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?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from London Southend Airport to Illinois?

Prices for flights from London Southend Airport to Illinois are updated 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 required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£428 Cheap Flights from London Southend Airport to Illinois in 2025/26

1 adult

0 bags

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Find the cheapest flights from London Southend Airport to Illinois

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:10 - 18:24

SEN

ORD

41h 14m2 stops

17:20 - 10:30

ORD

SEN

11h 10m1 stop

£702Multiple Airlines

Sun, 18 Jan - Sun, 25 Jan

14:20 - 15:10

SEN

ORD

30h 50m1 stop

17:20 - 10:30

ORD

SEN

11h 10m1 stop

£750Multiple Airlines

Sun, 18 Jan - Sun, 25 Jan

07:15 - 14:20

SEN

ORD

13h 05m1 stop

16:25 - 14:50

ORD

SEN

16h 25m1 stop

£1,307Multiple Airlines

Sat, 20 Dec - Sun, 4 Jan

07:15 - 14:20

SEN

ORD

13h 05m1 stop

17:20 - 14:50

ORD

SEN

15h 30m2 stops

£1,317Multiple Airlines

Sat, 20 Dec - Sun, 4 Jan

07:15 - 14:20

SEN

ORD

13h 05m1 stop

17:20 - 20:10

ORD

SEN

20h 50m2 stops

£1,360Multiple Airlines

Sat, 20 Dec - Sat, 3 Jan

07:15 - 14:20

SEN

ORD

13h 05m1 stop

17:20 - 20:10

ORD

SEN

20h 50m2 stops

£1,385Multiple Airlines

Sat, 3 Jan - Sat, 10 Jan

07:15 - 17:20

SEN

ORD

16h 05m2 stops

18:30 - 17:15

ORD

SEN

16h 45m2 stops

£1,606Multiple Airlines

Sat, 20 Dec - Wed, 31 Dec

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

LondonChicago

SEN - ORD

SENORD

London Southend

Sun 18/1

07:10-18:24

2 stops41h 14m

Chicago O'Hare Intl

Sun 25/1

17:20-10:30

1 stop11h 10m

£702

LondonChicago

SEN - ORD

SENORD

London Southend

Sun 18/1

14:20-15:10

1 stop30h 50m

Chicago O'Hare Intl

Sun 25/1

17:20-10:30

1 stop11h 10m

£750

LondonChicago

SEN - ORD

SENORD

London Southend

Sat 20/12

07:15-14:20

1 stop13h 05m

Chicago O'Hare Intl

Sun 4/1

16:25-14:50

1 stop16h 25m

£1,307

LondonChicago

SEN - ORD

SENORD

London Southend

Sat 20/12

07:15-14:20

1 stop13h 05m

Chicago O'Hare Intl

Sun 4/1

17:20-14:50

2 stops15h 30m

£1,317

LondonChicago

SEN - ORD

SENORD

London Southend

Sat 20/12

07:15-14:20

1 stop13h 05m

Chicago O'Hare Intl

Sat 3/1

17:20-20:10

2 stops20h 50m

£1,360

LondonChicago

SEN - ORD

SENORD

London Southend

Sat 3/1

07:15-14:20

1 stop13h 05m

Chicago O'Hare Intl

Sat 10/1

17:20-20:10

2 stops20h 50m

£1,385

LondonChicago

SEN - ORD

SENORD

London Southend

Sat 20/12

07:15-17:20

2 stops16h 05m

Chicago O'Hare Intl

Wed 31/12

18:30-17:15

2 stops16h 45m

£1,606

LondonChicago

SEN - ORD

SENORD

London Southend

Thu 11/12

06:50-15:00

3 stops38h 10m

£426

LondonChicago

SEN - ORD

SENORD

London Southend

Sat 21/3

20:00-21:00

2 stops30h 00m

£436

LondonChicago

SEN - ORD

SENORD

London Southend

Fri 12/12

16:50-22:11

3 stops35h 21m

£440

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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	15h 35m
Direct flights	None

The fastest flight from London Southend Airport to Illinois takes 15h 35m

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 are updated 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 required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable 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?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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?

Yes. momondo allows you to filter the results for London to Illinois flights to just show those with 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?

Of course. momondo tracks the price of London to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.