Cheap flights from Southampton to Washington Dulles Intl

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Thu 10/12
Thu 17/12
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
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#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
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#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#removeLegButton($self.id("removeLeg$leg"))
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
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#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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#removeLegButton($self.id("removeLeg$leg"))
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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#removeLegButton($self.id("removeLeg$leg"))
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
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Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#removeLegButton($self.id("removeLeg$leg"))
#infantInLapWarning('multiRightOfTravelers')

How to find the cheapest flight from
Southampton (SOU) to Washington Dulles Intl (IAD)

How far in advance should I book a flight from Southampton to Washington Dulles Intl?

To save on the cost of your flight from Southampton to Washington Dulles Intl, 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 £547 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £639.

What is the cheapest month to fly from Southampton to Washington Dulles Intl?

February can be a great time to fly to Washington Dulles Intl from Southampton with a flight ticket averaging about £501. Cheapflights users have found deals in the month of February for as cheap as £335. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from Southampton to Washington Dulles Intl (SOU - IAD)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Washington Dulles Intl as you normally would.

Related info for your journey

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

Flight FAQs

From Southampton to Washington Dulles Intl

Are flight prices decreasing from Southampton to Washington Dulles Intl due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Southampton and Washington Dulles Intl for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Southampton to Washington Dulles Intl for under £523 on Cheapflights?

Yes, there are multiple flights from Southampton to Washington Dulles Intl for under £523. The cheapest flight booked recently is on KLM for just £520, but on average you can expect to pay £1,490.

Are there direct flights from Southampton to Washington Dulles Intl for under £523 on Cheapflights?

There are no direct flights from Southampton to Washington Dulles Intl, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Southampton or Washington Dulles Intl?

Southampton will have less rainfall in 2 compared to Washington Dulles Intl over the next 13 days.

Is Southampton weather warmer or cooler than Washington Dulles Intl?

Our data indicates that the weather will be 31 °C on average in the month of July. The temperature in Washington Dulles Intl is typically hotter than in Southampton. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long does is the flight from Southampton to Washington Dulles Intl?

For as low as £2,291, KLM can have you in Washington Dulles Intl from Southampton in 11h 20m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from Southampton to Washington Dulles Intl return?

According to our current data, KLM (£520), and Delta (£523) offers the cheapest pricing from Southampton to Washington Dulles Intl.

Alternative routes for Southampton to Washington Dulles Intl

Destination information for Washington Dulles Intl

Things to know before you go. Useful info for your trip from Southampton to Washington Dulles Intl
Today's exchange rate
£1 = $1.34
Average temperature for December in Washington Dulles Intl
9.0 °C
Avg rainfall for December in Washington Dulles Intl
81.0 mm

Airports servicing Southampton

Airports servicing Washington

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