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

Virgin Atlantic, Delta, and KLM are the most popular carriers operating from Chicago to Southampton Eastleigh

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 16 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

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 October 2025, there is 1 operator 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.

$474 Cheap Flights from Chicago to Southampton in 2025/26

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Find the cheapest flights from Chicago 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.

4:25 pm - 5:00 pmORD-SOU

18h 35m1 stop

8:40 am - 2:20 pmSOU-ORD

11h 40m1 stop

$717Virgin Atlantic

Find Deal

Mon, Nov 10 - Wed, Nov 26

10:46 am - 8:10 amORD-SOU

15h 24m2 stops

8:40 am - 2:20 pmSOU-ORD

11h 40m1 stop

$762KLM

Find Deal

Mon, Nov 10 - Wed, Nov 26

4:25 pm - 5:00 pmORD-SOU

18h 35m1 stop

6:05 pm - 2:20 pmSOU-ORD

26h 15m1 stop

$763Delta

Find Deal

Mon, Dec 1 - Thu, Dec 11

7:00 am - 8:10 amORD-SOU

19h 10m2 stops

5:30 pm - 2:20 pmSOU-ORD

26h 50m1 stop

$767Delta

Find Deal

Tue, Dec 2 - Tue, Dec 9

10:47 am - 8:10 amMDW-SOU

15h 23m2 stops

8:40 am - 11:40 pmSOU-MDW

21h 00m2 stops

$767KLM

Find Deal

Mon, Nov 10 - Wed, Nov 26

2:00 pm - 7:50 amMDW-SOU

36h 50m2 stops

9:20 am - 6:34 pmSOU-MDW

15h 14m2 stops

$930Multiple Airlines

Find Deal

Sat, Mar 28 - Thu, Apr 9

2:00 pm - 7:50 amMDW-SOU

36h 50m2 stops

9:20 am - 6:34 pmSOU-MDW

15h 14m2 stops

$969Multiple Airlines

Find Deal

Sat, Mar 28 - Sat, Apr 11

3:57 pm - 8:45 amORD-SOU

34h 48m2 stops

9:30 am - 9:05 amSOU-ORD

29h 35m2 stops

$1,426Aer Lingus

Find Deal

Fri, Nov 21 - Fri, Nov 28

11:45 am - 5:20 pmORD-SOU

23h 35m2 stops

12:25 pm - 6:55 pmSOU-ORD

11h 30m1 stop

$1,703British Airways

Find Deal

Tue, Mar 3 - Tue, Mar 10

11:44 am - 5:20 pmORD-SOU

23h 36m2 stops

9:30 am - 7:15 pmSOU-ORD

15h 45m1 stop

$1,753British Airways

Find Deal

Sun, Jan 11 - Sat, Jan 17

Delta flights from Chicago to Southampton

Our best Delta deals on Chicago to Southampton flight tickets

Delta

Dec 1

ORD4:25 pmChicago O'Hare Intl

18h 35m

1 stop

SOU5:00 pmSouthampton Eastleigh

Dec 11

SOU6:05 pmSouthampton Eastleigh

26h 15m

1 stop

ORD2:20 pmChicago O'Hare Intl

$763

Find similar

Delta

Dec 2

ORD7:00 amChicago O'Hare Intl

19h 10m

2 stops

SOU8:10 amSouthampton Eastleigh

Dec 9

SOU5:30 pmSouthampton Eastleigh

26h 50m

1 stop

ORD2:20 pmChicago O'Hare Intl

$767

Find similar

Delta

Mar 1

ORD4:25 pmChicago O'Hare Intl

9h 55m

1 stop

SOU8:20 amSouthampton Eastleigh

Mar 10

SOU5:30 pmSouthampton Eastleigh

26h 50m

1 stop

ORD3:20 pmChicago O'Hare Intl

$771

Find similar

KLM flights from Chicago to Southampton

Our best KLM deals on Chicago to Southampton flight tickets

KLM

Nov 10

ORD10:46 amChicago O'Hare Intl

15h 24m

2 stops

SOU8:10 amSouthampton Eastleigh

Nov 26

SOU8:40 amSouthampton Eastleigh

11h 40m

1 stop

ORD2:20 pmChicago O'Hare Intl

$762

Find similar

KLM

Nov 10

MDW10:47 amChicago Midway

15h 23m

2 stops

SOU8:10 amSouthampton Eastleigh

Nov 26

SOU8:40 amSouthampton Eastleigh

21h 00m

2 stops

MDW11:40 pmChicago Midway

$767

Find similar

KLM

Nov 21

ORD4:25 pmChicago O'Hare Intl

10h 25m

1 stop

SOU8:50 amSouthampton Eastleigh

Nov 28

SOU8:40 amSouthampton Eastleigh

18h 47m

2 stops

ORD9:27 pmChicago O'Hare Intl

$1,342

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 11/10

4:25 pm-5:00 pm

1 stop18h 35m

Southampton Eastleigh

Wed 11/26

8:40 am-2:20 pm

1 stop11h 40m

$717

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 11/10

10:46 am-8:10 am

2 stops15h 24m

Southampton Eastleigh

Wed 11/26

8:40 am-2:20 pm

1 stop11h 40m

$762

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 12/1

4:25 pm-5:00 pm

1 stop18h 35m

Southampton Eastleigh

Thu 12/11

6:05 pm-2:20 pm

1 stop26h 15m

$763

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 12/2

7:00 am-8:10 am

2 stops19h 10m

Southampton Eastleigh

Tue 12/9

5:30 pm-2:20 pm

1 stop26h 50m

$767

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Mon 11/10

10:47 am-8:10 am

2 stops15h 23m

Southampton Eastleigh

Wed 11/26

8:40 am-11:40 pm

2 stops21h 00m

$767

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Sat 3/28

2:00 pm-7:50 am

2 stops36h 50m

Southampton Eastleigh

Thu 4/9

9:20 am-6:34 pm

2 stops15h 14m

$930

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Sat 3/28

2:00 pm-7:50 am

2 stops36h 50m

Southampton Eastleigh

Sat 4/11

9:20 am-6:34 pm

2 stops15h 14m

$969

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Fri 11/21

3:57 pm-8:45 am

2 stops34h 48m

Southampton Eastleigh

Fri 11/28

9:30 am-9:05 am

2 stops29h 35m

$1,426

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 3/3

11:45 am-5:20 pm

2 stops23h 35m

Southampton Eastleigh

Tue 3/10

12:25 pm-6:55 pm

1 stop11h 30m

$1,703

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 1/11

11:44 am-5:20 pm

2 stops23h 36m

Southampton Eastleigh

Sat 1/17

9:30 am-7:15 pm

1 stop15h 45m

$1,753

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 October 2025, there is 1 operator 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 1,324 reviews		Search Aer Lingus flights

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?

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.