What is the cheapest airline that flies from Southampton Eastleigh to Washington, D.C.?

Aer Lingus, British Airways, and Delta are the most popular carriers operating from Southampton Eastleigh to Washington, D.C.

What airlines fly to Washington, D.C.?

British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to Washington, D.C. from Southampton according to our data. British Airways is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 11 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Southampton Eastleigh Airport to Washington, D.C.?

Prices for flights from Southampton Eastleigh Airport to Washington, D.C. were last updated today.

How old do you have to be to fly from Southampton Eastleigh Airport to Washington, D.C.?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$466 Cheap Flights from Southampton to Washington, D.C. in 2026

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Find the cheapest flights from Southampton to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 am - 7:20 pm

SOU

IAD

15h 00m

2 stops

8:30 pm - 7:30 pm

IAD

SOU

18h 00m

2 stops

$868Multiple Airlines

Wed, Apr 15 - Sun, Apr 19

9:20 am - 3:45 pm

SOU

IAD

11h 25m

1 stop

5:15 pm - 8:05 am

IAD

SOU

9h 50m

1 stop

$923British Airways

Mon, Jul 20 - Tue, Aug 25

8:45 pm - 7:40 pm

SOU

BWI

27h 55m

2 stops

9:30 pm - 7:25 pm

BWI

SOU

16h 55m

2 stops

$924British Airways

Sun, Jul 19 - Mon, Aug 24

8:45 pm - 7:40 pm

SOU

BWI

27h 55m

2 stops

7:25 pm - 7:25 pm

BWI

SOU

19h 00m

2 stops

$934British Airways

Sun, Jul 19 - Tue, Aug 25

8:00 pm - 3:45 pm

SOU

IAD

24h 45m

1 stop

5:15 pm - 8:05 am

IAD

SOU

9h 50m

1 stop

$936British Airways

Sun, Jul 19 - Tue, Aug 25

9:20 am - 3:45 pm

SOU

IAD

11h 25m

1 stop

8:55 pm - 4:50 pm

IAD

SOU

14h 55m

1 stop

$937British Airways

Wed, Apr 29 - Wed, May 6

8:45 pm - 7:40 pm

SOU

BWI

27h 55m

2 stops

7:25 pm - 7:00 pm

BWI

SOU

18h 35m

2 stops

$939British Airways

Sun, Jul 19 - Wed, Aug 26

9:20 am - 6:58 pm

SOU

DCA

38h 38m

2 stops

6:00 am - 8:40 am

DCA

SOU

21h 40m

2 stops

$980Multiple Airlines

Wed, Apr 29 - Wed, May 6

9:15 am - 10:22 pm

SOU

DCA

18h 07m

2 stops

12:30 pm - 8:45 am

DCA

SOU

15h 15m

2 stops

$1,173Delta

Sun, Apr 19 - Sat, Apr 25

5:20 pm - 5:30 pm

SOU

DCA

29h 10m

2 stops

7:38 pm - 4:50 pm

DCA

SOU

16h 12m

2 stops

$1,196Delta

Sun, Apr 19 - Sun, Apr 26

British Airways flights from Southampton to Washington, D.C.

Our best British Airways deals on Southampton to Washington, D.C. flight tickets

British Airways

Jul 20

SOU9:20 amSouthampton Eastleigh

11h 25m

1 stop

IAD3:45 pmWashington, D.C. Dulles Intl

Aug 25

IAD5:15 pmWashington, D.C. Dulles Intl

9h 50m

1 stop

SOU8:05 amSouthampton Eastleigh

$923

British Airways

Jul 19

SOU8:45 pmSouthampton Eastleigh

27h 55m

2 stops

BWI7:40 pmBaltimore/Washington

Aug 24

BWI9:30 pmBaltimore/Washington

16h 55m

2 stops

SOU7:25 pmSouthampton Eastleigh

$924

British Airways

Jul 19

SOU8:45 pmSouthampton Eastleigh

27h 55m

2 stops

BWI7:40 pmBaltimore/Washington

Aug 25

BWI7:25 pmBaltimore/Washington

19h 00m

2 stops

SOU7:25 pmSouthampton Eastleigh

$934

Aer Lingus flights from Southampton to Washington, D.C.

Our best Aer Lingus deals on Southampton to Washington, D.C. flight tickets

Aer Lingus

Apr 15

SOU9:20 amSouthampton Eastleigh

15h 05m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Apr 19

IAD8:55 pmWashington, D.C. Dulles Intl

17h 35m

1 stop

SOU7:30 pmSouthampton Eastleigh

$1,008

Aer Lingus

Apr 15

SOU9:20 amSouthampton Eastleigh

15h 05m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

Apr 19

IAD5:45 pmWashington, D.C. Dulles Intl

20h 45m

2 stops

SOU7:30 pmSouthampton Eastleigh

$1,012

Aer Lingus

Apr 7

SOU8:00 pmSouthampton Eastleigh

24h 45m

1 stop

IAD3:45 pmWashington, D.C. Dulles Intl

Apr 14

IAD9:05 pmWashington, D.C. Dulles Intl

17h 25m

1 stop

SOU7:30 pmSouthampton Eastleigh

$1,341

momondo Fare Finder

Use the filters below to find and compare flights from Southampton to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/15

9:20 am-7:20 pm

2 stops15h 00m

Washington, D.C. Dulles Intl

Sun 4/19

8:30 pm-7:30 pm

2 stops18h 00m

$868

Quickest round-trip

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 7/20

9:20 am-3:45 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Tue 8/25

5:15 pm-8:05 am

1 stop9h 50m

$923

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sun 7/19

8:45 pm-7:40 pm

2 stops27h 55m

Baltimore/Washington

Mon 8/24

9:30 pm-7:25 pm

2 stops16h 55m

$924

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sun 7/19

8:45 pm-7:40 pm

2 stops27h 55m

Baltimore/Washington

Tue 8/25

7:25 pm-7:25 pm

2 stops19h 00m

$934

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sun 7/19

8:00 pm-3:45 pm

1 stop24h 45m

Washington, D.C. Dulles Intl

Tue 8/25

5:15 pm-8:05 am

1 stop9h 50m

$936

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 4/29

9:20 am-3:45 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Wed 5/6

8:55 pm-4:50 pm

1 stop14h 55m

$937

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sun 7/19

8:45 pm-7:40 pm

2 stops27h 55m

Baltimore/Washington

Wed 8/26

7:25 pm-7:00 pm

2 stops18h 35m

$939

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 4/29

9:20 am-6:58 pm

2 stops38h 38m

Washington, D.C. Reagan-National

Wed 5/6

6:00 am-8:40 am

2 stops21h 40m

$980

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sun 4/19

9:15 am-10:22 pm

2 stops18h 07m

Washington, D.C. Reagan-National

Sat 4/25

12:30 pm-8:45 am

2 stops15h 15m

$1,173

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Sun 4/19

5:20 pm-5:30 pm

2 stops29h 10m

Washington, D.C. Reagan-National

Sun 4/26

7:38 pm-4:50 pm

2 stops16h 12m

$1,196

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Southampton to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Southampton is on a Thursday. momondo users have found tickets for Thursday departures for as low as $749. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Southampton to Washington, D.C. for around $869.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Southampton to Washington, D.C. when you can find flight prices for as low as $808. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $837. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Southampton to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Southampton to Washington, D.C. (SOU to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Washington, D.C.

Fastest flight time	11h 25m
Direct flights	None

The fastest flight from Southampton to Washington, D.C. takes 11h 25m

There are no direct flights from Southampton to Washington, D.C.. There are no popular flight routes from Southampton to Washington, D.C..

Search flight deals

Frequently asked questions about flying from Southampton to Washington, D.C.

How far is Southampton Eastleigh to Washington, D.C. by plane?
A flight from Southampton Eastleigh to Washington, D.C. will travel around 3622.6 mi. A reasonable flight in good conditions will take 11h 25m.
When did momondo last update prices for flights from Southampton Eastleigh Airport to Washington, D.C.?
Prices for flights from Southampton Eastleigh Airport to Washington, D.C. were last updated today.
How old do you have to be to fly from Southampton Eastleigh Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Linthicum Heights

Springfield

Bethesda

Fairfax

College Park

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Southampton to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Southampton to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Southampton on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Southampton to Washington, D.C.?

Once all potential Southampton to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Southampton to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Southampton to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Southampton to Washington, D.C. from $466

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Washington, D.C. departing on 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Southampton to Washington, D.C.

Our best British Airways deals on Southampton to Washington, D.C. flight tickets

Aer Lingus flights from Southampton to Washington, D.C.

Our best Aer Lingus deals on Southampton to Washington, D.C. flight tickets

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Use the filters below to find and compare flights from Southampton to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Southampton to Washington, D.C.

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

What is the cheapest airline that flies from Southampton Eastleigh to Washington, D.C.?

What airlines fly to Washington, D.C.?

When to book flights from Southampton to Washington, D.C.

Cheap Southampton to Washington, D.C. (SOU to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Washington, D.C.

Fastest flight time

Direct flights

Frequently asked questions about flying from Southampton to Washington, D.C.

Traveling to a place near Washington, D.C.?

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An easier way to manage your Washington, D.C. trip

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Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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