IAD

£397 Find Cheap Flights from Portsmouth to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portsmouth to Dulles Intl departing on 15/11. 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.
1 adult
1 adult, Economy

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Flight Deals

Cheap Flights from Portsmouth to Dulles Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portsmouth to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Portsmouth to Dulles Intl

Mon, 13 Oct - Mon, 20 Oct
Virgin Atlantic Logo
17:35 - 15:35SOU-IAD
27h 00m1 stop
Virgin Atlantic Logo
17:25 - 16:50IAD-SOU
18h 25m1 stop
£463Virgin Atlantic
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Virgin Atlantic Logo
17:35 - 09:00SOU-IAD
44h 25m2 stops
Virgin Atlantic Logo
19:59 - 17:00IAD-SOU
40h 01m2 stops
£472Virgin Atlantic
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Thu, 30 Oct - Thu, 6 Nov
KLM Logo
08:50 - 17:05SOU-IAD
12h 15m1 stop
KLM Logo
18:05 - 17:00IAD-SOU
17h 55m1 stop
£489KLM
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Thu, 30 Oct - Thu, 6 Nov
Virgin Atlantic Logo
08:50 - 17:05SOU-IAD
12h 15m1 stop
Virgin Atlantic Logo
12:09 - 08:05IAD-SOU
14h 56m2 stops
£490Virgin Atlantic
Find Deal
Mon, 13 Oct - Mon, 20 Oct
KLM Logo
17:35 - 15:35SOU-IAD
27h 00m1 stop
KLM Logo
13:00 - 08:45IAD-SOU
14h 45m2 stops
£499KLM
Find Deal
Thu, 30 Oct - Thu, 6 Nov
KLM Logo
08:50 - 20:15SOU-IAD
15h 25m2 stops
KLM Logo
21:25 - 17:00IAD-SOU
14h 35m2 stops
£535KLM
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Logo
20:30 - 15:20SOU-IAD
47h 50m3 stops
Logo
09:45 - 19:30IAD-SOU
28h 45m3 stops
£613
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Logo
20:30 - 15:20SOU-IAD
47h 50m3 stops
Logo
15:36 - 19:30IAD-SOU
22h 54m2 stops
£647
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Logo
20:10 - 22:00SOU-IAD
29h 50m2 stops
Logo
17:30 - 19:20IAD-SOU
20h 50m3 stops
£731
Find Deal

Everything you should know

Cheapest return fare
£463
Virgin Atlantic
Mon 13/10Mon 20/10
SOU - IAD • 1 stop
Cheapest one-way flight
£397
Aer Lingus
Sat 15/11
SOU - IAD • 1 stop
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
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Good to know - Cheap tickets from Portsmouth to Washington Dulles Airport

Low seasonJanuary
Best time to beat the crowds (1% less expensive on average)
Most popular time to fly (25% more expensive on average)

When to book flights from Portsmouth to Dulles Intl

Are your dates flexible? Find out the best times to travel from Portsmouth to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

FAQs for booking Portsmouth to Washington Dulles Airport flights

  • How does KAYAK find such low prices on flights from Portsmouth to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portsmouth to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portsmouth to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Portsmouth is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portsmouth to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington Dulles Airport with an airline and back to Portsmouth with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portsmouth to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Portsmouth up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portsmouth to Dulles Intl

Information on your arrival and departure airports

Dulles Intl (IAD)

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