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Cheap flights from Southampton to District of Columbia from £566

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — IAD
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 29 October 2025.

Round-trip from

£566

Popular in

July

Cheapest in

February

Average price

£560
Virgin Atlantic
  • Virgin Atlantic
  • 1/4-5/4
  • 2 total stops
  • 29h 25m total
  • Southampton to District of Columbia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Southampton to District of Columbia

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to District of Columbia
Explore the most affordable flight options available from Southampton to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Fri 12/1208:40SOU - IAD
2 stops15h 50mMultiple Airlines
Fri 19/1217:05IAD - SOU
1 stop10h 40mMultiple Airlines
Deal found 28/10£582
Fri 12/1209:30SOU - IAD
1 stop15h 00mAer Lingus
Fri 19/1217:05IAD - SOU
1 stop10h 40mAer Lingus
Deal found 28/10£591
Wed 12/1112:25SOU - IAD
1 stop12h 05mBritish Airways
Mon 17/1117:05IAD - SOU
1 stop17h 30mBritish Airways
Deal found 27/10£826
Sun 14/1209:30SOU - IAD
1 stop15h 00mBritish Airways
Sun 21/1221:00IAD - SOU
1 stop13h 35mBritish Airways
Deal found 28/10£1,004
Sat 1/1109:30SOU - IAD
1 stop15h 00mBritish Airways
Wed 5/1118:50IAD - SOU
1 stop15h 45mBritish Airways
Deal found 27/10£1,164
Fri 12/1208:40SOU - DCA
2 stops19h 17mVirgin Atlantic
Fri 19/1211:13DCA - SOU
2 stops16h 37mVirgin Atlantic
Deal found 28/10£1,204
Fri 12/1208:00SOU - DCA
3 stops19h 57mMultiple Airlines
Fri 19/1214:55DCA - SOU
3 stops21h 05mMultiple Airlines
Deal found 28/10£1,381

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 29 October 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

Wed 1/4

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Sun 5/4

17:50-17:00

1 stop18h 10m

£566

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 1/4

09:20-23:08

2 stops18h 48m

Washington, D.C. Reagan-National

Sun 5/4

17:15-17:00

2 stops18h 45m

£571

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 12/12

08:40-19:30

2 stops15h 50m

Washington, D.C. Dulles Intl

Fri 19/12

17:05-08:45

1 stop10h 40m

£582

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 1/4

17:35-15:35

1 stop27h 00m

Washington, D.C. Dulles Intl

Sun 5/4

07:00-08:50

2 stops20h 50m

£591

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Fri 12/12

09:30-19:30

1 stop15h 00m

Washington, D.C. Dulles Intl

Fri 19/12

17:05-08:45

1 stop10h 40m

£591

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Wed 1/4

17:35-10:25

2 stops21h 50m

Washington, D.C. Reagan-National

Sun 5/4

08:20-08:50

2 stops19h 30m

£595

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 12/11

12:25-19:30

1 stop12h 05m

Washington, D.C. Dulles Intl

Mon 17/11

17:05-15:35

1 stop17h 30m

£826

SouthamptonWashington, D.C.

SOU - IAD

SOUIAD

Southampton Eastleigh

Sun 14/12

09:30-19:30

1 stop15h 00m

Washington, D.C. Dulles Intl

Sun 21/12

21:00-15:35

1 stop13h 35m

£1,004

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 12/12

08:40-22:57

2 stops19h 17m

Washington, D.C. Reagan-National

Fri 19/12

11:13-08:50

2 stops16h 37m

£1,204

SouthamptonWashington, D.C.

SOU - DCA

SOUDCA

Southampton Eastleigh

Fri 12/12

08:00-22:57

3 stops19h 57m

Washington, D.C. Reagan-National

Fri 19/12

14:55-17:00

3 stops21h 05m

£1,381

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 13 results
1
2

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 return 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 £229). Flying from Southampton to District of Columbia in July is currently the most expensive (average of £482). 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.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated 29 October 2025.
Get a feel of what it's like to fly with Aer Lingus from Southampton to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.2
Good
1,361 reviews
Check prices

Boarding

7.4

Overall

7.2

Comfort

7.1

Food

6.6

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
6.0
Good

David,Oct 2025

DUB - IAD

Two issues... 1. The Aer Lingus check-in counter in Lisbon did not open until 90 minutes prior to the flight. Huge line of customers waiting to check-in and very time consuming. Plus, having to clear security, passport control, and take the shuttle bus to the plane takes a long time. Consequently, the flight was delayed due to passengers not being able to get to the gate on time. I showed up four hours early but had to wait for over two hours just for the check-in counter to open. Many passengers complaining about the same issue. VERY STRESSFUL! 2. During the flight from Dublin to Washington (Flight EI 119 on October 25, 2025) one of the flight attendants (Glen) was quite rude to a parent of a non-verbal autistic child. At one point I heard him say in a nasty tone, "You have three seconds to put your bag under the seat or I will take it and check it. 3, 2, 1!" I did not speak to the flight attendant because I was afraid he would kick me off the flight. Very unpleasant to everyone before take off also while instructing them to put the seats up and bags under. Beyond being firm and actually nasty and rude. A little interpersonal communication training could help this man.
Aer Lingus
7.2
Good
1,361 reviews
Aer Lingus
7.2
Good
1,361 reviews
Check prices

Boarding

7.4

Overall

7.2

Comfort

7.1

Food

6.6

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
6.0
Good

David,Oct 2025

DUB - IAD

Two issues... 1. The Aer Lingus check-in counter in Lisbon did not open until 90 minutes prior to the flight. Huge line of customers waiting to check-in and very time consuming. Plus, having to clear security, passport control, and take the shuttle bus to the plane takes a long time. Consequently, the flight was delayed due to passengers not being able to get to the gate on time. I showed up four hours early but had to wait for over two hours just for the check-in counter to open. Many passengers complaining about the same issue. VERY STRESSFUL! 2. During the flight from Dublin to Washington (Flight EI 119 on October 25, 2025) one of the flight attendants (Glen) was quite rude to a parent of a non-verbal autistic child. At one point I heard him say in a nasty tone, "You have three seconds to put your bag under the seat or I will take it and check it. 3, 2, 1!" I did not speak to the flight attendant because I was afraid he would kick me off the flight. Very unpleasant to everyone before take off also while instructing them to put the seats up and bags under. Beyond being firm and actually nasty and rude. A little interpersonal communication training could help this man.

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?

    For a flight from Southampton to District of Columbia, you will be flying from Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city.

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

    There are many flights that can get you from Southampton to District of Columbia in 11h 15m. Fly via Virgin Atlantic or Delta to get the fastest option. The distance from Southampton to District of Columbia is about 3639 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 holiday 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 £229). Flying from Southampton to District of Columbia in July is currently the most expensive (average of £482). 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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Yes, Cheapflights offers price alerts on Southampton to District of Columbia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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