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

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 Illinois to London Southend Airport.

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

The required travel and health documents for your London Southend Airport 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 London Southend Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$250 Cheap Flights from Illinois to London Southend Airport in 2025/26

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6:30 pm - 9:00 pmORD-SEN

20h 30m2 stops

7:15 am - 5:20 pmSEN-ORD

16h 05m2 stops

$673Multiple Airlines

Find Deal

mié., dic. 3 - lun., dic. 8

7:20 pm - 9:00 pmORD-SEN

19h 40m3 stops

7:15 am - 4:45 pmSEN-ORD

15h 30m2 stops

$697Multiple Airlines

Find Deal

mié., dic. 3 - lun., dic. 8

3:35 pm - 12:50 pmORD-SEN

15h 15m2 stops

6:05 pm - 1:10 pmSEN-ORD

25h 05m2 stops

$700Multiple Airlines

Find Deal

jue., feb. 19 - dom., feb. 22

7:15 am - 12:50 pmORD-SEN

23h 35m2 stops

6:05 pm - 8:05 pmSEN-ORD

32h 00m2 stops

$703Multiple Airlines

Find Deal

jue., feb. 19 - dom., feb. 22

9:00 pm - 11:00 pmORD-SEN

20h 00m3 stops

6:30 am - 2:45 pmSEN-ORD

38h 15m3 stops

$704Multiple Airlines

Find Deal

dom., feb. 22 - sáb., feb. 28

6:30 pm - 11:00 pmORD-SEN

22h 30m3 stops

7:10 am - 8:00 pmSEN-ORD

18h 50m2 stops

$859Multiple Airlines

Find Deal

dom., nov. 16 - mié., nov. 19

6:30 pm - 11:00 pmORD-SEN

22h 30m3 stops

7:10 am - 8:00 pmSEN-ORD

18h 50m2 stops

$906Multiple Airlines

Find Deal

dom., nov. 16 - mié., nov. 19

4:05 pm - 12:50 pmSTL-SEN

14h 45m2 stops

7:10 am - 11:15 pmSEN-STL

22h 05m3 stops

$1,769Multiple Airlines

Find Deal

jue., dic. 25 - mié., dic. 31

4:05 pm - 12:50 pmSTL-SEN

14h 45m2 stops

10:00 am - 3:29 pmSEN-STL

35h 29m3 stops

$3,119Multiple Airlines

Find Deal

jue., dic. 18 - vie., ene. 2

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to London Southend Airport that are best for you.

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Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

mié. 12/3

6:30 pm-9:00 pm

2 stops20h 30m

London Southend

lun. 12/8

7:15 am-5:20 pm

2 stops16h 05m

$673

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

mié. 12/3

7:20 pm-9:00 pm

3 stops19h 40m

London Southend

lun. 12/8

7:15 am-4:45 pm

2 stops15h 30m

$697

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

jue. 2/19

3:35 pm-12:50 pm

2 stops15h 15m

London Southend

dom. 2/22

6:05 pm-1:10 pm

2 stops25h 05m

$700

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

jue. 2/19

7:15 am-12:50 pm

2 stops23h 35m

London Southend

dom. 2/22

6:05 pm-8:05 pm

2 stops32h 00m

$703

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

dom. 2/22

9:00 pm-11:00 pm

3 stops20h 00m

London Southend

sáb. 2/28

6:30 am-2:45 pm

3 stops38h 15m

$704

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

dom. 11/16

6:30 pm-11:00 pm

3 stops22h 30m

London Southend

mié. 11/19

7:10 am-8:00 pm

2 stops18h 50m

$859

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

dom. 11/16

6:30 pm-11:00 pm

3 stops22h 30m

London Southend

mié. 11/19

7:10 am-8:00 pm

2 stops18h 50m

$906

St. LouisLondon

STL - SEN

STLSEN

Lambert-St Louis

jue. 12/25

4:05 pm-12:50 pm

2 stops14h 45m

London Southend

mié. 12/31

7:10 am-11:15 pm

3 stops22h 05m

$1,769

St. LouisLondon

STL - SEN

STLSEN

Lambert-St Louis

jue. 12/18

4:05 pm-12:50 pm

2 stops14h 45m

London Southend

vie. 1/2

10:00 am-3:29 pm

3 stops35h 29m

$3,119

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

vie. 1/30

10:15 am-12:15 pm

2 stops44h 00m

$250

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Showing 1-10 of 19 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 27m on average. Another popular route from Illinois to London Southend Airport is flying from Peoria to London Heathrow Airport, which will take roughly 10h 15m. 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

Direct flights	None

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

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When did momondo last update prices for flights from Illinois to London Southend Airport?
Prices for flights from Illinois to London Southend Airport refresh daily.
How old do you have to be to fly from Illinois to London Southend Airport?
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 Illinois to London Southend Airport.
What documentation or ID do you need to fly to London Southend Airport?
The required travel and health documents for your London Southend Airport 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 London Southend Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Chelmsford

Folkestone

Romford

Ilford

Cobham

Wembley

Stansted

Watford

Harrow

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 allows you to filter the results for Illinois to London flights to just show those with flexible booking policies.

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

Once all potential Illinois to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to London from Illinois. 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.