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Cheap flights from Southampton to Chicago from £625

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — CHI
21 Apr — 28 Apr1
1 adult

Cheap flight deals from Southampton to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Chicago (CHI). 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 16 April 2025.

Round-trip from

£625

Popular in

August

Cheapest in

February

Average price

£511
KLM
  • KLM
  • 31/5-7/6
  • 3 total stops
  • 27h 30m total
  • Southampton to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Southampton to Chicago

Cheapest flights from Southampton to Chicago
Explore the most affordable flight options available from Southampton to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Sat 31/509:20SOU - ORD
1 stop10h 50mKLM
Sat 7/610:05ORD - SOU
2 stops16h 40mKLM
Deal found 15/4£625
Thu 29/509:20SOU - ORD
1 stop10h 50mDelta
Thu 5/610:05ORD - SOU
2 stops16h 40mDelta
Deal found 15/4£640
Thu 29/509:20SOU - ORD
2 stops20h 38mVirgin Atlantic
Thu 5/607:00ORD - SOU
2 stops19h 45mVirgin Atlantic
Deal found 15/4£645
Sat 31/518:05SOU - MDW
2 stops30h 40mVirgin Atlantic
Sat 7/617:25MDW - SOU
2 stops33h 20mVirgin Atlantic
Deal found 15/4£656
Thu 29/509:20SOU - MDW
2 stops15h 25mDelta
Thu 5/609:16MDW - SOU
2 stops17h 29mDelta
Deal found 15/4£729
Fri 30/509:40SOU - ORD
3 stops37h 11mMultiple Airlines
Fri 6/616:43ORD - SOU
2 stops17h 02mMultiple Airlines
Deal found 15/4£849

Cheapflights Fare Finder

Customise your flight search to find flights from Southampton to Chicago 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 16 April 2025.
Use the filters below to find and compare flights from Southampton to Chicago that are best for you.

Fly from

Southampton

Fly to

Chicago

Route

Depart

Return

Price

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Sat 31/5

09:20-14:10

1 stop10h 50m

Chicago O'Hare Intl

Sat 7/6

10:05-08:45

2 stops16h 40m

£625

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Thu 29/5

09:20-14:10

1 stop10h 50m

Chicago O'Hare Intl

Thu 5/6

10:05-08:45

2 stops16h 40m

£640

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Thu 29/5

09:20-23:58

2 stops20h 38m

Chicago O'Hare Intl

Thu 5/6

07:00-08:45

2 stops19h 45m

£645

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Sat 31/5

18:05-18:45

2 stops30h 40m

Chicago Midway

Sat 7/6

17:25-08:45

2 stops33h 20m

£656

SouthamptonChicago

SOU - MDW

SOUMDW

Southampton Eastleigh

Thu 29/5

09:20-18:45

2 stops15h 25m

Chicago Midway

Thu 5/6

09:16-08:45

2 stops17h 29m

£729

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Fri 30/5

09:40-16:51

3 stops37h 11m

Chicago O'Hare Intl

Fri 6/6

16:43-15:45

2 stops17h 02m

£849

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Best time to book a flight from Southampton to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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 Chicago

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

Currently, January is the cheapest month in which you can book a flight from Southampton to Chicago (average of £595). Flying from Southampton to Chicago in July is currently the most expensive (average of £843). 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 Chicago by month

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

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 43.0 mm.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 16 April 2025.
Read reviews from past customers who have flown Delta, KLM and Virgin Atlantic from Southampton to Chicago. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,918 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,918 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,918 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Southampton to Chicago. 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?

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

  • What are the cheapest airlines flying from Southampton to Chicago round-trip?

    Our cheapest airline available from Southampton to Chicago is KLM. Our recent data shows that you can find tickets from as low as £625 on this airline. Additional options worth looking into are Delta and Virgin Atlantic, starting at £640 and £645 round-trip.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Southampton to Chicago (average of £595). Flying from Southampton to Chicago in July is currently the most expensive (average of £843). 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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Alternative routes for Southampton to Chicago

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

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southampton to Chicago.

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

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

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

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

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