In terms of precipitation, rainfall in London Southend Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Southend Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Southend Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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

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

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

Yes. In addition to deals on District of Columbia to Southend flights, Cheapflights offers vacation packages that include both flights and hotel.

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

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

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

Yes. Cheapflights offers flight deals from District of Columbia 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.

$344+ Flights from District of Columbia to London Southend Airport

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Cheap flight deals from District of Columbia to Southend

Cheapest flights from District of Columbia to Southend
Explore the most affordable flight options available from District of Columbia to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Wed 3/47:40 pm

IAD

SEN

2 stops20h 20m

Multiple Airlines

Mon 3/97:15 am

SEN

IAD

2 stops16h 15m

Multiple Airlines

Deal found 1/25

$611

Thu 3/127:50 pm

IAD

SEN

1 stop13h 00m

Multiple Airlines

Thu 3/196:05 pm

SEN

IAD

2 stops48h 10m

Multiple Airlines

Deal found 1/26

$1,375

Best flights from District of Columbia to Southend
Discover carefully curated flight deals from District of Columbia to Southend that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 27, 2026.

Wed 3/47:40 pm

IAD

SEN

2 stops20h 20m

Multiple Airlines

Mon 3/97:15 am

SEN

IAD

2 stops16h 15m

Multiple Airlines

Deal found 1/25

$611

Thu 3/127:50 pm

IAD

SEN

1 stop13h 00m

Multiple Airlines

Thu 3/196:05 pm

SEN

IAD

2 stops48h 10m

Multiple Airlines

Deal found 1/26

$1,375

Last-minute flights from District of Columbia to Southend
Discover last-minute flight deals from District of Columbia to Southend. Data last updated January 27, 2026 and is based on user searches.

Sun 2/157:40 pm

IAD

SEN

2 stops14h 10m

Multiple Airlines

Tue 3/37:35 am

SEN

IAD

2 stops15h 55m

Multiple Airlines

Deal found 1/27

$686

One-way flights from District of Columbia to Southend
Search for one-way flight options from District of Columbia to Southend. Find affordable one-way fares based on user searches. Data last updated January 27, 2026.

Mon 2/95:30 pm

IAD

SEN

3 stops42h 00m

Multiple Airlines

Deal found 1/25

$344

Mon 3/25:30 pm

IAD

SEN

2 stops21h 15m

Multiple Airlines

Deal found 1/26

$345

Mon 3/98:40 pm

IAD

SEN

3 stops33h 20m

Multiple Airlines

Deal found 1/26

$349

Sat 2/75:30 pm

IAD

SEN

3 stops36h 00m

Multiple Airlines

Deal found 1/26

$352

Tue 2/245:30 pm

IAD

SEN

2 stops37h 30m

Multiple Airlines

Deal found 1/26

$355

Sun 2/110:30 pm

IAD

SEN

3 stops42h 55m

Multiple Airlines

Deal found 1/26

$357

Sun 2/157:40 pm

IAD

SEN

3 stops43h 05m

Multiple Airlines

Deal found 1/25

$358

Tue 2/35:30 pm

IAD

SEN

2 stops37h 30m

Multiple Airlines

Deal found 1/26

$367

Tue 2/248:00 am

DCA

SEN

3 stops33h 55m

Multiple Airlines

Deal found 1/25

$369

Wed 4/88:30 pm

IAD

SEN

2 stops19h 55m

Multiple Airlines

Deal found 1/27

$372

Tue 4/147:00 am

DCA

SEN

3 stops34h 20m

Multiple Airlines

Deal found 1/26

$385

Wed 4/2912:59 pm

DCA

SEN

3 stops19h 01m

Multiple Airlines

Deal found 1/27

$459

Find flight deals from District of Columbia to Southend

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$611 (Mytrip)
One-way from	$344 (Kiwi.com)
Popular in	June
Cheapest in	September
Average price	$643

Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.

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From District of Columbia to London Southend

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One-way flight from District of Columbia to London Southend

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Highest demand for flights based on searches. 11% potential increase in price ($95 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).

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Average for round-trip flights in January 2026

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Wed 3/4

7:40 pm-9:00 pm

2 stops20h 20m

London Southend

Mon 3/9

7:15 am-7:30 pm

2 stops16h 15m

$611

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Thu 3/12

7:50 pm-12:50 pm

1 stop13h 00m

London Southend

Thu 3/19

6:05 pm-2:15 pm

2 stops48h 10m

$1,375

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Mon 2/9

5:30 pm-4:30 pm

3 stops42h 00m

$344

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Mon 3/2

5:30 pm-7:45 pm

2 stops21h 15m

$345

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Wed 3/18

6:20 am-9:00 pm

3 stops34h 40m

$348

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sat 2/7

5:30 pm-10:30 am

3 stops36h 00m

$352

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Mon 3/9

6:30 pm-7:45 pm

2 stops21h 15m

$352

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Mon 3/23

6:30 pm-7:45 pm

2 stops21h 15m

$355

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Tue 2/24

5:30 pm-12:00 pm

2 stops37h 30m

$355

Washington, D.C.London

IAD - SEN

IADSEN

Washington, D.C. Dulles Intl

Sun 2/15

7:40 pm-7:45 pm

3 stops43h 05m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 22 results

Best time to book a flight from District of Columbia to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from District of Columbia 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.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to London Southend Airport

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

Related info for your journey

Can I find deals for flights from District of Columbia to Southend that include hotel bookings?
Yes. In addition to deals on District of Columbia to Southend flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from District of Columbia to Southend?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Southend.
Can I find deals for business class flights from District of Columbia to Southend?
Yes. Cheapflights offers flight deals from District of Columbia 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.

Ilford

Hounslow

Southend-on-Sea

Harrow

Croydon

Eastleigh

Gatwick

Dartford

Dover

Winchester

Orpington

Watford

Hayes

Borehamwood

Aylesbury

Chipping Norton

Horley

Kingston upon Thames

Eastbourne

Sutton

Browse thousands of different options on Cheapflights for your next trip

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$344+ Cheap flights from District of Columbia 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from District of Columbia to Southend with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from District of Columbia to Southend

Cheapest flights from District of Columbia to SouthendExplore the most affordable flight options available from District of Columbia to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Explore the most affordable flight options available from District of Columbia to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

Find flight deals from District of Columbia to Southend

Keep the following information in mind while searching for District of Columbia to Southend flight deals. Data was last updated January 27, 2026.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from District of Columbia to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from District of Columbia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to London Southend Airport

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia to Southend that include hotel bookings?

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

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

Traveling to a place near London Southend Airport?

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Cheapest flights from District of Columbia to Southend
Explore the most affordable flight options available from District of Columbia to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.