Cheap flights from Southampton to Washington DC

from as little as £673

7 nights in Washington DC, departing Southampton on 27 / Mar / 2025 with Aer Lingus (price found 40 hours ago)

Subject to availability, prices correct of the last 24 hours
Washington DC

Cheap return flights from Southampton to Washington DC

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The Southampton / Washington DC route

All 5866 km of it

Cheap flight deals for this route

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Washington DC flight facts

What you need to know

Alternative flights from the UK to Washington DC

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Alternative flights from Southampton to Washington DC

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Washington DC

27 / Mar / 2025 is currently the lowest priced day of the year to fly the Southampton/Washington DC route. There are around 40 flights on any given week from the UK to Washington DC and the cheapest month to fly right now is March.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

-3 °C

AVG

13 °C

HIGHEST

31 °C

Rainfall (mm)
LOWEST

73 mm

AVG

91.9 mm

HIGHEST

126 mm

Key facts about Washington DC

How to get cheap flights from Southampton to Washington DC

Tips and advice from our flight experts

Your flight from Southampton to Washington DC should take about 12 hrs 25 mins. We've gone through all 40 of the weekly flights to or via Washington DC, operated by three airlines, to help you compare flight prices and times. At the moment, the cheapest flight is £673.

Aer Lingus, KLM & Virgin Atlantic are the most popular airlines for flying from Southampton to Washington DC. Adjust your search options to look by month, and see how much you could save if you fly during low season.

In Washington DC, Washington DC Ronald Reagan Washington National Airport (DCA) is usually the cheapest airport to fly to, but there are two airports to choose from. Not sure who to fly with? Aer Lingus, KLM & Virgin Atlantic are the most popular airlines available from Southampton.

If you can’t find flights that suit you, consider flying to another part of the USA.

Other popular destinations near Washington DC

Where other people are flying to

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