What airlines fly to Southampton?

British Airways, Iberia and United Airlines are the top three most popular airlines that fly to Southampton from Chicago according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 17 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Chicago to Southampton Eastleigh?

Aer Lingus and KLM are the most popular carriers operating from Chicago to Southampton Eastleigh

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

Prices for flights from Chicago to Southampton Eastleigh Airport were last updated today.

How many operators does momondo search for flights from Chicago to Southampton Eastleigh Airport?

As of November 2025, there are 2 operators available to choose from for flights from Chicago to Southampton Eastleigh Airport.

How old do you have to be to fly from Chicago to Southampton Eastleigh Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

$307 Cheap Flights from Chicago to Southampton in 2025/26

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Find the cheapest flights from Chicago to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 pm - 3:35 pmORD-SOU

12h 35m1 stop

9:30 am - 7:15 pmSOU-ORD

15h 45m1 stop

$721Aer Lingus

Find Deal

Wed, Jan 14 - Thu, Jan 22

3:45 pm - 8:40 amORD-SOU

10h 55m1 stop

9:10 am - 7:00 pmSOU-ORD

15h 50m1 stop

$760Aer Lingus

Find Deal

Thu, Apr 16 - Thu, Apr 23

12:00 pm - 8:25 amORD-SOU

14h 25m2 stops

5:35 pm - 2:20 pmSOU-ORD

26h 45m1 stop

$771KLM

Find Deal

Wed, Jan 14 - Thu, Jan 22

10:29 am - 8:25 amORD-SOU

15h 56m2 stops

9:00 am - 9:35 pmSOU-ORD

18h 35m2 stops

$781KLM

Find Deal

Wed, Jan 14 - Thu, Jan 22

10:29 am - 8:25 amORD-SOU

15h 56m2 stops

5:35 pm - 2:20 pmSOU-ORD

26h 45m1 stop

$821KLM

Find Deal

Thu, Jan 8 - Thu, Jan 15

5:25 pm - 8:20 amORD-SOU

9h 55m1 stop

5:20 pm - 4:43 pmSOU-ORD

29h 23m2 stops

$826Delta

Find Deal

Sun, Mar 22 - Sun, Mar 29

6:02 pm - 8:10 amORD-SOU

32h 08m2 stops

5:35 pm - 5:45 pmSOU-ORD

30h 10m2 stops

$829Delta

Find Deal

Mon, Dec 22 - Thu, Jan 8

4:20 pm - 8:35 amORD-SOU

10h 15m1 stop

5:20 pm - 2:15 pmSOU-ORD

26h 55m1 stop

$830KLM

Find Deal

Sun, May 3 - Sat, May 9

10:29 am - 8:25 amORD-SOU

15h 56m2 stops

9:00 am - 9:05 pmSOU-ORD

18h 05m2 stops

$831KLM

Find Deal

Thu, Jan 8 - Thu, Jan 15

9:32 am - 8:45 amMDW-SOU

17h 13m2 stops

9:25 am - 10:22 pmSOU-MDW

42h 57m2 stops

$892Virgin Atlantic

Find Deal

Fri, Jan 16 - Tue, Jan 20

Aer Lingus flights from Chicago to Southampton

Our best Aer Lingus deals on Chicago to Southampton flight tickets

Aer Lingus

Jan 14

ORD9:00 pmChicago O'Hare Intl

12h 35m

1 stop

SOU3:35 pmSouthampton Eastleigh

Jan 22

SOU9:30 amSouthampton Eastleigh

15h 45m

1 stop

ORD7:15 pmChicago O'Hare Intl

$721

Find similar

Aer Lingus

Apr 16

ORD3:45 pmChicago O'Hare Intl

10h 55m

1 stop

SOU8:40 amSouthampton Eastleigh

Apr 23

SOU9:10 amSouthampton Eastleigh

15h 50m

1 stop

ORD7:00 pmChicago O'Hare Intl

$760

Find similar

Aer Lingus

Jan 6

ORD9:00 pmChicago O'Hare Intl

29h 45m

1 stop

SOU8:45 amSouthampton Eastleigh

Jan 13

SOU12:25 pmSouthampton Eastleigh

12h 50m

1 stop

ORD7:15 pmChicago O'Hare Intl

$939

Find similar

KLM flights from Chicago to Southampton

Our best KLM deals on Chicago to Southampton flight tickets

KLM

Jan 14

ORD12:00 pmChicago O'Hare Intl

14h 25m

2 stops

SOU8:25 amSouthampton Eastleigh

Jan 22

SOU5:35 pmSouthampton Eastleigh

26h 45m

1 stop

ORD2:20 pmChicago O'Hare Intl

$771

Find similar

KLM

Jan 14

ORD10:29 amChicago O'Hare Intl

15h 56m

2 stops

SOU8:25 amSouthampton Eastleigh

Jan 22

SOU9:00 amSouthampton Eastleigh

18h 35m

2 stops

ORD9:35 pmChicago O'Hare Intl

$781

Find similar

KLM

Jan 8

ORD10:29 amChicago O'Hare Intl

15h 56m

2 stops

SOU8:25 amSouthampton Eastleigh

Jan 15

SOU5:35 pmSouthampton Eastleigh

26h 45m

1 stop

ORD2:20 pmChicago O'Hare Intl

$821

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 1/14

9:00 pm-3:35 pm

1 stop12h 35m

Southampton Eastleigh

Thu 1/22

9:30 am-7:15 pm

1 stop15h 45m

$721

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Thu 4/16

3:45 pm-8:40 am

1 stop10h 55m

Southampton Eastleigh

Thu 4/23

9:10 am-7:00 pm

1 stop15h 50m

$760

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 1/14

12:00 pm-8:25 am

2 stops14h 25m

Southampton Eastleigh

Thu 1/22

5:35 pm-2:20 pm

1 stop26h 45m

$771

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 1/14

10:29 am-8:25 am

2 stops15h 56m

Southampton Eastleigh

Thu 1/22

9:00 am-9:35 pm

2 stops18h 35m

$781

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Thu 1/8

10:29 am-8:25 am

2 stops15h 56m

Southampton Eastleigh

Thu 1/15

5:35 pm-2:20 pm

1 stop26h 45m

$821

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/22

5:25 pm-8:20 am

1 stop9h 55m

Southampton Eastleigh

Sun 3/29

5:20 pm-4:43 pm

2 stops29h 23m

$826

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 12/22

6:02 pm-8:10 am

2 stops32h 08m

Southampton Eastleigh

Thu 1/8

5:35 pm-5:45 pm

2 stops30h 10m

$829

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 5/3

4:20 pm-8:35 am

1 stop10h 15m

Southampton Eastleigh

Sat 5/9

5:20 pm-2:15 pm

1 stop26h 55m

$830

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Thu 1/8

10:29 am-8:25 am

2 stops15h 56m

Southampton Eastleigh

Thu 1/15

9:00 am-9:05 pm

2 stops18h 05m

$831

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Fri 1/16

9:32 am-8:45 am

2 stops17h 13m

Southampton Eastleigh

Tue 1/20

9:25 am-10:22 pm

2 stops42h 57m

$892

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Southampton?

On average, the least expensive day to fly to Southampton from Chicago is on a Sunday. momondo users have found tickets for Sunday departures for as low as $803. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Southampton for around $1,258.

What is the cheapest time of day to depart on your flight to Southampton?

Flying to Southampton from Chicago in the evening is the least expensive time of day to depart. momondo users have found prices as low as $768 when looking at flights departing in the evening. Flights to Southampton are more costly in the morning, with an average ticket price of $1,075. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 round-trip 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

Direct flights	None

There are no direct flights from Chicago to Southampton. There are no popular flight routes from Chicago to Southampton.

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How far is Chicago to Southampton Eastleigh by plane?
Chicago and Southampton Eastleigh are 3914.9 mi apart from one another. 9h 55m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Southampton Eastleigh Airport?
Prices for flights from Chicago to Southampton Eastleigh Airport were last updated today.
How many operators does momondo search for flights from Chicago to Southampton Eastleigh Airport?
As of November 2025, there are 2 operators available to choose from for flights from Chicago to Southampton Eastleigh Airport.
How old do you have to be to fly from Chicago to Southampton Eastleigh Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.
What is the most popular airline from Chicago to Southampton?
Based on momondo bookings for flights between Chicago and Southampton, the leading airline is KLM, making up 100% of the total bookings.

Best airlines flying from Chicago to Southampton

Compare and see reviews for airlines that fly from Chicago to Southampton with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom $623	Free Cancellation	Rating 7.2 1,380 reviews		Search Aer Lingus flights
KLM	PriceFrom $903	Free Cancellation	Rating 7.7 1,420 reviews		Search KLM flights

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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?

Yes. All flights to Southampton from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Chicago to Southampton flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chicago to Southampton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.