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

For as low as £549, Aer Lingus can have you in Chicago O'Hare Intl Airport from Southampton in 15h. Airlines will cover a distance of 3921 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest time of day to fly from SOU to ORD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Chicago O'Hare Intl Airport as you normally would.

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.

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.

£339+ Cheap Flights from Southampton to Chicago O'Hare Intl Airport

Cheap flight deals from Southampton to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest

Best

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One-way

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 19 October 2026.

Fri 11/1209:20 -

1 stop15h 00m

Sat 19/1221:09 -

2 stops32h 46m

Deal found 14/10£549

Fri 11/1209:20 -

2 stops26h 40m

Sat 19/1220:05 -

2 stops18h 15m

Deal found 14/10£594

Thu 22/1009:20 -

1 stop15h 55m

Mon 26/1016:55 -

1 stop10h 55m

Deal found 15/10£614

Thu 3/1209:20 -

1 stop15h 00m

Thu 10/1215:55 -

1 stop14h 00m

Deal found 19/10£647

Tue 1/1220:00 -

1 stop24h 10m

Tue 8/1215:55 -

1 stop21h 35m

Deal found 17/10£648

Tue 1/1217:35 -

1 stop26h 50m

Tue 8/1210:15 -

2 stops15h 55m

Deal found 18/10£663

Find flight deals from Southampton to O'Hare Intl

Round-trip from	£549
One-way from	£339
Popular in	August
Cheapest in	February
Average price	£652

Aer Lingus
11/12-19/12
3 total stops
47h 46m total
Southampton to Chicago

Search Deals

15/2-31/12
2 total stops
50h 05m total
Southampton to Chicago

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£59 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 October 2026

Search Deals

Cheapflights Fare Finder

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

Mon 15/2

19:25-15:30

2 stops50h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£339

Fastest return journey

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Mon 15/2

12:25-19:15

1 stop12h 50m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£404

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Fri 11/12

09:20-18:20

1 stop15h 00m

Chicago O'Hare Intl

Sat 19/12

21:09-11:55

2 stops32h 46m

£549

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Fri 11/12

09:20-06:00

2 stops26h 40m

Chicago O'Hare Intl

Sat 19/12

20:05-20:20

2 stops18h 15m

£594

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Tue 1/12

08:40-18:26

2 stops15h 46m

Chicago O'Hare Intl

Tue 8/12

13:34-17:05

2 stops21h 31m

£683

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Thu 3/12

08:40-18:45

2 stops16h 05m

Chicago O'Hare Intl

Thu 10/12

11:39-08:10

2 stops14h 31m

£714

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Tue 1/12

17:35-17:20

3 stops29h 45m

Chicago O'Hare Intl

Tue 8/12

18:30-19:30

2 stops19h 00m

£771

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Thu 3/12

20:00-15:30

2 stops25h 30m

Chicago O'Hare Intl

Thu 10/12

10:57-14:20

3 stops21h 23m

£781

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Thu 28/1

09:20-14:41

2 stops35h 21m

Chicago O'Hare Intl

Mon 1/2

20:45-11:50

2 stops33h 05m

£845

SouthamptonChicago

SOU Southampton Eastleigh - ORD Chicago O'Hare Intl

SOUORD

Southampton Eastleigh

Sun 25/10

12:25-15:10

1 stop31h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£1,090

Flights are sorted by cheapest return flights first.

Deals found on 18/10

Showing 1-10 of 11 resultsSorted by cheapest first

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.

SOU-ORD

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

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 £549, Aer Lingus can have you in Chicago O'Hare Intl Airport from Southampton in 15h. 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.

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Cheap flights from Southampton to Chicago O'Hare Intl Airport from £339

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to O'Hare Intl

Cheapest flights from Southampton to O'Hare IntlExplore 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 19 October 2026.

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 19 October 2026.

Best flights from Southampton to O'Hare IntlDiscover carefully curated flight deals from Southampton to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Discover carefully curated flight deals from Southampton to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Last-minute flights from Southampton to O'Hare IntlDiscover last-minute flight deals from Southampton to O'Hare Intl. Data last updated 19 October 2026 and is based on user searches.

Discover last-minute flight deals from Southampton to O'Hare Intl. Data last updated 19 October 2026 and is based on user searches.

One-way flights from Southampton to O'Hare IntlSearch for one-way flight options from Southampton to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Search for one-way flight options from Southampton to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

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

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Related info for your journey

What airport do you fly from for flights from Southampton to Chicago O'Hare Intl?

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

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

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

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

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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 19 October 2026.

Best flights from Southampton to O'Hare Intl
Discover carefully curated flight deals from Southampton to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Last-minute flights from Southampton to O'Hare Intl
Discover last-minute flight deals from Southampton to O'Hare Intl. Data last updated 19 October 2026 and is based on user searches.

One-way flights from Southampton to O'Hare Intl
Search for one-way flight options from Southampton to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.