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Cheap flights from Dulles Intl (IAD) to Portsmouth, England from $514

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 5/18. 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 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
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 April 27, 2024.

Round-trip from

$644

One-way from

$514
From Washington, D.C. Dulles Intl to Portsmouth
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One-way flight 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 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 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 2,991,349 searches. Data last updated April 27, 2024.
Peruse some of the lowest-priced British Airways flights we've found from Washington, D.C. to Portsmouth. It's recommended that users confirm their flight details before booking.
Wed 9/45:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Wed 9/189:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 4/25$946
Wed 9/42:05 pmIAD - SOU
2 stops14h 05mBritish Airways
Wed 9/189:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 4/25$949
Wed 9/115:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Wed 9/189:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 4/26$975
Wed 9/42:05 pmIAD - SOU
2 stops14h 05mBritish Airways
Wed 9/188:40 amSOU - IAD
2 stops16h 50mBritish Airways
Deal found 4/25$980
Mon 10/72:05 pmIAD - SOU
2 stops14h 05mBritish Airways
Mon 10/149:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 4/26$1,002
Mon 10/72:05 pmIAD - SOU
2 stops14h 05mBritish Airways
Mon 10/148:40 amSOU - IAD
2 stops16h 50mBritish Airways
Deal found 4/26$1,008
Thu 10/1010:45 pmIAD - SOU
2 stops15h 45mBritish Airways
Sun 10/207:40 pmSOU - IAD
2 stops53h 50mBritish Airways
Deal found 4/26$1,024
Sun 8/252:05 pmIAD - SOU
2 stops14h 05mBritish Airways
Sat 9/79:55 amSOU - IAD
2 stops15h 35mBritish Airways
Deal found 4/25$1,030
Sun 8/255:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Sat 9/79:40 amSOU - IAD
1 stop14h 30mBritish Airways
Deal found 4/25$1,034

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 2,991,349 searches. Data last updated April 27, 2024.
To aid your search, here are some of the cheapest KLM 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.
Thu 10/105:25 pmIAD - SOU
1 stop20h 45mKLM
Sun 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 4/26$842
Thu 10/105:25 pmIAD - SOU
1 stop18h 25mKLM
Sun 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 4/27$843
Thu 10/101:15 pmIAD - SOU
2 stops13h 10mKLM
Sun 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 4/26$947
Sat 6/15:50 pmIAD - SOU
1 stop20h 20mKLM
Fri 6/147:55 amSOU - IAD
1 stop12h 40mKLM
Deal found 4/27$1,114
Sat 6/15:50 pmIAD - SOU
1 stop18h 00mKLM
Fri 6/147:55 amSOU - IAD
2 stops20h 43mKLM
Deal found 4/27$1,124
Sat 6/112:35 pmIAD - SOU
2 stops15h 20mKLM
Fri 6/147:55 amSOU - IAD
2 stops20h 43mKLM
Deal found 4/27$1,157

Cheap Dulles Intl to Portsmouth flights in April & May 2024

Find cheap flight options from Dulles Intl to Portsmouth specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 27, 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.
Wed 5/15:50 pmIAD - SOU
1 stop18h 00mVirgin Atlantic
Sun 5/59:25 amSOU - IAD
1 stop11h 10mVirgin Atlantic
Deal found 4/26$755
Wed 5/15:48 pmIAD - SOU
2 stops20h 22mVirgin Atlantic
Sun 5/57:40 pmSOU - IAD
1 stop24h 55mVirgin Atlantic
Deal found 4/26$760
Wed 5/19:40 amIAD - SOU
2 stops16h 45mDelta
Sun 5/57:40 pmSOU - IAD
2 stops32h 10mDelta
Deal found 4/26$770
Wed 5/15:50 pmIAD - SOU
1 stop18h 00mVirgin Atlantic
Sun 5/59:25 amSOU - IAD
1 stop11h 10mVirgin Atlantic
Deal found 4/25$1,064
Wed 5/112:21 pmIAD - SOU
2 stops23h 29mVirgin Atlantic
Sun 5/57:40 pmSOU - IAD
1 stop24h 55mVirgin Atlantic
Deal found 4/25$1,068
Wed 5/112:21 pmIAD - SOU
2 stops23h 29mVirgin Atlantic
Sun 5/59:25 amSOU - IAD
2 stops28h 52mVirgin Atlantic
Deal found 4/25$1,078
Sun 4/286:00 pmIAD - SOU
2 stops19h 55mMultiple Airlines
Wed 5/18:00 pmSOU - IAD
2 stops24h 20mMultiple Airlines
Deal found 4/27$1,137
Sun 4/286:50 pmIAD - SOU
2 stops19h 40mMultiple Airlines
Wed 5/14:30 pmSOU - IAD
3 stops30h 10mMultiple Airlines
Deal found 4/27$1,173
Sun 4/288:40 pmIAD - SOU
1 stop31h 30mAer Lingus
Wed 5/18:00 pmSOU - IAD
1 stop28h 10mAer Lingus
Deal found 4/27$1,228

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 2,991,349 searches. Data last updated April 27, 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.
Wed 5/15:50 pmIAD - SOU
1 stop18h 00mVirgin Atlantic
Sun 5/59:25 amSOU - IAD
1 stop11h 10mVirgin Atlantic
Deal found 4/26$755
Wed 5/15:48 pmIAD - SOU
2 stops20h 22mVirgin Atlantic
Sun 5/57:40 pmSOU - IAD
1 stop24h 55mVirgin Atlantic
Deal found 4/26$760
Wed 5/19:40 amIAD - SOU
2 stops16h 45mDelta
Sun 5/57:40 pmSOU - IAD
2 stops32h 10mDelta
Deal found 4/26$770
Thu 10/105:25 pmIAD - SOU
1 stop20h 45mKLM
Sun 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 4/26$842
Thu 10/105:25 pmIAD - SOU
1 stop18h 25mKLM
Sun 10/209:25 amSOU - IAD
1 stop11h 10mKLM
Deal found 4/27$843
Wed 9/45:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Wed 9/189:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 4/25$946
Sun 9/85:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Wed 9/189:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 4/27$947
Wed 9/42:05 pmIAD - SOU
2 stops14h 05mBritish Airways
Wed 9/189:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 4/25$949
Sun 9/82:05 pmIAD - SOU
2 stops14h 05mBritish Airways
Wed 9/189:40 amSOU - IAD
1 stop11h 00mBritish Airways
Deal found 4/27$950

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 2,991,349 searches. Data last updated April 27, 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.
Sat 5/188:45 pmIAD - SOU
3 stops33h 35mMultiple Airlines
Deal found 4/27$514
Mon 7/155:25 pmIAD - SOU
1 stop9h 35mDelta
Deal found 4/25$539
Tue 7/165:10 pmIAD - SOU
1 stop11h 00mBritish Airways
Deal found 4/27$540
Tue 7/161:22 pmIAD - SOU
2 stops14h 48mBritish Airways
Deal found 4/27$543
Sat 5/185:50 pmIAD - SOU
1 stop20h 20mKLM
Deal found 4/27$589
Sat 5/181:24 pmIAD - SOU
2 stops14h 31mKLM
Deal found 4/27$634
Wed 7/175:55 pmIAD - SOU
2 stops17h 05mBritish Airways
Deal found 4/27$657
Wed 6/191:13 pmIAD - SOU
2 stops14h 57mBritish Airways
Deal found 4/26$776
Sun 5/2610:50 pmIAD - SOU
2 stops15h 35mBritish Airways
Deal found 4/26$1,157

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 2,991,349 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$842 - $1,002

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

1 stop18h 25m

Southampton Eastleigh

Sun 10/20

1 stop11h 10m

$843

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 9/4

1 stop11h 00m

Southampton Eastleigh

Wed 9/18

1 stop11h 00m

$946

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Thu 10/10

2 stops13h 10m

Southampton Eastleigh

Sun 10/20

1 stop11h 10m

$947

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 9/4

2 stops14h 05m

Southampton Eastleigh

Wed 9/18

1 stop11h 00m

$949

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 9/11

1 stop11h 00m

Southampton Eastleigh

Wed 9/18

1 stop11h 00m

$975

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Fri 9/20

1 stop14h 05m

Southampton Eastleigh

Sun 9/29

1 stop11h 00m

$978

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 9/4

2 stops14h 05m

Southampton Eastleigh

Wed 9/18

2 stops16h 50m

$980

Washington, D.C. Dulles IntlSouthampton Eastleigh

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 10/7

2 stops14h 05m

Southampton Eastleigh

Mon 10/14

1 stop11h 00m

$1,002

Flights are sorted by cheapest first

Deals found on 4/26

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 21, 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 Wednesday 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 $661 while a round-trip flight costs $940. Price data was last updated on April 21, 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 $1,173). 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

$675

February

$664

March

$715

April

$700

May

$748

June

$1,173

July

$987

August

$779

September

$748

October

$712

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 April 27, 2024.
See what other customers who have flown with British Airways and KLM 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
10,951 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,951 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,623 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Aer Lingus
7.2
Good
1,348 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

British Airways
6.8
Okay
6,903 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Comfort

7.9

Overall

8.1

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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 $995.

  • 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, Wednesday, Saturday.

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

    12 flight departures from Washington, D.C. Dulles Intl Airport to Portsmouth per day on average.
    Evening (6pm - Midnight) - 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 $539. British Airways flights start at $540 while deals on KLM start at $589 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 (84%), Aer Lingus (84%) or Finnair (84%) 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 $1,676, 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 $755 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 4/27.

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.

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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 2,991,349 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$260Average$690FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
PLAYCheapest$375Average$517FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Air CanadaCheapest$392Average$705FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest$395Average$814FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest$426Average$447FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest$439Average$592FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
DeltaCheapest$460Average$837FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest$480Average$745FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest$491Average$682FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest$509Average$790FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
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Washington, D.C. Dulles Intl Airport to Portimão flights

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 April 27, 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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How does Cheapflights help users find flights from Dulles Intl to Portsmouth?

Cheapflights makes it easy to find Dulles Intl to Portsmouth flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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Cheapflights helps you find that perfect flight to Portsmouth from Dulles Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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