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Cheap flights from Illinois to Saint Lucia from $277

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 8/8. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
8:40 pm - 2:10 pm
ORD
-
UVF
16h 30m
1 stop
Air Canada Logo
3:05 pm - 9:00 am
UVF
-
ORD
18h 55m
1 stop
$492Air Canada
Mon, Jul 6 - Fri, Jul 10
Air Canada Logo
8:40 pm - 2:10 pm
ORD
-
UVF
16h 30m
1 stop
Air Canada Logo
3:05 pm - 10:16 am
UVF
-
ORD
20h 11m
2 stops
$495Air Canada
Mon, Jul 6 - Fri, Jul 10
American Airlines Logo
5:35 pm - 1:19 pm
MLI
-
UVF
17h 44m
2 stops
American Airlines Logo
4:53 pm - 6:11 pm
UVF
-
MLI
27h 18m
2 stops
$661American Airlines
Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
4:05 pm - 1:49 pm
MLI
-
UVF
20h 44m
2 stops
American Airlines Logo
3:02 pm - 11:38 am
UVF
-
MLI
21h 36m
2 stops
$687American Airlines
Fri, Sep 4 - Wed, Sep 9
Delta Logo
6:05 am - 2:08 pm
MDW
-
UVF
7h 03m
1 stop
Delta Logo
3:41 pm - 8:45 am
UVF
-
MDW
18h 04m
2 stops
$693Delta
Wed, Sep 16 - Thu, Oct 8
Delta Logo
9:30 am - 2:08 pm
MDW
-
UVF
27h 38m
2 stops
Delta Logo
3:41 pm - 8:45 am
UVF
-
MDW
18h 04m
2 stops
$698Delta
Thu, Sep 17 - Thu, Oct 8
Multiple Airlines Logo
8:40 pm - 7:00 pm
ORD
-
SLU
21h 20m
2 stops
Multiple Airlines Logo
12:35 pm - 11:10 am
SLU
-
ORD
23h 35m
2 stops
$897Multiple Airlines
Wed, Oct 21 - Mon, Oct 26
Multiple Airlines Logo
8:40 pm - 7:00 pm
ORD
-
SLU
21h 20m
2 stops
Multiple Airlines Logo
12:35 pm - 9:00 am
SLU
-
ORD
21h 25m
2 stops
$901Multiple Airlines
Wed, Oct 14 - Mon, Oct 19
United Airlines Logo
7:00 am - 4:25 pm
PIA
-
UVF
7h 25m
1 stop
United Airlines Logo
5:17 pm - 1:41 pm
UVF
-
PIA
22h 24m
2 stops
$1,390United Airlines
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
7:00 am - 4:25 pm
PIA
-
UVF
7h 25m
1 stop
United Airlines Logo
1:52 pm - 9:16 pm
UVF
-
PIA
9h 24m
1 stop
$1,700United Airlines
Sat, Dec 5 - Sat, Dec 12

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Delta flights from Illinois to Saint Lucia

Our best Delta deals on Illinois to Saint Lucia flight tickets
Delta
Sep 16
MDW6:05 amChicago Midway
7h 03m
1 stop
UVF2:08 pmCastries Hewanorra
Oct 8
UVF3:41 pmCastries Hewanorra
18h 04m
2 stops
MDW8:45 amChicago Midway
$693
Delta
Sep 17
MDW6:05 amChicago Midway
7h 03m
1 stop
UVF2:08 pmCastries Hewanorra
Oct 9
UVF3:41 pmCastries Hewanorra
27h 56m
2 stops
MDW6:37 pmChicago Midway
$698
Delta
Aug 19
STL6:00 amLambert-St Louis
7h 14m
1 stop
UVF2:14 pmCastries Hewanorra
Aug 26
UVF3:34 pmCastries Hewanorra
8h 47m
1 stop
STL11:21 pmLambert-St Louis
$710

Air Canada flights from Illinois to Saint Lucia

Our best Air Canada deals on Illinois to Saint Lucia flight tickets
Air Canada
Jul 6
ORD8:40 pmChicago O'Hare Intl
16h 30m
1 stop
UVF2:10 pmCastries Hewanorra
Jul 10
UVF3:05 pmCastries Hewanorra
18h 55m
1 stop
ORD9:00 amChicago O'Hare Intl
$492
Air Canada
Jul 6
ORD8:40 pmChicago O'Hare Intl
16h 30m
1 stop
UVF2:10 pmCastries Hewanorra
Jul 10
UVF3:05 pmCastries Hewanorra
20h 11m
2 stops
ORD10:16 amChicago O'Hare Intl
$495
Air Canada
Oct 21
ORD3:40 pmChicago O'Hare Intl
45h 35m
2 stops
UVF2:15 pmCastries Hewanorra
Oct 25
UVF4:25 pmCastries Hewanorra
23h 31m
1 stop
ORD2:56 pmChicago O'Hare Intl
$502

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 June 11, 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 7/6

8:40 pm-2:10 pm

1 stop16h 30m

Castries Hewanorra

Fri 7/10

3:05 pm-9:00 am

1 stop18h 55m

$492

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

Mon 7/6

8:40 pm-2:10 pm

1 stop16h 30m

Castries Hewanorra

Fri 7/10

3:05 pm-10:16 am

2 stops20h 11m

$495

MolineCastries

MLI - UVF

MLIUVF

Moline Quad-City

Sat 12/5

5:35 pm-1:19 pm

2 stops17h 44m

Castries Hewanorra

Sat 12/12

4:53 pm-6:11 pm

2 stops27h 18m

$661

MolineCastries

MLI - UVF

MLIUVF

Moline Quad-City

Fri 9/4

4:05 pm-1:49 pm

2 stops20h 44m

Castries Hewanorra

Wed 9/9

3:02 pm-11:38 am

2 stops21h 36m

$687

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Wed 9/16

6:05 am-2:08 pm

1 stop7h 03m

Castries Hewanorra

Thu 10/8

3:41 pm-8:45 am

2 stops18h 04m

$693

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

Thu 9/17

9:30 am-2:08 pm

2 stops27h 38m

Castries Hewanorra

Thu 10/8

3:41 pm-8:45 am

2 stops18h 04m

$698

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Wed 10/21

8:40 pm-7:00 pm

2 stops21h 20m

Castries George F. L. Charle

Mon 10/26

12:35 pm-11:10 am

2 stops23h 35m

$897

ChicagoCastries

ORD - SLU

ORDSLU

Chicago O'Hare Intl

Wed 10/14

8:40 pm-7:00 pm

2 stops21h 20m

Castries George F. L. Charle

Mon 10/19

12:35 pm-9:00 am

2 stops21h 25m

$901

PeoriaCastries

PIA - UVF

PIAUVF

Greater Peoria

Sat 12/5

7:00 am-4:25 pm

1 stop7h 25m

Castries Hewanorra

Sat 12/12

5:17 pm-1:41 pm

2 stops22h 24m

$1,390
Quickest round-trip

PeoriaCastries

PIA - UVF

PIAUVF

Greater Peoria

Sat 12/5

7:00 am-4:25 pm

1 stop7h 25m

Castries Hewanorra

Sat 12/12

1:52 pm-9:16 pm

1 stop9h 24m

$1,700

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 April is, on average, the cheapest month to fly to Saint Lucia from Illinois, with most prices found around $363. If you aren’t able to travel to Saint Lucia during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $382.

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 47% 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

$488

Fastest flight time

5h 33m

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 $488. The best round-trip flight deal from Illinois to Saint Lucia found on momondo in the last 72 hours is $928.
The fastest flight from Illinois to Saint Lucia takes 5h 33m
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 $552Free CancellationRating
7.1
11,635 reviews
Search American Airlines flights
DeltaPriceFrom $565Free CancellationRating
7.9
8,396 reviews
Search Delta flights
United AirlinesPriceFrom $621Free CancellationRating
7.4
9,804 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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Sat 7/11
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