Cheap flights from London Southend Airport to Illinois from £342
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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Southend to Illinois
Keep the following information in mind while searching for Southend to Illinois flight deals. Data was last updated 27 March 2025.
Find flight deals from Southend to Illinois
Cheapest flights from Southend to IllinoisExplore the most affordable flight options available from Southend to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2025.
Explore the most affordable flight options available from Southend to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Southend to Illinois 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 27 March 2025.
Use the filters below to find and compare flights from London Southend Airport to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonChicago
SEN - ORD
SENORD
London Southend
Mon 5/5
06:30-19:55
2 stops19h 25m
Chicago O'Hare Intl
Thu 8/5
17:10-15:45
1 stop16h 35m
LondonChicago
SEN - ORD
SENORD
London Southend
Mon 12/5
11:05-06:42
2 stops25h 37m
Best time to book a flight from Southend to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Southend with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Southend Airport to Illinois
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
Related info for your journey
Find useful and relevant information for your journey from Southend to Illinois. 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 Southend to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Southend to Illinois?
Deals for Southend to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Southend to Illinois?
Cheapflights simply makes it quick and affordable to book flights from Southend to Illinois 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 Southend to Illinois with no change fees?
Need flexible booking options for your flight to Illinois from Southend? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Southend to Illinois become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from Southend today and book when prices fit your budget.