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District of Columbia

$754+ Cheap flights from Southampton (SOU) to District of Columbia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Southampton to District of Columbia

Best flights from Southampton to District of Columbia
Discover carefully curated flight deals from Southampton to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This British Airways deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/294:05 pmSOU - IAD
1 stop28h 30mBritish Airways
Mon 2/25:05 pmIAD - SOU
1 stop13h 50mBritish Airways
Deal found 12/16$754
This TravelUp deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/159:00 amSOU - IAD
1 stop12h 05mVirgin Atlantic
Thu 1/226:05 pmIAD - SOU
1 stop18h 00mVirgin Atlantic
Deal found 12/16$757
This Booking.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/155:35 pmSOU - IAD
3 stops29h 55mMultiple Airlines
Thu 1/227:40 pmIAD - SOU
2 stops19h 00mMultiple Airlines
Deal found 12/16$771
This Expedia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/309:00 amSOU - DCA
2 stops18h 48mKLM
Fri 2/612:20 pmDCA - SOU
2 stops15h 25mKLM
Deal found 12/16$856
This TravelUp deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/159:00 amSOU - DCA
2 stops18h 57mVirgin Atlantic
Thu 1/2212:55 pmDCA - SOU
2 stops14h 30mVirgin Atlantic
Deal found 12/16$763
This TravelUp deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/308:10 pmSOU - IAD
1 stop24h 25mBritish Airways
Fri 2/65:05 pmIAD - SOU
1 stop10h 40mBritish Airways
Deal found 12/16$811
This Mytrip deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/305:35 pmSOU - IAD
3 stops26h 40mMultiple Airlines
Fri 2/67:40 pmIAD - SOU
2 stops12h 30mMultiple Airlines
Deal found 12/16$988
This British Airways deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/53:00 pmSOU - DCA
2 stops48h 03mBritish Airways
Mon 2/910:12 amDCA - SOU
2 stops24h 23mBritish Airways
Deal found 12/15$4,208

Find flight deals from Southampton to District of Columbia

Keep the following information in mind while searching for Southampton to District of Columbia flight deals. Data was last updated December 18, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$673
(TravelUp)

Popular in

July

Cheapest in

February

Average price

$798
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
Search Deals
From Southampton Eastleigh to District of Columbia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southampton to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Southampton to District of Columbia that are best for you.

Fly from

Southampton

Fly to

District of Columbia

Route

Depart

Return

Price

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 1/29

4:05 pm-3:35 pm

1 stop28h 30m

Washington, D.C. Dulles Intl

Mon 2/2

5:05 pm-11:55 am

1 stop13h 50m

$754

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 1/15

9:00 am-4:05 pm

1 stop12h 05m

Washington, D.C. Dulles Intl

Thu 1/22

6:05 pm-5:05 pm

1 stop18h 00m

$757

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 1/15

9:00 am-10:57 pm

2 stops18h 57m

Washington, D.C. Reagan-National

Thu 1/22

12:55 pm-8:25 am

2 stops14h 30m

$763

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Thu 1/15

5:35 pm-6:30 pm

3 stops29h 55m

Washington, D.C. Dulles Intl

Thu 1/22

7:40 pm-7:40 pm

2 stops19h 00m

$771

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 1/30

8:10 pm-3:35 pm

1 stop24h 25m

Washington, D.C. Dulles Intl

Fri 2/6

5:05 pm-8:45 am

1 stop10h 40m

$811

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 1/30

9:00 am-10:48 pm

2 stops18h 48m

Washington, D.C. Reagan-National

Fri 2/6

12:20 pm-8:45 am

2 stops15h 25m

$856

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 1/30

5:35 pm-3:15 pm

3 stops26h 40m

Washington, D.C. Dulles Intl

Fri 2/6

7:40 pm-1:10 pm

2 stops12h 30m

$988

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Thu 2/5

3:00 pm-10:03 am

2 stops48h 03m

Washington, D.C. Reagan-National

Mon 2/9

10:12 am-3:35 pm

2 stops24h 23m

$4,208

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sun 5/31

9:10 am-7:20 pm

3 stops39h 10m

$1,660

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sun 5/31

9:10 am-3:50 pm

1 stop11h 40m

$2,263

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 12 results
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Best time to book a flight from Southampton to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Southampton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southampton to District of Columbia

What is the cheapest month to book a flight from Southampton to District of Columbia?

Currently, February is the cheapest month in which you can book a flight from Southampton to District of Columbia (average of $305). Flying from Southampton to District of Columbia in July is currently the most expensive (average of $641). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Southampton to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to District of Columbia?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to District of Columbia. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

  • How long is the flight from Southampton to District of Columbia?

    Airlines like British Airways, Virgin Atlantic, and KLM fly from Southampton to District of Columbia in about 12h 05m. The time it takes to get you to your destination can typically vary by up to 16h 25m. Southampton and District of Columbia are separated by a distance of 3639 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Southampton to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Southampton to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Southampton to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to District of Columbia.

  • Can I find deals for business class flights from Southampton to District of Columbia?

    Yes. Cheapflights offers flight deals from Southampton to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Southampton to District of Columbia?

    Currently, February is the cheapest month in which you can book a flight from Southampton to District of Columbia (average of $305). Flying from Southampton to District of Columbia in July is currently the most expensive (average of $641). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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