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Cheap flights from Chicago to London from £292

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 to London departing on 17/9. 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
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
16:50 - 16:50
ORD
-
SOU
18h 00m
1 stop
KLM Logo
09:05 - 14:15
SOU
-
ORD
11h 10m
1 stop
£747KLM
Wed, 2 Sep - Fri, 11 Sep
Virgin Atlantic Logo
10:30 - 08:35
ORD
-
SOU
16h 05m
2 stops
Virgin Atlantic Logo
09:05 - 14:15
SOU
-
ORD
11h 10m
1 stop
£751Virgin Atlantic
Wed, 2 Sep - Fri, 11 Sep
Virgin Atlantic Logo
10:30 - 08:35
ORD
-
SOU
16h 05m
2 stops
Virgin Atlantic Logo
09:05 - 22:06
SOU
-
ORD
19h 01m
2 stops
£757Virgin Atlantic
Wed, 2 Sep - Fri, 11 Sep
Delta Logo
16:20 - 08:45
ORD
-
SOU
10h 25m
1 stop
Delta Logo
17:20 - 14:15
SOU
-
ORD
26h 55m
1 stop
£805Delta
Thu, 27 Aug - Mon, 31 Aug
Delta Logo
13:35 - 17:35
ORD
-
SOU
22h 00m
2 stops
Delta Logo
17:20 - 14:15
SOU
-
ORD
26h 55m
1 stop
£808Delta
Thu, 27 Aug - Mon, 31 Aug
Delta Logo
13:30 - 17:35
ORD
-
SOU
22h 05m
2 stops
Delta Logo
17:20 - 17:41
SOU
-
ORD
30h 21m
2 stops
£816Delta
Thu, 27 Aug - Mon, 31 Aug
Delta Logo
16:20 - 17:35
ORD
-
SOU
19h 15m
1 stop
Delta Logo
17:30 - 14:30
SOU
-
ORD
27h 00m
1 stop
£842Delta
Thu, 27 Aug - Sun, 30 Aug
Delta Logo
19:35 - 17:35
ORD
-
SOU
16h 00m
2 stops
Delta Logo
09:15 - 14:15
SOU
-
ORD
11h 00m
1 stop
£845Delta
Thu, 27 Aug - Sun, 30 Aug
Aer Lingus Logo
21:00 - 19:30
ORD
-
SOU
16h 30m
1 stop
Aer Lingus Logo
09:20 - 19:45
SOU
-
ORD
16h 25m
2 stops
£875Aer Lingus
Wed, 2 Sep - Fri, 11 Sep
Multiple Airlines Logo
21:00 - 19:30
ORD
-
SOU
16h 30m
1 stop
Multiple Airlines Logo
09:20 - 19:15
SOU
-
ORD
15h 55m
1 stop
£878Multiple Airlines
Wed, 2 Sep - Fri, 11 Sep

KLM flights from Chicago to Southampton

Our best KLM deals on Chicago to Southampton flight tickets
KLM
2 Sept
ORD16:50Chicago O'Hare Intl
18h 00m
1 stop
SOU16:50Southampton Eastleigh
11 Sept
SOU09:05Southampton Eastleigh
11h 10m
1 stop
ORD14:15Chicago O'Hare Intl
£747
KLM
7 Jul
ORD16:20Chicago O'Hare Intl
10h 25m
1 stop
SOU08:45Southampton Eastleigh
20 Jul
SOU18:05Southampton Eastleigh
26h 10m
1 stop
ORD14:15Chicago O'Hare Intl
£961
KLM
7 Jul
ORD11:30Chicago O'Hare Intl
15h 15m
2 stops
SOU08:45Southampton Eastleigh
20 Jul
SOU18:05Southampton Eastleigh
26h 10m
1 stop
ORD14:15Chicago O'Hare Intl
£965

Virgin Atlantic flights from Chicago to Southampton

Our best Virgin Atlantic deals on Chicago to Southampton flight tickets
Virgin Atlantic
2 Sept
ORD10:30Chicago O'Hare Intl
16h 05m
2 stops
SOU08:35Southampton Eastleigh
11 Sept
SOU09:05Southampton Eastleigh
11h 10m
1 stop
ORD14:15Chicago O'Hare Intl
£751
Virgin Atlantic
2 Sept
ORD10:30Chicago O'Hare Intl
16h 05m
2 stops
SOU08:35Southampton Eastleigh
11 Sept
SOU09:05Southampton Eastleigh
19h 01m
2 stops
ORD22:06Chicago O'Hare Intl
£757
Virgin Atlantic
26 Apr
ORD16:20Chicago O'Hare Intl
10h 15m
1 stop
SOU08:35Southampton Eastleigh
29 Apr
SOU09:05Southampton Eastleigh
11h 25m
1 stop
ORD14:30Chicago O'Hare Intl
£1,347

momondo Fare Finder

 
Customise your flight search to find flights from Chicago 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 19 April 2026.
Use the filters below to find and compare flights from Chicago 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

Wed 2/9

16:50-16:50

1 stop18h 00m

Southampton Eastleigh

Fri 11/9

09:05-14:15

1 stop11h 10m

£747

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 2/9

10:30-08:35

2 stops16h 05m

Southampton Eastleigh

Fri 11/9

09:05-14:15

1 stop11h 10m

£751

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 2/9

10:30-08:35

2 stops16h 05m

Southampton Eastleigh

Fri 11/9

09:05-22:06

2 stops19h 01m

£757

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Thu 27/8

16:20-08:45

1 stop10h 25m

Southampton Eastleigh

Mon 31/8

17:20-14:15

1 stop26h 55m

£805

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Thu 27/8

13:35-17:35

2 stops22h 00m

Southampton Eastleigh

Mon 31/8

17:20-14:15

1 stop26h 55m

£808

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Thu 27/8

13:30-17:35

2 stops22h 05m

Southampton Eastleigh

Mon 31/8

17:20-17:41

2 stops30h 21m

£816

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Thu 27/8

16:20-17:35

1 stop19h 15m

Southampton Eastleigh

Sun 30/8

17:30-14:30

1 stop27h 00m

£842
Fastest return journey

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Thu 27/8

19:35-17:35

2 stops16h 00m

Southampton Eastleigh

Sun 30/8

09:15-14:15

1 stop11h 00m

£845

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 2/9

21:00-19:30

1 stop16h 30m

Southampton Eastleigh

Fri 11/9

09:20-19:45

2 stops16h 25m

£875

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 2/9

21:00-19:30

1 stop16h 30m

Southampton Eastleigh

Fri 11/9

09:20-19:15

1 stop15h 55m

£878

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 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 typical price of a round-trip flight between Chicago and Southampton?

When to book flights from Chicago to Southampton

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Southampton according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chicago to Southampton (CHI to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Southampton

Fastest flight time

10h 15m

Direct flights

None
The fastest flight from Chicago to Southampton takes 10h 15m
There are no direct flights from Chicago to Southampton. There are no popular flight routes from Chicago to Southampton.
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Frequently asked questions about flying from Chicago to Southampton

  • How far is Chicago to Southampton Eastleigh by plane?

    Chicago and Southampton Eastleigh are 3914.9 mi apart from one another. A reasonable flight in good conditions will take 10h 15m.

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

    Prices for flights from Chicago to Southampton Eastleigh Airport refresh daily.

  • How old do you have to be to fly from Chicago 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 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Southampton. momondo saves you time and could save you money on your trip.

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?

momondo helps you find the best flight between Chicago and Southampton by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Chicago to Southampton flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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