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Cheap flights from Chicago O'Hare Intl Airport to London from £394

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to London departing on 14/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:25 - 10:15
ORD
-
SOU
32h 50m
2 stops
Multiple Airlines Logo
09:15 - 19:15
SOU
-
ORD
16h 00m
1 stop
£664Multiple Airlines
Mon, 21 Sep - Tue, 6 Oct
Multiple Airlines Logo
19:25 - 10:15
ORD
-
SOU
32h 50m
2 stops
Multiple Airlines Logo
09:20 - 19:15
SOU
-
ORD
15h 55m
1 stop
£664Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
19:25 - 10:15
ORD
-
SOU
32h 50m
2 stops
Multiple Airlines Logo
09:20 - 19:15
SOU
-
ORD
15h 55m
1 stop
£666Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
19:25 - 10:15
ORD
-
SOU
32h 50m
2 stops
Multiple Airlines Logo
09:20 - 19:15
SOU
-
ORD
15h 55m
1 stop
£667Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
19:25 - 10:15
ORD
-
SOU
32h 50m
2 stops
Multiple Airlines Logo
09:20 - 19:15
SOU
-
ORD
15h 55m
1 stop
£668Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
16:50 - 19:00
ORD
-
SOU
20h 10m
2 stops
Multiple Airlines Logo
08:55 - 14:15
SOU
-
ORD
35h 20m
2 stops
£670Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Aer Lingus Logo
15:45 - 16:50
ORD
-
SOU
19h 05m
1 stop
Aer Lingus Logo
09:15 - 19:15
SOU
-
ORD
16h 00m
1 stop
£685Aer Lingus
Mon, 21 Sep - Tue, 6 Oct
Multiple Airlines Logo
09:55 - 19:30
ORD
-
SOU
27h 35m
2 stops
Multiple Airlines Logo
09:15 - 19:48
SOU
-
ORD
16h 33m
2 stops
£716Multiple Airlines
Tue, 15 Sep - Tue, 22 Sep
Multiple Airlines Logo
11:05 - 16:50
ORD
-
SOU
23h 45m
3 stops
Multiple Airlines Logo
09:15 - 19:48
SOU
-
ORD
16h 33m
2 stops
£726Multiple Airlines
Tue, 15 Sep - Tue, 22 Sep
Multiple Airlines Logo
11:25 - 16:50
ORD
-
SOU
23h 25m
2 stops
Multiple Airlines Logo
09:20 - 09:40
SOU
-
ORD
30h 20m
2 stops
£727Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep

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Delta flights from Chicago O'Hare Intl Airport to Southampton

Our best Delta deals on Chicago O'Hare Intl Airport to Southampton flight tickets
Delta
23 Nov
ORD16:25Chicago O'Hare Intl
18h 35m
1 stop
SOU17:00Southampton Eastleigh
26 Nov
SOU08:40Southampton Eastleigh
11h 45m
1 stop
ORD14:25Chicago O'Hare Intl
£747
Delta
1 Nov
ORD16:25Chicago O'Hare Intl
18h 35m
1 stop
SOU17:00Southampton Eastleigh
11 Nov
SOU08:40Southampton Eastleigh
11h 45m
1 stop
ORD14:25Chicago O'Hare Intl
£748
Delta
23 Nov
ORD12:40Chicago O'Hare Intl
13h 30m
2 stops
SOU08:10Southampton Eastleigh
25 Nov
SOU08:40Southampton Eastleigh
11h 45m
1 stop
ORD14:25Chicago O'Hare Intl
£750

KLM flights from Chicago O'Hare Intl Airport to Southampton

Our best KLM deals on Chicago O'Hare Intl Airport to Southampton flight tickets
KLM
30 Sept
ORD11:17Chicago O'Hare Intl
15h 18m
2 stops
SOU08:35Southampton Eastleigh
7 Oct
SOU17:20Southampton Eastleigh
26h 55m
1 stop
ORD14:15Chicago O'Hare Intl
£790
KLM
4 Aug
ORD10:07Chicago O'Hare Intl
16h 38m
2 stops
SOU08:45Southampton Eastleigh
20 Aug
SOU09:15Southampton Eastleigh
16h 15m
2 stops
ORD19:30Chicago O'Hare Intl
£913
KLM
14 Aug
ORD18:25Chicago O'Hare Intl
16h 35m
2 stops
SOU17:00Southampton Eastleigh
23 Aug
SOU09:15Southampton Eastleigh
20h 42m
2 stops
ORD23:57Chicago O'Hare Intl
£986

momondo Fare Finder

 
Customise your flight search to find flights from Chicago O'Hare Intl Airport to Southampton that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 1 August 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 21/9

19:25-10:15

2 stops32h 50m

Southampton Eastleigh

Tue 6/10

09:15-19:15

1 stop16h 00m

£664

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 14/9

19:25-10:15

2 stops32h 50m

Southampton Eastleigh

Mon 21/9

09:20-19:15

1 stop15h 55m

£664

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 14/9

19:25-10:15

2 stops32h 50m

Southampton Eastleigh

Mon 21/9

09:20-19:15

1 stop15h 55m

£666

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 14/9

19:25-10:15

2 stops32h 50m

Southampton Eastleigh

Mon 21/9

09:20-19:15

1 stop15h 55m

£667

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 14/9

19:25-10:15

2 stops32h 50m

Southampton Eastleigh

Mon 21/9

09:20-19:15

1 stop15h 55m

£668

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 14/9

16:50-19:00

2 stops20h 10m

Southampton Eastleigh

Mon 21/9

08:55-14:15

2 stops35h 20m

£670
Fastest return journey

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 21/9

15:45-16:50

1 stop19h 05m

Southampton Eastleigh

Tue 6/10

09:15-19:15

1 stop16h 00m

£685

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 15/9

09:55-19:30

2 stops27h 35m

Southampton Eastleigh

Tue 22/9

09:15-19:48

2 stops16h 33m

£716

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 15/9

11:05-16:50

3 stops23h 45m

Southampton Eastleigh

Tue 22/9

09:15-19:48

2 stops16h 33m

£726

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 14/9

11:25-16:50

2 stops23h 25m

Southampton Eastleigh

Mon 21/9

09:20-09:40

2 stops30h 20m

£727

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Southampton

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 airline that flies from Chicago O'Hare Intl to Southampton Eastleigh?

Delta and Virgin Atlantic are the most popular carriers operating from Chicago O'Hare Intl to Southampton Eastleigh

Which airlines fly to Southampton?

British Airways, Aer Lingus and United Airlines are the top three most popular airlines that fly to Southampton from Chicago O'Hare Intl Airport according to our data. British Airways is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 7 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

When to book flights from Chicago O'Hare Intl Airport to Southampton

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Southampton 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 Southampton (ORD to SOU) flight deals and tips

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

Fastest flight time

10h 25m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Southampton takes 10h 25m
There are no direct flights from Chicago O'Hare Intl Airport to Southampton. There are no popular flight routes from Chicago O'Hare Intl Airport to Southampton.
Search flight deals

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

  • How far is Chicago O'Hare Intl to Southampton Eastleigh by plane?

    Chicago O'Hare Intl and Southampton Eastleigh are 3920.9 mi apart from one another. Typically, this will take 10h 25m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Southampton Eastleigh Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Southampton Eastleigh Airport were last updated today.

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

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The travel and health documents required for your trip to Southampton Eastleigh 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 Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Southampton for you.

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

Flights from Chicago to Southampton 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 Southampton?

Once you have performed a search for Chicago to Southampton flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Chicago to Southampton now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southampton and let you know when they change.

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