Cheap flights from Illinois to London Southend Airport from £203
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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Illinois to Southend
Keep the following information in mind while searching for Illinois to Southend flight deals. Data was last updated 18 April 2025.
Find flight deals from Illinois to Southend
Cheapest flights from Illinois to SouthendExplore the most affordable flight options available from Illinois to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.
Explore the most affordable flight options available from Illinois to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Illinois 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 858,174 searches. Data last updated 18 April 2025.
Use the filters below to find and compare flights from Illinois to London Southend Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoLondon
ORD - SEN
ORDSEN
Chicago O'Hare Intl
Sun 1/6
17:10-10:25
1 stop11h 15m
London Southend
Sun 8/6
16:55-09:40
2 stops22h 45m
ChicagoLondon
ORD - SEN
ORDSEN
Chicago O'Hare Intl
Wed 9/7
17:10-20:50
2 stops21h 40m
St. LouisLondon
STL - SEN
STLSEN
Lambert-St Louis
Sun 13/7
13:30-10:50
2 stops15h 20m
Best time to book a flight from Illinois to Southend
Have a flexible travel schedule? Discover the best time to fly to Southend from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to London Southend Airport
Rainfall in Southend by month
Plan your trip to Southend by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London Southend Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Southend Airport when rainfall is around 40.0 mm.
Temperature in Southend by month
Plan your trip to Southend by taking into account the average temperature totals by month.
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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
Related info for your journey
Find useful and relevant information for your journey from Illinois to Southend. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to Southend
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How does Cheapflights help users find flights from Illinois to Southend?
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Why should you use Cheapflights to find cheap flight tickets from Illinois to Southend?
Cheapflights simply makes it quick and affordable to book flights from Illinois to Southend by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Illinois to Southend with no change fees?
Yes, we can. To see specific flights from Illinois to Southend with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Illinois to Southend become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southend from Illinois today and book when prices fit your budget.