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Cheap flights from Illinois to Southampton from £463

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SOU
5 Feb — 12 Feb1
1 adult

Cheap flight deals from Illinois to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Southampton (SOU). 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 31 January 2025.

Round-trip from

£628

One-way from

£463

Popular in

June

Cheapest in

February

Average price

£539
KLM
  • KLM
  • 4/3-11/3
  • 3 total stops
  • 43h 30m total
  • Illinois to Southampton
Delta
  • Delta
  • 13/4
  • 1 total stop
  • 18h 40m total
  • Illinois to Southampton
Highest demand for flights based on searches. 18% potential increase in price (£114 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in January 2025

Find flight deals from Illinois to Southampton

Cheapest flights from Illinois to Southampton
Explore the most affordable flight options available from Illinois to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 January 2025.

Tue 4/310:05ORD - SOU
2 stops16h 20mKLM
Tue 11/317:20SOU - ORD
1 stop27h 10mKLM
Deal found 30/1£628
Tue 4/310:19MDW - SOU
2 stops16h 06mKLM
Tue 11/309:00SOU - MDW
2 stops18h 23mKLM
Deal found 30/1£633
Tue 15/416:50ORD - SOU
1 stop9h 55mDelta
Wed 23/409:20SOU - ORD
1 stop11h 20mDelta
Deal found 30/1£644
Sun 16/317:25ORD - SOU
1 stop10h 00mVirgin Atlantic
Sun 23/309:30SOU - ORD
1 stop11h 00mVirgin Atlantic
Deal found 30/1£660
Sun 16/309:50ORD - SOU
2 stops28h 50mMultiple Airlines
Sun 23/320:10SOU - ORD
2 stops23h 41mMultiple Airlines
Deal found 30/1£683
Thu 27/221:00ORD - SOU
1 stop16h 40mAer Lingus
Thu 6/316:05SOU - ORD
1 stop27h 55mAer Lingus
Deal found 30/1£697
Sun 16/310:25MDW - SOU
2 stops17h 00mMultiple Airlines
Sun 23/309:30SOU - MDW
2 stops28h 39mMultiple Airlines
Deal found 30/1£1,707

Find flights from Illinois to Southampton within your budget

Customise your flight search to find flights from Illinois to Southampton 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 31 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 4/3

10:05-08:25

2 stops16h 20m

Southampton Eastleigh

Tue 11/3

17:20-15:30

1 stop27h 10m

£628

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Tue 4/3

10:19-08:25

2 stops16h 06m

Southampton Eastleigh

Tue 11/3

09:00-22:23

2 stops18h 23m

£633

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 15/4

16:50-08:45

1 stop9h 55m

Southampton Eastleigh

Wed 23/4

09:20-14:40

1 stop11h 20m

£644

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 16/3

17:25-08:25

1 stop10h 00m

Southampton Eastleigh

Sun 23/3

09:30-15:30

1 stop11h 00m

£660

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 16/3

09:50-19:40

2 stops28h 50m

Southampton Eastleigh

Sun 23/3

20:10-14:51

2 stops23h 41m

£683

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Thu 27/2

21:00-19:40

1 stop16h 40m

Southampton Eastleigh

Thu 6/3

16:05-14:00

1 stop27h 55m

£697

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Sun 16/3

10:25-08:25

2 stops17h 00m

Southampton Eastleigh

Sun 23/3

09:30-09:09

2 stops28h 39m

£1,707

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 13/4

16:20-17:00

1 stop18h 40m

£463

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sat 31/5

20:50-19:30

1 stop16h 40m

£513

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Sat 31/5

18:45-17:00

2 stops16h 15m

£1,320

Flights are sorted by cheapest return flights first.

Deals found on 30/1

Best time to book a flight from Illinois to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Illinois 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 Illinois to Southampton

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

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Southampton (average of £203). Flying from Illinois to Southampton in November is currently the most expensive (average of £262). 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 Southampton by month

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

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

Temperature in Southampton by month

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

If weather is an important factor for your trip to Southampton, 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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. 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 Southampton. Reviews last updated 31 January 2025.

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Southampton. 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 into for flights to Southampton from Illinois?

    Most people fly into Southampton Eastleigh (SOU) if they book a flight to Southampton from Illinois. Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

  • What are the cheapest airlines to fly from Illinois to Southampton one-way?

    One-way options have recently been found by users for as low as £463 on Delta. Other airlines that offer cheap prices include Aer Lingus from £513 and KLM from £1,320 one-way.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Illinois to Southampton (average of £203). Flying from Illinois to Southampton in November is currently the most expensive (average of £262). 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 Illinois to Southampton

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

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Why should you use Cheapflights to find cheap flight tickets from Illinois to Southampton?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southampton from Illinois.

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

Need flexible booking options for your flight to Southampton from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Illinois to Southampton flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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