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Cheap flights from Portsmouth to Washington, D.C. Dulles Intl Airport from £792

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAD
4 Nov — 11 Nov1
1 adult

Find flights from Portsmouth to Dulles Intl within your budget

Customise your flight search to find flights from Portsmouth to Dulles Intl 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 1,015,184 searches. Data last updated 30 October 2024.

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Return

Price

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sun 29/12

09:30-15:40

1 stop11h 10m

£1,263

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Tue 12/11

09:30-19:45

1 stop15h 15m

Washington, D.C. Dulles Intl

Tue 19/11

17:10-08:45

1 stop10h 35m

£792

Flights are sorted by cheapest first

Deals found on 29/10

Cheap flight deals from Portsmouth to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portsmouth (P0R) to Dulles Intl (IAD). 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 30 October 2024.

Round-trip from

£792
British Airways
  • British Airways
  • 12/11-19/11
  • 2 total stops
  • 25h 50m total
  • Portsmouth to Washington, D.C.

Find flight deals from Portsmouth to Dulles Intl

Cheapest flights from Portsmouth to Dulles Intl
Explore the most affordable flight options available from Portsmouth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2024.

Tue 12/1109:30SOU - IAD
1 stop15h 15mBritish Airways
Tue 19/1117:10IAD - SOU
1 stop10h 35mBritish Airways
Deal found 29/10£792

Best time to book a flight from Portsmouth to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Portsmouth with our price prediction graph.
Estimated return 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 Portsmouth to Dulles Intl

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

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

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Washington, D.C. Dulles Intl Airport (average of £612). Flying from Portsmouth to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £898). 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 P0R to IAD?

Find hourly flight availability from Portsmouth to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2024.

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

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Dulles Intl. Price data was last updated on 26 May 2024.

Travellers seeking maximum savings on their Portsmouth to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 30 October 2024.
6.7
Okay
6,846 reviews

Overall

6.7

Entertainment

6.4

Comfort

6.7

Crew

7.6

Boarding

6.9

Food

6.3

Reviews

1 / 10

Check in and boarding are fast and organized , ground support staff and information are available to provide answer for your questions.

6.7
Okay
6,846 reviews
6.7
Okay
6,846 reviews

Overall

6.7

Entertainment

6.4

Comfort

6.7

Crew

7.6

Boarding

6.9

Food

6.3

Reviews

1 / 10

Check in and boarding are fast and organized , ground support staff and information are available to provide answer for your questions.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Dulles Intl. 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 reliable airlines from Portsmouth to Washington, D.C. Dulles Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portsmouth to Washington, D.C. Dulles Intl Airport on time: Air Canada (76%), Austrian Airlines (76%), Copa Airlines (76%).

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

    The cheapest flight price from Portsmouth to Washington, D.C. Dulles Intl Airport is £455. On average you can expect to pay £1,305. The most popular route, (Southampton Eastleigh - Washington, D.C. Dulles Intl), can usually be booked for £792.

  • Can I find deals for flights from Portsmouth to Dulles Intl that include hotel bookings?

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Washington, D.C. Dulles Intl Airport (average of £612). Flying from Portsmouth to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £898). 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.

See more FAQs

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Alternative routes for Portsmouth to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to Dulles Intl

Discover the top 10 airlines that operate flights from Portsmouth to Dulles Intl. 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 1,015,184 searches. Data last updated 30 October 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£257Average£425FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
DeltaCheapest£330Average£647FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LufthansaCheapest£371Average£637FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£372Average£645FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£375Average£550FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
American AirlinesCheapest£377Average£451FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£383Average£655FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£391Average£610FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£394Average£739FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£406Average£541FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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

When you search for this flight from Portsmouth to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Dulles Intl?

Cheapflights simply makes it quick and affordable to book flights from Portsmouth to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portsmouth to Dulles Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Portsmouth to Dulles Intl with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Dulles Intl become cheaper?

Of course! You can now track prices for flights from Portsmouth to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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