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Cheap flights from Southampton to Washington, D.C. Dulles Intl Airport from £367

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 26/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SOU — IAD
30 Apr — 7 May1
1 adult
Tue 30/4
Tue 7/5

What is the cheapest day to fly round-trip from Southampton to Washington, D.C. Dulles Intl Airport?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C. Dulles Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Southampton to Washington, D.C. Dulles Intl Airport?

To save up to 31% on this flight, we recommend booking at least 57 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Southampton to Washington, D.C. Dulles Intl Airport from £553 1-2 weeks out and tickets from £613 for flights departing within the next 72 hours.

What is the cheapest month to fly from Southampton to Washington, D.C. Dulles Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, September can be a great choice for travel to Washington, D.C. Dulles Intl Airport. Flights to Washington, D.C. Dulles Intl Airport from Southampton in September are about £531 on average during September, but can be found for as low as £282.

When is the cheapest time to fly from Southampton to Washington, D.C. Dulles Intl Airport (SOU - IAD)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Washington, D.C. Dulles Intl Airport as you normally would.

Cheap British Airways flights from Southampton to Dulles Intl

Explore cheap flight options specifically provided by British Airways for the route between Southampton and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 25 April 2024.
Peruse some of the lowest-priced British Airways flights we've found from Southampton to Washington, D.C.. Deals update often to give you more flight options matching your criteria
Sat 20/709:55SOU - IAD
2 stops15h 35mBritish Airways
Sun 21/722:50IAD - SOU
2 stops15h 35mBritish Airways
Deal found 24/4£1,037
Sat 20/709:55SOU - IAD
2 stops15h 35mBritish Airways
Sun 21/720:40IAD - SOU
1 stop17h 50mBritish Airways
Deal found 24/4£1,073
Mon 29/719:55SOU - IAD
2 stops24h 45mBritish Airways
Tue 13/814:05IAD - SOU
2 stops14h 05mBritish Airways
Deal found 25/4£1,182
Mon 29/719:55SOU - IAD
2 stops24h 45mBritish Airways
Mon 12/817:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 25/4£1,183
Tue 30/708:40SOU - IAD
2 stops16h 50mBritish Airways
Thu 15/817:55IAD - SOU
2 stops13h 05mBritish Airways
Deal found 25/4£1,186
Tue 30/708:40SOU - IAD
2 stops16h 50mBritish Airways
Thu 15/820:40IAD - SOU
1 stop17h 50mBritish Airways
Deal found 25/4£1,192
Sun 28/709:55SOU - IAD
2 stops15h 40mBritish Airways
Wed 14/814:05IAD - SOU
2 stops14h 05mBritish Airways
Deal found 25/4£1,211
Sun 28/709:55SOU - IAD
2 stops15h 40mBritish Airways
Mon 12/817:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 25/4£1,213
Mon 29/719:55SOU - IAD
2 stops24h 45mBritish Airways
Wed 14/817:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 25/4£1,215

Cheap Delta flights from Southampton to Dulles Intl

Explore cheap flight options specifically provided by Delta for the route between Southampton and Dulles Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 25 April 2024.
Some of the lowest-priced Delta flights we've found at this time heading from Southampton to Washington, D.C.. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 25/907:55SOU - IAD
2 stops36h 35mDelta
Sun 29/916:55IAD - SOU
2 stops33h 30mDelta
Deal found 24/4£653
Wed 25/907:55SOU - IAD
1 stop13h 05mDelta
Sun 29/916:55IAD - SOU
2 stops33h 30mDelta
Deal found 24/4£659
Wed 25/907:55SOU - IAD
1 stop13h 05mDelta
Sun 29/917:25IAD - SOU
1 stop18h 25mDelta
Deal found 24/4£684

Cheap Southampton to Dulles Intl flights in April & May 2024

Find cheap flight options from Southampton to Dulles Intl specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 925,685 searches. Prices were last updated on 25 April 2024.
Check out some of the best flight deals from Southampton to Washington, D.C. in 2024. Check back soon for alternative fares.
Mon 29/420:00SOU - IAD
1 stop24h 40mAer Lingus
Mon 6/520:40IAD - SOU
1 stop31h 30mAer Lingus
Deal found 24/4£896
Mon 29/420:00SOU - IAD
2 stops29h 30mAer Lingus
Mon 6/520:40IAD - SOU
1 stop31h 30mAer Lingus
Deal found 24/4£987
Thu 25/419:40SOU - IAD
2 stops26h 46mDelta
Mon 29/406:00IAD - SOU
2 stops20h 25mDelta
Deal found 23/4£1,066
Thu 25/407:55SOU - IAD
1 stop12h 40mVirgin Atlantic
Mon 29/417:25IAD - SOU
1 stop20h 45mVirgin Atlantic
Deal found 23/4£1,068
Mon 29/420:00SOU - IAD
2 stops24h 35mBritish Airways
Mon 6/517:55IAD - SOU
2 stops13h 05mBritish Airways
Deal found 24/4£1,132
Thu 9/508:40SOU - IAD
2 stops16h 50mBritish Airways
Thu 16/517:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 25/4£1,287
Thu 9/509:40SOU - IAD
1 stop11h 00mBritish Airways
Thu 16/517:10IAD - SOU
1 stop11h 00mBritish Airways
Deal found 25/4£1,533
Thu 23/508:40SOU - IAD
2 stops16h 50mBritish Airways
Tue 28/522:45IAD - SOU
2 stops15h 40mBritish Airways
Deal found 25/4£1,853
Thu 9/508:40SOU - IAD
2 stops16h 50mBritish Airways
Thu 16/522:45IAD - SOU
2 stops15h 40mBritish Airways
Deal found 25/4£1,926

Southampton to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Southampton and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 25 April 2024.
Check out some of the best flight deals from Southampton to Washington, D.C. in 2024. Check back soon for alternative fares.
Wed 25/907:55SOU - IAD
2 stops36h 35mDelta
Sun 29/916:55IAD - SOU
2 stops33h 30mDelta
Deal found 24/4£653
Wed 25/907:55SOU - IAD
1 stop13h 05mDelta
Sun 29/916:55IAD - SOU
2 stops33h 30mDelta
Deal found 24/4£659
Wed 25/907:55SOU - IAD
1 stop13h 05mDelta
Sun 29/917:25IAD - SOU
1 stop18h 25mDelta
Deal found 24/4£684
Mon 29/420:00SOU - IAD
1 stop24h 40mAer Lingus
Mon 6/520:40IAD - SOU
1 stop31h 30mAer Lingus
Deal found 24/4£896
Mon 29/420:00SOU - IAD
2 stops29h 30mAer Lingus
Mon 6/520:40IAD - SOU
1 stop31h 30mAer Lingus
Deal found 24/4£987
Sat 20/709:55SOU - IAD
2 stops15h 35mBritish Airways
Sun 21/722:50IAD - SOU
2 stops15h 35mBritish Airways
Deal found 24/4£1,037
Thu 25/419:40SOU - IAD
2 stops26h 46mDelta
Mon 29/406:00IAD - SOU
2 stops20h 25mDelta
Deal found 23/4£1,066
Thu 25/407:55SOU - IAD
1 stop12h 40mVirgin Atlantic
Mon 29/417:25IAD - SOU
1 stop20h 45mVirgin Atlantic
Deal found 23/4£1,068
Sat 20/709:55SOU - IAD
2 stops15h 35mBritish Airways
Sun 21/720:40IAD - SOU
1 stop17h 50mBritish Airways
Deal found 24/4£1,073

One-way flights to Dulles Intl from Southampton

Search for one-way flight options from Southampton to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 25 April 2024.
If you're seeking multiple options on one-way flights from Southampton to Washington, D.C., be sure to check out these deals, which are updated often. Those seeking round-trip flights from Southampton to Washington, D.C. should utilise the search form at the top of the page.
Wed 26/609:15SOU - IAD
3 stops37h 25mMultiple Airlines
Deal found 23/4£367
Wed 26/620:00SOU - IAD
2 stops26h 40mMultiple Airlines
Deal found 23/4£507
Wed 26/607:55SOU - IAD
1 stop13h 05mKLM
Deal found 23/4£1,272
Mon 20/509:40SOU - IAD
1 stop14h 30mBritish Airways
Deal found 24/4£2,093
Mon 6/509:40SOU - IAD
1 stop14h 30mBritish Airways
Deal found 25/4£2,094
Sun 9/609:40SOU - IAD
1 stop11h 00mBritish Airways
Deal found 25/4£2,103
Mon 20/508:40SOU - IAD
2 stops16h 50mBritish Airways
Deal found 24/4£2,104
Mon 6/519:55SOU - IAD
2 stops24h 40mBritish Airways
Deal found 25/4£2,105
Tue 7/508:40SOU - IAD
2 stops16h 50mBritish Airways
Deal found 25/4£2,109

Find flights from Southampton to Dulles Intl within your budget

Customise your flight search to find flights from Southampton to Dulles Intl 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 925,685 searches. Data last updated 25 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£653 - £1,192

Route

Depart

Return

Price

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 25/9

2 stops36h 35m

Washington, D.C. Dulles Intl

Sun 29/9

2 stops33h 30m

£653

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 25/9

1 stop13h 05m

Washington, D.C. Dulles Intl

Sun 29/9

2 stops33h 30m

£659

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Wed 25/9

1 stop13h 05m

Washington, D.C. Dulles Intl

Sun 29/9

1 stop18h 25m

£684

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Sat 20/7

2 stops15h 35m

Washington, D.C. Dulles Intl

Sun 21/7

2 stops15h 35m

£1,037

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Sat 20/7

2 stops15h 35m

Washington, D.C. Dulles Intl

Sun 21/7

1 stop17h 50m

£1,073

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 29/7

2 stops24h 45m

Washington, D.C. Dulles Intl

Tue 13/8

2 stops14h 05m

£1,182

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Mon 29/7

2 stops24h 45m

Washington, D.C. Dulles Intl

Mon 12/8

1 stop11h 00m

£1,183

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Tue 30/7

2 stops16h 50m

Washington, D.C. Dulles Intl

Thu 15/8

2 stops13h 05m

£1,186

Southampton EastleighWashington, D.C. Dulles Intl

SOU - IAD

SOUIAD

Southampton Eastleigh

Tue 30/7

2 stops16h 50m

Washington, D.C. Dulles Intl

Thu 15/8

1 stop17h 50m

£1,192

Flights are sorted by cheapest first

Deals found on 24/4

When is the cheapest time to fly from Southampton to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly return from Southampton to Dulles Intl. Price data was last updated on 21 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Southampton to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 25 April 2024.
To help decide which airline to fly from Southampton to Washington, D.C., see what other customers have to say about British Airways and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very Good
10,975 reviews
Check prices

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very Good
10,975 reviews
Delta
8.1
Very Good
10,975 reviews
Check prices

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,628 reviews
Delta
8.1
Very Good
10,975 reviews
Check prices

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

British Airways
6.8
Okay
6,924 reviews
Delta
8.1
Very Good
10,975 reviews
Check prices

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Dulles Intl. 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 Washington, D.C. Dulles Intl?

    Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Washington, D.C. Dulles Intl. On average, Eastleigh has 0 outbound flights to Washington, D.C. Dulles Intl per day from 1 airline. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

  • Can I find flights from Southampton to Washington, D.C. Dulles Intl Airport for under £700 on Cheapflights?

    Yes, there are multiple flights from Southampton to Washington, D.C. Dulles Intl Airport for under £700. The cheapest flight booked recently is on Delta for just £653, but on average you can expect to pay £1,116.

  • What does SOU to IAD mean?

    Southampton Eastleigh Airport is SOU and Washington, D.C. Dulles Intl Airport is IAD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Southampton to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Southampton to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Southampton to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Southampton to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Southampton to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Southampton to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Dulles Intl?

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

  • Can I find deals for business class flights from Southampton to Dulles Intl?

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

  • Can I find deals for flights from Southampton to Dulles Intl that allow pets onboard?

    Many airlines flying from Southampton to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Southampton to Dulles Intl?

    Yes, you can often find last-minute deals on Southampton to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Southampton to Washington, D.C. Dulles Intl Airport flight deals updated?

    The Southampton to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 24/4.

See more FAQs

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Alternative routes for Southampton to Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from Southampton to Dulles Intl

Discover the top airline that operate flights from Southampton to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 925,685 searches. Data last updated 25 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£554Average£719FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
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Search flights from Southampton to Dulles Intl by cabin class

Find flights from Southampton to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

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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 Southampton to Dulles Intl?

Cheapflights makes it easy to find Southampton to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Dulles Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southampton to Dulles Intl.

Can Cheapflights find flights from Southampton to Dulles Intl with no change fees?

Need flexible booking options for your flight to Dulles Intl from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to Dulles Intl become cheaper?

Yes, Cheapflights offers price alerts on Southampton to Dulles Intl 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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