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

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

British Airways, Lufthansa and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Southampton according to our data. British Airways is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 10 different airlines that fly to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport?

Prices for flights from Southampton Eastleigh Airport to Washington, D.C. Dulles Intl Airport are updated daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport to Washington, D.C. Dulles Intl Airport.

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

The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport 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.

$430 Cheap Flights from Southampton to Washington, D.C. Dulles Intl Airport in 2026/27

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

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9:20 am - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 25m1 stop Dublin

5:15 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 30m1 stop Dublin

$705Aer Lingus

Sat, Feb 27 - Fri, Mar 5

12:25 pm - 7:20 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 55m1 stop Dublin

5:15 pm - 8:50 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 35m1 stop Dublin

$775Aer Lingus

Sun, Dec 6 - Sun, Dec 13

12:25 pm - 7:20 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 55m1 stop Dublin

5:15 pm - 8:50 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 35m1 stop Dublin

$847Aer Lingus

Mon, Dec 21 - Mon, Dec 28

9:20 am - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 25m1 stop Dublin

5:15 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 30m1 stop Dublin

$900Aer Lingus

Fri, Dec 18 - Sun, Dec 27

8:40 am - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

12h 05m1 stop Amsterdam Schiphol

6:00 am - 8:10 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

21h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

$927Delta

Thu, Dec 24 - Thu, Dec 31

8:40 am - 10:56 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

19h 16m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

6:00 am - 8:10 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

21h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

$932Delta

Thu, Dec 24 - Thu, Dec 31

9:30 am - 3:40 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 10m1 stop Amsterdam Schiphol

12:35 pm - 8:10 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

14h 35m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$935Delta

Sun, Dec 6 - Sun, Dec 13

9:25 am - 8:26 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

16h 01m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

6:15 pm - 8:55 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

9h 40m1 stop Amsterdam Schiphol

$942Delta

Sat, Feb 27 - Fri, Mar 5

9:05 am - 3:30 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 25m1 stop Amsterdam Schiphol

6:30 pm - 4:50 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 20m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$949Delta

Tue, Apr 27 - Tue, May 18

9:05 am - 9:12 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

17h 07m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

6:30 pm - 4:50 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 20m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$953Delta

Tue, Apr 27 - Tue, May 18

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British Airways flights from Southampton to Washington, D.C. Dulles Intl Airport

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

British Airways

Dec 9

SOU9:20 amSouthampton Eastleigh

15h 00m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

Dec 17

IAD5:15 pmWashington, D.C. Dulles Intl

10h 35m

1 stop

SOU8:50 amSouthampton Eastleigh

$1,072

British Airways

Feb 3

SOU12:20 pmSouthampton Eastleigh

32h 25m

1 stop

IAD3:45 pmWashington, D.C. Dulles Intl

Feb 7

IAD5:15 pmWashington, D.C. Dulles Intl

13h 40m

1 stop

SOU11:55 amSouthampton Eastleigh

$1,075

British Airways

Dec 20

SOU9:20 amSouthampton Eastleigh

11h 25m

1 stop

IAD3:45 pmWashington, D.C. Dulles Intl

Dec 31

IAD5:15 pmWashington, D.C. Dulles Intl

10h 35m

1 stop

SOU8:50 amSouthampton Eastleigh

$1,079

Aer Lingus flights from Southampton to Washington, D.C. Dulles Intl Airport

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

Aer Lingus

Feb 27

SOU9:20 amSouthampton Eastleigh

11h 25m

1 stop

IAD3:45 pmWashington, D.C. Dulles Intl

Mar 5

IAD5:15 pmWashington, D.C. Dulles Intl

10h 30m

1 stop

SOU8:45 amSouthampton Eastleigh

$705

Aer Lingus

Dec 6

SOU12:25 pmSouthampton Eastleigh

11h 55m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

Dec 13

IAD5:15 pmWashington, D.C. Dulles Intl

10h 35m

1 stop

SOU8:50 amSouthampton Eastleigh

$775

Aer Lingus

Dec 21

SOU12:25 pmSouthampton Eastleigh

11h 55m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

Dec 28

IAD5:15 pmWashington, D.C. Dulles Intl

10h 35m

1 stop

SOU8:50 amSouthampton Eastleigh

$847

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Sat 2/27

9:20 am-3:45 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Fri 3/5

5:15 pm-8:45 am

1 stop10h 30m

$705

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Sun 12/6

12:25 pm-7:20 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Sun 12/13

5:15 pm-8:50 am

1 stop10h 35m

$775

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Mon 12/21

12:25 pm-7:20 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Mon 12/28

5:15 pm-8:50 am

1 stop10h 35m

$847

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Fri 12/18

9:20 am-3:45 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Sun 12/27

5:15 pm-8:45 am

1 stop10h 30m

$900

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Thu 12/24

8:40 am-3:45 pm

1 stop12h 05m

Washington, D.C. Dulles Intl

Thu 12/31

6:00 am-8:10 am

2 stops21h 10m

$927

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Thu 12/24

8:40 am-10:56 pm

2 stops19h 16m

Washington, D.C. Dulles Intl

Thu 12/31

6:00 am-8:10 am

2 stops21h 10m

$932

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Sun 12/6

9:30 am-3:40 pm

1 stop11h 10m

Washington, D.C. Dulles Intl

Sun 12/13

12:35 pm-8:10 am

2 stops14h 35m

$935

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Sat 2/27

9:25 am-8:26 pm

2 stops16h 01m

Washington, D.C. Dulles Intl

Fri 3/5

6:15 pm-8:55 am

1 stop9h 40m

$942

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Tue 4/27

9:05 am-3:30 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Tue 5/18

6:30 pm-4:50 pm

2 stops17h 20m

$949

SouthamptonWashington, D.C.

SOU Southampton Eastleigh - IAD Washington, D.C. Dulles Intl

SOUIAD

Southampton Eastleigh

Tue 4/27

9:05 am-9:12 pm

2 stops17h 07m

Washington, D.C. Dulles Intl

Tue 5/18

6:30 pm-4:50 pm

2 stops17h 20m

$953

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. Dulles Intl Airport

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. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $753. 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. Dulles Intl Airport for around $837.

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

Flying to Washington, D.C. Dulles Intl Airport from Southampton in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $767 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $815 on average. Flights to Washington, D.C. Dulles Intl Airport from Southampton at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Southampton to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (SOU to IAD) flight deals and tips

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

Best Price Found	$430
Fastest flight time	11h 25m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Southampton in the past 72 hours is $430. The best round-trip flight deal from Southampton to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $705.

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

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

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

How far is Southampton Eastleigh to Washington, D.C. Dulles Intl by plane?
Southampton Eastleigh and Washington, D.C. Dulles Intl are 3637.8 mi apart from one another. Typically, this will take 11h 25m by plane in normal conditions.
When did momondo last update prices for flights from Southampton Eastleigh Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Southampton Eastleigh Airport to Washington, D.C. Dulles Intl Airport are updated daily.
How old do you have to be to fly from Southampton Eastleigh Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport 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

Arlington

Gettysburg

Fredericksburg

Winchester

Waldorf

Laurel

Gaithersburg

Woodbridge

Linthicum Heights

Rockville

Silver Spring

Sterling

Towson

Fairfax

Springfield

Glen Burnie

Edgewood

Chantilly

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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 you have performed a search for Southampton to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Southampton to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Southampton to Washington, D.C. from $430

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 1/12. 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. Dulles Intl Airport

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

Aer Lingus flights from Southampton to Washington, D.C. Dulles Intl Airport

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

momondo Fare Finder

Use the filters below to find and compare flights from Southampton to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport

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

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

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

When to book flights from Southampton to Washington, D.C. Dulles Intl Airport

Cheap Southampton to Washington, D.C. Dulles Intl Airport (SOU to IAD) flight deals and tips

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Fastest flight time

Direct flights

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

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

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

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