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Cheap flights from Southampton to Chicago from £645

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Chicago departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
09:20 - 19:15
SOU
-
ORD
15h 55m
1 stop
Aer Lingus Logo
21:00 - 19:30
ORD
-
SOU
16h 30m
1 stop
£645Aer Lingus
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
09:20 - 19:15
SOU
-
ORD
15h 55m
1 stop
Multiple Airlines Logo
21:00 - 08:35
ORD
-
SOU
29h 35m
2 stops
£727Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
17:20 - 15:10
SOU
-
ORD
27h 50m
2 stops
Multiple Airlines Logo
17:10 - 08:35
ORD
-
SOU
33h 25m
2 stops
£749Multiple Airlines
Tue, 23 Jun - Tue, 30 Jun
KLM Logo
09:05 - 14:15
SOU
-
ORD
11h 10m
1 stop
KLM Logo
16:20 - 16:50
ORD
-
SOU
18h 30m
1 stop
£774KLM
Tue, 23 Jun - Tue, 30 Jun
KLM Logo
09:05 - 14:15
SOU
-
ORD
11h 10m
1 stop
KLM Logo
16:20 - 08:35
ORD
-
SOU
10h 15m
1 stop
£776KLM
Tue, 23 Jun - Tue, 30 Jun
Multiple Airlines Logo
17:20 - 18:15
SOU
-
ORD
30h 55m
3 stops
Multiple Airlines Logo
19:25 - 19:30
ORD
-
SOU
18h 05m
2 stops
£777Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
KLM Logo
09:05 - 21:48
SOU
-
ORD
18h 43m
2 stops
KLM Logo
16:20 - 16:50
ORD
-
SOU
18h 30m
1 stop
£783KLM
Tue, 23 Jun - Tue, 30 Jun
KLM Logo
09:05 - 21:48
SOU
-
ORD
18h 43m
2 stops
KLM Logo
18:22 - 16:50
ORD
-
SOU
16h 28m
2 stops
£784KLM
Tue, 23 Jun - Tue, 30 Jun
Multiple Airlines Logo
17:20 - 18:15
SOU
-
ORD
30h 55m
3 stops
Multiple Airlines Logo
19:25 - 08:35
ORD
-
SOU
31h 10m
3 stops
£791Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
09:20 - 19:25
SOU
-
ORD
16h 05m
2 stops
Multiple Airlines Logo
09:55 - 16:50
ORD
-
SOU
24h 55m
2 stops
£813Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun

KLM flights from Southampton to Chicago O'Hare Intl Airport

Our best KLM deals on Southampton to Chicago O'Hare Intl Airport flight tickets
KLM
23 Jun
SOU09:05Southampton Eastleigh
11h 10m
1 stop
ORD14:15Chicago O'Hare Intl
30 Jun
ORD16:20Chicago O'Hare Intl
18h 30m
1 stop
SOU16:50Southampton Eastleigh
£774
KLM
23 Jun
SOU09:05Southampton Eastleigh
11h 10m
1 stop
ORD14:15Chicago O'Hare Intl
30 Jun
ORD16:20Chicago O'Hare Intl
10h 15m
1 stop
SOU08:35Southampton Eastleigh
£776
KLM
23 Jun
SOU09:05Southampton Eastleigh
18h 43m
2 stops
ORD21:48Chicago O'Hare Intl
30 Jun
ORD16:20Chicago O'Hare Intl
18h 30m
1 stop
SOU16:50Southampton Eastleigh
£783

British Airways flights from Southampton to Chicago O'Hare Intl Airport

Our best British Airways deals on Southampton to Chicago O'Hare Intl Airport flight tickets
British Airways
9 Sept
SOU20:00Southampton Eastleigh
29h 15m
1 stop
ORD19:15Chicago O'Hare Intl
13 Sept
ORD15:45Chicago O'Hare Intl
10h 55m
1 stop
SOU08:40Southampton Eastleigh
£814
British Airways
9 Sept
SOU06:45Southampton Eastleigh
17h 30m
2 stops
ORD18:15Chicago O'Hare Intl
13 Sept
ORD15:45Chicago O'Hare Intl
10h 55m
1 stop
SOU08:40Southampton Eastleigh
£818
British Airways
9 Sept
SOU06:45Southampton Eastleigh
17h 30m
2 stops
ORD18:15Chicago O'Hare Intl
13 Sept
ORD21:15Chicago O'Hare Intl
16h 10m
2 stops
SOU19:25Southampton Eastleigh
£828

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Chicago O'Hare Intl Airport 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, momondo users made 279,928 searches. Data last updated 12 May 2026.
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 - ORD

SOUORD

Southampton Eastleigh

Tue 9/6

09:20-19:15

1 stop15h 55m

Chicago O'Hare Intl

Mon 15/6

21:00-19:30

1 stop16h 30m

£645

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 9/6

09:20-19:15

1 stop15h 55m

Chicago O'Hare Intl

Mon 15/6

21:00-08:35

2 stops29h 35m

£727

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 23/6

17:20-15:10

2 stops27h 50m

Chicago O'Hare Intl

Tue 30/6

17:10-08:35

2 stops33h 25m

£749

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 23/6

09:05-14:15

1 stop11h 10m

Chicago O'Hare Intl

Tue 30/6

16:20-16:50

1 stop18h 30m

£774
Fastest return journey

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 23/6

09:05-14:15

1 stop11h 10m

Chicago O'Hare Intl

Tue 30/6

16:20-08:35

1 stop10h 15m

£776

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 9/6

17:20-18:15

3 stops30h 55m

Chicago O'Hare Intl

Mon 15/6

19:25-19:30

2 stops18h 05m

£777

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 23/6

09:05-21:48

2 stops18h 43m

Chicago O'Hare Intl

Tue 30/6

16:20-16:50

1 stop18h 30m

£783

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 23/6

09:05-21:48

2 stops18h 43m

Chicago O'Hare Intl

Tue 30/6

18:22-16:50

2 stops16h 28m

£784

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 9/6

17:20-18:15

3 stops30h 55m

Chicago O'Hare Intl

Mon 15/6

19:25-08:35

3 stops31h 10m

£791

SouthamptonChicago

SOU - ORD

SOUORD

Southampton Eastleigh

Tue 9/6

09:20-19:25

2 stops16h 05m

Chicago O'Hare Intl

Mon 15/6

09:55-16:50

2 stops24h 55m

£813

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Southampton to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart from Southampton to Chicago O'Hare Intl Airport is on a Thursday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Thursday will often find tickets for as low as £637. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Sunday is £665.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is at midday when flights can be purchased for as low as £637. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £661.

When to book flights from Southampton to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Southampton to Chicago O'Hare Intl Airport (SOU to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Chicago O'Hare Intl Airport

Fastest flight time

27h 50m

Direct flights

None
The fastest flight from Southampton to Chicago O'Hare Intl Airport takes 27h 50m
There are no direct flights from Southampton to Chicago O'Hare Intl Airport. There are no popular flight routes from Southampton to Chicago O'Hare Intl Airport.
Search flight deals

Frequently asked questions about flying from Southampton to Chicago O'Hare Intl Airport

  • How far is Southampton Eastleigh to Chicago O'Hare Intl by plane?

    A flight from Southampton Eastleigh to Chicago O'Hare Intl will travel around 3920.9 mi. Typically, this will take 27h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Southampton Eastleigh Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Southampton Eastleigh Airport to Chicago O'Hare Intl Airport refresh daily.

  • How old do you have to be to fly from Southampton Eastleigh Airport to Chicago O'Hare Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Gurnee
Lincolnshire
Racine
Schaumburg
Willowbrook
Evanston
Lake Geneva
Joliet
Oak Park
Northbrook
Rosemont

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Southampton.

Can I find flights from Southampton to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from Southampton on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Southampton to Chicago?

momondo provides multiple filters to help you find the best flight to Chicago from Southampton. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Southampton to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Southampton. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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