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Cheap flights from Illinois to London from $393

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 8/26. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:45 pm - 12:50 pmORD  Chicago O'Hare Intl-SOU Southampton Eastleigh
15h 05m2 stops Dublin Glasgow Intl
Multiple Airlines Logo
9:20 am - 7:15 pmSOU  Southampton Eastleigh-ORD Chicago O'Hare Intl
15h 55m1 stop Dublin
$900Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
7:25 pm - 7:30 pmORD  Chicago O'Hare Intl-SOU Southampton Eastleigh
18h 05m3 stops Reykjavik Keflavik Intl Manchester Dublin
Multiple Airlines Logo
7:20 pm - 2:15 pmSOU  Southampton Eastleigh-ORD Chicago O'Hare Intl
24h 55m2 stops Barcelona-El Prat Amsterdam Schiphol
$921Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
5:35 pm - 7:30 pmORD  Chicago O'Hare Intl-SOU Southampton Eastleigh
19h 55m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
7:20 pm - 2:15 pmSOU  Southampton Eastleigh-ORD Chicago O'Hare Intl
24h 55m2 stops Barcelona-El Prat Amsterdam Schiphol
$926Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
7:25 pm - 10:15 amORD  Chicago O'Hare Intl-SOU Southampton Eastleigh
32h 50m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
9:20 am - 7:15 pmSOU  Southampton Eastleigh-ORD Chicago O'Hare Intl
15h 55m1 stop Dublin
$936Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
7:25 pm - 10:15 amORD  Chicago O'Hare Intl-SOU Southampton Eastleigh
32h 50m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
9:20 am - 7:15 pmSOU  Southampton Eastleigh-ORD Chicago O'Hare Intl
15h 55m1 stop Dublin
$937Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
7:25 pm - 10:15 amORD  Chicago O'Hare Intl-SOU Southampton Eastleigh
32h 50m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
9:20 am - 7:15 pmSOU  Southampton Eastleigh-ORD Chicago O'Hare Intl
15h 55m1 stop Dublin
$939Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
9:55 am - 12:50 pmORD  Chicago O'Hare Intl-SOU Southampton Eastleigh
20h 55m2 stops Toronto Pearson Intl Glasgow Intl
Multiple Airlines Logo
7:20 pm - 2:15 pmSOU  Southampton Eastleigh-ORD Chicago O'Hare Intl
24h 55m2 stops Barcelona-El Prat Amsterdam Schiphol
$954Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
9:55 am - 12:50 pmORD  Chicago O'Hare Intl-SOU Southampton Eastleigh
20h 55m2 stops Toronto Pearson Intl Glasgow Intl
Multiple Airlines Logo
7:20 pm - 2:15 pmSOU  Southampton Eastleigh-ORD Chicago O'Hare Intl
24h 55m2 stops Barcelona-El Prat Amsterdam Schiphol
$957Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
3:40 pm - 7:30 pmORD  Chicago O'Hare Intl-SOU Southampton Eastleigh
21h 50m2 stops Montreal Pierre Elliott Trudeau Intl Dublin
Multiple Airlines Logo
8:00 pm - 7:55 pmSOU  Southampton Eastleigh-ORD Chicago O'Hare Intl
29h 55m2 stops Dublin Frankfurt am Main
$978Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Aer Lingus Logo
3:45 pm - 7:30 pmORD  Chicago O'Hare Intl-SOU Southampton Eastleigh
21h 45m1 stop Dublin
Aer Lingus Logo
9:20 am - 7:15 pmSOU  Southampton Eastleigh-ORD Chicago O'Hare Intl
15h 55m1 stop Dublin
$992Aer Lingus
Mon, Sep 28 - Mon, Oct 5

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Aer Lingus flights from Illinois to Southampton

Our best Aer Lingus deals on Illinois to Southampton flight tickets
Aer Lingus
Sep 28
ORD3:45 pmChicago O'Hare Intl
21h 45m
1 stop
SOU7:30 pmSouthampton Eastleigh
Oct 5
SOU9:20 amSouthampton Eastleigh
15h 55m
1 stop
ORD7:15 pmChicago O'Hare Intl
$992
Aer Lingus
Sep 28
ORD9:00 pmChicago O'Hare Intl
16h 30m
1 stop
SOU7:30 pmSouthampton Eastleigh
Oct 5
SOU9:20 amSouthampton Eastleigh
15h 55m
1 stop
ORD7:15 pmChicago O'Hare Intl
$1,039
Aer Lingus
Aug 18
ORD3:45 pmChicago O'Hare Intl
10h 20m
1 stop
SOU8:05 amSouthampton Eastleigh
Sep 2
SOU9:20 amSouthampton Eastleigh
15h 55m
1 stop
ORD7:15 pmChicago O'Hare Intl
$1,375

Virgin Atlantic flights from Illinois to Southampton

Our best Virgin Atlantic deals on Illinois to Southampton flight tickets
Virgin Atlantic
Sep 28
ORD4:50 pmChicago O'Hare Intl
18h 00m
1 stop
SOU4:50 pmSouthampton Eastleigh
Oct 5
SOU5:20 pmSouthampton Eastleigh
26h 55m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,009
Virgin Atlantic
Sep 28
ORD4:50 pmChicago O'Hare Intl
18h 00m
1 stop
SOU4:50 pmSouthampton Eastleigh
Oct 5
SOU5:20 pmSouthampton Eastleigh
26h 55m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,041
Virgin Atlantic
Sep 28
ORD4:50 pmChicago O'Hare Intl
18h 00m
1 stop
SOU4:50 pmSouthampton Eastleigh
Oct 5
SOU5:20 pmSouthampton Eastleigh
26h 55m
1 stop
ORD2:15 pmChicago O'Hare Intl
$1,055

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 16, 2026.
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

Cheapest round-trip
Quickest round-trip

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 9/28

3:45 pm-12:50 pm

2 stops15h 05m

Southampton Eastleigh

Mon 10/5

9:20 am-7:15 pm

1 stop15h 55m

$900

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 9/28

7:25 pm-7:30 pm

3 stops18h 05m

Southampton Eastleigh

Mon 10/5

7:20 pm-2:15 pm

2 stops24h 55m

$921

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 9/28

5:35 pm-7:30 pm

2 stops19h 55m

Southampton Eastleigh

Mon 10/5

7:20 pm-2:15 pm

2 stops24h 55m

$926

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 9/28

7:25 pm-10:15 am

2 stops32h 50m

Southampton Eastleigh

Mon 10/5

9:20 am-7:15 pm

1 stop15h 55m

$936

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 9/28

7:25 pm-10:15 am

2 stops32h 50m

Southampton Eastleigh

Mon 10/5

9:20 am-7:15 pm

1 stop15h 55m

$937

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 9/28

7:25 pm-10:15 am

2 stops32h 50m

Southampton Eastleigh

Mon 10/5

9:20 am-7:15 pm

1 stop15h 55m

$939

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 9/28

9:55 am-12:50 pm

2 stops20h 55m

Southampton Eastleigh

Mon 10/5

7:20 pm-2:15 pm

2 stops24h 55m

$954

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 9/28

9:55 am-12:50 pm

2 stops20h 55m

Southampton Eastleigh

Mon 10/5

7:20 pm-2:15 pm

2 stops24h 55m

$957

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 9/28

3:40 pm-7:30 pm

2 stops21h 50m

Southampton Eastleigh

Mon 10/5

8:00 pm-7:55 pm

2 stops29h 55m

$978

ChicagoSouthampton

ORD Chicago O'Hare Intl - SOU Southampton Eastleigh

ORDSOU

Chicago O'Hare Intl

Mon 9/28

3:45 pm-7:30 pm

1 stop21h 45m

Southampton Eastleigh

Mon 10/5

9:20 am-7:15 pm

1 stop15h 55m

$992

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 month to fly to Southampton?

If you don’t want to visit Southampton in December, then you should wait until November to fly from Illinois, when ticket prices are also cheap, with an average price of $0.

Cheap Illinois to Southampton flight deals and tips

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

Fastest flight time

10h 20m

Direct flights

None
The fastest flight from Illinois to Southampton takes 10h 20m
There are no direct flights from Illinois to Southampton. There are no popular flight routes from Illinois to Southampton.
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Frequently asked questions about flying from Illinois to Southampton

  • 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 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.

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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