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Cheap flights from Southampton to Illinois from £507

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 20/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — ORD
7 Jan — 14 Jan1
1 adult

Cheap flight deals from Southampton to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Illinois (USIL). 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 2 January 2025.

Round-trip from

£625

One-way from

£507
British Airways
  • British Airways
  • 28/4-5/5
  • 4 total stops
  • 40h 05m total
  • Southampton to Illinois
Search Deals
Aer Lingus
  • Aer Lingus
  • 20/2
  • 1 total stop
  • 15h 45m total
  • Southampton to Illinois
Search Deals

Find flight deals from Southampton to Illinois

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 2 January 2025.

Mon 28/419:55SOU - ORD
2 stops23h 55mBritish Airways
Mon 5/521:15ORD - SOU
2 stops16h 10mBritish Airways
Deal found 1/1£625

Find flights from Southampton to Illinois within your budget

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 2 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Mon 28/4

19:55-13:50

2 stops23h 55m

Chicago O'Hare Intl

Mon 5/5

21:15-19:25

2 stops16h 10m

£625

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Thu 20/2

09:30-19:15

1 stop15h 45m

£507

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Mon 10/3

09:25-18:55

1 stop14h 30m

£1,334

Flights are sorted by cheapest return flights first.

Deals found on 2/1

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.

Travel insights for flights from Southampton to Illinois

Get recent, data-driven insights about flights from Southampton to Illinois including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Southampton to Illinois (average of £595). Flying from Southampton to Illinois 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 Illinois by month

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

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

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated 2 January 2025.
Aer Lingus
7.1
Good
1,071 reviews
Check prices

Comfort

7.0

Overall

7.1

Boarding

7.3

Entertainment

6.8

Crew

8.0

Food

6.4

Reviews

1 / 10

I telephoned to order salt free meal, which wasn’t on board. Not enough water to drink on board for my kidneys. Couldn’t use app, pressed buttons, but wasn’t allowed to do anything

Aer Lingus
7.1
Good
1,071 reviews
Aer Lingus
7.1
Good
1,071 reviews
Check prices

Comfort

7.0

Overall

7.1

Boarding

7.3

Entertainment

6.8

Crew

8.0

Food

6.4

Reviews

1 / 10

I telephoned to order salt free meal, which wasn’t on board. Not enough water to drink on board for my kidneys. Couldn’t use app, pressed buttons, but wasn’t allowed to do anything

British Airways
6.6
Okay
6,807 reviews
Aer Lingus
7.1
Good
1,071 reviews
Check prices

Comfort

7.0

Overall

7.1

Boarding

7.3

Entertainment

6.8

Crew

8.0

Food

6.4

Reviews

1 / 10

I telephoned to order salt free meal, which wasn’t on board. Not enough water to drink on board for my kidneys. Couldn’t use app, pressed buttons, but wasn’t allowed to do anything

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.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Southampton to Illinois (average of £595). Flying from Southampton to Illinois 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 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?

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.

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