IAD

£508 Find Cheap Flights from Portsmouth to Washington Dulles Airport

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portsmouth to Dulles Intl departing on 15/3. 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, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

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Everything you should know

Cheapest return fare
£508
Virgin Atlantic
Sun 15/3Sun 22/3
SOU - IAD • 1 stop
Cheapest one-way flight
£1,153
British Airways
Sun 28/12
SOU - IAD • 2 stops
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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!
Flight Deals
Useful Info
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

Sun, 15 Mar - Sun, 22 Mar
Virgin Atlantic Logo
09:30 - 17:05
SOU
-
IAD
11h 35m1 stop
Virgin Atlantic Logo
19:05 - 17:00
IAD
-
SOU
17h 55m1 stop
£508Virgin Atlantic
Wed, 28 Jan - Wed, 4 Feb
Virgin Atlantic Logo
09:25 - 20:45
SOU
-
IAD
16h 20m2 stops
Virgin Atlantic Logo
12:23 - 08:25
IAD
-
SOU
15h 02m2 stops
£555Virgin Atlantic
Wed, 28 Jan - Wed, 4 Feb
KLM Logo
17:35 - 16:05
SOU
-
IAD
27h 30m1 stop
KLM Logo
12:23 - 08:50
IAD
-
SOU
15h 27m2 stops
£575KLM
Wed, 28 Jan - Wed, 4 Feb
Multiple Airlines Logo
17:35 - 15:15
SOU
-
IAD
26h 40m3 stops
Multiple Airlines Logo
19:40 - 17:20
IAD
-
SOU
16h 40m2 stops
£740Multiple Airlines
Wed, 28 Jan - Wed, 4 Feb
Aer Lingus Logo
12:25 - 15:35
SOU
-
IAD
32h 10m1 stop
Aer Lingus Logo
17:05 - 08:45
IAD
-
SOU
10h 40m1 stop
£786Aer Lingus
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
20:10 - 15:35
SOU
-
IAD
24h 25m1 stop
British Airways Logo
17:05 - 15:35
IAD
-
SOU
17h 30m1 stop
£843British Airways
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
16:05 - 15:35
SOU
-
IAD
28h 30m1 stop
British Airways Logo
18:20 - 16:00
IAD
-
SOU
16h 40m2 stops
£852British Airways
Wed, 28 Jan - Wed, 4 Feb
Multiple Airlines Logo
17:35 - 15:15
SOU
-
IAD
26h 40m3 stops
Multiple Airlines Logo
09:45 - 17:30
IAD
-
SOU
26h 45m3 stops
£855Multiple Airlines
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
08:40 - 15:35
SOU
-
IAD
35h 55m2 stops
British Airways Logo
17:05 - 15:35
IAD
-
SOU
17h 30m1 stop
£857British Airways
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
08:40 - 15:35
SOU
-
IAD
35h 55m2 stops
British Airways Logo
18:20 - 16:00
IAD
-
SOU
16h 40m2 stops
£866British Airways
Useful Info

Good to know - Cheap tickets from Portsmouth to Washington Dulles Airport

Low seasonJanuary
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)