Cheap flights from Dulles Intl (IAD) to Portsmouth, England from $418

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 8/1. 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
May 7 — May 141

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 May 2, 2024.

Round-trip from

$643

One-way from

$588
From Washington, D.C. Dulles Intl to Portsmouth
One-way flight from Washington, D.C. Dulles Intl to Portsmouth

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 60 days early can save you up to 21% on average compared to booking a flight this week. If booking 60 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 $734 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 $863 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 February. Prices to Portsmouth from Washington, D.C. Dulles Intl Airport average $691. You can even find prices in February for less than $691, as users have found deals to Portsmouth from as low as $370. 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 32%.

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 2,864,334 searches. Data last updated May 2, 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.
Thu 10/105:25 pmIAD - SOU
1 stop20h 45mKLM
Sun 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 5/2$842
Thu 10/1012:30 pmIAD - SOU
2 stops13h 55mKLM
Sun 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 5/2$847
Sat 6/15:50 pmIAD - SOU
1 stop18h 00mKLM
Sat 6/87:55 amSOU - IAD
1 stop13h 05mKLM
Deal found 5/2$1,142
Fri 5/1012:35 pmIAD - SOU
2 stops13h 50mKLM
Fri 5/177:55 amSOU - IAD
1 stop12h 40mKLM
Deal found 4/30$1,338
Fri 6/215:25 pmIAD - SOU
1 stop18h 25mKLM
Sun 6/309:05 amSOU - IAD
1 stop11h 30mKLM
Deal found 5/1$1,431
Fri 6/215:25 pmIAD - SOU
1 stop18h 25mKLM
Sun 6/309:05 amSOU - IAD
2 stops13h 22mKLM
Deal found 5/1$1,441
Fri 5/105:25 pmIAD - SOU
1 stop18h 25mKLM
Fri 5/177:55 amSOU - IAD
1 stop12h 40mKLM
Deal found 4/30$1,584

Cheap British Airways flights from Dulles Intl to Portsmouth

Explore cheap flight options specifically provided by British Airways 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 2,864,334 searches. Data last updated May 2, 2024.
To aid your search, here are some of the cheapest British Airways 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.
Wed 9/45:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Tue 9/179:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 5/1$940
Thu 10/1010:45 pmIAD - SOU
2 stops15h 45mBritish Airways
Sun 10/209:40 amSOU - IAD
2 stops15h 55mBritish Airways
Deal found 5/2$952
Thu 9/510:45 pmIAD - SOU
2 stops15h 40mBritish Airways
Wed 9/189:40 amSOU - IAD
1 stop14h 30mBritish Airways
Deal found 5/1$955
Wed 9/45:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Tue 9/178:40 amSOU - IAD
2 stops16h 50mBritish Airways
Deal found 5/1$971
Thu 9/510:45 pmIAD - SOU
2 stops15h 40mBritish Airways
Wed 9/188:40 amSOU - IAD
2 stops16h 50mBritish Airways
Deal found 5/1$986
Sun 5/1910:50 pmIAD - SOU
2 stops15h 35mBritish Airways
Wed 5/298:30 amSOU - IAD
2 stops17h 00mBritish Airways
Deal found 5/2$1,000
Thu 10/1010:45 pmIAD - SOU
2 stops15h 45mBritish Airways
Sun 10/207:40 pmSOU - IAD
2 stops53h 50mBritish Airways
Deal found 5/1$1,025
Wed 9/42:05 pmIAD - SOU
2 stops14h 05mBritish Airways
Tue 9/178:40 amSOU - IAD
2 stops16h 50mBritish Airways
Deal found 5/1$1,174
Thu 9/55:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Tue 9/179:40 amSOU - IAD
1 stop14h 30mBritish Airways
Deal found 5/1$1,190

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 2,864,334 searches. Prices were last updated on May 2, 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.
Sun 5/1910:50 pmIAD - SOU
2 stops15h 35mBritish Airways
Wed 5/298:30 amSOU - IAD
2 stops17h 00mBritish Airways
Deal found 5/2$1,000
Sat 6/15:50 pmIAD - SOU
1 stop18h 00mKLM
Sat 6/87:55 amSOU - IAD
1 stop13h 05mKLM
Deal found 5/2$1,142
Sat 6/112:35 pmIAD - SOU
2 stops15h 20mDelta
Sat 6/87:55 amSOU - IAD
1 stop13h 05mDelta
Deal found 5/2$1,149
Sat 6/112:35 pmIAD - SOU
2 stops15h 20mDelta
Sat 6/87:55 amSOU - IAD
2 stops20h 03mDelta
Deal found 5/2$1,160
Fri 5/310:45 pmIAD - SOU
2 stops29h 40mBritish Airways
Mon 5/67:55 pmSOU - IAD
2 stops24h 40mBritish Airways
Deal found 5/1$1,249
Tue 5/2810:45 pmIAD - SOU
2 stops15h 40mBritish Airways
Wed 6/59:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 5/1$1,269
Sun 6/210:50 pmIAD - SOU
2 stops15h 35mBritish Airways
Mon 6/107:55 pmSOU - IAD
2 stops24h 45mBritish Airways
Deal found 5/1$1,271
Sun 5/1910:50 pmIAD - SOU
2 stops15h 35mBritish Airways
Thu 5/308:40 amSOU - IAD
2 stops16h 50mBritish Airways
Deal found 5/2$1,287
Fri 5/1010:45 pmIAD - SOU
2 stops29h 25mBritish Airways
Fri 5/178:30 amSOU - IAD
2 stops17h 00mBritish Airways
Deal found 4/30$1,311

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 2,864,334 searches. Data last updated May 2, 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.
Thu 10/105:25 pmIAD - SOU
1 stop20h 45mKLM
Sun 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 5/2$842
Thu 10/1012:30 pmIAD - SOU
2 stops13h 55mKLM
Sun 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 5/2$847
Sun 10/202:05 pmIAD - SOU
2 stops14h 05mBritish Airways
Mon 11/49:15 amSOU - IAD
1 stop11h 15mBritish Airways
Deal found 5/2$927
Wed 9/45:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Wed 9/189:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 5/1$940
Thu 10/1010:45 pmIAD - SOU
2 stops15h 45mBritish Airways
Sun 10/209:40 amSOU - IAD
2 stops15h 55mBritish Airways
Deal found 5/2$952
Thu 9/510:45 pmIAD - SOU
2 stops15h 40mBritish Airways
Wed 9/189:40 amSOU - IAD
1 stop14h 30mBritish Airways
Deal found 5/1$955
Sun 10/202:05 pmIAD - SOU
2 stops14h 05mBritish Airways
Mon 11/48:40 amSOU - IAD
2 stops16h 20mBritish Airways
Deal found 5/2$959
Wed 9/45:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Wed 9/188:40 amSOU - IAD
2 stops16h 50mBritish Airways
Deal found 5/1$971
Sun 10/205:10 pmIAD - SOU
1 stop11h 00mAer Lingus
Mon 11/49:15 amSOU - IAD
1 stop11h 15mAer Lingus
Deal found 5/2$984

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 2,864,334 searches. Data last updated May 2, 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.
Fri 5/310:45 pmIAD - SOU
2 stops29h 40mBritish Airways
Mon 5/67:55 pmSOU - IAD
2 stops24h 40mBritish Airways
Deal found 5/1$1,249
Fri 5/1010:45 pmIAD - SOU
2 stops29h 25mBritish Airways
Fri 5/178:30 amSOU - IAD
2 stops17h 00mBritish Airways
Deal found 4/30$1,311
Sun 5/510:50 pmIAD - SOU
2 stops28h 10mBritish Airways
Sun 5/127:40 pmSOU - IAD
2 stops29h 50mBritish Airways
Deal found 5/2$1,322
Fri 5/1012:35 pmIAD - SOU
2 stops13h 50mKLM
Fri 5/177:55 amSOU - IAD
1 stop12h 40mKLM
Deal found 4/30$1,338
Fri 5/108:45 pmIAD - SOU
3 stops31h 25mMultiple Airlines
Fri 5/178:00 pmSOU - IAD
2 stops27h 50mMultiple Airlines
Deal found 4/30$1,528
Fri 5/105:25 pmIAD - SOU
1 stop18h 25mKLM
Fri 5/177:55 amSOU - IAD
1 stop12h 40mKLM
Deal found 4/30$1,584
Fri 5/106:50 pmIAD - SOU
3 stops33h 20mMultiple Airlines
Fri 5/178:00 pmSOU - IAD
3 stops26h 40mMultiple Airlines
Deal found 4/30$1,609
Wed 5/155:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Wed 5/228:30 amSOU - IAD
2 stops17h 00mBritish Airways
Deal found 5/1$2,631
Wed 5/155:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Wed 5/229:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 5/1$3,004

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 2,864,334 searches. Data last updated May 2, 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.
Thu 8/111:15 pmIAD - SOU
2 stops30h 35mMultiple Airlines
Deal found 5/2$418
Sun 5/195:25 pmIAD - SOU
1 stop20h 45mDelta
Deal found 5/2$538
Tue 7/165:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Deal found 5/1$540
Thu 8/15:10 pmIAD - SOU
1 stop11h 00mAer Lingus
Deal found 5/2$543
Tue 5/710:45 pmIAD - SOU
2 stops15h 40mBritish Airways
Deal found 5/2$557
Sat 5/185:50 pmIAD - SOU
1 stop10h 05mDelta
Deal found 5/1$588
Tue 7/1610:45 pmIAD - SOU
2 stops15h 40mBritish Airways
Deal found 5/1$598
Wed 5/85:55 pmIAD - SOU
2 stops16h 30mBritish Airways
Deal found 5/1$652
Tue 5/145:55 pmIAD - SOU
2 stops17h 05mBritish Airways
Deal found 5/1$657

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 2,864,334 searches. Data last updated May 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$842 - $2,307

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 10/10

1 stop20h 45m

Southampton Eastleigh

Sun 10/20

1 stop11h 10m

$842

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 10/10

2 stops13h 55m

Southampton Eastleigh

Sun 10/20

1 stop11h 10m

$847

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 9/4

1 stop11h 00m

Southampton Eastleigh

Tue 9/17

1 stop11h 00m

$940

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 10/10

2 stops15h 45m

Southampton Eastleigh

Sun 10/20

2 stops15h 55m

$952

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 9/5

2 stops15h 40m

Southampton Eastleigh

Wed 9/18

1 stop14h 30m

$955

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sat 6/1

2 stops15h 20m

Southampton Eastleigh

Sat 6/8

1 stop13h 05m

$1,149

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Sat 6/1

2 stops15h 20m

Southampton Eastleigh

Sat 6/8

2 stops20h 03m

$1,160

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 6/10

1 stop11h 00m

Southampton Eastleigh

Fri 6/14

1 stop11h 00m

$2,004

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Fri 6/21

3 stops30h 50m

Southampton Eastleigh

Sun 6/30

3 stops28h 20m

$2,307

Flights are sorted by cheapest first

Deals found on 5/2

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 April 28, 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.
Search Deals

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 $566 while a round-trip flight costs $1,240. Price data was last updated on April 28, 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 $1,165). 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

$674

February

$663

March

$715

April

$692

May

$738

June

$1,165

July

$984

August

$777

September

$746

October

$711

November

$653

December

$672

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 May 2, 2024.
See what other customers who have flown with KLM, British Airways 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.
8.1
Very good
10,861 reviews

Overall

8.1

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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.

8.1
Very good
10,861 reviews
8.1
Very good
10,861 reviews

Overall

8.1

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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.

7.9
Good
1,608 reviews
8.1
Very good
10,861 reviews

Overall

8.1

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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.

7.2
Good
1,341 reviews
8.1
Very good
10,861 reviews

Overall

8.1

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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.

6.8
Okay
6,873 reviews
8.1
Very good
10,861 reviews

Overall

8.1

Comfort

7.9

Boarding

8.2

Food

7.4

Entertainment

8.0

Crew

8.6

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 $900 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Portsmouth for under $900. The cheapest flight booked recently is on KLM for just $842, but on average you can expect to pay $1,094.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Portsmouth for under $1,300?

    There are currently 14+ open flights from Washington, D.C. Dulles Intl Airport to Portsmouth within the next 7 days for less than $1,300.

  • What days are nonstop flights available from Washington, D.C. Dulles Intl Airport to Portsmouth?

    Days when nonstop flights are available for this flight are: Tuesday, Friday, Saturday.

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

    4 flight departures from Washington, D.C. Dulles Intl Airport to Portsmouth per day on average.
    Afternoon (Noon - 6pm) - 100% of flight departures

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Portsmouth can take about 11h. KLM provides one of the quickest options available for as low as $842. There are 3687 mi between Washington, D.C. Dulles Intl Airport and Portsmouth. This flight may include one or multiple stops.

  • 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 Delta, which is currently one of the cheapest options available, starting at $538. British Airways flights start at $540 while deals on Aer Lingus start at $543 one-way.

  • What are the most popular airlines that fly 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 $1,734, 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 $743 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 5/2.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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.

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 2,864,334 searches. Data last updated May 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$216Average$686FlexibilityNo cancel feeOn-timeN/A
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PLAYCheapest$368Average$516FlexibilityNo cancel feeOn-timeN/A
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LufthansaCheapest$392Average$813FlexibilityNo cancel feeOn-time76%
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Air CanadaCheapest$392Average$705FlexibilityNo cancel feeOn-time67%
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Scandinavian AirlinesCheapest$426Average$446FlexibilityNo cancel feeOn-time77%
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DeltaCheapest$464Average$834FlexibilityNo cancel feeOn-timeN/A
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TAP AIR PORTUGALCheapest$474Average$595FlexibilityNo cancel feeOn-timeN/A
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Aer LingusCheapest$480Average$742FlexibilityNo cancel feeOn-timeN/A
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IcelandairCheapest$489Average$676FlexibilityNo cancel feeOn-time76%
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Virgin AtlanticCheapest$518Average$787FlexibilityNo cancel feeOn-time72%
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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.

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 May 2, 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
41%of flight departuresAfternoonNoon to 6 pm
58%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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