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Cheap flights from Southampton to Chicago O'Hare Intl Airport from £544

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — ORD
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to O'Hare Intl
Explore the most affordable flight options available from Southampton to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Wed 16/908:55 -
1 stop16h 20m
Wed 23/915:45 -
1 stop21h 45m
Deal found 5/8£544
Tue 8/909:15 -
2 stops18h 10m
Mon 14/919:25 -
2 stops18h 05m
Deal found 8/8£572
Tue 22/917:20 -
2 stops27h 05m
Tue 29/916:55 -
2 stops20h 35m
Deal found 8/8£637
Tue 8/909:15 -
1 stop16h 00m
Mon 14/921:00 -
1 stop13h 50m
Deal found 8/8£667
Tue 8/909:05 -
1 stop11h 10m
Mon 14/910:30 -
2 stops16h 05m
Deal found 8/8£674
Tue 22/909:05 -
1 stop11h 10m
Tue 29/916:15 -
1 stop18h 35m
Deal found 8/8£687
Wed 16/909:15 -
2 stops17h 41m
Wed 23/906:00 -
2 stops20h 35m
Deal found 5/8£690
Wed 16/909:15 -
1 stop11h 15m
Wed 23/910:25 -
2 stops16h 10m
Deal found 7/8£691

Find flight deals from Southampton to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 August 2026.

Round-trip from

£544

Popular in

July

Cheapest in

February

Average price

£693
Aer Lingus
  • Aer Lingus
  • 16/9-23/9
  • 2 total stops
  • 38h 05m total
  • Southampton to Chicago
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£85 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 August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to O'Hare Intl 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 August 2026.
Use the filters below to find and compare flights from Southampton to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Wed 16/9

08:55-19:15

1 stop16h 20m

Chicago O'Hare Intl

Wed 23/9

21:00-16:50

1 stop13h 50m

£619

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Mon 9/11

08:40-14:25

1 stop11h 45m

Chicago O'Hare Intl

Mon 16/11

12:40-08:10

2 stops13h 30m

£718

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Sun 8/11

17:30-14:25

1 stop26h 55m

Chicago O'Hare Intl

Tue 17/11

15:49-17:00

2 stops19h 11m

£718

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Tue 8/12

17:30-14:25

1 stop26h 55m

Chicago O'Hare Intl

Wed 13/1

16:25-17:00

1 stop18h 35m

£719

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Mon 7/12

08:40-14:25

1 stop11h 45m

Chicago O'Hare Intl

Tue 19/1

12:15-08:10

2 stops13h 55m

£719

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Wed 9/12

08:40-14:25

1 stop11h 45m

Chicago O'Hare Intl

Thu 14/1

18:10-17:00

2 stops16h 50m

£719

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Sat 19/9

09:15-14:15

1 stop11h 00m

Chicago O'Hare Intl

Sat 26/9

10:25-08:45

2 stops16h 20m

£746

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Wed 11/11

08:40-14:25

1 stop11h 45m

Chicago O'Hare Intl

Sun 15/11

16:25-17:00

1 stop18h 35m

£748

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Thu 10/12

08:40-14:25

1 stop11h 45m

Chicago O'Hare Intl

Mon 18/1

16:25-17:00

1 stop18h 35m

£749
Fastest return journey

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Sat 19/9

09:15-14:15

1 stop11h 00m

Chicago O'Hare Intl

Sat 26/9

16:15-08:45

1 stop10h 30m

£767

Flights are sorted by cheapest return flights first.

Deals found on 8/8

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Southampton to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Southampton to O'Hare Intl. 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 Chicago O'Hare Intl?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from Eastleigh; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Southampton airport to Chicago O'Hare Intl. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

  • How long is the flight from Southampton to Chicago O'Hare Intl Airport?

    For as low as £718, Aer Lingus can have you in Chicago O'Hare Intl Airport from Southampton in 11h 45m. Airlines will cover a distance of 3921 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Southampton to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Southampton to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to O'Hare Intl?

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

  • Can I find deals for business class flights from Southampton to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Southampton to O'Hare Intl 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

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Elk Grove Village

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How does Cheapflights help users find flights from Southampton to O'Hare Intl?

When you search for this flight from Southampton to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Southampton to O'Hare Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southampton to O'Hare Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Southampton to O'Hare Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Southampton to O'Hare Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Southampton to O'Hare Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to O'Hare Intl from Southampton today and book when prices fit your budget.

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