Cheap flights from Portsmouth to Dulles Intl

LHR — IAD
30 May — 6 Jun1
Return
1 adult
Economy
From?
To?
Mon 30/5
Mon 6/6

How far in advance should I book a flight from Portsmouth to Washington, D.C. Dulles Intl Airport?

To save on the cost of your flight from Portsmouth to Washington, D.C. Dulles Intl Airport, book at least 34 days before your planned departure. Booking around this time can save you about 27% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £584 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £682.

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

The best pricing can be found in the month of February. Prices to Washington, D.C. Dulles Intl Airport from Portsmouth average £534. You can even find prices in February for less than £534, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as £357. The month of July appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Portsmouth. Flying in the targeted month can save you up to 21%.

When is the cheapest time to fly from Portsmouth to Washington, D.C. Dulles Intl Airport (P0R - IAD)?

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.

Related info for your journey

Useful info, stats and facts about Portsmouth to Dulles Intl flights.

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

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

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

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

What are the most popular airlines that fly from Portsmouth to Washington, D.C. Dulles Intl Airport?

When booking a flight from Portsmouth to Washington, D.C. Dulles Intl Airport, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

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 (91%), Austrian Airlines (91%), United Airlines (91%).

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 £221. On average you can expect to pay £2,068. The most popular route, (Southampton Eastleigh - Washington, D.C. Dulles Intl), can usually be booked for £932.

Other flights to Dulles Intl

Alternative routes for Portsmouth to Dulles Intl

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

Top 5 airlines flying from Portsmouth to Dulles Intl

The chart below displays the airlines Cheapflights users travelling from Portsmouth to Dulles Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Air FranceCheapest£297Average£661FlexibilityNo cancel feeOn-time77%COVID-19 safety
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TAP AIR PORTUGALCheapest£305Average£451FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
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IcelandairCheapest£388Average£518FlexibilityNo cancel feeOn-time76%COVID-19 safety
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Aer LingusCheapest£400Average£523FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
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Scandinavian AirlinesCheapest£430Average£553FlexibilityNo cancel feeOn-time77%COVID-19 safety
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Hourly flight availability from Portsmouth to Dulles Intl

See what time of day planes typically take off from Portsmouth to Dulles Intl
1%of flight departuresEarly morningMidnight to 6 am
82%of flight departuresMorning6 am to noon
17%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM