop9h 50m

Southampton Eastleigh

Mon 1/20

9:00 am-3:45 pm

1 stop11h 45m

$786

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 2/3

10:18 am-8:25 am

2 stops17h 07m

Southampton Eastleigh

Mon 2/10

9:00 am-11:53 pm

2 stops19h 53m

$800

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 2/3

7:30 pm-7:40 am

3 stops31h 10m

Southampton Eastleigh

Mon 2/10

3:40 pm-6:30 pm

3 stops31h 50m

$933

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sun 5/11

5:25 pm-8:45 am

1 stop10h 20m

Southampton Eastleigh

Mon 5/26

9:20 am-11:28 pm

2 stops19h 08m

$960

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 3/27

9:45 pm-3:35 pm

1 stop13h 50m

Southampton Eastleigh

Mon 4/7

9:40 am-7:10 pm

1 stop14h 30m

$965

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 1/14

7:40 pm-6:55 pm

3 stops18h 15m

Southampton Eastleigh

Mon 1/20

9:25 am-2:30 pm

2 stops34h 05m

$983

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 1/8

8:30 pm-4:00 pm

2 stops14h 30m

Southampton Eastleigh

Mon 1/13

8:40 am-6:45 pm

2 stops15h 05m

$1,016

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 2/6

5:10 pm-8:45 am

1 stop10h 35m

Southampton Eastleigh

Sat 2/15

9:30 am-3:40 pm

1 stop11h 10m

$1,054

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Sun 5/11

1:30 pm-8:45 am

2 stops14h 15m

Southampton Eastleigh

Mon 5/26

9:20 am-11:29 pm

2 stops19h 09m

$1,150

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 1/14

7:40 pm-3:35 pm

3 stops38h 55m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 12 results

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 $1,135). 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?

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?

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

The most flights from WAS to P0R are scheduled on a Thursday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (23 on average).

Rainfall in Portsmouth 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

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

See what other customers who have flown with KLM, Delta and British Airways 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

8,601 reviews

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

8,601 reviews

Delta

8.0

Very good

8,601 reviews

Reviews

1 / 10

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

KLM

7.8

Good

1,344 reviews

Delta

8.0

Very good

8,601 reviews

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

6,815 reviews

Delta

8.0

Very good

8,601 reviews

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

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 Virgin Atlantic (86%), Singapore Airlines (86%) or Air France (84%) 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 $1,621, our data shows the cheapest flight currently is $393. When looking at the most popular route, (Washington, D.C. Dulles Intl - Southampton Eastleigh), you can expect to pay $786 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 $1,135). 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

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Reagan-National to Newquay flights

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

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$281	Average$528	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$370	Average$603	FlexibilityNo cancel fee	On-time77%
TAP AIR PORTUGAL	Cheapest$398	Average$646	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$459	Average$702	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$476	Average$667	FlexibilityNo cancel fee	On-time76%
Iberia	Cheapest$542	Average$734	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$546	Average$771	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$548	Average$881	FlexibilityNo cancel fee	On-timeN/A
Finnair	Cheapest$551	Average$706	FlexibilityNo cancel fee	On-time76%
Lufthansa	Cheapest$557	Average$842	FlexibilityNo cancel fee	On-time76%

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$349+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest in

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

Cheapest flights from Washington, D.C. to PortsmouthExplore 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 December 20, 2024.

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 December 20, 2024.

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

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.

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?

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 December 20, 2024.

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.

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

Rainfall in Portsmouth by month

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

Temperature in Portsmouth by month

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

Reviews of airlines servicing Portsmouth

See what other customers who have flown with KLM, Delta and British Airways 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.

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?

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

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

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

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

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

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

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.

Alternative routes for Washington, D.C. to Portsmouth

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

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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 December 20, 2024.