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$506+ 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
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$638
(Mytrip)

One-way from

$506
(Ovago)

Popular in

June

Cheapest in

February

Average price

$659
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 ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:40 pmORD - SOU
1 stop13h 55mAer Lingus
Wed 11/512:25 pmSOU - ORD
1 stop11h 30mAer Lingus
Deal found 9/14$638
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:40 pmORD - SOU
1 stop13h 55mMultiple Airlines
Wed 11/58:40 amSOU - ORD
2 stops15h 15mMultiple Airlines
Deal found 9/14$719
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 11/194:25 pmORD - SOU
1 stop9h 55mDelta
Tue 11/255:30 pmSOU - ORD
1 stop26h 50mDelta
Deal found 9/15$736
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 12/26:15 pmORD - SOU
2 stops16h 45mDelta
Wed 12/108:40 amSOU - ORD
1 stop11h 40mDelta
Deal found 9/14$740
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 12/25:32 pmMDW - SOU
2 stops17h 28mDelta
Wed 12/108:40 amSOU - MDW
2 stops15h 38mDelta
Deal found 9/14$750
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 12/26:15 pmORD - SOU
2 stops16h 45mDelta
Tue 12/95:30 pmSOU - ORD
2 stops30h 16mDelta
Deal found 9/14$750
This Netflights deal was found by Cheapflights users on 9/14. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:00 amMDW - SOU
2 stops21h 20mKLM
Wed 11/58:40 amSOU - MDW
2 stops19h 34mKLM
Deal found 9/14$766
This Delta deal was found by Cheapflights users on 9/15. 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.
Sun 11/1611:14 amORD - SOU
2 stops14h 56mDelta
Tue 11/255:30 pmSOU - ORD
1 stop26h 50mDelta
Deal found 9/15$816
This Delta deal was found by Cheapflights users on 9/15. 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 11/174:25 pmORD - SOU
1 stop18h 35mDelta
Mon 11/246:05 pmSOU - ORD
2 stops28h 47mDelta
Deal found 9/15$822
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 11/194:25 pmORD - SOU
1 stop9h 55mDelta
Fri 11/288:40 amSOU - ORD
2 stops18h 56mDelta
Deal found 9/14$825
This Delta deal was found by Cheapflights users on 9/15. 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 11/171:14 pmMDW - SOU
2 stops12h 56mDelta
Wed 11/268:40 amSOU - MDW
2 stops15h 38mDelta
Deal found 9/15$826
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 12/54:25 pmORD - SOU
1 stop10h 25mDelta
Wed 12/108:40 amSOU - ORD
1 stop11h 40mDelta
Deal found 9/14$826

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 September 16, 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

Sun 11/16

4:25 pm-5:25 pm

1 stop19h 00m

Southampton Eastleigh

Wed 11/26

8:40 am-2:20 pm

1 stop11h 40m

$736

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 11/16

4:25 pm-5:25 pm

1 stop19h 00m

Southampton Eastleigh

Tue 11/25

5:30 pm-2:20 pm

1 stop26h 50m

$736

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 11/17

4:25 pm-5:00 pm

1 stop18h 35m

Southampton Eastleigh

Wed 11/26

8:40 am-2:20 pm

1 stop11h 40m

$736

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 11/19

4:25 pm-8:20 am

1 stop9h 55m

Southampton Eastleigh

Tue 11/25

5:30 pm-2:20 pm

1 stop26h 50m

$736

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 11/17

4:25 pm-5:00 pm

1 stop18h 35m

Southampton Eastleigh

Tue 11/25

5:30 pm-2:20 pm

1 stop26h 50m

$736

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 12/2

6:15 pm-5:00 pm

2 stops16h 45m

Southampton Eastleigh

Wed 12/10

8:40 am-2:20 pm

1 stop11h 40m

$740

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Tue 12/2

5:32 pm-5:00 pm

2 stops17h 28m

Southampton Eastleigh

Wed 12/10

8:40 am-6:18 pm

2 stops15h 38m

$750

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Tue 12/2

5:32 pm-5:00 pm

2 stops17h 28m

Southampton Eastleigh

Mon 12/8

6:05 pm-6:18 pm

2 stops30h 13m

$750

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Tue 12/2

5:32 pm-5:00 pm

2 stops17h 28m

Southampton Eastleigh

Tue 12/9

8:40 am-6:00 pm

2 stops15h 20m

$750

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 11/18

9:46 am-8:10 am

2 stops16h 24m

Southampton Eastleigh

Wed 11/26

5:30 pm-4:36 pm

2 stops29h 06m

$750

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
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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 September 16, 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.

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.

  • How long is the flight from Illinois to Southampton?

    For as low as $736, Delta can have you in Southampton from Illinois in 19h. Airlines will cover a distance of 3921 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Southampton

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$653Average$1,150FlexibilityNo cancel feeOn-timeN/A

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