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

Search flight deals from Chicago O'Hare Intl Airport to London Southend Airport . While viewing offers you’ll have the option to create a Price Alert.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 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.

£243 Cheap Flights from Chicago O'Hare Intl Airport to London Southend Airport in 2026/27

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

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

18:30 - 16:40ORD Chicago O'Hare Intl-SEN London Southend

16h 10m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol

07:15 - 17:20SEN London Southend-ORD Chicago O'Hare Intl

16h 05m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl

£615Multiple Airlines

Wed, 25 Nov - Sat, 5 Dec

18:30 - 22:00ORD Chicago O'Hare Intl-SEN London Southend

21h 30m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol

15:35 - 17:20SEN London Southend-ORD Chicago O'Hare Intl

31h 45m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl

£681Multiple Airlines

Thu, 26 Nov - Sun, 29 Nov

18:30 - 18:55ORD Chicago O'Hare Intl-SEN London Southend

18h 25m2 stops Reykjavik Keflavik Intl Berlin Brandenburg

15:40 - 16:15SEN London Southend-ORD Chicago O'Hare Intl

30h 35m1 stop Paris Charles de Gaulle

£744Multiple Airlines

Thu, 12 Nov - Thu, 19 Nov

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

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

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

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

£788Multiple Airlines

Thu, 17 Dec - Wed, 23 Dec

18:25 - 17:15ORD Chicago O'Hare Intl-SEN London Southend

16h 50m1 stop Paris Charles de Gaulle

15:40 - 16:15SEN London Southend-ORD Chicago O'Hare Intl

30h 35m1 stop Paris Charles de Gaulle

£853Multiple Airlines

Thu, 12 Nov - Thu, 19 Nov

16:25 - 10:00ORD Chicago O'Hare Intl-SEN London Southend

11h 35m1 stop Amsterdam Schiphol

12:20 - 23:54SEN London Southend-ORD Chicago O'Hare Intl

17h 34m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£862Multiple Airlines

Thu, 5 Nov - Mon, 9 Nov

10:05 - 14:35ORD Chicago O'Hare Intl-SEN London Southend

22h 30m2 stops Toronto Pearson Intl Paris Charles de Gaulle

07:10 - 19:58SEN London Southend-ORD Chicago O'Hare Intl

18h 48m2 stops Paris Charles de Gaulle Toronto Pearson Intl

£902Multiple Airlines

Sun, 20 Dec - Wed, 30 Dec

18:25 - 18:45ORD Chicago O'Hare Intl-SEN London Southend

18h 20m1 stop Paris Charles de Gaulle

07:15 - 14:25SEN London Southend-ORD Chicago O'Hare Intl

13h 10m1 stop Amsterdam Schiphol

£1,054Multiple Airlines

Sat, 14 Nov - Sat, 21 Nov

18:50 - 18:10ORD Chicago O'Hare Intl-SEN London Southend

17h 20m2 stops Zurich Amsterdam Schiphol

07:15 - 14:25SEN London Southend-ORD Chicago O'Hare Intl

13h 10m1 stop Amsterdam Schiphol

£1,082Multiple Airlines

Sat, 14 Nov - Sat, 21 Nov

19:25 - 17:15ORD Chicago O'Hare Intl-SEN London Southend

16h 50m1 stop Paris Charles de Gaulle

07:25 - 15:10SEN London Southend-ORD Chicago O'Hare Intl

13h 45m1 stop Paris Charles de Gaulle

£1,105Multiple Airlines

Thu, 25 Mar - Sun, 4 Apr

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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

Cheapest return flight

ChicagoLondon

ORD Chicago O'Hare Intl - SEN London Southend

ORDSEN

Chicago O'Hare Intl

Wed 25/11

18:30-16:40

2 stops16h 10m

London Southend

Sat 5/12

07:15-17:20

2 stops16h 05m

£615

ChicagoLondon

ORD Chicago O'Hare Intl - SEN London Southend

ORDSEN

Chicago O'Hare Intl

Thu 26/11

18:30-22:00

2 stops21h 30m

London Southend

Sun 29/11

15:35-17:20

2 stops31h 45m

£681

ChicagoLondon

ORD Chicago O'Hare Intl - SEN London Southend

ORDSEN

Chicago O'Hare Intl

Thu 12/11

18:30-18:55

2 stops18h 25m

London Southend

Thu 19/11

15:40-16:15

1 stop30h 35m

£744

ChicagoLondon

ORD Chicago O'Hare Intl - SEN London Southend

ORDSEN

Chicago O'Hare Intl

Thu 17/12

18:30-17:15

2 stops16h 45m

London Southend

Wed 23/12

07:10-17:20

2 stops16h 10m

£788

ChicagoLondon

ORD Chicago O'Hare Intl - SEN London Southend

ORDSEN

Chicago O'Hare Intl

Thu 12/11

18:25-17:15

1 stop16h 50m

London Southend

Thu 19/11

15:40-16:15

1 stop30h 35m

£853

Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - SEN London Southend

ORDSEN

Chicago O'Hare Intl

Thu 5/11

16:25-10:00

1 stop11h 35m

London Southend

Mon 9/11

12:20-23:54

2 stops17h 34m

£862

ChicagoLondon

ORD Chicago O'Hare Intl - SEN London Southend

ORDSEN

Chicago O'Hare Intl

Sun 20/12

10:05-14:35

2 stops22h 30m

London Southend

Wed 30/12

07:10-19:58

2 stops18h 48m

£902

ChicagoLondon

ORD Chicago O'Hare Intl - SEN London Southend

ORDSEN

Chicago O'Hare Intl

Sat 14/11

18:25-18:45

1 stop18h 20m

London Southend

Sat 21/11

07:15-14:25

1 stop13h 10m

£1,054

ChicagoLondon

ORD Chicago O'Hare Intl - SEN London Southend

ORDSEN

Chicago O'Hare Intl

Sat 14/11

18:50-18:10

2 stops17h 20m

London Southend

Sat 21/11

07:15-14:25

1 stop13h 10m

£1,082

ChicagoLondon

ORD Chicago O'Hare Intl - SEN London Southend

ORDSEN

Chicago O'Hare Intl

Thu 25/3

19:25-17:15

1 stop16h 50m

London Southend

Sun 4/4

07:25-15:10

1 stop13h 45m

£1,105

Flights are sorted by cheapest return 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 return 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

Best price found	£243
Fastest flight time	14h 00m
Direct flights	None

The best one-way flight to London Southend Airport from Chicago O'Hare Intl Airport in the past 72 hours is £243. The best return flight deal from Chicago O'Hare Intl Airport to London Southend Airport found on momondo in the last 72 hours is £615.

The fastest flight from Chicago O'Hare Intl Airport to London Southend Airport takes 14h 00m

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.

Search flight deals

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

How far is Chicago O'Hare Intl to London Southend by plane?
Chicago O'Hare Intl and London Southend are 3979.6 mi apart from one another. Typically, this will take 14h 00m 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 were last updated today.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 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.

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

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to London Southend Airport?
Search flight deals from Chicago O'Hare Intl Airport to London Southend Airport. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Chicago O'Hare Intl Airport to London Southend Airport with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
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.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Colchester

Guildford

Harlow

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?

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

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?

Price alerts on flights to London from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.