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

KLM is the most popular carrier operating from Chicago to Southampton Eastleigh

What airlines fly to Southampton?

British Airways, Iberia and American 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 49% 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.

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 August 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.

$658 Cheap Flights from Chicago to Southampton (CHI-SOU) in 2025

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Find the cheapest flights from Chicago to London (CHI-SOU)

Round-trip

One-way

Cheap round-trip flights

9:15 pm - 8:05 amORD-SOU

28h 50m1 stop

8:00 pm - 12:35 pmSOU-ORD

46h 35m2 stops

$892

Find Deal

Mon, Sep 29 - Tue, Oct 14

4:40 pm - 8:45 amORD-SOU

10h 05m1 stop

9:20 am - 2:10 pmSOU-ORD

10h 50m1 stop

$900Virgin Atlantic

Find Deal

Mon, Sep 29 - Tue, Oct 14

4:40 pm - 8:50 amORD-SOU

10h 10m1 stop

9:20 am - 2:10 pmSOU-ORD

10h 50m1 stop

$924Delta

Find Deal

Mon, Sep 1 - Fri, Sep 12

9:10 am - 8:50 amORD-SOU

17h 40m2 stops

5:35 pm - 2:10 pmSOU-ORD

26h 35m1 stop

$928Delta

Find Deal

Mon, Sep 1 - Thu, Sep 11

11:20 am - 8:45 amORD-SOU

15h 25m2 stops

9:20 am - 9:19 pmSOU-ORD

17h 59m2 stops

$931KLM

Find Deal

Mon, Sep 29 - Tue, Oct 14

1:00 pm - 8:45 amORD-SOU

13h 45m2 stops

9:20 am - 9:19 pmSOU-ORD

17h 59m2 stops

$938KLM

Find Deal

Wed, Oct 1 - Wed, Oct 8

9:00 pm - 7:40 pmORD-SOU

16h 40m1 stop

9:30 am - 7:15 pmSOU-ORD

15h 45m1 stop

$966Aer Lingus

Find Deal

Sun, Feb 8 - Sun, Feb 15

9:15 pm - 9:10 amORD-SOU

29h 55m1 stop

9:40 am - 3:45 pmSOU-ORD

12h 05m1 stop

$972Aer Lingus

Find Deal

Sat, Sep 13 - Thu, Oct 2

11:48 am - 5:35 pmORD-SOU

23h 47m2 stops

9:30 am - 5:55 pmSOU-ORD

14h 25m1 stop

$1,891British Airways

Find Deal

Mon, Nov 17 - Sun, Nov 30

5:10 pm - 1:05 pmORD-SOU

13h 55m2 stops

9:30 am - 5:55 pmSOU-ORD

14h 25m1 stop

$2,033British Airways

Find Deal

Fri, Nov 7 - Sun, Nov 9

Virgin Atlantic flights from Chicago to Southampton

Our best Virgin Atlantic deals on Chicago to Southampton flight tickets

Virgin Atlantic

Sep 29

ORD4:40 pmChicago O'Hare Intl

10h 05m

1 stop

SOU8:45 amSouthampton Eastleigh

Oct 14

SOU9:20 amSouthampton Eastleigh

10h 50m

1 stop

ORD2:10 pmChicago O'Hare Intl

$900

Find similar

Virgin Atlantic

Sep 29

MDW6:30 pmChicago Midway

32h 15m

2 stops

SOU8:45 amSouthampton Eastleigh

Oct 14

SOU5:35 pmSouthampton Eastleigh

30h 50m

2 stops

MDW6:25 pmChicago Midway

$904

Find similar

Delta flights from Chicago to Southampton

Our best Delta deals on Chicago to Southampton flight tickets

Delta

Sep 1

ORD4:40 pmChicago O'Hare Intl

10h 10m

1 stop

SOU8:50 amSouthampton Eastleigh

Sep 12

SOU9:20 amSouthampton Eastleigh

10h 50m

1 stop

ORD2:10 pmChicago O'Hare Intl

$924

Find similar

Delta

Sep 1

ORD9:10 amChicago O'Hare Intl

17h 40m

2 stops

SOU8:50 amSouthampton Eastleigh

Sep 11

SOU5:35 pmSouthampton Eastleigh

26h 35m

1 stop

ORD2:10 pmChicago O'Hare Intl

$928

Find similar

Delta

Sep 2

ORD4:15 pmChicago O'Hare Intl

10h 30m

1 stop

SOU8:45 amSouthampton Eastleigh

Sep 12

SOU5:35 pmSouthampton Eastleigh

21h 27m

2 stops

ORD9:02 amChicago O'Hare Intl

$934

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 9/29

9:15 pm-8:05 am

1 stop28h 50m

Southampton Eastleigh

Tue 10/14

8:00 pm-12:35 pm

2 stops46h 35m

$892

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 9/29

4:40 pm-8:45 am

1 stop10h 05m

Southampton Eastleigh

Tue 10/14

9:20 am-2:10 pm

1 stop10h 50m

$900

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 9/1

4:40 pm-8:50 am

1 stop10h 10m

Southampton Eastleigh

Fri 9/12

9:20 am-2:10 pm

1 stop10h 50m

$924

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 9/1

9:10 am-8:50 am

2 stops17h 40m

Southampton Eastleigh

Thu 9/11

5:35 pm-2:10 pm

1 stop26h 35m

$928

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 9/29

11:20 am-8:45 am

2 stops15h 25m

Southampton Eastleigh

Tue 10/14

9:20 am-9:19 pm

2 stops17h 59m

$931

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 10/1

1:00 pm-8:45 am

2 stops13h 45m

Southampton Eastleigh

Wed 10/8

9:20 am-9:19 pm

2 stops17h 59m

$938

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 2/8

9:00 pm-7:40 pm

1 stop16h 40m

Southampton Eastleigh

Sun 2/15

9:30 am-7:15 pm

1 stop15h 45m

$966

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sat 9/13

9:15 pm-9:10 am

1 stop29h 55m

Southampton Eastleigh

Thu 10/2

9:40 am-3:45 pm

1 stop12h 05m

$972

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 11/17

11:48 am-5:35 pm

2 stops23h 47m

Southampton Eastleigh

Sun 11/30

9:30 am-5:55 pm

1 stop14h 25m

$1,891

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Fri 11/7

5:10 pm-1:05 pm

2 stops13h 55m

Southampton Eastleigh

Sun 11/9

9:30 am-5:55 pm

1 stop14h 25m

$2,033

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

Best Price Found	$1,072
Fastest flight time	9h 55m
Direct flights	None
Airports in Southampton	1 airport

The best one-way flight to Southampton from Chicago in the past 72 hours is $1,072. The best round-trip flight deal from Chicago to Southampton found on momondo in the last 72 hours is $892.

The fastest flight from Chicago to Southampton takes 9h 55m

There are no direct flights from Chicago to Southampton. Popular non-direct routes for this connection are Chicago Midway Airport - Southampton Eastleigh Airport and Chicago O'Hare Intl Airport - Southampton Eastleigh Airport.

There is 1 airport near Southampton: Southampton Eastleigh (SOU)

Search flight deals

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 August 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 Delta, making up 50% of the total bookings. Other popular airlines include KLM with 50%.

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 $653	Free Cancellation	Rating 7.2 1,220 reviews		Search Aer Lingus 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.