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$764+ Cheap flights from Southampton (SOU) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Southampton to Illinois

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

Round-trip from

$795
(KLM)

Popular in

August

Cheapest in

February

Average price

$720
From Southampton Eastleigh to Illinois
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Southampton to Illinois

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

This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/195:35 pmSOU - ORD
1 stop26h 35mVirgin Atlantic
Tue 6/244:20 pmORD - SOU
1 stop19h 30mVirgin Atlantic
Deal found 6/10$764
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.
Thu 6/195:35 pmSOU - ORD
1 stop26h 35mKLM
Tue 6/2411:02 amORD - SOU
2 stops15h 43mKLM
Deal found 6/10$773
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.
Thu 6/199:20 amSOU - ORD
2 stops17h 07mDelta
Tue 6/248:29 amORD - SOU
2 stops18h 16mDelta
Deal found 6/10$777
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.
Thu 6/199:20 amSOU - MDW
2 stops15h 21mDelta
Tue 6/247:21 pmMDW - SOU
2 stops16h 29mDelta
Deal found 6/10$818
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:40 amSOU - ORD
2 stops17h 35mMultiple Airlines
Sat 8/97:25 pmORD - SOU
2 stops31h 45mMultiple Airlines
Deal found 6/10$864
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:25 pmSOU - MDW
2 stops33h 17mVirgin Atlantic
Fri 8/11:09 pmMDW - SOU
2 stops21h 51mVirgin Atlantic
Deal found 6/10$1,077
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:40 amSOU - ORD
1 stop15h 20mAer Lingus
Sat 8/99:15 pmORD - SOU
1 stop29h 55mAer Lingus
Deal found 6/10$1,124
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/279:20 amSOU - MDW
2 stops15h 20mKLM
Sun 8/37:21 pmMDW - SOU
2 stops16h 29mKLM
Deal found 6/12$1,761

Cheapflights Fare Finder

Customize your flight search to find flights from Southampton to Illinois 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 June 12, 2025.
Use the filters below to find and compare flights from Southampton to Illinois that are best for you.

Fly from

Southampton

Fly to

Illinois

Route

Depart

Return

Price

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 7/8

6:25 pm-2:40 pm

1 stop26h 15m

Chicago O'Hare Intl

Tue 7/15

4:20 pm-5:50 pm

1 stop19h 30m

$795

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Mon 8/4

9:40 am-9:15 pm

2 stops17h 35m

Chicago O'Hare Intl

Sat 8/9

7:25 pm-9:10 am

2 stops31h 45m

$864

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 7/8

9:20 am-9:43 pm

2 stops18h 23m

Chicago O'Hare Intl

Tue 7/15

10:20 am-8:45 am

2 stops16h 25m

$1,015

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Fri 7/25

6:25 pm-9:42 pm

2 stops33h 17m

Chicago Midway

Fri 8/1

1:09 pm-5:00 pm

2 stops21h 51m

$1,077

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Fri 7/25

6:25 pm-8:15 pm

2 stops31h 50m

Chicago O'Hare Intl

Fri 8/1

7:00 am-5:00 pm

2 stops28h 00m

$1,077

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Mon 8/4

9:40 am-7:00 pm

1 stop15h 20m

Chicago O'Hare Intl

Sat 8/9

9:15 pm-9:10 am

1 stop29h 55m

$1,124

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Sun 7/27

9:20 am-6:40 pm

2 stops15h 20m

Chicago Midway

Sun 8/3

7:21 pm-5:50 pm

2 stops16h 29m

$1,761

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Sun 7/27

9:20 am-6:40 pm

2 stops15h 20m

Chicago Midway

Sun 8/3

7:21 pm-5:50 pm

2 stops16h 29m

$2,605

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Sun 8/3

5:35 pm-2:10 pm

1 stop26h 35m

$2,008

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Southampton to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Southampton 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 Southampton to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Southampton to Illinois (average of $245). Flying from Southampton to Illinois in March is currently the most expensive (average of $321). 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.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated June 12, 2025.
To help decide which airline to fly from Southampton to Illinois, see what other customers have to say about Delta, KLM and Virgin Atlantic. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 Southampton to Illinois. 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 from for flights from Southampton to Illinois?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Illinois. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton to Illinois 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 Southampton to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Southampton to Illinois (average of $245). Flying from Southampton to Illinois in March is currently the most expensive (average of $321). 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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