Find flights
When to book
FAQs

Cheap flights from Southampton to Illinois from £554

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — ORD
9 Jun — 16 Jun1
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 10 May 2026.

Tue 23/609:05
SOU
-
ORD
1 stop11h 10m
KLM
Tue 30/616:20
ORD
-
SOU
1 stop18h 30m
KLM
Deal found 9/5£773
Thu 18/609:05
SOU
-
ORD
1 stop11h 10m
Virgin Atlantic
Thu 25/616:20
ORD
-
SOU
1 stop18h 30m
Virgin Atlantic
Deal found 5/5£838
Thu 18/609:05
SOU
-
ORD
1 stop11h 10m
KLM
Thu 25/619:17
ORD
-
SOU
2 stops31h 28m
KLM
Deal found 9/5£842
Tue 1/920:00
SOU
-
ORD
1 stop21h 30m
British Airways
Sat 5/915:45
ORD
-
SOU
1 stop10h 50m
British Airways
Deal found 9/5£853
Thu 18/609:20
SOU
-
ORD
2 stops42h 10m
Multiple Airlines
Thu 25/623:00
ORD
-
SOU
2 stops35h 50m
Multiple Airlines
Deal found 5/5£855
Thu 18/609:20
SOU
-
MDW
3 stops29h 54m
Multiple Airlines
Thu 25/609:54
MDW
-
SOU
3 stops24h 56m
Multiple Airlines
Deal found 6/5£1,072
Thu 18/609:05
SOU
-
MDW
2 stops15h 13m
Delta
Thu 25/609:54
MDW
-
SOU
2 stops16h 41m
Delta
Deal found 9/5£1,239
Thu 18/617:20
SOU
-
MDW
2 stops30h 58m
Virgin Atlantic
Thu 25/613:49
MDW
-
SOU
2 stops21h 01m
Virgin Atlantic
Deal found 5/5£1,380
Fri 31/709:15
SOU
-
MDW
2 stops15h 03m
Virgin Atlantic
Tue 4/813:27
MDW
-
SOU
2 stops22h 08m
Virgin Atlantic
Deal found 5/5£1,654
Thu 18/609:05
SOU
-
MDW
2 stops15h 13m
KLM
Thu 25/619:16
MDW
-
SOU
2 stops15h 34m
KLM
Deal found 5/5£2,104
Sat 24/1009:20
SOU
-
MDW
2 stops18h 25m
Virgin Atlantic
Fri 6/1112:30
MDW
-
SOU
2 stops22h 30m
Virgin Atlantic
Deal found 6/5£3,016

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 10 May 2026.

Round-trip from

£748

One-way from

£554

Popular in

July

Cheapest in

February

Average price

£567
23/6-30/6
  • 23/6-30/6
  • 4 total stops
  • 61h 15m total
  • Southampton to Illinois
Search Deals
British Airways
  • British Airways
  • 22/10
  • 1 total stop
  • 15h 55m total
  • Southampton to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 10 May 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
Fastest return journey

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 23/6

09:05-14:15

1 stop11h 10m

Chicago O'Hare Intl

Tue 30/6

18:22-16:50

2 stops16h 28m

£776

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Thu 18/6

17:20-14:15

1 stop26h 55m

Chicago O'Hare Intl

Thu 25/6

19:17-08:45

2 stops31h 28m

£842

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 1/9

20:00-11:30

1 stop21h 30m

Chicago O'Hare Intl

Sat 5/9

15:45-08:35

1 stop10h 50m

£853

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Thu 18/6

09:20-21:30

2 stops42h 10m

Chicago O'Hare Intl

Thu 25/6

23:00-16:50

2 stops35h 50m

£855

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Fri 19/6

20:00-11:29

1 stop21h 29m

Chicago O'Hare Intl

Wed 1/7

15:45-16:50

1 stop19h 05m

£871

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Thu 18/6

09:05-18:18

2 stops15h 13m

Chicago Midway

Thu 25/6

09:54-08:35

2 stops16h 41m

£1,239

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Thu 18/6

17:20-18:18

2 stops30h 58m

Chicago Midway

Thu 25/6

13:49-16:50

2 stops21h 01m

£1,380

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Thu 18/6

09:05-18:18

2 stops15h 13m

Chicago Midway

Thu 25/6

19:16-16:50

2 stops15h 34m

£2,104

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Sat 24/10

09:20-21:45

2 stops18h 25m

Chicago Midway

Fri 6/11

12:30-17:00

2 stops22h 30m

£3,016
Cheapest one-way

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Thu 22/10

06:45-18:15

2 stops17h 30m

£597

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 18 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 11h 10m. The distance between Southampton and Illinois is about 3921 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Heathrow to Boston flights
Luton to John F Kennedy Intl flights
London City to Newark flights
Heathrow to Miami flights
Manchester to John F Kennedy Intl flights
Heathrow to San Francisco flights
Gatwick to Boston flights
Stansted to Newark flights
Heathrow to Dulles Intl flights
Heathrow to O'Hare Intl flights
Luton to Newark flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Seattle flights
Manchester to Orlando flights
Heathrow to Las Vegas flights
Heathrow to Baltimore flights
Gatwick to Orlando flights
Heathrow to Hobby flights
Gatwick to Los Angeles flights
Heathrow to Atlanta flights
Stansted to Los Angeles flights
Manchester to Newark flights
London City to Los Angeles flights
London City to Boston flights
Gatwick to Miami flights
Stansted to Orlando flights
Stansted to Boston flights
Heathrow to George Bush Intcntl flights
Stansted to Miami flights
Manchester to LaGuardia flights
London City to Miami flights
Stansted to LaGuardia flights
Gatwick to San Francisco flights
London City to San Francisco flights
Gatwick to O'Hare Intl flights
Gatwick to Dulles Intl flights
Stansted to San Francisco flights
Heathrow to Reagan-National flights
Heathrow to Ontario flights
Heathrow to Denver flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Southampton to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

Can Cheapflights notify me if prices for flights from Southampton to Illinois become cheaper?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.