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Cheap flights from Chicago O'Hare Intl Airport to London from $592

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 4/19. 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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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.
Virgin Atlantic Logo
4:20 pm - 8:35 am
ORD
-
SOU
10h 15m
1 stop
Virgin Atlantic Logo
9:05 am - 2:15 pm
SOU
-
ORD
11h 10m
1 stop
$740Virgin Atlantic
Sun, Mar 29 - Tue, Apr 14
Delta Logo
7:00 am - 8:35 am
ORD
-
SOU
19h 35m
2 stops
Delta Logo
9:05 am - 2:15 pm
SOU
-
ORD
11h 10m
1 stop
$792Delta
Sun, Mar 29 - Tue, Apr 14
Delta Logo
7:00 am - 8:35 am
ORD
-
SOU
19h 35m
2 stops
Delta Logo
9:05 am - 7:48 pm
SOU
-
ORD
16h 43m
2 stops
$797Delta
Sun, Mar 29 - Tue, Apr 14
Multiple Airlines Logo
4:05 pm - 7:30 pm
ORD
-
SOU
21h 25m
3 stops
Multiple Airlines Logo
6:10 pm - 5:50 pm
SOU
-
ORD
29h 40m
3 stops
$819Multiple Airlines
Sun, Mar 29 - Tue, Apr 14
Multiple Airlines Logo
7:25 pm - 4:35 pm
ORD
-
SOU
15h 10m
2 stops
Multiple Airlines Logo
9:10 am - 9:25 pm
SOU
-
ORD
18h 15m
2 stops
$865Multiple Airlines
Fri, May 1 - Fri, May 15
Virgin Atlantic Logo
4:20 pm - 4:50 pm
ORD
-
SOU
18h 30m
1 stop
Virgin Atlantic Logo
5:20 pm - 4:18 pm
SOU
-
ORD
28h 58m
2 stops
$873Virgin Atlantic
Sun, Mar 29 - Tue, Apr 14
Multiple Airlines Logo
8:40 am - 5:40 pm
ORD
-
SOU
27h 00m
3 stops
Multiple Airlines Logo
9:10 am - 6:15 pm
SOU
-
ORD
15h 05m
2 stops
$891Multiple Airlines
Sun, Mar 29 - Tue, Apr 14
KLM Logo
4:20 pm - 8:45 am
ORD
-
SOU
10h 25m
1 stop
KLM Logo
9:05 am - 2:15 pm
SOU
-
ORD
11h 10m
1 stop
$899KLM
Fri, May 1 - Fri, May 15
KLM Logo
5:25 pm - 8:20 am
ORD
-
SOU
9h 55m
1 stop
KLM Logo
5:20 pm - 2:30 pm
SOU
-
ORD
27h 10m
1 stop
$942KLM
Sun, Mar 22 - Sun, Mar 29
Aer Lingus Logo
4:50 pm - 8:45 am
ORD
-
SOU
10h 55m
1 stop
Aer Lingus Logo
8:00 pm - 8:01 pm
SOU
-
ORD
30h 01m
2 stops
$944Aer Lingus
Sun, Mar 22 - Sun, Mar 29

Aer Lingus flights from Chicago O'Hare Intl Airport to Southampton

Our best Aer Lingus deals on Chicago O'Hare Intl Airport to Southampton flight tickets
Aer Lingus
Mar 22
ORD4:50 pmChicago O'Hare Intl
10h 55m
1 stop
SOU8:45 amSouthampton Eastleigh
Mar 29
SOU8:00 pmSouthampton Eastleigh
30h 01m
2 stops
ORD8:01 pmChicago O'Hare Intl
$944
Aer Lingus
Mar 22
ORD10:10 pmChicago O'Hare Intl
32h 45m
2 stops
SOU11:55 amSouthampton Eastleigh
Mar 29
SOU5:05 pmSouthampton Eastleigh
32h 56m
2 stops
ORD8:01 pmChicago O'Hare Intl
$948
Aer Lingus
May 1
ORD3:24 pmChicago O'Hare Intl
22h 06m
2 stops
SOU7:30 pmSouthampton Eastleigh
May 15
SOU8:00 pmSouthampton Eastleigh
21h 30m
1 stop
ORD11:30 amChicago O'Hare Intl
$950

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

Our best British Airways deals on Chicago O'Hare Intl Airport to Southampton flight tickets
British Airways
Jun 13
ORD10:35 pmChicago O'Hare Intl
16h 10m
2 stops
SOU8:45 pmSouthampton Eastleigh
Jun 21
SOU9:10 amSouthampton Eastleigh
16h 05m
1 stop
ORD7:15 pmChicago O'Hare Intl
$5,030
British Airways
Apr 12
ORD3:45 pmChicago O'Hare Intl
10h 55m
1 stop
SOU8:40 amSouthampton Eastleigh
Apr 20
SOU6:50 amSouthampton Eastleigh
17h 25m
2 stops
ORD6:15 pmChicago O'Hare Intl
$5,038

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 February 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

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/29

4:20 pm-8:35 am

1 stop10h 15m

Southampton Eastleigh

Tue 4/14

9:05 am-2:15 pm

1 stop11h 10m

$740

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/29

7:00 am-8:35 am

2 stops19h 35m

Southampton Eastleigh

Tue 4/14

9:05 am-2:15 pm

1 stop11h 10m

$792

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/29

7:00 am-8:35 am

2 stops19h 35m

Southampton Eastleigh

Tue 4/14

9:05 am-7:48 pm

2 stops16h 43m

$797

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/29

4:05 pm-7:30 pm

3 stops21h 25m

Southampton Eastleigh

Tue 4/14

6:10 pm-5:50 pm

3 stops29h 40m

$819

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Fri 5/1

7:25 pm-4:35 pm

2 stops15h 10m

Southampton Eastleigh

Fri 5/15

9:10 am-9:25 pm

2 stops18h 15m

$865

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/29

4:20 pm-4:50 pm

1 stop18h 30m

Southampton Eastleigh

Tue 4/14

5:20 pm-4:18 pm

2 stops28h 58m

$873

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/29

8:40 am-5:40 pm

3 stops27h 00m

Southampton Eastleigh

Tue 4/14

9:10 am-6:15 pm

2 stops15h 05m

$891

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Fri 5/1

4:20 pm-8:45 am

1 stop10h 25m

Southampton Eastleigh

Fri 5/15

9:05 am-2:15 pm

1 stop11h 10m

$899

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/22

5:25 pm-8:20 am

1 stop9h 55m

Southampton Eastleigh

Sun 3/29

5:20 pm-2:30 pm

1 stop27h 10m

$942

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 3/22

4:50 pm-8:45 am

1 stop10h 55m

Southampton Eastleigh

Sun 3/29

8:00 pm-8:01 pm

2 stops30h 01m

$944

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?

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

What airlines fly to Southampton?

British Airways, Iberia and American 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 50% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 17 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 15m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Southampton takes 10h 15m
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

  • 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 15m, 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 many operators does momondo search for flights from Chicago O'Hare Intl Airport to Southampton Eastleigh Airport?

  • 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.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Southampton?

Best airlines flying from Chicago O'Hare Intl Airport to Southampton

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Southampton with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $682Free CancellationRating
7.2
1,445 reviews
Search Aer Lingus flights
KLMPriceFrom $884Free CancellationRating
7.7
1,448 reviews
Search KLM flights

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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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