How old do you have to be to fly from London Southend Airport to Chicago O'Hare Intl 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 London Southend Airport to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£350 Cheap Flights from London Southend Airport to Chicago O'Hare Intl Airport in 2026/27

Find the cheapest flights from London Southend Airport to Chicago

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:20 - 15:30SEN London Southend-ORD Chicago O'Hare Intl

28h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

18:30 - 22:15ORD Chicago O'Hare Intl-SEN London Southend

21h 45m2 stops Reykjavik Keflavik Intl Barcelona-El Prat

£541Multiple Airlines

Thu, 12 Nov - Sat, 14 Nov

07:10 - 17:20SEN London Southend-ORD Chicago O'Hare Intl

16h 10m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

18:30 - 17:15ORD Chicago O'Hare Intl-SEN London Southend

16h 45m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

£615Multiple Airlines

Wed, 16 Dec - Thu, 31 Dec

17:20 - 15:30SEN London Southend-ORD Chicago O'Hare Intl

28h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

18:30 - 22:20ORD Chicago O'Hare Intl-SEN London Southend

21h 50m2 stops Reykjavik Keflavik Intl Barcelona-El Prat

£674Multiple Airlines

Thu, 24 Dec - Wed, 30 Dec

17:15 - 14:25SEN London Southend-ORD Chicago O'Hare Intl

27h 10m2 stops Barcelona-El Prat Amsterdam Schiphol

18:30 - 22:15ORD Chicago O'Hare Intl-SEN London Southend

21h 45m2 stops Reykjavik Keflavik Intl Barcelona-El Prat

£722Multiple Airlines

Sun, 27 Dec - Sat, 2 Jan

17:20 - 15:30SEN London Southend-ORD Chicago O'Hare Intl

28h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

13:55 - 22:15ORD Chicago O'Hare Intl-SEN London Southend

26h 20m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

£749Multiple Airlines

Thu, 24 Dec - Sat, 2 Jan

17:20 - 15:30SEN London Southend-ORD Chicago O'Hare Intl

28h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

15:45 - 22:15ORD Chicago O'Hare Intl-SEN London Southend

24h 30m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

£800Multiple Airlines

Thu, 17 Dec - Sat, 2 Jan

16:55 - 16:10SEN London Southend-ORD Chicago O'Hare Intl

29h 15m2 stops Amsterdam Schiphol Kastrup Copenhagen

19:15 - 19:35ORD Chicago O'Hare Intl-SEN London Southend

18h 20m2 stops Kastrup Copenhagen Amsterdam Schiphol

£831Multiple Airlines

Sun, 4 Oct - Thu, 8 Oct

15:55 - 16:45SEN London Southend-ORD Chicago O'Hare Intl

30h 50m2 stops Paris Charles de Gaulle Kastrup Copenhagen

19:15 - 17:15ORD Chicago O'Hare Intl-SEN London Southend

16h 00m2 stops Kastrup Copenhagen Paris Charles de Gaulle

£838Multiple Airlines

Sun, 20 Dec - Thu, 31 Dec

07:10 - 16:35SEN London Southend-ORD Chicago O'Hare Intl

15h 25m1 stop Paris Charles de Gaulle

18:45 - 18:35ORD Chicago O'Hare Intl-SEN London Southend

17h 50m1 stop Paris Charles de Gaulle

£870Multiple Airlines

Wed, 23 Dec - Wed, 30 Dec

07:10 - 17:20SEN London Southend-ORD Chicago O'Hare Intl

16h 10m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

10:05 - 18:45ORD Chicago O'Hare Intl-SEN London Southend

26h 40m2 stops Toronto Pearson Intl Paris Charles de Gaulle

£899Multiple Airlines

Wed, 30 Dec - Sat, 2 Jan

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Use the filters below to find and compare flights from London Southend Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Thu 12/11

17:20-15:30

2 stops28h 10m

Chicago O'Hare Intl

Sat 14/11

18:30-22:15

2 stops21h 45m

£541

Fastest return journey

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Wed 16/12

07:10-17:20

2 stops16h 10m

Chicago O'Hare Intl

Thu 31/12

18:30-17:15

2 stops16h 45m

£615

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Thu 24/12

17:20-15:30

2 stops28h 10m

Chicago O'Hare Intl

Wed 30/12

18:30-22:20

2 stops21h 50m

£674

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Sun 27/12

17:15-14:25

2 stops27h 10m

Chicago O'Hare Intl

Sat 2/1

18:30-22:15

2 stops21h 45m

£722

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Thu 24/12

17:20-15:30

2 stops28h 10m

Chicago O'Hare Intl

Sat 2/1

13:55-22:15

2 stops26h 20m

£749

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Thu 17/12

17:20-15:30

2 stops28h 10m

Chicago O'Hare Intl

Sat 2/1

15:45-22:15

2 stops24h 30m

£800

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Sun 4/10

16:55-16:10

2 stops29h 15m

Chicago O'Hare Intl

Thu 8/10

19:15-19:35

2 stops18h 20m

£831

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Sun 20/12

15:55-16:45

2 stops30h 50m

Chicago O'Hare Intl

Thu 31/12

19:15-17:15

2 stops16h 00m

£838

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Wed 23/12

07:10-16:35

1 stop15h 25m

Chicago O'Hare Intl

Wed 30/12

18:45-18:35

1 stop17h 50m

£870

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Wed 30/12

07:10-17:20

2 stops16h 10m

Chicago O'Hare Intl

Sat 2/1

10:05-18:45

2 stops26h 40m

£899

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 London Southend Airport to Chicago O'Hare Intl 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

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart from London Southend Airport to Chicago O'Hare Intl Airport is on a Wednesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Wednesday will often find tickets for as low as £690. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Sunday is £739.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is at midday when flights can be purchased for as low as £670. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £715.

When to book flights from London Southend Airport to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Southend Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Southend Airport to Chicago O'Hare Intl Airport (SEN to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Southend Airport to Chicago O'Hare Intl Airport

Best price found	£350
Fastest flight time	16h 05m
Direct flights	None

The best one-way flight to Chicago O'Hare Intl Airport from London Southend Airport in the past 72 hours is £350. The best return flight deal from London Southend Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is £541.

The fastest flight from London Southend Airport to Chicago O'Hare Intl Airport takes 16h 05m

There are no direct flights from London Southend Airport to Chicago O'Hare Intl Airport. There are no popular flight routes from London Southend Airport to Chicago O'Hare Intl Airport.

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Frequently asked questions about flying from London Southend Airport to Chicago O'Hare Intl Airport

How far is London Southend to Chicago O'Hare Intl by plane?
London Southend and Chicago O'Hare Intl are 3979.6 mi apart from one another. Flights usually cover this in 16h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Southend Airport to Chicago O'Hare Intl Airport?
Prices for flights from London Southend Airport to Chicago O'Hare Intl Airport are updated daily.
How old do you have to be to fly from London Southend Airport to Chicago O'Hare Intl 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 London Southend Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Finding the right flight to Chicago from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Chicago from London which offer a flexible booking policy as well as other useful filters and features.

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

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 Chicago from London.

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

Yes momondo offers price alerts on flights to Chicago 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.