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$533+ Cheap flights from Illinois to Southampton (SOU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SOU
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Illinois to Southampton

Keep the following information in mind while searching for Illinois to Southampton flight deals. Data was last updated junio 12, 2025.

Round-trip from

$873
(Delta)

One-way from

$533
(EaseMyTrip)

Popular in

June

Cheapest in

February

Average price

$1,142
From Illinois to Southampton Eastleigh
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One-way flight from Illinois to Southampton Eastleigh
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Highest demand for flights based on searches. 21% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Illinois to Southampton

Cheapest flights from Illinois to Southampton
Explore the most affordable flight options available from Illinois to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This KLM deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/204:50 pmORD - SOU
1 stop18h 10mKLM
mié. 10/299:00 amSOU - ORD
1 stop11h 30mKLM
Deal found 6/12$808
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/139:30 amORD - SOU
2 stops17h 15mDelta
jue. 10/29:20 amSOU - ORD
2 stops18h 11mDelta
Deal found 6/10$873
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/135:59 pmMDW - SOU
2 stops17h 51mDelta
jue. 10/29:20 amSOU - MDW
2 stops15h 16mDelta
Deal found 6/12$873
This Trip.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2011:25 amORD - SOU
2 stops26h 05mMultiple Airlines
lun. 10/279:30 amSOU - ORD
2 stops30h 40mMultiple Airlines
Deal found 6/12$910
This Booking.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/274:20 pmORD - SOU
1 stop10h 25mVirgin Atlantic
dom. 8/35:35 pmSOU - ORD
1 stop26h 35mVirgin Atlantic
Deal found 6/12$955
This oojo deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/73:45 pmORD - SOU
1 stop10h 55mAer Lingus
lun. 8/188:00 pmSOU - ORD
1 stop24h 00mAer Lingus
Deal found 6/9$974
This British Airways deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/13:45 pmORD - SOU
1 stop18h 00mBritish Airways
vie. 10/316:50 amSOU - ORD
2 stops32h 45mBritish Airways
Deal found 6/12$1,731
This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/57:21 pmMDW - SOU
2 stops15h 39mKLM
lun. 7/149:20 amSOU - MDW
2 stops15h 20mKLM
Deal found 6/10$3,468

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Illinois to Southampton that are best for you.

Fly from

Illinois

Fly to

Southampton

Route

Depart

Return

Price

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

lun. 10/20

4:50 pm-5:00 pm

1 stop18h 10m

Southampton Eastleigh

vie. 10/31

9:00 am-3:30 pm

1 stop11h 30m

$808

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

sáb. 9/13

9:30 am-8:45 am

2 stops17h 15m

Southampton Eastleigh

jue. 10/2

9:20 am-9:31 pm

2 stops18h 11m

$873

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

lun. 10/20

11:25 am-7:30 pm

2 stops26h 05m

Southampton Eastleigh

lun. 10/27

9:30 am-11:10 am

2 stops30h 40m

$910

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

dom. 7/27

4:20 pm-8:45 am

1 stop10h 25m

Southampton Eastleigh

dom. 8/3

5:35 pm-2:10 pm

1 stop26h 35m

$955

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

jue. 8/7

3:45 pm-8:40 am

1 stop10h 55m

Southampton Eastleigh

lun. 8/18

8:00 pm-2:00 pm

1 stop24h 00m

$974

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

jue. 8/7

9:24 am-8:45 am

2 stops17h 21m

Southampton Eastleigh

lun. 8/18

9:20 am-6:37 pm

2 stops15h 17m

$1,108

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

vie. 8/1

3:45 pm-3:45 pm

1 stop18h 00m

Southampton Eastleigh

vie. 10/31

6:50 am-10:35 am

2 stops32h 45m

$1,731

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

sáb. 7/5

7:21 pm-5:00 pm

2 stops15h 39m

Southampton Eastleigh

lun. 7/14

9:20 am-6:40 pm

2 stops15h 20m

$3,468

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

sáb. 10/18

3:45 pm-8:35 am

1 stop10h 50m

$533

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

sáb. 7/26

11:27 am-8:45 am

2 stops15h 18m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 13 results
1
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Best time to book a flight from Illinois to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Southampton

What is the cheapest month to book a flight from Illinois to Southampton?

Currently, November is the cheapest month in which you can book a flight from Illinois to Southampton (average of $787). Flying from Illinois to Southampton in June is currently the most expensive (average of $1,308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to SOU?

Find hourly flight availability from Illinois to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Southampton as you normally would.

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated junio 12, 2025.
To help decide which airline to fly from Illinois to Southampton, see what other customers have to say about Delta, KLM and Virgin Atlantic. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,117 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,008 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Illinois to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Southampton from Illinois?

    Most people fly into Southampton Eastleigh (SOU) if they book a flight to Southampton from Illinois. Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

  • What are the cheapest airlines to fly from Illinois to Southampton one-way?

    To fly one-way, consider booking your trip with Virgin Atlantic, which is currently one of the cheapest options available, starting at $533. KLM flights start at $544 while deals on Delta start at $953 one-way.

  • Can I find deals for flights from Illinois to Southampton that include hotel bookings?

    Yes. In addition to deals on Illinois to Southampton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Southampton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Southampton.

  • Can I find deals for business class flights from Illinois to Southampton?

    Yes. Cheapflights offers flight deals from Illinois to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Southampton?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Southampton (average of $787). Flying from Illinois to Southampton in June is currently the most expensive (average of $1,308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Southampton

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Top 2 airlines flying from Illinois to Southampton

Discover the top 2 airlines that operate flights from Illinois to Southampton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$653Average$862FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$750Average$1,220FlexibilityNo cancel feeOn-time75%

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