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$510+ 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
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$812
(Kiwi.com)

One-way from

$510
(Ovago)

Popular in

June

Cheapest in

February

Average price

$1,039
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 ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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.
Mon 9/14:40 pmORD - SOU
1 stop10h 10mDelta
Thu 9/185:35 pmSOU - ORD
1 stop26h 35mDelta
Deal found 7/29$812
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/23:45 pmORD - SOU
1 stop10h 20mMultiple Airlines
Tue 9/168:00 pmSOU - ORD
2 stops44h 55mMultiple Airlines
Deal found 7/29$815
This Virgin Atlantic deal was found by Cheapflights users on 7/31. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:25 pmORD - SOU
1 stop18h 35mVirgin Atlantic
Sun 12/149:30 amSOU - ORD
1 stop10h 50mVirgin Atlantic
Deal found 7/31$860
This KLM deal was found by Cheapflights users on 7/30. 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.
Sat 9/64:15 pmORD - SOU
1 stop19h 35mKLM
Fri 9/199:20 amSOU - ORD
1 stop10h 50mKLM
Deal found 7/30$862
This Gurufare deal was found by Cheapflights users on 7/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/283:45 pmORD - SOU
1 stop10h 55mAer Lingus
Thu 9/49:40 amSOU - ORD
1 stop15h 20mAer Lingus
Deal found 7/29$956
This KLM deal was found by Cheapflights users on 7/30. 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.
Sat 9/610:31 amMDW - SOU
2 stops16h 14mKLM
Fri 9/199:20 amSOU - MDW
2 stops15h 15mKLM
Deal found 7/30$1,228
This Delta deal was found by Cheapflights users on 7/31. 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.
Sat 9/137:15 pmMDW - SOU
2 stops16h 35mDelta
Thu 10/29:20 amSOU - MDW
2 stops18h 16mDelta
Deal found 7/31$1,386

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 July 31, 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

Mon 9/1

4:40 pm-8:50 am

1 stop10h 10m

Southampton Eastleigh

Mon 9/15

5:35 pm-2:10 pm

1 stop26h 35m

$812

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 9/2

3:45 pm-8:05 am

1 stop10h 20m

Southampton Eastleigh

Tue 9/16

8:00 pm-10:55 am

2 stops44h 55m

$815

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sat 9/6

4:15 pm-5:50 pm

1 stop19h 35m

Southampton Eastleigh

Fri 9/19

9:20 am-2:10 pm

1 stop10h 50m

$862

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Thu 8/28

3:45 pm-8:40 am

1 stop10h 55m

Southampton Eastleigh

Thu 9/4

9:40 am-7:00 pm

1 stop15h 20m

$956

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Sat 9/6

10:31 am-8:45 am

2 stops16h 14m

Southampton Eastleigh

Fri 9/19

9:20 am-6:35 pm

2 stops15h 15m

$1,228

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Sat 9/13

7:15 pm-5:50 pm

2 stops16h 35m

Southampton Eastleigh

Thu 10/2

9:20 am-9:36 pm

2 stops18h 16m

$1,386

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sat 10/18

3:45 pm-8:35 am

1 stop10h 50m

$510

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sat 10/18

10:48 am-8:45 am

2 stops15h 57m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 July 31, 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.

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 July 31, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Virgin Atlantic from Illinois to Southampton by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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
655 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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
1,192 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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
7,222 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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.

  • 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Illinois to Southampton

Discover the top airline 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$653Average$1,050FlexibilityNo cancel feeOn-timeN/A

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