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Southend

$310+ Cheap flights from Dulles Intl (IAD) to Southend (SEN)

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SEN
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find flight deals from Dulles Intl to Southend

Cheapest flights from Dulles Intl to Southend
Explore the most affordable flight options available from Dulles Intl to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Mytrip deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:30 pmIAD - SEN
3 stops24h 35mMultiple Airlines
Tue 12/168:00 amSEN - IAD
3 stops42h 00mMultiple Airlines
Deal found 11/9$757
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:05 pmIAD - SEN
1 stop10h 05mMultiple Airlines
Tue 12/307:35 amSEN - IAD
1 stop13h 30mMultiple Airlines
Deal found 11/9$1,250
This Mytrip deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:05 pmIAD - SEN
2 stops14h 45mMultiple Airlines
Wed 12/247:10 amSEN - IAD
2 stops16h 20mMultiple Airlines
Deal found 11/9$1,783

Cheap flight deals from Dulles Intl to Southend

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Southend (SEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 10, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$666
(Mytrip)

One-way from

$310
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$776
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
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From Washington, D.C. Dulles Intl to London Southend
Search Deals
One-way flight from Washington, D.C. Dulles Intl to London Southend
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Southend 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 2,558,603 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to London Southend Airport that are best for you.

Fly from

Dulles Intl

Fly to

Southend

Route

Depart

Return

Price

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sun 2/15

7:40 pm-2:50 pm

2 stops14h 10m

London Southend

Sat 2/21

7:15 am-6:30 pm

2 stops16h 15m

$666

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 2/19

9:45 am-12:50 pm

2 stops22h 05m

London Southend

Sun 2/22

6:05 pm-3:50 pm

2 stops26h 45m

$698

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Tue 12/9

5:30 pm-11:05 pm

3 stops24h 35m

London Southend

Tue 12/16

8:00 am-9:00 pm

3 stops42h 00m

$757

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 12/25

6:05 pm-9:10 am

1 stop10h 05m

London Southend

Tue 12/30

7:35 am-4:05 pm

1 stop13h 30m

$1,250

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 12/18

5:05 pm-12:50 pm

2 stops14h 45m

London Southend

Wed 12/24

7:10 am-6:30 pm

2 stops16h 20m

$1,783

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Tue 12/9

5:30 pm-12:10 pm

3 stops37h 40m

$319

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sun 12/7

10:30 pm-1:50 pm

3 stops34h 20m

$328

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Fri 1/9

10:30 pm-12:15 pm

3 stops32h 45m

$348

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Wed 11/19

10:30 pm-11:40 am

3 stops32h 10m

$353

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sat 12/6

5:30 pm-2:50 pm

3 stops40h 20m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 12 results
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Best time to book a flight from Dulles Intl to Southend

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

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Southend. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

Traveling to a place near London Southend Airport?

Book flights to London Southend Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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