What is the cheapest month to book a flight from London Southend Airport to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from London Southend Airport to District of Columbia (average of $241). Flying from London Southend Airport to District of Columbia in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

If weather is an important factor for your trip to District of Columbia, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

How far in advance should I book a flight from London Southend Airport to District of Columbia?

Users have found that booking a flight from London Southend Airport to District of Columbia at least 52 days early can save you up to 46% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from London Southend Airport to District of Columbia for as little as $742 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,123 for flights departing within the next 3 days.

What is the cheapest month to fly from London Southend Airport to District of Columbia?

The best pricing can be found in the month of February. Prices to District of Columbia from London Southend Airport average $739. You can even find prices in February for less than $739, as users have found deals to District of Columbia from as low as $305. The month of July appears to be one of the more expensive times to travel to District of Columbia from London Southend Airport. Flying in the targeted month can save you up to 23%.

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

When flying from London Southend Airport to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

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

$558+ Flights from London Southend Airport to District of Columbia

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Cheap flight deals from Southend to District of Columbia

Round-trip from	$1,113 (Mytrip)
One-way from	$558 (Mytrip)
Popular in	July
Cheapest in	February
Average price	$912

From London Southend to District of Columbia

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One-way flight from London Southend to District of Columbia

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Highest demand for flights based on searches. 13% potential increase in price ($110 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Cheapest flights from Southend to District of Columbia
Explore the most affordable flight options available from Southend to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Fri 12/1210:45 amSEN - IAD

3 stops34h 09mMultiple Airlines

Fri 1/26:05 pmIAD - SEN

1 stop10h 55mMultiple Airlines

Deal found 7/29

$1,113

Best flights from Southend to District of Columbia
Discover carefully curated flight deals from Southend to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Fri 12/1210:45 amSEN - IAD

3 stops34h 09mMultiple Airlines

Fri 1/26:05 pmIAD - SEN

1 stop10h 55mMultiple Airlines

Deal found 7/29

$1,113

Last-minute flights from Southend to District of Columbia
Discover last-minute flight deals from Southend to District of Columbia. Data last updated July 31, 2025 and is based on user searches.

Fri 8/16:30 amSEN - IAD

2 stops17h 35mMultiple Airlines

Mon 8/45:45 pmIAD - SEN

2 stops14h 45mMultiple Airlines

Deal found 7/29

$1,675

One-way flights from Southend to District of Columbia
Search for one-way flight options from Southend to District of Columbia. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Mon 10/66:30 amSEN - IAD

2 stops19h 20mMultiple Airlines

Deal found 7/30

$558

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Fri 12/12

10:45 am-3:54 pm

3 stops34h 09m

Washington, D.C. Dulles Intl

Fri 1/2

6:05 pm-10:00 am

1 stop10h 55m

$1,113

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Mon 10/6

6:30 am-8:50 pm

2 stops19h 20m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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

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

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

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Related info for your journey

Can I find deals for flights from Southend to District of Columbia that include hotel bookings?
Yes. In addition to deals on Southend to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Southend to District of Columbia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southend to District of Columbia.
Can I find deals for business class flights from Southend to District of Columbia?
Yes. Cheapflights offers flight deals from Southend to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Southend Airport to District of Columbia?
Currently, August is the cheapest month in which you can book a flight from London Southend Airport to District of Columbia (average of $241). Flying from London Southend Airport to District of Columbia in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$558+ Cheap flights from Southend (SEN) to District of Columbia

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Southend to District of Columbia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Southend to District of Columbia

Keep the following information in mind while searching for Southend to District of Columbia flight deals. Data was last updated July 31, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Southend to District of Columbia

Cheapest flights from Southend to District of ColumbiaExplore the most affordable flight options available from Southend to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Southend to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

Related info for your journey

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

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

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

What is the cheapest month to book a flight from London Southend Airport to District of Columbia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southend to District of Columbia

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Cheapest flights from Southend to District of Columbia
Explore the most affordable flight options available from Southend to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.