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Cheap flights from Chicago O'Hare Intl Airport to London from $460

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to London departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Chicago O'Hare Intl Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
4:50 pm - 5:35 pm
ORD
-
SOU
18h 45m
1 stop
KLM Logo
9:05 am - 2:30 pm
SOU
-
ORD
11h 25m
1 stop
$1,010KLM
Wed, Aug 26 - Wed, Sep 9
KLM Logo
12:29 pm - 8:45 am
ORD
-
SOU
14h 16m
2 stops
KLM Logo
9:05 am - 10:06 pm
SOU
-
ORD
19h 01m
2 stops
$1,024KLM
Wed, Aug 26 - Wed, Sep 9
Multiple Airlines Logo
3:50 pm - 7:30 pm
ORD
-
SOU
21h 40m
2 stops
Multiple Airlines Logo
9:20 am - 10:05 pm
SOU
-
ORD
18h 45m
2 stops
$1,128Multiple Airlines
Fri, May 29 - Mon, Jun 8
Multiple Airlines Logo
3:50 pm - 8:25 am
ORD
-
SOU
34h 35m
3 stops
Multiple Airlines Logo
9:20 am - 10:05 pm
SOU
-
ORD
18h 45m
2 stops
$1,170Multiple Airlines
Fri, May 29 - Mon, Jun 8
Multiple Airlines Logo
3:50 pm - 8:25 am
ORD
-
SOU
34h 35m
3 stops
Multiple Airlines Logo
6:25 pm - 7:25 pm
SOU
-
ORD
31h 00m
3 stops
$1,215Multiple Airlines
Fri, May 29 - Mon, Jun 8
Delta Logo
4:20 pm - 8:45 am
ORD
-
SOU
10h 25m
1 stop
Delta Logo
9:15 am - 2:15 pm
SOU
-
ORD
11h 00m
1 stop
$1,230Delta
Tue, Jul 28 - Sat, Aug 8
KLM Logo
4:20 pm - 8:45 am
ORD
-
SOU
10h 25m
1 stop
KLM Logo
9:15 am - 2:15 pm
SOU
-
ORD
11h 00m
1 stop
$1,231KLM
Tue, Jul 28 - Sat, Aug 8
KLM Logo
12:27 pm - 8:45 am
ORD
-
SOU
14h 18m
2 stops
KLM Logo
9:15 am - 2:15 pm
SOU
-
ORD
11h 00m
1 stop
$1,235KLM
Tue, Jul 28 - Sat, Aug 8
Aer Lingus Logo
3:45 pm - 8:05 am
ORD
-
SOU
10h 20m
1 stop
Aer Lingus Logo
9:20 am - 7:15 pm
SOU
-
ORD
15h 55m
1 stop
$1,253Aer Lingus
Tue, Jul 28 - Sat, Aug 8
Multiple Airlines Logo
3:40 pm - 4:50 pm
ORD
-
SOU
19h 10m
2 stops
Multiple Airlines Logo
9:20 am - 12:35 pm
SOU
-
ORD
33h 15m
2 stops
$1,256Multiple Airlines
Mon, Jun 15 - Mon, Jun 22

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KLM flights from Chicago O'Hare Intl Airport to Southampton

Our best KLM deals on Chicago O'Hare Intl Airport to Southampton flight tickets
KLM
Aug 26
ORD4:50 pmChicago O'Hare Intl
18h 45m
1 stop
SOU5:35 pmSouthampton Eastleigh
Sep 9
SOU9:05 amSouthampton Eastleigh
11h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
$1,010
KLM
Aug 26
ORD12:29 pmChicago O'Hare Intl
14h 16m
2 stops
SOU8:45 amSouthampton Eastleigh
Sep 9
SOU9:05 amSouthampton Eastleigh
19h 01m
2 stops
ORD10:06 pmChicago O'Hare Intl
$1,024
KLM
Jul 28
ORD4:20 pmChicago O'Hare Intl
19h 15m
1 stop
SOU5:35 pmSouthampton Eastleigh
Aug 9
SOU9:15 amSouthampton Eastleigh
11h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,292

Delta flights from Chicago O'Hare Intl Airport to Southampton

Our best Delta deals on Chicago O'Hare Intl Airport to Southampton flight tickets
Delta
Jul 28
ORD4:20 pmChicago O'Hare Intl
10h 25m
1 stop
SOU8:45 amSouthampton Eastleigh
Aug 8
SOU9:15 amSouthampton Eastleigh
11h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,230
Delta
Jul 28
ORD4:20 pmChicago O'Hare Intl
10h 25m
1 stop
SOU8:45 amSouthampton Eastleigh
Aug 8
SOU9:15 amSouthampton Eastleigh
11h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,231
Delta
Jul 28
ORD9:45 amChicago O'Hare Intl
17h 00m
2 stops
SOU8:45 amSouthampton Eastleigh
Aug 8
SOU9:15 amSouthampton Eastleigh
11h 00m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,235

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated May 5, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 8/26

4:50 pm-5:35 pm

1 stop18h 45m

Southampton Eastleigh

Wed 9/9

9:05 am-2:30 pm

1 stop11h 25m

$1,010

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 8/26

12:29 pm-8:45 am

2 stops14h 16m

Southampton Eastleigh

Wed 9/9

9:05 am-10:06 pm

2 stops19h 01m

$1,024

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Fri 5/29

3:50 pm-7:30 pm

2 stops21h 40m

Southampton Eastleigh

Mon 6/8

9:20 am-10:05 pm

2 stops18h 45m

$1,128

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Fri 5/29

3:50 pm-8:25 am

3 stops34h 35m

Southampton Eastleigh

Mon 6/8

9:20 am-10:05 pm

2 stops18h 45m

$1,170

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Fri 5/29

3:50 pm-8:25 am

3 stops34h 35m

Southampton Eastleigh

Mon 6/8

6:25 pm-7:25 pm

3 stops31h 00m

$1,215
Quickest round-trip

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 7/28

4:20 pm-8:45 am

1 stop10h 25m

Southampton Eastleigh

Sat 8/8

9:15 am-2:15 pm

1 stop11h 00m

$1,230

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 7/28

4:20 pm-8:45 am

1 stop10h 25m

Southampton Eastleigh

Sat 8/8

9:15 am-2:15 pm

1 stop11h 00m

$1,231

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 7/28

12:27 pm-8:45 am

2 stops14h 18m

Southampton Eastleigh

Sat 8/8

9:15 am-2:15 pm

1 stop11h 00m

$1,235

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Tue 7/28

3:45 pm-8:05 am

1 stop10h 20m

Southampton Eastleigh

Sat 8/8

9:20 am-7:15 pm

1 stop15h 55m

$1,253

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 6/15

3:40 pm-4:50 pm

2 stops19h 10m

Southampton Eastleigh

Mon 6/22

9:20 am-12:35 pm

2 stops33h 15m

$1,256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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 airline that flies from Chicago O'Hare Intl to Southampton Eastleigh?

Delta is the most popular carrier operating from Chicago O'Hare Intl to Southampton Eastleigh

What airlines fly to Southampton?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to Southampton from Chicago O'Hare Intl Airport according to our data. British Airways is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 18 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

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

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

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

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

Fastest flight time

10h 25m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Southampton takes 10h 25m
There are no direct flights from Chicago O'Hare Intl Airport to Southampton. There are no popular flight routes from Chicago O'Hare Intl Airport to Southampton.
Search flight deals

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

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

    Southampton Eastleigh is 3920.9 mi away from Chicago O'Hare Intl. Flights usually cover this in 10h 25m, depending on flying conditions and air traffic around both airports.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The travel and health documents required for your trip to Southampton Eastleigh 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 Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Southampton. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Chicago to Southampton flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southampton from Chicago.

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

If you are not ready to book a flight from Chicago to Southampton now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southampton and let you know when they change.

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