$535+ Cheap flights from Southend (SEN) to Illinois
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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — ORD
May 5 — May 121
1 adult, Economy
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1. Tell us where you want to go
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Keep the following information in mind while searching for Southend to Illinois flight deals. Data was last updated April 30, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $1,398 (Mytrip) |
One-way from | $535 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $676 |
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 April 30, 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 April 30, 2025.
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Mon 5/1911:05 amSEN - STL
2 stops31h 31mMultiple Airlines
Sun 5/257:30 amSTL - SEN
2 stops20h 55mMultiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,398
Cheapflights Fare Finder
Customize 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 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from London Southend Airport to Illinois that are best for you.
Fly from
Southend
Fly to
Illinois
Route
Depart
Return
Price
LondonSt. Louis
SEN - STL
SENSTL
London Southend
Mon 5/19
11:05 am-12:36 pm
2 stops31h 31m
Lambert-St Louis
Sun 5/25
7:30 am-10:25 am
2 stops20h 55m
$1,398
LondonChicago
SEN - ORD
SENORD
London Southend
Tue 5/6
7:00 am-4:10 pm
2 stops39h 10m
$535
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.
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 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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).