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$576+ Cheap flights from Illinois to Southampton (SOU)

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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SOU
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$782
(KLM)

One-way from

$576
(Delta)

Popular in

June

Cheapest in

February

Average price

$671
Provider with most accurate pricing for Chicago (CHI)-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-London (LON) flights.
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From Illinois to Southampton Eastleigh
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One-way flight from Illinois to Southampton Eastleigh
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Highest demand for flights based on searches. 19% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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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 January 30, 2025.

This KLM deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/410:05 amORD - SOU
2 stops16h 20mKLM
Tue 3/115:20 pmSOU - ORD
1 stop27h 10mKLM
Deal found 1/30$782
This KLM deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/410:19 amMDW - SOU
2 stops16h 06mKLM
Tue 3/119:00 amSOU - MDW
2 stops18h 23mKLM
Deal found 1/30$788
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/154:50 pmORD - SOU
1 stop9h 55mDelta
Wed 4/239:20 amSOU - ORD
1 stop11h 20mDelta
Deal found 1/30$801
This Booking.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/165:25 pmORD - SOU
1 stop10h 00mVirgin Atlantic
Sun 3/239:30 amSOU - ORD
1 stop11h 00mVirgin Atlantic
Deal found 1/30$821
This Mytrip deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/169:50 amORD - SOU
2 stops28h 50mMultiple Airlines
Sun 3/238:10 pmSOU - ORD
2 stops23h 41mMultiple Airlines
Deal found 1/30$850
This Gurufare deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/279:00 pmORD - SOU
1 stop16h 40mAer Lingus
Thu 3/64:05 pmSOU - ORD
1 stop27h 55mAer Lingus
Deal found 1/30$867
This Billigflug deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1610:25 amMDW - SOU
2 stops17h 00mMultiple Airlines
Sun 3/239:30 amSOU - MDW
2 stops28h 39mMultiple Airlines
Deal found 1/30$2,125

Find flights from Illinois to Southampton within your budget

Customize 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 2,558,603 searches. Data last updated January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 3/11

12:15 pm-8:25 am

2 stops15h 10m

Southampton Eastleigh

Tue 3/18

5:20 pm-3:30 pm

1 stop27h 10m

$758

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Tue 3/4

10:19 am-8:25 am

2 stops16h 06m

Southampton Eastleigh

Tue 3/11

9:00 am-10:23 pm

2 stops18h 23m

$788

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/16

5:25 pm-8:25 am

1 stop10h 00m

Southampton Eastleigh

Sun 3/23

9:30 am-3:30 pm

1 stop11h 00m

$821

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/16

9:50 am-7:40 pm

2 stops28h 50m

Southampton Eastleigh

Sun 3/23

8:10 pm-2:51 pm

2 stops23h 41m

$850

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 4/6

4:20 pm-5:00 pm

1 stop18h 40m

Southampton Eastleigh

Sat 4/12

6:05 pm-2:10 pm

1 stop26h 05m

$851

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Fri 5/23

4:34 pm-3:45 pm

2 stops17h 11m

Southampton Eastleigh

Fri 6/6

9:40 am-6:15 am

2 stops26h 35m

$1,409

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Sun 3/16

10:25 am-8:25 am

2 stops17h 00m

Southampton Eastleigh

Sun 3/23

9:30 am-9:09 am

2 stops28h 39m

$2,125

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 4/13

4:20 pm-5:00 pm

1 stop18h 40m

$576

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sat 5/31

8:50 pm-7:30 pm

1 stop16h 40m

$638

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Sat 5/31

6:45 pm-5:00 pm

2 stops16h 15m

$1,643

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

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 round-trip 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, November is the cheapest month in which you can book a flight from Illinois to Southampton (average of $787). Flying from Illinois to Southampton in June is currently the most expensive (average of $1,308). 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.

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

Find hourly flight availability from Illinois to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Southampton as you normally would.

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 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

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 January 30, 2025.
Delta
8.0
Very good
8,454 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

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.

Delta
8.0
Very good
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

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.

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,454 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

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.

Virgin Atlantic
7.5
Good
657 reviews
Delta
8.0
Very good
8,454 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

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.

Aer Lingus
7.1
Good
1,077 reviews
Delta
8.0
Very good
8,454 reviews

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

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?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $576. Aer Lingus flights start at $638 while deals on KLM start at $1,643 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 vacation 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, November is the cheapest month in which you can book a flight from Illinois to Southampton (average of $787). Flying from Illinois to Southampton in June is currently the most expensive (average of $1,308). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Illinois to Southampton

Discover the top airline that operate flights from Illinois to Southampton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$653Average$787FlexibilityNo cancel feeOn-timeN/A
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