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Cheap flights from Dulles Intl (IAD) to Portsmouth, England from $527

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 7/14. 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.
IAD — LHR
mai 14 — mai 211
From?
To?
mar. 5/14
mar. 5/21
1 adult, Economy
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Cheap flight deals from Dulles Intl to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 mai 9, 2024.

Round-trip from

$643
From Washington, D.C. Dulles Intl to Portsmouth
Search Deals

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

Users have found that booking a flight from Washington, D.C. Dulles Intl Airport to Portsmouth at least 24 days early can save you up to 19% on average compared to booking a flight this week. If booking 24 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Dulles Intl Airport to Portsmouth for as little as $735 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $790 for flights departing within the next 3 days.

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

The best pricing can be found in the month of October. Prices to Portsmouth from Washington, D.C. Dulles Intl Airport average $718. You can even find prices in October for less than $718, as users have found deals to Portsmouth from as low as $351. The month of June appears to be one of the more expensive times to travel to Portsmouth from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 41%.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Portsmouth (IAD - P0R)?

When flying from Washington, D.C. Dulles Intl Airport to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap KLM flights from Dulles Intl to Portsmouth

Explore cheap flight options specifically provided by KLM for the route between Dulles Intl and Portsmouth. 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 2,752,338 searches. Data last updated mai 9, 2024.
Peruse some of the lowest-priced KLM flights we've found from Washington, D.C. to Portsmouth. It's recommended that users confirm their flight details before booking.
jeu. 10/105:25 pmIAD - SOU
1 stop20h 45mKLM
dim. 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 5/7$766
jeu. 10/105:25 pmIAD - SOU
1 stop20h 45mKLM
dim. 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 5/8$786
jeu. 10/1012:30 pmIAD - SOU
2 stops13h 55mKLM
dim. 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 5/8$790
mar. 9/175:50 pmIAD - SOU
1 stop18h 00mKLM
lun. 9/237:55 amSOU - IAD
1 stop12h 40mKLM
Deal found 5/8$801
mer. 10/95:50 pmIAD - SOU
1 stop20h 20mKLM
dim. 10/137:40 pmSOU - IAD
1 stop24h 55mKLM
Deal found 5/6$814
mar. 9/1712:30 pmIAD - SOU
2 stops13h 55mKLM
lun. 9/237:55 amSOU - IAD
1 stop12h 40mKLM
Deal found 5/8$864
mar. 9/1712:30 pmIAD - SOU
2 stops13h 55mKLM
lun. 9/237:55 amSOU - IAD
1 stop12h 40mKLM
Deal found 5/7$902

Cheap Virgin Atlantic flights from Dulles Intl to Portsmouth

Explore cheap flight options specifically provided by Virgin Atlantic for the route between Dulles Intl and Portsmouth. 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 2,752,338 searches. Data last updated mai 9, 2024.
To aid your search, here are some of the cheapest Virgin Atlantic flights we've found from Washington, D.C. to Portsmouth. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
mer. 10/912:00 pmIAD - SOU
2 stops26h 10mVirgin Atlantic
dim. 10/139:25 amSOU - IAD
1 stop11h 10mVirgin Atlantic
Deal found 5/6$772
mer. 10/912:00 pmIAD - SOU
2 stops26h 10mVirgin Atlantic
dim. 10/137:40 pmSOU - IAD
2 stops31h 04mVirgin Atlantic
Deal found 5/6$783
mer. 10/94:55 pmIAD - SOU
2 stops21h 15mVirgin Atlantic
dim. 10/135:20 pmSOU - IAD
1 stop27h 15mVirgin Atlantic
Deal found 5/7$793
mer. 10/96:00 amIAD - SOU
2 stops20h 25mVirgin Atlantic
dim. 10/137:40 pmSOU - IAD
2 stops31h 04mVirgin Atlantic
Deal found 5/7$803

Cheap Dulles Intl to Portsmouth flights in May & June 2024

Find cheap flight options from Dulles Intl to Portsmouth specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on mai 9, 2024.
These are some of the best deals we've found on flights to Portsmouth in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
lun. 5/2710:45 pmIAD - SOU
2 stops15h 40mBritish Airways
lun. 6/37:55 pmSOU - IAD
2 stops24h 45mBritish Airways
Deal found 5/8$1,371
sam. 5/255:55 pmIAD - SOU
2 stops13h 05mBritish Airways
sam. 6/19:55 amSOU - IAD
2 stops15h 35mBritish Airways
Deal found 5/8$1,421
ven. 5/1010:45 pmIAD - SOU
2 stops32h 15mBritish Airways
dim. 5/127:25 pmSOU - IAD
2 stops30h 05mBritish Airways
Deal found 5/7$1,441
mer. 5/2910:45 pmIAD - SOU
2 stops15h 40mBritish Airways
ven. 10/119:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 5/8$1,514
ven. 5/245:55 pmIAD - SOU
2 stops14h 25mBritish Airways
sam. 6/19:55 amSOU - IAD
2 stops15h 35mBritish Airways
Deal found 5/8$1,526
ven. 5/245:55 pmIAD - SOU
2 stops14h 25mBritish Airways
mer. 5/298:30 amSOU - IAD
2 stops17h 00mBritish Airways
Deal found 5/8$1,556
lun. 6/101:13 pmIAD - SOU
2 stops14h 57mBritish Airways
jeu. 7/188:40 amSOU - IAD
2 stops16h 50mBritish Airways
Deal found 5/6$1,628
mar. 5/2110:45 pmIAD - SOU
2 stops15h 40mBritish Airways
sam. 6/19:55 amSOU - IAD
2 stops15h 35mBritish Airways
Deal found 5/8$1,686
sam. 6/151:13 pmIAD - SOU
2 stops14h 57mBritish Airways
mer. 7/178:30 amSOU - IAD
2 stops17h 00mBritish Airways
Deal found 5/6$1,728

Dulles Intl to Portsmouth 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Portsmouth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated mai 9, 2024.
These are some of the best deals we've found on flights to Portsmouth in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
jeu. 10/105:25 pmIAD - SOU
1 stop20h 45mKLM
dim. 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 5/7$766
mer. 10/912:00 pmIAD - SOU
2 stops26h 10mVirgin Atlantic
dim. 10/139:25 amSOU - IAD
1 stop11h 10mVirgin Atlantic
Deal found 5/6$772
mer. 10/912:00 pmIAD - SOU
2 stops26h 10mVirgin Atlantic
dim. 10/137:40 pmSOU - IAD
2 stops31h 04mVirgin Atlantic
Deal found 5/6$783
jeu. 10/105:25 pmIAD - SOU
1 stop20h 45mKLM
dim. 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 5/8$786
mer. 10/95:50 pmIAD - SOU
1 stop20h 20mDelta
dim. 10/137:40 pmSOU - IAD
1 stop24h 55mDelta
Deal found 5/7$789
jeu. 10/1012:30 pmIAD - SOU
2 stops13h 55mKLM
dim. 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 5/8$790
jeu. 10/106:00 pmIAD - SOU
2 stops20h 10mDelta
dim. 10/209:25 amSOU - IAD
1 stop11h 10mDelta
Deal found 5/7$792
mer. 10/94:55 pmIAD - SOU
2 stops21h 15mVirgin Atlantic
dim. 10/135:20 pmSOU - IAD
1 stop27h 15mVirgin Atlantic
Deal found 5/7$793
mar. 9/175:50 pmIAD - SOU
1 stop20h 20mKLM
lun. 9/237:55 amSOU - IAD
1 stop12h 40mKLM
Deal found 5/7$801

Dulles Intl to Portsmouth flights leaving soon

Find last-minute flight options from Dulles Intl to Portsmouth for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated mai 9, 2024.
Users seeking a last-minute flight from Washington, D.C. to Portsmouth should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
sam. 5/1810:45 pmIAD - SOU
2 stops15h 40mBritish Airways
sam. 5/259:55 amSOU - IAD
2 stops15h 35mBritish Airways
Deal found 5/7$4,668

One-way flights to Portsmouth from Dulles Intl

Search for one-way flight options from Dulles Intl to Portsmouth. 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 2,752,338 searches. Data last updated mai 9, 2024.
Users traveling one-way from Washington, D.C. to Portsmouth can select one of these great deals. For those needing a return trip from Washington, D.C., there is a search form available above.
dim. 7/141:22 pmIAD - SOU
2 stops14h 48mBritish Airways
Deal found 5/8$527
dim. 7/145:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Deal found 5/8$643
sam. 6/15:50 pmIAD - SOU
1 stop10h 05mDelta
Deal found 5/8$1,079
mar. 6/45:55 pmIAD - SOU
2 stops12h 50mBritish Airways
Deal found 5/6$1,107
mar. 6/48:40 pmIAD - SOU
1 stop17h 50mAer Lingus
Deal found 5/6$1,141
mer. 6/191:13 pmIAD - SOU
2 stops14h 57mBritish Airways
Deal found 5/7$1,196
dim. 6/210:50 pmIAD - SOU
2 stops15h 35mBritish Airways
Deal found 5/8$1,207
jeu. 6/1310:45 pmIAD - SOU
2 stops15h 10mBritish Airways
Deal found 5/7$1,273
lun. 6/35:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Deal found 5/8$1,293

Find flights from Dulles Intl to Portsmouth within your budget

Customize your flight search to find flights from Dulles Intl 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 2,752,338 searches. Data last updated mai 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$766 - $1,207

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

jeu. 10/10

1 stop20h 45m

Southampton Eastleigh

dim. 10/20

1 stop11h 10m

$766

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

mer. 10/9

2 stops26h 10m

Southampton Eastleigh

dim. 10/13

1 stop11h 10m

$772

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

mer. 10/9

2 stops26h 10m

Southampton Eastleigh

dim. 10/13

2 stops31h 04m

$783

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

jeu. 10/10

1 stop20h 45m

Southampton Eastleigh

dim. 10/20

1 stop11h 10m

$786

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

mer. 10/9

1 stop20h 20m

Southampton Eastleigh

dim. 10/13

1 stop24h 55m

$789

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

jeu. 10/10

2 stops20h 10m

Southampton Eastleigh

dim. 10/20

1 stop11h 10m

$792

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

jeu. 10/10

2 stops15h 45m

Southampton Eastleigh

dim. 10/20

2 stops15h 55m

$913

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

mar. 9/17

2 stops19h 35m

Southampton Eastleigh

lun. 9/23

3 stops27h 00m

$1,030

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

ven. 8/16

1 stop31h 30m

Southampton Eastleigh

mar. 8/20

1 stop14h 30m

$1,207

Flights are sorted by cheapest first

Deals found on 5/7

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Portsmouth. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Portsmouth flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Portsmouth by month

Plan your trip from Dulles Intl to Portsmouth by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Portsmouth is currently $1,052 while a round-trip flight costs $871. Price data was last updated on May 5, 2024.

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Portsmouth (average of $653). Flying from Washington, D.C. Dulles Intl Airport to Portsmouth in June is currently the most expensive (average of $1,158). 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

$673

February

$663

March

$715

April

$692

May

$735

June

$1,158

July

$980

August

$776

September

$743

October

$710

November

$653

December

$671

Temperature and rainfall in Portsmouth by month

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

LON

Temperature

39.2 - 62.6 °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 mai 9, 2024.
See what other customers who have flown with KLM, Virgin Atlantic and Delta from Washington, D.C. to Portsmouth have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,789 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,789 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,592 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Virgin Atlantic
7.7
Good
739 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Aer Lingus
7.2
Good
1,338 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

British Airways
6.8
Okay
6,868 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.4

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

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

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Portsmouth for under $800. The cheapest flight booked recently is on KLM for just $766, but on average you can expect to pay $839.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Portsmouth for under $4,700?

    There are currently 1+ open flights from Washington, D.C. Dulles Intl Airport to Portsmouth within the next 7 days for less than $4,700.

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

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $527. Delta flights start at $1,079 while deals on Aer Lingus start at $1,141 one-way.

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

    Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Portsmouth.

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

    Consider American Airlines (80%), Aer Lingus (80%) or Finnair (80%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Portsmouth.

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

    While on average a flight from Washington, D.C. Dulles Intl Airport to Portsmouth is generally $3,013, our data shows the cheapest flight currently is $443. When looking at the most popular route, (Washington, D.C. Dulles Intl - Southampton Eastleigh), you can expect to pay $786 for that flight.

  • What does IAD to LHR mean?

    IAD stands for Washington, D.C. Dulles Intl Airport, while LHR stands for London Heathrow 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. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), Southampton Eastleigh Airport (SOU) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your Dulles Intl to Portsmouth 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 Dulles Intl to Portsmouth with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Portsmouth 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 Dulles Intl to Portsmouth that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Portsmouth?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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.

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

    Many airlines flying from Dulles Intl to Portsmouth 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 Dulles Intl to Portsmouth?

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

    The Washington, D.C. Dulles Intl Airport to Portsmouth flight deals you see on this page were last updated on 5/8.

See more FAQs

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Alternative routes for Dulles Intl to Portsmouth
See prices for flight routes from nearby airports that may be better suited for you.

Dulles Intl to Heathrow flights
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Dulles Intl to Exeter flights
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Baltimore to Exeter flights
Baltimore to Newquay flights
Reagan-National to Newquay flights
Reagan-National to Stansted flights
Dulles Intl to Southend flights
Baltimore to East Midlands flights
Baltimore to Doncaster flights
Dulles Intl to Doncaster flights
Dulles Intl to East Midlands flights
Dulles Intl to Bournemouth flights

Top 10 airlines flying from Dulles Intl to Portsmouth

Discover the top 10 airlines that operate flights from Dulles Intl 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 2,752,338 searches. Data last updated mai 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$197Average$680FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
PLAYCheapest$369Average$513FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
LufthansaCheapest$392Average$805FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest$392Average$705FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Scandinavian AirlinesCheapest$426Average$446FlexibilityNo cancel feeOn-time77%
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Search flights from Dulles Intl to Portsmouth by cabin class

Find flights from Dulles Intl to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Dulles Intl to Portsmouth

Find hourly flight availability from Dulles Intl 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 mai 9, 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
48%of flight departuresAfternoonNoon to 6 pm
51%of flight departuresEvening6 pm to midnight
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