How do I get Price Alerts for flights from London Southend Airport to Illinois?

Confirm your travel details to search for the latest offers for flights from London Southend Airport to Illinois . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from London Southend Airport to Illinois with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

How old do you have to be to fly from London Southend Airport to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Southend Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$422 Cheap Flights from London Southend Airport to Illinois in 2026

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Find the cheapest flights from London Southend Airport to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 am - 8:25 pm

SEN

STL

16h 15m

2 stops

1:05 pm - 10:45 am

STL

SEN

15h 40m

2 stops

$1,169Multiple Airlines

Thu, May 7 - Thu, May 14

4:35 pm - 4:00 pm

SEN

ORD

29h 25m

2 stops

3:45 pm - 9:45 pm

ORD

SEN

24h 00m

3 stops

$1,173Multiple Airlines

Thu, Jun 18 - Fri, Jun 26

7:35 am - 2:15 pm

SEN

ORD

12h 40m

1 stop

4:20 pm - 10:15 am

ORD

SEN

11h 55m

1 stop

$1,451Multiple Airlines

Sun, Jul 19 - Sat, Jul 25

11:20 am - 3:10 pm

SEN

ORD

33h 50m

1 stop

7:25 pm - 9:45 pm

ORD

SEN

20h 20m

2 stops

$2,357Multiple Airlines

Fri, May 8 - Fri, May 15

4:55 pm - 2:15 pm

SEN

ORD

27h 20m

1 stop

10:25 pm - 12:55 pm

ORD

SEN

32h 30m

2 stops

$2,363Multiple Airlines

Mon, May 11 - Mon, May 18

4:55 pm - 2:15 pm

SEN

ORD

27h 20m

1 stop

7:25 pm - 9:45 pm

ORD

SEN

20h 20m

2 stops

$2,510Multiple Airlines

Fri, May 8 - Fri, May 15

8:05 pm - 8:25 pm

SEN

STL

30h 20m

3 stops

7:05 am - 11:20 am

STL

SEN

22h 15m

3 stops

$2,615Multiple Airlines

Mon, May 11 - Mon, May 18

8:05 pm - 8:25 pm

SEN

STL

30h 20m

3 stops

1:05 pm - 11:20 am

STL

SEN

16h 15m

2 stops

$2,667Multiple Airlines

Mon, May 11 - Mon, May 18

8:25 am - 8:09 pm

SEN

STL

17h 44m

2 stops

2:15 pm - 9:45 pm

STL

SEN

25h 30m

2 stops

$3,202Multiple Airlines

Wed, Jun 3 - Fri, Jun 12

8:25 am - 8:09 pm

SEN

STL

17h 44m

2 stops

1:05 pm - 9:45 pm

STL

SEN

26h 40m

3 stops

$3,206Multiple Airlines

Wed, Jun 3 - Fri, Jun 12

momondo Fare Finder

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

Cheapest round-trip

LondonSt. Louis

SEN - STL

SENSTL

London Southend

Thu 5/7

10:10 am-8:25 pm

2 stops16h 15m

Lambert-St Louis

Thu 5/14

1:05 pm-10:45 am

2 stops15h 40m

$1,169

LondonChicago

SEN - ORD

SENORD

London Southend

Thu 6/18

4:35 pm-4:00 pm

2 stops29h 25m

Chicago O'Hare Intl

Fri 6/26

3:45 pm-9:45 pm

3 stops24h 00m

$1,173

Quickest round-trip

LondonChicago

SEN - ORD

SENORD

London Southend

Sun 7/19

7:35 am-2:15 pm

1 stop12h 40m

Chicago O'Hare Intl

Sat 7/25

4:20 pm-10:15 am

1 stop11h 55m

$1,451

LondonChicago

SEN - ORD

SENORD

London Southend

Fri 5/8

11:20 am-3:10 pm

1 stop33h 50m

Chicago O'Hare Intl

Fri 5/15

7:25 pm-9:45 pm

2 stops20h 20m

$2,357

LondonChicago

SEN - ORD

SENORD

London Southend

Mon 5/11

4:55 pm-2:15 pm

1 stop27h 20m

Chicago O'Hare Intl

Mon 5/18

10:25 pm-12:55 pm

2 stops32h 30m

$2,363

LondonChicago

SEN - ORD

SENORD

London Southend

Fri 5/8

4:55 pm-2:15 pm

1 stop27h 20m

Chicago O'Hare Intl

Fri 5/15

7:25 pm-9:45 pm

2 stops20h 20m

$2,510

LondonSt. Louis

SEN - STL

SENSTL

London Southend

Mon 5/11

8:05 pm-8:25 pm

3 stops30h 20m

Lambert-St Louis

Mon 5/18

7:05 am-11:20 am

3 stops22h 15m

$2,615

LondonSt. Louis

SEN - STL

SENSTL

London Southend

Mon 5/11

8:05 pm-8:25 pm

3 stops30h 20m

Lambert-St Louis

Mon 5/18

1:05 pm-11:20 am

2 stops16h 15m

$2,667

LondonSt. Louis

SEN - STL

SENSTL

London Southend

Wed 6/3

8:25 am-8:09 pm

2 stops17h 44m

Lambert-St Louis

Fri 6/12

2:15 pm-9:45 pm

2 stops25h 30m

$3,202

LondonSt. Louis

SEN - STL

SENSTL

London Southend

Wed 6/3

8:25 am-8:09 pm

2 stops17h 44m

Lambert-St Louis

Fri 6/12

1:05 pm-9:45 pm

3 stops26h 40m

$3,206

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap London Southend Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Southend Airport to Illinois

Fastest flight time	12h 40m
Direct flights	None

The fastest flight from London Southend Airport to Illinois takes 12h 40m

There are no direct flights from London Southend Airport to Illinois. There are no popular flight routes from London Southend Airport to Illinois.

Search flight deals

When did momondo last update prices for flights from London Southend Airport to Illinois?
Prices for flights from London Southend Airport to Illinois refresh daily.
How old do you have to be to fly from London Southend Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Southend Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from London Southend Airport to Illinois?
Confirm your travel details to search for the latest offers for flights from London Southend Airport to Illinois. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from London Southend Airport to Illinois with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from London to Illinois?

It is quick and easy to find London to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

Can I find flights from London to Illinois with flexible booking policies on momondo?

All flight searches from London to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Illinois.

I’m not ready to book a flight from London to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.