What are the cheapest airlines to fly from District of Columbia to Southampton one-way?

For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £326. Users have also found prices from £363 and £366 on Delta and KLM, respectively.

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

How far in advance should I book a flight from District of Columbia to Southampton?

To save up to 37% on this flight, we recommend booking at least 48 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from District of Columbia to Southampton from £588 1-2 weeks out and tickets from £684 for flights departing within the next 72 hours.

What is the cheapest month to fly from District of Columbia to Southampton?

The best pricing can be found in the month of January. Prices to Southampton from District of Columbia average £543. You can even find prices in January for less than £543, as users have found deals to Southampton from as low as £282. The month of June appears to be one of the more expensive times to travel to Southampton from District of Columbia. Flying in the targeted month can save you up to 30%.

What is the cheapest time of day to fly from DC to SOU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Southampton as you normally would.

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

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

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

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

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

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

£244+ Flights from District of Columbia to Southampton

Cheap flight deals from District of Columbia to Southampton

Round-trip from	£550
One-way from	£244
Popular in	June
Cheapest in	January
Average price	£621

18/8-25/8
4 total stops
53h 35m total
District of Columbia to Southampton

Search Deals

12/9
3 total stops
52h 55m total
District of Columbia to Southampton

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£59 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from District of Columbia to Southampton

Cheapest flights from District of Columbia to Southampton
Explore the most affordable flight options available from District of Columbia to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Mon 18/809:45IAD - SOU

2 stops28h 45mMultiple Airlines

Mon 25/820:00SOU - IAD

2 stops24h 50mMultiple Airlines

Deal found 3/7£550

Wed 6/817:25IAD - SOU

1 stop10h 20mDelta

Wed 20/809:20SOU - IAD

1 stop11h 15mDelta

Deal found 2/7£597

Mon 18/817:25IAD - SOU

1 stop10h 25mKLM

Mon 25/809:20SOU - IAD

1 stop11h 15mKLM

Deal found 3/7£598

Fri 7/1107:00DCA - SOU

2 stops20h 50mDelta

Tue 11/1109:00SOU - DCA

2 stops18h 04mDelta

Deal found 2/7£608

Mon 18/813:25DCA - SOU

2 stops14h 25mKLM

Mon 25/809:20SOU - DCA

2 stops14h 39mKLM

Deal found 3/7£609

Wed 6/807:02IAD - SOU

2 stops20h 43mVirgin Atlantic

Wed 20/809:20SOU - IAD

2 stops15h 23mVirgin Atlantic

Deal found 2/7£706

Wed 10/921:00IAD - SOU

1 stop14h 35mAer Lingus

Mon 29/920:00SOU - IAD

2 stops24h 00mAer Lingus

Deal found 3/7£711

Wed 6/812:55DCA - SOU

3 stops25h 35mMultiple Airlines

Wed 20/809:10SOU - DCA

3 stops30h 08mMultiple Airlines

Deal found 2/7£954

Tue 19/817:20IAD - SOU

1 stop9h 45mBritish Airways

Thu 28/819:55SOU - IAD

2 stops26h 35mBritish Airways

Deal found 3/7£1,542

Best flights from District of Columbia to Southampton
Discover carefully curated flight deals from District of Columbia to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 July 2025.

Mon 18/809:45IAD - SOU

2 stops28h 45mMultiple Airlines

Mon 25/820:00SOU - IAD

2 stops24h 50mMultiple Airlines

Deal found 3/7£550

Wed 6/817:25IAD - SOU

1 stop10h 20mDelta

Wed 20/809:20SOU - IAD

1 stop11h 15mDelta

Deal found 2/7£597

Mon 18/817:25IAD - SOU

1 stop10h 25mKLM

Mon 25/809:20SOU - IAD

1 stop11h 15mKLM

Deal found 3/7£598

Wed 6/807:02IAD - SOU

2 stops20h 43mVirgin Atlantic

Wed 20/809:20SOU - IAD

2 stops15h 23mVirgin Atlantic

Deal found 2/7£706

Wed 10/921:00IAD - SOU

1 stop14h 35mAer Lingus

Mon 29/920:00SOU - IAD

2 stops24h 00mAer Lingus

Deal found 3/7£711

Fri 7/1107:00DCA - SOU

2 stops20h 50mDelta

Tue 11/1109:00SOU - DCA

2 stops18h 04mDelta

Deal found 2/7£608

Mon 18/813:25DCA - SOU

2 stops14h 25mKLM

Mon 25/809:20SOU - DCA

2 stops14h 39mKLM

Deal found 3/7£609

Tue 19/817:20IAD - SOU

1 stop9h 45mBritish Airways

Thu 28/819:55SOU - IAD

2 stops26h 35mBritish Airways

Deal found 3/7£1,542

Wed 6/812:55DCA - SOU

3 stops25h 35mMultiple Airlines

Wed 20/809:10SOU - DCA

3 stops30h 08mMultiple Airlines

Deal found 2/7£954

Last-minute flights from District of Columbia to Southampton
Discover last-minute flight deals from District of Columbia to Southampton. Data last updated 4 July 2025 and is based on user searches.

Wed 9/717:20IAD - SOU

1 stop10h 20mBritish Airways

Thu 17/708:40SOU - IAD

2 stops16h 30mBritish Airways

Deal found 2/7£2,304

Wed 6/817:25IAD - SOU

1 stop10h 20mDelta

Wed 20/809:20SOU - IAD

1 stop11h 15mDelta

Deal found 2/7£597

Wed 6/814:55DCA - SOU

2 stops12h 50mKLM

Wed 20/809:20SOU - DCA

2 stops14h 32mKLM

Deal found 2/7£608

Wed 6/807:02IAD - SOU

2 stops20h 43mVirgin Atlantic

Wed 20/809:20SOU - IAD

2 stops15h 23mVirgin Atlantic

Deal found 2/7£706

Wed 6/812:55DCA - SOU

3 stops25h 35mMultiple Airlines

Wed 20/809:10SOU - DCA

3 stops30h 08mMultiple Airlines

Deal found 2/7£954

Mon 18/809:45IAD - SOU

2 stops28h 45mMultiple Airlines

Mon 25/820:00SOU - IAD

2 stops24h 50mMultiple Airlines

Deal found 3/7£550

Mon 18/817:25IAD - SOU

1 stop10h 25mKLM

Mon 25/809:20SOU - IAD

1 stop11h 15mKLM

Deal found 3/7£598

Tue 19/817:20IAD - SOU

1 stop9h 45mBritish Airways

Thu 28/819:55SOU - IAD

2 stops26h 35mBritish Airways

Deal found 3/7£1,542

Fri 22/820:25IAD - SOU

1 stop31h 10mAer Lingus

Sat 6/909:40SOU - IAD

1 stop11h 10mAer Lingus

Deal found 3/7£756

One-way flights from District of Columbia to Southampton
Search for one-way flight options from District of Columbia to Southampton. Find affordable one-way fares based on user searches. Data last updated 4 July 2025.

Fri 12/923:15IAD - SOU

3 stops52h 55mMultiple Airlines

Deal found 3/7£244

Wed 3/917:20IAD - SOU

1 stop10h 20mAer Lingus

Deal found 2/7£326

Wed 16/706:00DCA - SOU

3 stops32h 30mMultiple Airlines

Deal found 3/7£343

Fri 26/917:25IAD - SOU

1 stop10h 20mDelta

Deal found 3/7£363

Fri 26/914:50DCA - SOU

2 stops12h 55mKLM

Deal found 3/7£366

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 18/8

09:45-19:30

2 stops28h 45m

Southampton Eastleigh

Mon 25/8

20:00-15:50

2 stops24h 50m

£550

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 6/8

17:25-08:45

1 stop10h 20m

Southampton Eastleigh

Wed 20/8

09:20-15:35

1 stop11h 15m

£597

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 18/8

17:25-08:50

1 stop10h 25m

Southampton Eastleigh

Mon 25/8

09:20-15:35

1 stop11h 15m

£598

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Fri 7/11

07:00-08:50

2 stops20h 50m

Southampton Eastleigh

Tue 11/11

09:00-22:04

2 stops18h 04m

£608

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 18/8

13:25-08:50

2 stops14h 25m

Southampton Eastleigh

Mon 25/8

09:20-18:59

2 stops14h 39m

£609

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 6/8

07:02-08:45

2 stops20h 43m

Southampton Eastleigh

Wed 20/8

09:20-19:43

2 stops15h 23m

£706

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 10/9

21:00-16:35

1 stop14h 35m

Southampton Eastleigh

Mon 29/9

20:00-15:00

2 stops24h 00m

£711

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Wed 6/8

12:55-19:30

3 stops25h 35m

Southampton Eastleigh

Wed 20/8

09:10-10:18

3 stops30h 08m

£954

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Tue 19/8

17:20-08:05

1 stop9h 45m

Southampton Eastleigh

Thu 28/8

19:55-17:30

2 stops26h 35m

£1,542

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Fri 12/9

23:15-09:10

3 stops52h 55m

£244

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 14 results

Best time to book a flight from District of Columbia to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from District of Columbia 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 District of Columbia to Southampton

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

Currently, September is the cheapest month in which you can book a flight from District of Columbia to Southampton (average of £203). Flying from District of Columbia to Southampton in November is currently the most expensive (average of £262). 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.

How much does it cost for a return flight from District of Columbia to Southampton?

Reviews of airlines servicing Southampton

Check out reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from District of Columbia to Southampton to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,982 reviews

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,367 reviews

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

652 reviews

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Aer Lingus

7.1

Good

1,144 reviews

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

British Airways

6.6

Okay

7,093 reviews

Delta

8.0

Very Good

7,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Southampton from District of Columbia?
For a flight from District of Columbia to Southampton, you will be flying into Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city.
What are the cheapest airlines to fly from District of Columbia to Southampton one-way?
For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £326. Users have also found prices from £363 and £366 on Delta and KLM, respectively.
Can I find deals for flights from District of Columbia to Southampton that include hotel bookings?
Yes. In addition to deals on District of Columbia to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from District of Columbia to Southampton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Southampton.
Can I find deals for business class flights from District of Columbia to Southampton?
Yes. Cheapflights offers flight deals from District of Columbia to Southampton 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 District of Columbia to Southampton?
Currently, September is the cheapest month in which you can book a flight from District of Columbia to Southampton (average of £203). Flying from District of Columbia to Southampton in November is currently the most expensive (average of £262). 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

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from District of Columbia to Southampton?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from District of Columbia to Southampton. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from District of Columbia to Southampton?

Cheapflights helps you find that perfect flight to Southampton from District of Columbia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from District of Columbia to Southampton with no change fees?

Certainly. Search results for flights to Southampton from District of Columbia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from District of Columbia to Southampton become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from District of Columbia to Southampton from £244

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from District of Columbia to Southampton

Keep the following information in mind while searching for District of Columbia to Southampton flight deals. Data was last updated 4 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from District of Columbia to Southampton

Cheapest flights from District of Columbia to SouthamptonExplore the most affordable flight options available from District of Columbia to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from District of Columbia to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Southampton that are best for you.

Best time to book a flight from District of Columbia to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from District of Columbia with our price prediction graph.

Cheapflights Insights

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

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

How much does it cost for a return flight from District of Columbia to Southampton?

Reviews of airlines servicing Southampton

Check out reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from District of Columbia to Southampton to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Southampton. 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 into for flights to Southampton from District of Columbia?

What are the cheapest airlines to fly from District of Columbia to Southampton one-way?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Southampton

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from District of Columbia to Southampton?

Why should you use Cheapflights to find cheap flight tickets from District of Columbia to Southampton?

Can Cheapflights find flights from District of Columbia to Southampton with no change fees?

Can Cheapflights notify me if prices for flights from District of Columbia to Southampton become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from District of Columbia to Southampton
Explore the most affordable flight options available from District of Columbia to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.