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Cheap flights from London Southend Airport to Washington, D.C. Dulles Intl Airport from £370

SEN — IAD
2 Nov — 9 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southend to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Southend to Dulles Intl

Sat 14/1106:50 -
2 stops18h 15m
Mon 16/1118:00 -
2 stops23h 25m
Deal found 1/10£659
Wed 30/915:40 -
2 stops28h 30m
Tue 13/1017:05 -
2 stops24h 15m
Deal found 29/9£724
Sun 20/1215:35 -
2 stops31h 55m
Tue 29/1219:40 -
2 stops18h 40m
Deal found 30/9£728
Wed 30/1207:10 -
2 stops16h 20m
Wed 6/119:40 -
2 stops17h 55m
Deal found 3/10£790
Wed 7/1008:25 -
2 stops34h 50m
Fri 9/1021:00 -
2 stops19h 45m
Deal found 1/10£844
Tue 6/1020:25 -
2 stops29h 10m
Sat 10/1017:05 -
2 stops25h 15m
Deal found 3/10£897
Tue 29/1208:15 -
1 stop12h 30m
Thu 7/117:45 -
1 stop11h 15m
Deal found 30/9£909
Wed 23/1207:10 -
2 stops16h 20m
Sun 3/119:40 -
2 stops13h 55m
Deal found 1/10£911
Tue 22/1215:30 -
2 stops34h 00m
Sat 2/119:40 -
2 stops21h 35m
Deal found 2/10£939
Fri 6/1107:35 -
1 stop13h 20m
Sun 8/1119:45 -
2 stops14h 05m
Deal found 3/10£990
Wed 23/1207:10 -
2 stops16h 20m
Sat 2/119:40 -
2 stops18h 05m
Deal found 1/10£1,012
Tue 22/1208:15 -
1 stop12h 30m
Fri 1/118:15 -
1 stop10h 40m
Deal found 2/10£1,016

Find flight deals from Southend to Dulles Intl

Round-trip from

£659

One-way from

£370

Popular in

June

Cheapest in

February

Average price

£519
14/11-16/11
  • 14/11-16/11
  • 4 total stops
  • 41h 40m total
  • London to Washington, D.C.
Search Deals
22/10-31/12
  • 22/10-31/12
  • 3 total stops
  • 38h 15m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£39 potential increase over avg. return price).
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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 London Southend Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Sat 16/1

17:00-19:05

2 stops31h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£373

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Thu 17/12

07:00-19:05

3 stops41h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£374

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Fri 20/11

08:30-15:15

3 stops35h 45m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£377

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Wed 14/10

08:25-05:20

2 stops25h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£379

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Mon 30/11

07:05-16:20

3 stops38h 15m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£383

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Mon 22/3

16:20-15:40

3 stops27h 20m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£392

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Tue 13/10

06:30-15:10

2 stops37h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£403

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Tue 20/10

06:30-15:10

2 stops37h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£405

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Fri 30/10

20:10-05:30

3 stops37h 20m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£417

LondonWashington, D.C.

SEN London Southend - IAD Washington, D.C. Dulles Intl

SENIAD

London Southend

Mon 14/12

12:20-14:40

3 stops31h 20m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£424

Flights are sorted by cheapest return flights first.

Deals found on 2/10

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Southend to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Southend with our price prediction graph.
Estimated return price

Related info for your journey

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southend 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.

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Alexandria
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Glen Burnie
Springfield
Sterling

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

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