HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$411+ Cheap flights from Southend (SEN) to Washington, D.C. (WAS)

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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — WAS
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Southend to Washington, D.C. with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Southend to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Southend (SEN) to Washington, D.C. (WAS). 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$625
(Mytrip)

One-way from

$411
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$679
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
Search Deals
From London Southend to Washington, D.C. (WAS)
Search Deals
One-way flight from London Southend to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Southend to Washington, D.C.

Cheapest flights from Southend to Washington, D.C.
Explore the most affordable flight options available from Southend to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This Mytrip deal was found by Cheapflights users on 3/25. 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.
Fri 5/91:35 pmSEN - IAD
2 stops35h 24mMultiple Airlines
Fri 5/1610:05 pmIAD - SEN
2 stops19h 55mMultiple Airlines
Deal found 3/25$625

Cheapflights Fare Finder

Customize your flight search to find flights from Southend to Washington, D.C. 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 March 26, 2025.
Use the filters below to find and compare flights from London Southend Airport to Washington, D.C. that are best for you.

Fly from

Southend

Fly to

Washington, D.C.

Route

Depart

Return

Price

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Fri 5/9

1:35 pm-7:59 pm

2 stops35h 24m

Washington, D.C. Dulles Intl

Fri 5/16

10:05 pm-11:00 pm

2 stops19h 55m

$625

LondonWashington, D.C.

SEN - IAD

SENIAD

London Southend

Sun 4/13

5:30 pm-7:05 pm

3 stops30h 35m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Best time to book a flight from Southend to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Cheapflights Insights

Everything you need to know about your flight from London Southend Airport to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. 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 Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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).

Related info for your journey

Find useful and relevant information for your journey from Southend to Washington, D.C.. 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 Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Southend to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Southend to Washington, D.C.?

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

  • Can I find deals for business class flights from Southend to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Southend to Washington, D.C. 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 Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from London Southend Airport to Washington, D.C. (average of $309). Flying from London Southend Airport to Washington, D.C. in June is currently the most expensive (average of $385). 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.

See more FAQs

Traveling to a place near London Southend Airport?

Book flights to London Southend Airport if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Woodbridge
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Bowie
Gettysburg
National Harbor
Oxon Hill
Reston

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.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.