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Cheap flights from Illinois to London from $496

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to London departing on 2/8. 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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Cheap round-trip flights

Aer Lingus Logo
3:45 pm - 8:15 amORD-SOU
10h 30m1 stop
Aer Lingus Logo
9:40 am - 7:00 pmSOU-ORD
15h 20m1 stop
$849Aer Lingus
Find Deal
Mon, Sep 29 - Mon, Oct 6
Logo
9:15 pm - 8:05 amORD-SOU
28h 50m1 stop
Logo
8:00 pm - 12:35 pmSOU-ORD
46h 35m2 stops
$892
Find Deal
Mon, Sep 29 - Tue, Oct 14
Virgin Atlantic Logo
4:40 pm - 8:45 amORD-SOU
10h 05m1 stop
Virgin Atlantic Logo
9:20 am - 2:10 pmSOU-ORD
10h 50m1 stop
$900Virgin Atlantic
Find Deal
Mon, Sep 29 - Tue, Oct 14
Virgin Atlantic Logo
6:30 pm - 8:45 amMDW-SOU
32h 15m2 stops
Virgin Atlantic Logo
5:35 pm - 6:25 pmSOU-MDW
30h 50m2 stops
$904Virgin Atlantic
Find Deal
Mon, Sep 29 - Tue, Oct 14
KLM Logo
4:40 pm - 5:00 pmORD-SOU
18h 20m1 stop
KLM Logo
5:35 pm - 2:40 pmSOU-ORD
27h 05m1 stop
$922KLM
Find Deal
Wed, Oct 1 - Tue, Oct 7
Delta Logo
4:15 pm - 8:45 amORD-SOU
10h 30m1 stop
Delta Logo
9:20 am - 2:10 pmSOU-ORD
10h 50m1 stop
$924Delta
Find Deal
Sun, Oct 12 - Tue, Oct 21
KLM Logo
1:00 pm - 8:45 amORD-SOU
13h 45m2 stops
KLM Logo
5:35 pm - 2:40 pmSOU-ORD
27h 05m1 stop
$927KLM
Find Deal
Wed, Oct 1 - Tue, Oct 7
Delta Logo
3:50 pm - 5:00 pmORD-SOU
19h 10m2 stops
Delta Logo
5:35 pm - 2:10 pmSOU-ORD
26h 35m1 stop
$928Delta
Find Deal
Sun, Oct 12 - Mon, Oct 20
KLM Logo
11:20 am - 8:45 amORD-SOU
15h 25m2 stops
KLM Logo
9:20 am - 9:19 pmSOU-ORD
17h 59m2 stops
$931KLM
Find Deal
Mon, Sep 29 - Tue, Oct 14
Delta Logo
4:25 pm - 5:00 pmORD-SOU
18h 35m1 stop
Delta Logo
6:05 pm - 5:36 pmSOU-ORD
29h 31m2 stops
$934Delta
Find Deal
Mon, Nov 3 - Mon, Nov 17

Aer Lingus flights from Illinois to Southampton

Our best Aer Lingus deals on Illinois to Southampton flight tickets
Aer Lingus
Sep 29
ORD3:45 pmChicago O'Hare Intl
10h 30m
1 stop
SOU8:15 amSouthampton Eastleigh
Oct 6
SOU9:40 amSouthampton Eastleigh
15h 20m
1 stop
ORD7:00 pmChicago O'Hare Intl
$849
Find similar
Aer Lingus
Sep 13
ORD9:15 pmChicago O'Hare Intl
29h 55m
1 stop
SOU9:10 amSouthampton Eastleigh
Oct 2
SOU9:40 amSouthampton Eastleigh
15h 20m
1 stop
ORD7:00 pmChicago O'Hare Intl
$979
Find similar
Aer Lingus
Dec 11
ORD7:40 pmChicago O'Hare Intl
18h 00m
1 stop
SOU7:40 pmSouthampton Eastleigh
Dec 19
SOU9:30 amSouthampton Eastleigh
14h 25m
1 stop
ORD5:55 pmChicago O'Hare Intl
$1,072
Find similar

Virgin Atlantic flights from Illinois to Southampton

Our best Virgin Atlantic deals on Illinois to Southampton flight tickets
Virgin Atlantic
Sep 29
ORD4:40 pmChicago O'Hare Intl
10h 05m
1 stop
SOU8:45 amSouthampton Eastleigh
Oct 14
SOU9:20 amSouthampton Eastleigh
10h 50m
1 stop
ORD2:10 pmChicago O'Hare Intl
$900
Find similar
Virgin Atlantic
Sep 29
MDW6:30 pmChicago Midway
32h 15m
2 stops
SOU8:45 amSouthampton Eastleigh
Oct 14
SOU5:35 pmSouthampton Eastleigh
30h 50m
2 stops
MDW6:25 pmChicago Midway
$904
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated August 17, 2025.
Use the filters below to find and compare flights from Illinois to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 9/29

3:45 pm-8:15 am

1 stop10h 30m

Southampton Eastleigh

Mon 10/6

9:40 am-7:00 pm

1 stop15h 20m

$849

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 9/29

9:15 pm-8:05 am

1 stop28h 50m

Southampton Eastleigh

Tue 10/14

8:00 pm-12:35 pm

2 stops46h 35m

$892

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 9/29

4:40 pm-8:45 am

1 stop10h 05m

Southampton Eastleigh

Tue 10/14

9:20 am-2:10 pm

1 stop10h 50m

$900

ChicagoSouthampton

MDW - SOU

MDWSOU

Chicago Midway

Mon 9/29

6:30 pm-8:45 am

2 stops32h 15m

Southampton Eastleigh

Tue 10/14

5:35 pm-6:25 pm

2 stops30h 50m

$904

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 10/1

4:40 pm-5:00 pm

1 stop18h 20m

Southampton Eastleigh

Tue 10/7

5:35 pm-2:40 pm

1 stop27h 05m

$922

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 10/12

4:15 pm-8:45 am

1 stop10h 30m

Southampton Eastleigh

Tue 10/21

9:20 am-2:10 pm

1 stop10h 50m

$924

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Wed 10/1

1:00 pm-8:45 am

2 stops13h 45m

Southampton Eastleigh

Tue 10/7

5:35 pm-2:40 pm

1 stop27h 05m

$927

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Sun 10/12

3:50 pm-5:00 pm

2 stops19h 10m

Southampton Eastleigh

Mon 10/20

5:35 pm-2:10 pm

1 stop26h 35m

$928

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 9/29

11:20 am-8:45 am

2 stops15h 25m

Southampton Eastleigh

Tue 10/14

9:20 am-9:19 pm

2 stops17h 59m

$931

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

Mon 11/3

4:25 pm-5:00 pm

1 stop18h 35m

Southampton Eastleigh

Mon 11/17

6:05 pm-5:36 pm

2 stops29h 31m

$934

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 Illinois 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 day to depart on your flight to Southampton?

On average, the least expensive day to fly to Southampton from Illinois is on a Sunday. momondo users have found tickets for Sunday departures for as low as $803. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Southampton for around $1,258.

What is the cheapest time of day to depart on your flight to Southampton?

Flying to Southampton from Illinois in the evening is the least expensive time of day to depart. momondo users have found prices as low as $768 when looking at flights departing in the evening. Flights to Southampton are more costly in the morning, with an average ticket price of $1,075. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Illinois to Southampton flight deals and tips

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

Best Price Found

$496

Fastest flight time

9h 55m

Direct flights

None

Airports in Southampton

1 airport
The best one-way flight to Southampton from Illinois in the past 72 hours is $496. The best round-trip flight deal from Illinois to Southampton found on momondo in the last 72 hours is $849.
The fastest flight from Illinois to Southampton takes 9h 55m
There are no direct flights from Illinois to Southampton. Popular non-direct routes for this connection are Chicago Midway Airport - Southampton Eastleigh Airport and Chicago O'Hare Intl Airport - Southampton Eastleigh Airport.
There is 1 airport near Southampton: Southampton Eastleigh (SOU)
Search flight deals

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

    Prices for flights from Illinois to Southampton Eastleigh Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Southampton Eastleigh Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Southampton Eastleigh Airport.

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

    The required travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Southampton

Compare and see reviews for airlines that fly from Illinois to Southampton with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $653Free CancellationRating
7.2
1,220 reviews
Search Aer Lingus flights

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 Illinois to Southampton?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Southampton for you.

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

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

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

Once you have performed a search for Illinois to Southampton flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Illinois 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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