Cheap flights from Southampton to Washington

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1 adult
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Sat 29/1
Sat 5/2

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

To save up to 27% on this flight, we recommend booking at least 34 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 Dulles Intl Airport from £540 1-2 weeks out and tickets from £631 for flights departing within the next 72 hours.

What is the cheapest month to fly from Southampton to Washington Dulles Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Washington Dulles Intl Airport. Flights to Washington Dulles Intl Airport from Southampton in February are about £494 on average during February, but can be found for as low as £330.

When is the cheapest time to fly from Southampton to Washington 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 Dulles Intl Airport as you normally would.

Cheap flights from Southampton to Dulles Intl in January, February 2022

The best prices found for SOU to IAD flights in January, February
28 Jan - 20 Feb
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

2 stops

31h 45m
IAD

Washington Dulles Intl

SOU

Southampton Eastleigh

1 stop

13h 00m
£563

Multiple Airlines

View Deal

Deal found 1/21/22

31 Jan - 19 Feb
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

2 stops

31h 40m
IAD

Washington Dulles Intl

SOU

Southampton Eastleigh

1 stop

13h 00m
£573

Multiple Airlines

View Deal

Deal found 1/21/22

31 Jan - 19 Feb
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

2 stops

31h 40m
IAD

Washington Dulles Intl

SOU

Southampton Eastleigh

1 stop

13h 00m
£579

Multiple Airlines

View Deal

Deal found 1/21/22

Southampton to Dulles Intl 2022 flight deals

Cheap flights to Dulles Intl from Southampton found for this year
23 Mar - 28 Mar
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

2 stops

31h 55m
IAD

Washington Dulles Intl

SOU

Southampton Eastleigh

2 stops

29h 17m
£388

Multiple Airlines

View Deal

Deal found 1/21/22

23 Mar - 28 Mar
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

2 stops

31h 55m
IAD

Washington Dulles Intl

SOU

Southampton Eastleigh

3 stops

29h 17m
£392

Multiple Airlines

View Deal

Deal found 1/21/22

7 Apr - 12 Apr
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

2 stops

51h 04m
IAD

Washington Dulles Intl

SOU

Southampton Eastleigh

3 stops

29h 17m
£416

Multiple Airlines

View Deal

Deal found 1/21/22

Last-minute flights from Southampton to Dulles Intl

Late deals on return flights to Dulles Intl from Southampton, departing today and this week
31 Jan - 19 Feb
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

2 stops

31h 40m
IAD

Washington Dulles Intl

SOU

Southampton Eastleigh

1 stop

13h 00m
£573

Multiple Airlines

View Deal

Deal found 1/21/22

31 Jan - 19 Feb
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

2 stops

31h 40m
IAD

Washington Dulles Intl

SOU

Southampton Eastleigh

1 stop

13h 00m
£579

Multiple Airlines

View Deal

Deal found 1/21/22

30 Jan - 20 Feb
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

2 stops

31h 30m
IAD

Washington Dulles Intl

SOU

Southampton Eastleigh

1 stop

13h 00m
£586

Multiple Airlines

View Deal

Deal found 1/21/22

One-way flights to Washington Dulles Intl from Southampton

The cheapest one-way flights from Southampton to Dulles Intl
26 Mar
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

3 stops

27h 45m
£300

Multiple Airlines

View Deal

Deal found 1/22/22

24 Mar
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

3 stops

39h 55m
£301

Multiple Airlines

View Deal

Deal found 1/22/22

28 Mar
SOU

Southampton Eastleigh

IAD

Washington Dulles Intl

3 stops

47h 30m
£364

Multiple Airlines

View Deal

Deal found 1/22/22

Related info for your journey

Useful info, stats and facts about Southampton to Dulles Intl flights.

What airport do you fly from for flights from Southampton to Washington Dulles Intl?

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

Can I find flights from Southampton to Washington Dulles Intl Airport for under £400 on Cheapflights?

Yes, there are multiple flights from Southampton to Washington Dulles Intl Airport for under £400. The cheapest flight booked recently is on Multiple Airlines for just £388, but on average you can expect to pay £1,545.

Are there last-minute flights available from Southampton to Washington Dulles Intl Airport for under £600?

There are currently 6+ open flights from Southampton to Washington Dulles Intl Airport within the next 7 days for less than £600.

What are the cheapest airlines to fly from Southampton to Washington Dulles Intl Airport one-way?

£508 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Air France and Delta, with prices starting from £511 and £547, respectively.

Can I fly to Washington Dulles Intl from Southampton Eastleigh right now?

Information is based on travel restrictions from Southampton Eastleigh to Washington Dulles Intl

Most visitors from Southampton Eastleigh need to provide a negative COVID-19 test result and/or quarantine to enter Washington Dulles Intl.

COVID-19 testing requirements
Visitors from Southampton Eastleigh must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Washington Dulles Intl.

Quarantine requirements
Visitors from Southampton Eastleigh are not required to quarantine after entering Washington Dulles Intl.

Can I fly back to Southampton Eastleigh from Washington Dulles Intl?

Returning to Southampton Eastleigh from Washington Dulles Intl

COVID-19 testing requirements
Visitors from Washington Dulles Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 48 hours before departing to Southampton Eastleigh.

Quarantine requirements
Visitors from Washington Dulles Intl are not required to quarantine after entering Southampton Eastleigh.

Alternative routes for Southampton to Dulles Intl

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