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

Prices for flights from Illinois to London Southend Airport are updated daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to London Southend Airport.

What documentation or ID do you need to fly to London Southend Airport?

The travel and health documents required for your trip to London Southend Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Southend Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£269 Cheap Flights from Illinois to London Southend Airport in 2026

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Find the cheapest flights from Illinois to London

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

18:30 - 21:00

ORD

SEN

20h 30m

2 stops

07:15 - 17:20

SEN

ORD

16h 05m

2 stops

£439Multiple Airlines

Wed, 25 Feb - Mon, 2 Mar

08:45 - 11:20

ORD

SEN

20h 35m

2 stops

20:20 - 12:55

SEN

ORD

22h 35m

2 stops

£524Multiple Airlines

Mon, 11 May - Mon, 18 May

19:25 - 23:20

ORD

SEN

21h 55m

3 stops

15:35 - 17:50

SEN

ORD

32h 15m

3 stops

£537Multiple Airlines

Sat, 18 Apr - Sun, 26 Apr

18:30 - 14:50

ORD

SEN

14h 20m

2 stops

07:15 - 17:20

SEN

ORD

16h 05m

2 stops

£547Multiple Airlines

Sun, 1 Mar - Sat, 7 Mar

23:35 - 21:00

ORD

SEN

16h 25m

2 stops

07:15 - 17:48

SEN

ORD

15h 33m

2 stops

£560Multiple Airlines

Wed, 11 Mar - Mon, 16 Mar

18:30 - 23:00

ORD

SEN

22h 30m

3 stops

07:10 - 20:10

SEN

ORD

19h 00m

2 stops

£562Multiple Airlines

Sun, 1 Mar - Wed, 4 Mar

19:20 - 20:50

ORD

SEN

19h 30m

2 stops

07:10 - 16:45

SEN

ORD

15h 35m

2 stops

£595Multiple Airlines

Sat, 28 Feb - Wed, 4 Mar

13:55 - 12:50

ORD

SEN

17h 55m

3 stops

07:15 - 20:10

SEN

ORD

17h 55m

2 stops

£606Multiple Airlines

Thu, 19 Mar - Mon, 23 Mar

13:55 - 12:50

ORD

SEN

17h 55m

3 stops

07:15 - 20:10

SEN

ORD

17h 55m

2 stops

£622Multiple Airlines

Thu, 19 Mar - Mon, 23 Mar

18:30 - 14:50

ORD

SEN

14h 20m

2 stops

07:35 - 18:20

SEN

ORD

15h 45m

2 stops

£659Multiple Airlines

Sun, 1 Mar - Tue, 10 Mar

momondo Fare Finder

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

Wed 25/2

18:30-21:00

2 stops20h 30m

London Southend

Mon 2/3

07:15-17:20

2 stops16h 05m

£439

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

Mon 11/5

08:45-11:20

2 stops20h 35m

London Southend

Mon 18/5

20:20-12:55

2 stops22h 35m

£524

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

Sat 18/4

19:25-23:20

3 stops21h 55m

London Southend

Sun 26/4

15:35-17:50

3 stops32h 15m

£537

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

Sun 1/3

18:30-14:50

2 stops14h 20m

London Southend

Sat 7/3

07:15-17:20

2 stops16h 05m

£547

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

Wed 11/3

23:35-21:00

2 stops16h 25m

London Southend

Mon 16/3

07:15-17:48

2 stops15h 33m

£560

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

Sun 1/3

18:30-23:00

3 stops22h 30m

London Southend

Wed 4/3

07:10-20:10

2 stops19h 00m

£562

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

Sat 28/2

19:20-20:50

2 stops19h 30m

London Southend

Wed 4/3

07:10-16:45

2 stops15h 35m

£595

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

Thu 19/3

13:55-12:50

3 stops17h 55m

London Southend

Mon 23/3

07:15-20:10

2 stops17h 55m

£606

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

Thu 19/3

13:55-12:50

3 stops17h 55m

London Southend

Mon 23/3

07:15-20:10

2 stops17h 55m

£622

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

Sun 1/3

18:30-14:50

2 stops14h 20m

London Southend

Tue 10/3

07:35-18:20

2 stops15h 45m

£659

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to London Southend Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to London Southend Airport?

Flight times from Illinois to London Southend Airport vary, but if you’re flying out of Chicago and flying into London Heathrow Airport (one of the most popular routes), then the duration is 9h 20m on average. Another popular route from Illinois to London Southend Airport is flying from Moline to London Heathrow Airport, which will take roughly 10h 45m. Keep in mind that layovers or delays could extend your travel time.

Cheap Illinois to London Southend Airport flight deals and tips

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

Fastest flight time	15h 45m
Direct flights	None

The fastest flight from Illinois to London Southend Airport takes 15h 45m

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

Search flight deals

When did momondo last update prices for flights from Illinois to London Southend Airport?
Prices for flights from Illinois to London Southend Airport are updated daily.
How old do you have to be to fly from Illinois to London Southend Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to London Southend Airport.
What documentation or ID do you need to fly to London Southend Airport?
The travel and health documents required for your trip to London Southend Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Southend Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Milton Keynes

Luton

Gatwick

Slough

Maidstone

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Wembley

Dover

Folkestone

Colchester

Bedford

Worthing

Ramsgate

Why use momondo?

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

It is quick and easy to find Illinois to London 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 London that suits you.

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

Yes. momondo enables you to select and highlight flights to London from Illinois with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Illinois.

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

Yes. momondo can track prices for Illinois to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.