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Cheap flights from Chicago to London from $395

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 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

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Find the cheapest flights from Chicago to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
4:50 pm - 4:50 pm
ORD
-
SOU
18h 00m
1 stop
KLM Logo
9:05 am - 2:15 pm
SOU
-
ORD
11h 10m
1 stop
$1,010KLM
ons., sep. 2 - fre., sep. 11
Virgin Atlantic Logo
10:30 am - 8:35 am
ORD
-
SOU
16h 05m
2 stops
Virgin Atlantic Logo
9:05 am - 2:15 pm
SOU
-
ORD
11h 10m
1 stop
$1,015Virgin Atlantic
ons., sep. 2 - fre., sep. 11
Virgin Atlantic Logo
10:30 am - 8:35 am
ORD
-
SOU
16h 05m
2 stops
Virgin Atlantic Logo
9:05 am - 10:06 pm
SOU
-
ORD
19h 01m
2 stops
$1,024Virgin Atlantic
ons., sep. 2 - fre., sep. 11
Aer Lingus Logo
9:00 pm - 7:30 pm
ORD
-
SOU
16h 30m
1 stop
Aer Lingus Logo
9:20 am - 7:45 pm
SOU
-
ORD
16h 25m
2 stops
$1,183Aer Lingus
ons., sep. 2 - fre., sep. 11
Multiple Airlines Logo
9:00 pm - 7:30 pm
ORD
-
SOU
16h 30m
1 stop
Multiple Airlines Logo
9:20 am - 7:15 pm
SOU
-
ORD
15h 55m
1 stop
$1,188Multiple Airlines
ons., sep. 2 - fre., sep. 11
Aer Lingus Logo
9:00 pm - 7:30 pm
ORD
-
SOU
16h 30m
1 stop
Aer Lingus Logo
9:15 am - 7:15 pm
SOU
-
ORD
16h 00m
1 stop
$1,189Aer Lingus
fre., juli 10 - tir., juli 21
Multiple Airlines Logo
3:45 pm - 7:25 pm
ORD
-
SOU
21h 40m
3 stops
Multiple Airlines Logo
5:20 pm - 4:05 pm
SOU
-
ORD
28h 45m
2 stops
$1,201Multiple Airlines
ons., sep. 2 - fre., sep. 11
Delta Logo
4:50 pm - 5:35 pm
ORD
-
SOU
18h 45m
1 stop
Delta Logo
9:15 am - 2:15 pm
SOU
-
ORD
11h 00m
1 stop
$1,218Delta
man., juli 20 - tir., juli 28
Delta Logo
4:50 pm - 4:50 pm
ORD
-
SOU
18h 00m
1 stop
Delta Logo
5:20 pm - 2:15 pm
SOU
-
ORD
26h 55m
1 stop
$1,219Delta
man., maj 4 - tor., maj 21
Aer Lingus Logo
3:45 pm - 8:40 am
ORD
-
SOU
10h 55m
1 stop
Aer Lingus Logo
9:20 am - 7:15 pm
SOU
-
ORD
15h 55m
1 stop
$1,222Aer Lingus
fre., maj 29 - fre., juni 5

KLM flights from Chicago to Southampton

Our best KLM deals on Chicago to Southampton flight tickets
KLM
Sep 2
ORD4:50 pmChicago O'Hare Intl
18h 00m
1 stop
SOU4:50 pmSouthampton Eastleigh
Sep 11
SOU9:05 amSouthampton Eastleigh
11h 10m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,010
KLM
Apr 19
ORD4:20 pmChicago O'Hare Intl
10h 15m
1 stop
SOU8:35 amSouthampton Eastleigh
Apr 26
SOU5:20 pmSouthampton Eastleigh
27h 10m
1 stop
ORD2:30 pmChicago O'Hare Intl
$1,272
KLM
Jul 7
ORD4:20 pmChicago O'Hare Intl
10h 25m
1 stop
SOU8:45 amSouthampton Eastleigh
Jul 20
SOU6:05 pmSouthampton Eastleigh
26h 10m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,300

Virgin Atlantic flights from Chicago to Southampton

Our best Virgin Atlantic deals on Chicago to Southampton flight tickets
Virgin Atlantic
Sep 2
ORD10:30 amChicago O'Hare Intl
16h 05m
2 stops
SOU8:35 amSouthampton Eastleigh
Sep 11
SOU9:05 amSouthampton Eastleigh
11h 10m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,015
Virgin Atlantic
Sep 2
ORD10:30 amChicago O'Hare Intl
16h 05m
2 stops
SOU8:35 amSouthampton Eastleigh
Sep 11
SOU9:05 amSouthampton Eastleigh
19h 01m
2 stops
ORD10:06 pmChicago O'Hare Intl
$1,024
Virgin Atlantic
Apr 26
ORD4:20 pmChicago O'Hare Intl
10h 15m
1 stop
SOU8:35 amSouthampton Eastleigh
Apr 29
SOU9:05 amSouthampton Eastleigh
11h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
$1,822

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 april 18, 2026.
Use the filters below to find and compare flights from Chicago 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

ons. 9/2

4:50 pm-4:50 pm

1 stop18h 00m

Southampton Eastleigh

fre. 9/11

9:05 am-2:15 pm

1 stop11h 10m

$1,010

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

ons. 9/2

10:30 am-8:35 am

2 stops16h 05m

Southampton Eastleigh

fre. 9/11

9:05 am-2:15 pm

1 stop11h 10m

$1,015

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

ons. 9/2

10:30 am-8:35 am

2 stops16h 05m

Southampton Eastleigh

fre. 9/11

9:05 am-10:06 pm

2 stops19h 01m

$1,024

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

ons. 9/2

9:00 pm-7:30 pm

1 stop16h 30m

Southampton Eastleigh

fre. 9/11

9:20 am-7:45 pm

2 stops16h 25m

$1,183

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

ons. 9/2

9:00 pm-7:30 pm

1 stop16h 30m

Southampton Eastleigh

fre. 9/11

9:20 am-7:15 pm

1 stop15h 55m

$1,188

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

fre. 7/10

9:00 pm-7:30 pm

1 stop16h 30m

Southampton Eastleigh

tir. 7/21

9:15 am-7:15 pm

1 stop16h 00m

$1,189

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

ons. 9/2

3:45 pm-7:25 pm

3 stops21h 40m

Southampton Eastleigh

fre. 9/11

5:20 pm-4:05 pm

2 stops28h 45m

$1,201

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

man. 7/20

4:50 pm-5:35 pm

1 stop18h 45m

Southampton Eastleigh

tir. 7/28

9:15 am-2:15 pm

1 stop11h 00m

$1,218

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

man. 5/4

4:50 pm-4:50 pm

1 stop18h 00m

Southampton Eastleigh

tor. 5/21

5:20 pm-2:15 pm

1 stop26h 55m

$1,219
Quickest round-trip

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

fre. 5/29

3:45 pm-8:40 am

1 stop10h 55m

Southampton Eastleigh

fre. 6/5

9:20 am-7:15 pm

1 stop15h 55m

$1,222

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago 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 typical price of a round-trip flight between Chicago and Southampton?

When to book flights from Chicago to Southampton

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

Cheap Chicago to Southampton (CHI to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Southampton

Fastest flight time

10h 15m

Direct flights

None
The fastest flight from Chicago to Southampton takes 10h 15m
There are no direct flights from Chicago to Southampton. There are no popular flight routes from Chicago to Southampton.
Search flight deals

Frequently asked questions about flying from Chicago to Southampton

  • How far is Chicago to Southampton Eastleigh by plane?

    Chicago and Southampton Eastleigh are 3914.9 mi apart from one another. 10h 15m is a normal flight duration for this route.

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

    Prices for flights from Chicago to Southampton Eastleigh Airport were last updated today.

  • How old do you have to be to fly from Chicago to Southampton Eastleigh 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 Chicago 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 to Southampton?

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

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

Once all potential Chicago to Southampton flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chicago to Southampton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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