Cheap flights from Southampton to Washington DC

Q: What are the cheapest airlines?

Aer Lingus, KLM, Virgin Atlantic. These airlines usually offer the cheapest flights from Southampton to Washington DC.

Q: What airlines fly indirectly?

Virgin Atlantic, British Airways, Aer Lingus, KLM. These airlines fly from Southampton to Washington DC, but you’ll have at least one layover.

Q: How long is the flight?

11 hrs 10 mins. This is the shortest flight time from Southampton to Washington DC.

from as little as £709

14 nights in Washington DC, departing Southampton on 07 / Mar / 2025 with Aer Lingus (price found 34 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Southampton to Washington DC

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The Southampton / Washington DC route

All 5866 km of it

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Washington DC flight facts

What you need to know

What are the cheapest airlines?

Aer Lingus
KLM
Virgin Atlantic

These airlines usually offer the cheapest flights from Southampton to Washington DC.

What airlines fly indirectly?

Virgin Atlantic
British Airways
Aer Lingus
KLM

These airlines fly from Southampton to Washington DC, but you’ll have at least one layover.

How long is the flight?

11 hrs 10 mins

This is the shortest flight time from Southampton to Washington DC.

Alternative flights from the UK to Washington DC

Check out prices for other routes

London to Washington DC

from £344 pp

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Manchester to Washington DC

from £549 pp

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Edinburgh to Washington DC

from £643 pp

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Birmingham to Washington DC

from £649 pp

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Southampton to Washington DC Ronald Reagan Washington National Airport

search for price

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Southampton to Washington DC Washington Dulles International Airport

from £709 pp

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Alternative flights from Southampton

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07 / Mar / 2025 is currently the lowest priced day of the year to fly the Southampton/Washington DC route. There are around 57 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

Currency

United States dollar

Language

English

Timezone

5 hrs behind GMT

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 10 mins. We've gone through all 57 of the weekly flights to or via Washington DC, operated by four airlines, to help you compare flight prices and times. At the moment, the cheapest flight is £709.

Virgin Atlantic, Virgin Atlantic & British Airways 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? Virgin Atlantic, Virgin Atlantic & British Airways 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.