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Cheap flights from Southampton to Illinois from £502

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — ORD
6 Aug — 13 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Illinois

Enter your travel dates to find the best prices.

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 7 July 2026.

Fri 14/809:20
SOU
-
ORD
2 stops16h 26m
Multiple Airlines
Mon 24/812:11
ORD
-
SOU
2 stops25h 19m
Multiple Airlines
Deal found 6/7£753
Mon 2/1109:20
SOU
-
ORD
1 stop15h 05m
British Airways
Thu 19/1115:55
ORD
-
SOU
1 stop18h 40m
British Airways
Deal found 4/7£761
Thu 26/1109:20
SOU
-
ORD
2 stops33h 07m
British Airways
Mon 30/1115:55
ORD
-
SOU
1 stop10h 45m
British Airways
Deal found 2/7£817
Fri 14/809:20
SOU
-
ORD
1 stop15h 55m
Aer Lingus
Mon 24/815:45
ORD
-
SOU
1 stop21h 45m
Aer Lingus
Deal found 6/7£863
Thu 3/920:00
SOU
-
ORD
1 stop21h 30m
British Airways
Mon 7/922:20
ORD
-
SOU
1 stop15h 10m
British Airways
Deal found 6/7£872
Tue 21/709:15
SOU
-
MDW
2 stops15h 03m
Delta
Thu 30/713:18
MDW
-
SOU
2 stops13h 27m
Delta
Deal found 7/7£1,012
Tue 11/809:15
SOU
-
MDW
2 stops14h 46m
KLM
Tue 25/810:54
MDW
-
SOU
2 stops15h 51m
KLM
Deal found 5/7£1,069
Fri 14/809:15
SOU
-
MDW
2 stops39h 18m
Virgin Atlantic
Mon 24/810:54
MDW
-
SOU
2 stops15h 51m
Virgin Atlantic
Deal found 6/7£1,141
Sat 11/709:15
SOU
-
MDW
2 stops14h 37m
Delta
Mon 20/712:41
MDW
-
SOU
2 stops14h 04m
Delta
Deal found 6/7£1,260
Sat 11/709:15
SOU
-
MDW
2 stops14h 37m
Delta
Sun 19/713:18
MDW
-
SOU
2 stops13h 27m
Delta
Deal found 6/7£1,290
Fri 14/820:00
SOU
-
MDW
3 stops28h 33m
Multiple Airlines
Mon 24/809:59
MDW
-
SOU
2 stops16h 46m
Multiple Airlines
Deal found 6/7£1,328
Mon 13/709:15
SOU
-
MDW
2 stops15h 03m
Delta
Mon 20/713:18
MDW
-
SOU
2 stops13h 27m
Delta
Deal found 6/7£1,804

Find flight deals from Southampton to Illinois

Keep the following information in mind while searching for Southampton to Illinois flight deals. Data was last updated 7 July 2026.

Round-trip from

£753

One-way from

£502

Popular in

July

Cheapest in

February

Average price

£694
14/8-24/8
  • 14/8-24/8
  • 4 total stops
  • 41h 45m total
  • Southampton to Illinois
Search Deals
British Airways
  • British Airways
  • 24/9
  • 1 total stop
  • 24h 00m total
  • Southampton to Illinois
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£78 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 7 July 2026.
Use the filters below to find and compare flights from Southampton to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Mon 2/11

09:20-18:25

1 stop15h 05m

Chicago O'Hare Intl

Thu 19/11

15:55-16:35

1 stop18h 40m

£761

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Thu 26/11

09:20-12:27

2 stops33h 07m

Chicago O'Hare Intl

Mon 30/11

15:55-08:40

1 stop10h 45m

£817

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Thu 3/9

20:00-11:30

1 stop21h 30m

Chicago O'Hare Intl

Mon 7/9

21:15-20:55

2 stops17h 40m

£883

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 11/8

17:20-14:00

1 stop26h 40m

Chicago O'Hare Intl

Tue 25/8

11:01-08:05

2 stops15h 04m

£919
Fastest return journey

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Tue 21/7

09:15-18:18

2 stops15h 03m

Chicago Midway

Thu 30/7

13:18-08:45

2 stops13h 27m

£1,012

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Tue 21/7

09:15-18:18

2 stops15h 03m

Chicago Midway

Tue 28/7

13:18-08:45

2 stops13h 27m

£1,012

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Tue 11/8

09:15-18:01

2 stops14h 46m

Chicago Midway

Tue 25/8

10:54-08:45

2 stops15h 51m

£1,069

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Fri 14/8

09:15-18:33

2 stops39h 18m

Chicago Midway

Mon 24/8

10:54-08:45

2 stops15h 51m

£1,141

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Fri 14/8

20:00-18:33

3 stops28h 33m

Chicago Midway

Mon 24/8

09:59-08:45

2 stops16h 46m

£1,328
Cheapest one-way

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Thu 24/9

20:00-14:00

1 stop24h 00m

£502

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 return 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
No data available for this route at this time. Please check back soon.

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), located 3.5 mi from the city center, is the airport you fly out of when you book flights from Southampton to Illinois.

  • How long is the flight from Southampton to Illinois?

    Departing from Southampton to Illinois will take you 14h 46m. The distance between Southampton and Illinois is about 3924 mi. This flight may include one or multiple stops.

  • 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 holiday 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.

See more FAQs

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Alternative routes for Southampton to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Southampton to Illinois?

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Why should you use Cheapflights to find cheap flight tickets from Southampton to Illinois?

Cheapflights helps you find that perfect flight to Illinois from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Southampton to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southampton to Illinois flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from Southampton to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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