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Cheap flights from Illinois to Saint Lucia from $189

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 5/11. 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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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
8:20 pm - 2:10 pm
ORD
-
UVF
16h 50m
1 stop
Air Canada Logo
3:05 pm - 9:00 am
UVF
-
ORD
18h 55m
1 stop
$422Air Canada
Mon, Jun 8 - Fri, Jun 12
Air Canada Logo
8:20 pm - 2:10 pm
ORD
-
UVF
16h 50m
1 stop
Air Canada Logo
3:05 pm - 10:18 am
UVF
-
ORD
20h 13m
2 stops
$426Air Canada
Mon, Jun 8 - Fri, Jun 12
Air Canada Logo
9:15 pm - 2:10 pm
ORD
-
UVF
15h 55m
1 stop
Air Canada Logo
3:05 pm - 9:00 am
UVF
-
ORD
18h 55m
1 stop
$427Air Canada
Thu, Jun 4 - Tue, Jun 9
Air Canada Logo
6:22 pm - 2:10 pm
ORD
-
UVF
18h 48m
2 stops
Air Canada Logo
3:05 pm - 10:18 am
UVF
-
ORD
20h 13m
2 stops
$431Air Canada
Thu, Jun 4 - Tue, Jun 9
American Airlines Logo
5:00 am - 2:04 pm
STL
-
UVF
8h 04m
1 stop
American Airlines Logo
4:00 pm - 10:40 am
UVF
-
STL
19h 40m
2 stops
$715American Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
3:20 pm - 2:10 pm
MDW
-
UVF
21h 50m
2 stops
Multiple Airlines Logo
3:15 pm - 9:40 am
UVF
-
MDW
19h 25m
1 stop
$722Multiple Airlines
Thu, Jun 4 - Fri, Jun 19
American Airlines Logo
5:00 am - 2:04 pm
STL
-
UVF
8h 04m
1 stop
American Airlines Logo
4:00 pm - 1:22 pm
UVF
-
STL
22h 22m
1 stop
$724American Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
3:20 pm - 2:10 pm
MDW
-
UVF
21h 50m
2 stops
Multiple Airlines Logo
2:30 pm - 9:14 am
UVF
-
MDW
19h 44m
2 stops
$819Multiple Airlines
Thu, Jun 4 - Thu, Jun 18
WestJet Logo
9:54 am - 1:40 pm
MDW
-
UVF
26h 46m
2 stops
WestJet Logo
2:30 pm - 9:14 am
UVF
-
MDW
19h 44m
3 stops
$988WestJet
Wed, Jun 10 - Thu, Jun 18
WestJet Logo
9:54 am - 1:40 pm
MDW
-
UVF
26h 46m
2 stops
WestJet Logo
2:30 pm - 9:14 am
UVF
-
MDW
19h 44m
2 stops
$1,240WestJet
Wed, Jun 10 - Thu, Jun 18

Air Canada flights from Illinois to Saint Lucia

Our best Air Canada deals on Illinois to Saint Lucia flight tickets
Air Canada
Jun 15
ORD8:20 pmChicago O'Hare Intl
16h 50m
1 stop
UVF2:10 pmCastries Hewanorra
Jun 23
UVF3:15 pmCastries Hewanorra
24h 40m
1 stop
ORD2:55 pmChicago O'Hare Intl
$398
Air Canada
Jun 8
ORD8:20 pmChicago O'Hare Intl
16h 50m
1 stop
UVF2:10 pmCastries Hewanorra
Jun 12
UVF3:05 pmCastries Hewanorra
18h 55m
1 stop
ORD9:00 amChicago O'Hare Intl
$422
Air Canada
Jun 8
ORD8:20 pmChicago O'Hare Intl
16h 50m
1 stop
UVF2:10 pmCastries Hewanorra
Jun 12
UVF3:05 pmCastries Hewanorra
20h 13m
2 stops
ORD10:18 amChicago O'Hare Intl
$426

Delta flights from Illinois to Saint Lucia

Our best Delta deals on Illinois to Saint Lucia flight tickets
Delta
May 12
ORD5:30 amChicago O'Hare Intl
7h 35m
1 stop
UVF2:05 pmCastries Hewanorra
May 19
UVF3:25 pmCastries Hewanorra
18h 20m
2 stops
ORD8:45 amChicago O'Hare Intl
$868
Delta
Jun 11
STL6:00 amLambert-St Louis
7h 13m
1 stop
UVF2:13 pmCastries Hewanorra
Jun 18
UVF3:33 pmCastries Hewanorra
9h 23m
1 stop
STL11:56 pmLambert-St Louis
$924
Delta
May 9
STL6:00 amLambert-St Louis
7h 09m
1 stop
UVF2:09 pmCastries Hewanorra
May 15
UVF3:25 pmCastries Hewanorra
9h 34m
1 stop
STL11:59 pmLambert-St Louis
$965

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 April 28, 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

Mon 6/8

8:20 pm-2:10 pm

1 stop16h 50m

Castries Hewanorra

Fri 6/12

3:05 pm-9:00 am

1 stop18h 55m

$422

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 6/8

8:20 pm-2:10 pm

1 stop16h 50m

Castries Hewanorra

Fri 6/12

3:05 pm-10:18 am

2 stops20h 13m

$426

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 6/4

9:15 pm-2:10 pm

1 stop15h 55m

Castries Hewanorra

Tue 6/9

3:05 pm-9:00 am

1 stop18h 55m

$427

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Thu 6/4

6:22 pm-2:10 pm

2 stops18h 48m

Castries Hewanorra

Tue 6/9

3:05 pm-10:18 am

2 stops20h 13m

$431
Quickest round-trip

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Tue 9/8

5:00 am-2:04 pm

1 stop8h 04m

Castries Hewanorra

Tue 9/15

4:00 pm-10:40 am

2 stops19h 40m

$715

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Thu 6/4

3:20 pm-2:10 pm

2 stops21h 50m

Castries Hewanorra

Fri 6/19

3:15 pm-9:40 am

1 stop19h 25m

$722

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

Tue 9/8

5:00 am-2:04 pm

1 stop8h 04m

Castries Hewanorra

Tue 9/15

4:00 pm-1:22 pm

1 stop22h 22m

$724

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Thu 6/4

3:20 pm-2:10 pm

2 stops21h 50m

Castries Hewanorra

Thu 6/18

2:30 pm-9:14 am

2 stops19h 44m

$819

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 6/10

9:54 am-1:40 pm

2 stops26h 46m

Castries Hewanorra

Thu 6/18

2:30 pm-9:14 am

3 stops19h 44m

$988

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 6/10

9:54 am-1:40 pm

2 stops26h 46m

Castries Hewanorra

Thu 6/18

2:30 pm-9:14 am

2 stops19h 44m

$1,240

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 month to fly to Saint Lucia?

The month of June is, on average, the cheapest month to fly to Saint Lucia from Illinois, with most prices found around $195. If you aren’t able to travel to Saint Lucia during the month of June, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $363.

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

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

You could potentially save up to 54% 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

$499

Fastest flight time

5h 45m

Direct flights

Sun

Airports in Saint Lucia

7 airports
The best one-way flight to Saint Lucia from Illinois in the past 72 hours is $499. The best round-trip flight deal from Illinois to Saint Lucia found on momondo in the last 72 hours is $888.
The fastest flight from Illinois to Saint Lucia takes 5h 45m
Direct flights go from Illinois to Saint Lucia on Sunday. The only airline offering direct flights is United Airlines.
There are 7 airports in Saint Lucia. From Illinois there are direct flights to Castries Hewanorra (UVF).
Search flight deals

Frequently asked questions about flying from Illinois to Saint Lucia

  • 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
11,677 reviews
Search American Airlines flights
DeltaPriceFrom $565Free CancellationRating
7.9
8,467 reviews
Search Delta flights
United AirlinesPriceFrom $600Free CancellationRating
7.4
9,672 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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