How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to London Southend Airport?

Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to London Southend Airport . 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 does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

$399 Cheap Flights from Chicago O'Hare Intl Airport to London Southend Airport in 2025/26

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Find the cheapest flights from Chicago O'Hare Intl Airport to London

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:20 pm - 7:20 pm

ORD

SEN

18h 00m2 stops

7:10 am - 4:55 pm

SEN

ORD

15h 45m2 stops

$635Multiple Airlines

vie., feb. 13 - dom., feb. 22

5:20 pm - 12:50 pm

ORD

SEN

13h 30m1 stop

7:15 am - 3:10 pm

SEN

ORD

13h 55m1 stop

$717Multiple Airlines

jue., ene. 8 - lun., ene. 12

6:30 pm - 2:50 pm

ORD

SEN

14h 20m2 stops

6:40 am - 5:20 pm

SEN

ORD

16h 40m2 stops

$778Multiple Airlines

dom., ene. 11 - vie., ene. 16

10:00 am - 8:50 pm

ORD

SEN

28h 50m2 stops

6:05 pm - 7:55 pm

SEN

ORD

31h 50m3 stops

$2,032Multiple Airlines

sáb., dic. 27 - dom., ene. 4

4:25 pm - 10:00 am

ORD

SEN

11h 35m1 stop

6:40 am - 2:20 pm

SEN

ORD

13h 40m1 stop

$2,100Multiple Airlines

vie., dic. 26 - vie., ene. 2

4:25 pm - 10:00 am

ORD

SEN

11h 35m1 stop

6:40 am - 2:20 pm

SEN

ORD

13h 40m1 stop

$2,128Multiple Airlines

vie., dic. 26 - vie., ene. 2

4:25 pm - 10:00 am

ORD

SEN

11h 35m1 stop

7:15 am - 2:20 pm

SEN

ORD

13h 05m1 stop

$2,353Multiple Airlines

vie., dic. 26 - sáb., ene. 3

4:25 pm - 10:00 am

ORD

SEN

11h 35m1 stop

7:15 am - 2:20 pm

SEN

ORD

13h 05m1 stop

$3,092Multiple Airlines

vie., dic. 19 - sáb., ene. 3

4:25 pm - 10:00 am

ORD

SEN

11h 35m1 stop

7:15 am - 2:20 pm

SEN

ORD

13h 05m1 stop

$3,184Multiple Airlines

vie., dic. 19 - sáb., ene. 3

4:25 pm - 10:00 am

ORD

SEN

11h 35m1 stop

7:15 am - 5:48 pm

SEN

ORD

16h 33m2 stops

$3,679Multiple Airlines

vie., dic. 19 - sáb., ene. 3

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

vie. 2/13

7:20 pm-7:20 pm

2 stops18h 00m

London Southend

dom. 2/22

7:10 am-4:55 pm

2 stops15h 45m

$635

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

jue. 1/8

5:20 pm-12:50 pm

1 stop13h 30m

London Southend

lun. 1/12

7:15 am-3:10 pm

1 stop13h 55m

$717

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

dom. 1/11

6:30 pm-2:50 pm

2 stops14h 20m

London Southend

vie. 1/16

6:40 am-5:20 pm

2 stops16h 40m

$778

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

sáb. 12/27

10:00 am-8:50 pm

2 stops28h 50m

London Southend

dom. 1/4

6:05 pm-7:55 pm

3 stops31h 50m

$2,032

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

vie. 12/26

4:25 pm-10:00 am

1 stop11h 35m

London Southend

vie. 1/2

6:40 am-2:20 pm

1 stop13h 40m

$2,100

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

vie. 12/26

4:25 pm-10:00 am

1 stop11h 35m

London Southend

vie. 1/2

6:40 am-2:20 pm

1 stop13h 40m

$2,128

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

vie. 12/26

4:25 pm-10:00 am

1 stop11h 35m

London Southend

sáb. 1/3

7:15 am-2:20 pm

1 stop13h 05m

$2,353

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

vie. 12/19

4:25 pm-10:00 am

1 stop11h 35m

London Southend

sáb. 1/3

7:15 am-2:20 pm

1 stop13h 05m

$3,092

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

vie. 12/19

4:25 pm-10:00 am

1 stop11h 35m

London Southend

sáb. 1/3

7:15 am-2:20 pm

1 stop13h 05m

$3,184

ChicagoLondon

ORD - SEN

ORDSEN

Chicago O'Hare Intl

vie. 12/19

4:25 pm-10:00 am

1 stop11h 35m

London Southend

sáb. 1/3

7:15 am-5:48 pm

2 stops16h 33m

$3,679

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Estimated round-trip price

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

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

Fastest flight time	13h 30m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to London Southend Airport takes 13h 30m

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

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How far is Chicago O'Hare Intl to London Southend by plane?
London Southend is 3979.6 mi away from Chicago O'Hare Intl. Typically, this will take 13h 30m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to London Southend Airport?
Prices for flights from Chicago O'Hare Intl Airport to London Southend Airport refresh daily.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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.

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to London Southend Airport?
Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to London Southend Airport. 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 Chicago O'Hare Intl Airport to London Southend Airport 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 show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Romford

Watford

Ilford

Cobham

Folkestone

Uxbridge

Stansted

Chelmsford

Why use momondo?

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

Finding the right flight to London from Chicago 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 London quick and easy, saving you time and money.

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

Flights from Chicago to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago 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 Chicago.

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

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

An easier way to manage your London Southend Airport trip

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Cheap flights from Chicago O'Hare Intl Airport to London from $399

Big names and deals

Big names and deals

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Filter for what you want

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Find the cheapest flights from Chicago O'Hare Intl Airport to London

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momondo Fare Finder

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

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

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

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

Fastest flight time

Direct flights

How far is Chicago O'Hare Intl to London Southend by plane?

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to London Southend Airport?

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

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

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to London Southend Airport?

How can I save money on flights from Chicago O'Hare Intl Airport to London Southend Airport with momondo?

How does momondo find its flight prices?

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Southend Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo