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Cheap flights from Illinois to Saint Lucia from $144

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 Saint Lucia departing on 6/22. 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 Illinois to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:22 pm - 2:05 pm
ORD
-
UVF
42h 43m
2 stops
Air Canada Logo
3:05 pm - 9:50 am
UVF
-
ORD
19h 45m
1 stop
$382Air Canada
Sun, May 24 - Tue, Jun 2
Air Canada Logo
8:20 pm - 2:05 pm
ORD
-
UVF
16h 45m
1 stop
Air Canada Logo
3:05 pm - 10:18 am
UVF
-
ORD
20h 13m
2 stops
$386Air Canada
Mon, May 25 - Tue, Jun 2
Air Canada Logo
1:55 pm - 2:05 pm
ORD
-
UVF
23h 10m
2 stops
Air Canada Logo
3:05 pm - 9:50 am
UVF
-
ORD
19h 45m
1 stop
$390Air Canada
Thu, May 28 - Tue, Jun 2
Air Canada Logo
6:22 pm - 2:05 pm
ORD
-
UVF
18h 43m
2 stops
Air Canada Logo
3:05 pm - 10:18 am
UVF
-
ORD
20h 13m
2 stops
$391Air Canada
Mon, May 25 - Tue, Jun 2
Multiple Airlines Logo
3:20 pm - 1:40 pm
MDW
-
UVF
21h 20m
1 stop
Multiple Airlines Logo
2:30 pm - 2:35 pm
UVF
-
MDW
25h 05m
1 stop
$574Multiple Airlines
Wed, Jun 10 - Sun, Jun 14
Multiple Airlines Logo
9:50 am - 2:20 pm
STL
-
UVF
27h 30m
3 stops
Multiple Airlines Logo
3:05 pm - 12:21 pm
UVF
-
STL
22h 16m
1 stop
$580Multiple Airlines
Thu, Jun 18 - Tue, Jun 23
American Airlines Logo
5:00 am - 2:15 pm
PIA
-
UVF
8h 15m
1 stop
American Airlines Logo
3:15 pm - 12:04 am
UVF
-
PIA
9h 49m
1 stop
$662American Airlines
Mon, Aug 24 - Fri, Aug 28
American Airlines Logo
6:30 pm - 2:15 pm
PIA
-
UVF
18h 45m
2 stops
American Airlines Logo
3:09 pm - 10:51 am
UVF
-
PIA
20h 42m
2 stops
$667American Airlines
Mon, Aug 24 - Fri, Aug 28
Delta Logo
6:34 pm - 1:58 pm
MDW
-
UVF
18h 24m
2 stops
Delta Logo
3:18 pm - 12:29 pm
UVF
-
MDW
22h 11m
2 stops
$848Delta
Mon, Mar 23 - Tue, Mar 31
Delta Logo
1:10 pm - 1:58 pm
MDW
-
UVF
23h 48m
2 stops
Delta Logo
3:18 pm - 5:54 pm
UVF
-
MDW
27h 36m
2 stops
$873Delta
Mon, Mar 23 - Mon, Mar 30

Air Canada flights from Illinois to Saint Lucia

Our best Air Canada deals on Illinois to Saint Lucia flight tickets
Air Canada
May 24
ORD6:22 pmChicago O'Hare Intl
42h 43m
2 stops
UVF2:05 pmCastries Hewanorra
Jun 2
UVF3:05 pmCastries Hewanorra
19h 45m
1 stop
ORD9:50 amChicago O'Hare Intl
$382
Air Canada
May 25
ORD8:20 pmChicago O'Hare Intl
16h 45m
1 stop
UVF2:05 pmCastries Hewanorra
Jun 2
UVF3:05 pmCastries Hewanorra
20h 13m
2 stops
ORD10:18 amChicago O'Hare Intl
$386
Air Canada
May 28
ORD9:15 pmChicago O'Hare Intl
15h 50m
1 stop
UVF2:05 pmCastries Hewanorra
Jun 2
UVF3:05 pmCastries Hewanorra
19h 45m
1 stop
ORD9:50 amChicago O'Hare Intl
$390

American Airlines flights from Illinois to Saint Lucia

Our best American Airlines deals on Illinois to Saint Lucia flight tickets
American Airlines
Aug 24
PIA5:00 amGreater Peoria
8h 15m
1 stop
UVF2:15 pmCastries Hewanorra
Aug 28
UVF3:15 pmCastries Hewanorra
9h 49m
1 stop
PIA12:04 amGreater Peoria
$662
American Airlines
Aug 24
PIA6:30 pmGreater Peoria
18h 45m
2 stops
UVF2:15 pmCastries Hewanorra
Aug 28
UVF3:09 pmCastries Hewanorra
20h 42m
2 stops
PIA10:51 amGreater Peoria
$667
American Airlines
Aug 22
STL4:32 pmLambert-St Louis
20h 37m
2 stops
UVF2:09 pmCastries Hewanorra
Aug 25
UVF3:15 pmCastries Hewanorra
9h 40m
1 stop
STL11:55 pmLambert-St Louis
$675

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Saint Lucia 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 March 12, 2026.
Use the filters below to find and compare flights from Illinois to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Sun 5/24

6:22 pm-2:05 pm

2 stops42h 43m

Castries Hewanorra

Tue 6/2

3:05 pm-9:50 am

1 stop19h 45m

$382

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 5/25

8:20 pm-2:05 pm

1 stop16h 45m

Castries Hewanorra

Tue 6/2

3:05 pm-10:18 am

2 stops20h 13m

$386

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 5/28

1:55 pm-2:05 pm

2 stops23h 10m

Castries Hewanorra

Tue 6/2

3:05 pm-9:50 am

1 stop19h 45m

$390

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 5/25

6:22 pm-2:05 pm

2 stops18h 43m

Castries Hewanorra

Tue 6/2

3:05 pm-10:18 am

2 stops20h 13m

$391

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 6/10

3:20 pm-1:40 pm

1 stop21h 20m

Castries Hewanorra

Sun 6/14

2:30 pm-2:35 pm

1 stop25h 05m

$574

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Thu 6/18

9:50 am-2:20 pm

3 stops27h 30m

Castries Hewanorra

Tue 6/23

3:05 pm-12:21 pm

1 stop22h 16m

$580
Quickest round-trip

PeoriaCastries

PIA - UVF

PIAUVF

Greater Peoria

Mon 8/24

5:00 am-2:15 pm

1 stop8h 15m

Castries Hewanorra

Fri 8/28

3:15 pm-12:04 am

1 stop9h 49m

$662

PeoriaCastries

PIA - UVF

PIAUVF

Greater Peoria

Mon 8/24

6:30 pm-2:15 pm

2 stops18h 45m

Castries Hewanorra

Fri 8/28

3:09 pm-10:51 am

2 stops20h 42m

$667

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Mon 3/23

6:34 pm-1:58 pm

2 stops18h 24m

Castries Hewanorra

Tue 3/31

3:18 pm-12:29 pm

2 stops22h 11m

$848

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Mon 3/23

1:10 pm-1:58 pm

2 stops23h 48m

Castries Hewanorra

Mon 3/30

3:18 pm-5:54 pm

2 stops27h 36m

$873

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 Saint Lucia from

How to get the cheapest flight ticket from Illinois to Saint Lucia

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 Illinois to Saint Lucia flight route?

Fly from Chicago O'Hare Intl to Castries Hewanorra for the best Illinois - Saint Lucia flight prices

What cabin class options are available on Illinois to Saint Lucia flights?

There is only 1 cabin class available to choose from on Illinois to Saint Lucia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Saint Lucia flights?

You could potentially save up to 49% on your flight if you consider stops on a Illinois to Saint Lucia flight.

Cheap Illinois to Saint Lucia flight deals and tips

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

Best Price Found

$1,085

Fastest flight time

5h 33m

Direct flights

Sun

Airports in Saint Lucia

7 airports
The best flight deal from Illinois to Saint Lucia found on momondo in the last 72 hours is $1,085
The fastest flight from Illinois to Saint Lucia takes 5h 33m
Direct flights go from Illinois to Saint Lucia on Sunday. There are no airlines offering direct flights.
There are 7 airports in Saint Lucia. From Illinois there are direct flights to Castries Hewanorra (UVF).
Search flight deals

  • When did momondo last update prices for flights from Illinois to Saint Lucia?

    Prices for flights from Illinois to Saint Lucia were last updated today.

  • How many operators does momondo search for flights from Illinois to Saint Lucia?

  • How old do you have to be to fly from Illinois to Saint Lucia?

    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 Illinois to Saint Lucia.

  • What documentation or ID do you need to fly to Saint Lucia?

    The travel and health documents you'll need for your trip to Saint Lucia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Illinois to Saint Lucia?

Best airlines flying from Illinois to Saint Lucia

Compare and see reviews for airlines that fly from Illinois to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $443Free CancellationRating
7.1
11,435 reviews
Search American Airlines flights
DeltaPriceFrom $546Free CancellationRating
7.9
8,286 reviews
Search Delta flights
United AirlinesPriceFrom $558Free CancellationRating
7.4
9,418 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Saint Lucia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Lucia from Illinois.

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

momondo does allow users to show only those flights to Saint Lucia from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Saint Lucia?

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 Saint Lucia from Illinois.

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

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

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