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$311+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SOU
may. 5 — may. 121
lun. 5/5
lun. 5/12
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 abril 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$851
(KLM)

One-way from

$311
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$672
Provider with most accurate pricing for Chicago (CHI)-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-London (LON) flights.
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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. 17% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 30, 2025.

This EaseMyTrip deal was found by Cheapflights users on 4/29. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/182:00 pmORD - SOU
2 stops20h 50mVirgin Atlantic
vie. 1/99:00 amSOU - ORD
2 stops18h 14mVirgin Atlantic
Deal found 4/29$1,054
This KLM deal was found by Cheapflights users on 4/28. 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.
mar. 6/104:20 pmORD - SOU
1 stop10h 25mKLM
mar. 6/175:35 pmSOU - ORD
1 stop26h 35mKLM
Deal found 4/28$1,077
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
vie. 7/49:28 pmORD - SOU
2 stops34h 52mMultiple Airlines
lun. 7/148:00 pmSOU - ORD
1 stop24h 00mMultiple Airlines
Deal found 4/29$1,095
This SmartFares deal was found by Cheapflights users on 4/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/1210:26 amMDW - SOU
2 stops16h 19mMultiple Airlines
jue. 6/195:35 pmSOU - MDW
2 stops31h 06mMultiple Airlines
Deal found 4/29$1,184
This Delta deal was found by Cheapflights users on 4/29. 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.
vie. 5/234:20 pmORD - SOU
1 stop10h 25mDelta
vie. 6/69:20 amSOU - ORD
1 stop10h 50mDelta
Deal found 4/29$1,204
This Netflights deal was found by Cheapflights users on 4/29. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/139:24 amMDW - SOU
2 stops26h 06mKLM
vie. 6/209:20 amSOU - MDW
2 stops15h 21mKLM
Deal found 4/29$1,472
This EaseMyTrip deal was found by Cheapflights users on 4/29. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/183:55 pmORD - SOU
1 stop10h 50mAer Lingus
vie. 1/99:30 amSOU - ORD
1 stop15h 45mAer Lingus
Deal found 4/29$1,498
This Delta deal was found by Cheapflights users on 4/29. 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.
vie. 6/136:47 pmMDW - SOU
2 stops16h 43mDelta
vie. 6/209:20 amSOU - MDW
2 stops15h 21mDelta
Deal found 4/29$1,515
This EaseMyTrip deal was found by Cheapflights users on 4/29. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/183:40 pmMDW - SOU
2 stops19h 10mVirgin Atlantic
vie. 1/99:00 amSOU - MDW
2 stops18h 46mVirgin Atlantic
Deal found 4/29$1,555
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/67:10 pmORD - SOU
2 stops14h 50mBritish Airways
mié. 5/219:10 amSOU - ORD
1 stop15h 50mBritish Airways
Deal found 4/29$2,159

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 abril 30, 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

mar. 6/10

4:20 pm-8:45 am

1 stop10h 25m

Southampton Eastleigh

mar. 6/17

5:35 pm-2:10 pm

1 stop26h 35m

$1,077

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

vie. 7/4

9:28 pm-2:20 pm

2 stops34h 52m

Southampton Eastleigh

lun. 7/14

8:00 pm-2:00 pm

1 stop24h 00m

$1,095

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

jue. 6/12

4:20 pm-8:45 am

1 stop10h 25m

Southampton Eastleigh

jue. 6/19

9:20 am-2:10 pm

1 stop10h 50m

$1,109

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

jue. 6/12

10:26 am-8:45 am

2 stops16h 19m

Southampton Eastleigh

jue. 6/19

5:35 pm-6:41 pm

2 stops31h 06m

$1,184

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

vie. 5/23

4:20 pm-8:45 am

1 stop10h 25m

Southampton Eastleigh

vie. 6/6

9:20 am-2:10 pm

1 stop10h 50m

$1,204

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

vie. 6/13

9:24 am-5:30 pm

2 stops26h 06m

Southampton Eastleigh

vie. 6/20

9:20 am-6:41 pm

2 stops15h 21m

$1,472

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

vie. 6/13

6:47 pm-5:30 pm

2 stops16h 43m

Southampton Eastleigh

vie. 6/20

9:20 am-6:41 pm

2 stops15h 21m

$1,515

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

mar. 5/13

9:15 pm-7:25 pm

2 stops16h 10m

Southampton Eastleigh

mar. 5/20

9:10 am-7:00 pm

1 stop15h 50m

$2,159

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

dom. 8/24

10:10 pm-7:30 pm

2 stops39h 20m

Southampton Eastleigh

sáb. 9/6

9:40 am-12:37 pm

2 stops32h 57m

$5,259

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

jue. 10/16

5:10 pm-6:55 pm

2 stops19h 45m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 17 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 abril 30, 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 abril 30, 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
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,837 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Delta, which is currently one of the cheapest options available, starting at $491. Aer Lingus flights start at $506 while deals on KLM start at $546 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$653Average$862FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$750Average$1,220FlexibilityNo cancel feeOn-time75%

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