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 12h 15m. Fly via KLM 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.

In terms of precipitation, rainfall in District of Columbia ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit District of Columbia when rainfall is around 66.0 mm.

If weather is an important factor for your trip to District of Columbia, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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

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

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 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.

£374+ Cheap Flights from Southampton to District of Columbia

Cheap flight deals from Southampton to District of Columbia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 10 October 2026.

Thu 29/1008:40 -

1 stop12h 15m

Thu 5/1112:20 -

2 stops14h 50m

Deal found 6/10£571

Thu 29/1008:40 -

1 stop12h 05m

Thu 5/1117:45 -

1 stop9h 25m

Deal found 5/10£573

Tue 24/1108:40 -

1 stop12h 05m

Tue 1/1217:45 -

1 stop9h 25m

Deal found 10/10£624

Mon 23/1108:40 -

2 stops19h 41m

Mon 30/1118:20 -

2 stops17h 45m

Deal found 9/10£632

Sun 22/1109:30 -

2 stops18h 51m

Sun 29/1117:45 -

1 stop9h 25m

Deal found 8/10£633

Tue 24/1108:40 -

2 stops19h 41m

Tue 1/1212:35 -

2 stops14h 35m

Deal found 10/10£660

Find flight deals from Southampton to District of Columbia

Round-trip from	£571
One-way from	£374
Popular in	June
Cheapest in	February
Average price	£518

KLM
29/10-5/11
3 total stops
27h 05m total
Southampton to District of Columbia

Search Deals

Aer Lingus
23/11-31/12
1 total stop
15h 00m total
Southampton to District of Columbia

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£38 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Mon 23/11

09:20-19:20

1 stop15h 00m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£374

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Sun 29/11

20:00-15:45

1 stop24h 45m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£474

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Thu 29/10

08:40-16:55

1 stop12h 15m

Washington, D.C. Dulles Intl

Thu 5/11

12:20-08:10

2 stops14h 50m

£571

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Thu 19/11

08:40-23:21

2 stops19h 41m

Washington, D.C. Dulles Intl

Thu 26/11

11:37-08:10

2 stops15h 33m

£576

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Thu 29/10

08:40-23:16

2 stops18h 36m

Washington, D.C. Dulles Intl

Thu 5/11

12:20-08:10

2 stops14h 50m

£576

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Sun 28/3

15:00-15:50

2 stops29h 50m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£579

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Tue 24/11

08:40-15:45

1 stop12h 05m

Washington, D.C. Dulles Intl

Tue 1/12

17:45-08:10

1 stop9h 25m

£624

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Mon 23/11

08:40-15:55

1 stop12h 15m

Washington, D.C. Dulles Intl

Mon 30/11

18:15-17:05

1 stop17h 50m

£625

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Sun 22/11

09:30-15:45

1 stop11h 15m

Washington, D.C. Dulles Intl

Sun 29/11

17:45-08:10

1 stop9h 25m

£626

SouthamptonWashington, D.C.

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

SOUIAD

Southampton Eastleigh

Thu 5/11

08:40-15:45

1 stop12h 05m

Washington, D.C. Dulles Intl

Thu 12/11

10:11-08:10

2 stops16h 59m

£626

Flights are sorted by cheapest return flights first.

Deals found on 8/10

Showing 1-10 of 13 resultsSorted by cheapest first

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.

SOU-IAD

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

SOU-USDC

SOU-IAD

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing District of Columbia

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

7.3

Good

1,817 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Aer Lingus

7.3

Good

1,817 reviews

Aer Lingus

7.3

Good

1,817 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Related info for your journey

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 12h 15m. Fly via KLM 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.

See more FAQs

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Top airline flying from Southampton to District of Columbia

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£458	Average£600	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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

When you search for this flight from Southampton to District of Columbia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to District of Columbia from Southampton 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 Southampton to District of Columbia with no change fees?

Yes! Cheapflights helps users easily find flights from Southampton to District of Columbia with no change fees.

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

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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Cheap flights from Southampton to District of Columbia from £374

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to District of Columbia

Cheapest flights from Southampton to District of ColumbiaExplore 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 10 October 2026.

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 10 October 2026.

Best flights from Southampton to District of ColumbiaDiscover carefully curated flight deals from Southampton to District of Columbia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Discover carefully curated flight deals from Southampton to District of Columbia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from Southampton to District of ColumbiaDiscover last-minute flight deals from Southampton to District of Columbia. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from Southampton to District of Columbia. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Southampton to District of ColumbiaSearch for one-way flight options from Southampton to District of Columbia. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Search for one-way flight options from Southampton to District of Columbia. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Find flight deals from Southampton to District of Columbia

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Cheapflights Fare Finder

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

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.

Cheapflights Insights

Reviews of airlines servicing District of Columbia

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.

Related info for your journey

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton to District of Columbia

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Complete your trip

Complete your trip to District of Columbia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from Southampton to District of Columbia by cabin class

Find flights from Southampton to District of Columbia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southampton and District of Columbia flights

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Top airline flying from Southampton to District of Columbia

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

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

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

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

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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 10 October 2026.

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 stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from Southampton to District of Columbia
Discover last-minute flight deals from Southampton to District of Columbia. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Southampton to District of Columbia
Search for one-way flight options from Southampton to District of Columbia. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.