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Cheap flights from Chicago to Saint Lucia from $133

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Saint Lucia departing on 9/10. 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 Chicago to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
2:15 pm - 2:15 pmORD  Chicago O'Hare Intl-UVF Castries Hewanorra
23h 00m1 stop Toronto Pearson Intl
Air Canada Logo
3:10 pm - 2:55 pmUVF  Castries Hewanorra-ORD Chicago O'Hare Intl
24h 45m1 stop Toronto Pearson Intl
$333Air Canada
Thu, Sep 10 - Fri, Sep 18
Air Canada Logo
8:40 pm - 2:15 pmORD  Chicago O'Hare Intl-UVF Castries Hewanorra
16h 35m1 stop Toronto Pearson Intl
Air Canada Logo
3:10 pm - 8:55 amUVF  Castries Hewanorra-ORD Chicago O'Hare Intl
18h 45m1 stop Toronto Pearson Intl
$362Air Canada
Thu, Sep 10 - Fri, Sep 18
Air Canada Logo
3:40 pm - 2:15 pmORD  Chicago O'Hare Intl-UVF Castries Hewanorra
21h 35m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
3:10 pm - 8:55 amUVF  Castries Hewanorra-ORD Chicago O'Hare Intl
18h 45m1 stop Toronto Pearson Intl
$365Air Canada
Thu, Sep 10 - Fri, Sep 18
United Airlines Logo
8:52 am - 3:25 pmORD  Chicago O'Hare Intl-UVF Castries Hewanorra
5h 33mnonstop
United Airlines Logo
1:52 pm - 6:15 pmUVF  Castries Hewanorra-ORD Chicago O'Hare Intl
6h 23mnonstop
$674United Airlines
Sat, Oct 31 - Sat, Nov 7
United Airlines Logo
8:52 am - 3:25 pmORD  Chicago O'Hare Intl-UVF Castries Hewanorra
5h 33mnonstop
United Airlines Logo
1:52 pm - 6:15 pmUVF  Castries Hewanorra-ORD Chicago O'Hare Intl
6h 23mnonstop
$674United Airlines
Sat, Oct 31 - Sat, Nov 7
United Airlines Logo
5:30 pm - 12:07 pmORD  Chicago O'Hare Intl-UVF Castries Hewanorra
17h 37m1 stop Newark
United Airlines Logo
1:52 pm - 6:15 pmUVF  Castries Hewanorra-ORD Chicago O'Hare Intl
6h 23mnonstop
$678United Airlines
Fri, Oct 30 - Sat, Nov 7
American Airlines Logo
7:10 pm - 1:47 pmORD  Chicago O'Hare Intl-UVF Castries Hewanorra
16h 37m1 stop Miami
American Airlines Logo
4:05 pm - 11:00 pmUVF  Castries Hewanorra-ORD Chicago O'Hare Intl
8h 55m1 stop Charlotte Douglas
$688American Airlines
Fri, Jan 29 - Fri, Feb 5
American Airlines Logo
7:00 pm - 2:02 pmORD  Chicago O'Hare Intl-UVF Castries Hewanorra
18h 02m1 stop Miami
American Airlines Logo
3:02 pm - 12:33 amUVF  Castries Hewanorra-ORD Chicago O'Hare Intl
10h 31m1 stop Miami
$688American Airlines
Sat, Sep 26 - Sat, Oct 3
Delta Logo
6:05 am - 2:12 pmMDW  Chicago Midway-UVF Castries Hewanorra
7h 07m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:32 pm - 10:44 pmUVF  Castries Hewanorra-MDW Chicago Midway
8h 12m1 stop Atlanta Hartsfield-Jackson
$688Delta
Thu, Sep 17 - Thu, Sep 24
Delta Logo
6:05 am - 2:14 pmMDW  Chicago Midway-UVF Castries Hewanorra
7h 09m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:32 pm - 10:44 pmUVF  Castries Hewanorra-MDW Chicago Midway
8h 12m1 stop Atlanta Hartsfield-Jackson
$688Delta
Wed, Sep 2 - Wed, Sep 9

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Delta flights from Chicago to Saint Lucia

Our best Delta deals on Chicago to Saint Lucia flight tickets
Delta
Sep 1
MDW6:05 amChicago Midway
7h 09m
1 stop
UVF2:14 pmCastries Hewanorra
Sep 10
UVF3:32 pmCastries Hewanorra
8h 12m
1 stop
MDW10:44 pmChicago Midway
$688
Delta
Sep 1
MDW6:05 amChicago Midway
7h 09m
1 stop
UVF2:14 pmCastries Hewanorra
Sep 7
UVF3:34 pmCastries Hewanorra
18h 33m
2 stops
MDW9:07 amChicago Midway
$693
Delta
Sep 3
MDW6:05 amChicago Midway
7h 09m
1 stop
UVF2:14 pmCastries Hewanorra
Sep 10
UVF3:32 pmCastries Hewanorra
8h 12m
1 stop
MDW10:44 pmChicago Midway
$733

Air Canada flights from Chicago to Saint Lucia

Our best Air Canada deals on Chicago to Saint Lucia flight tickets
Air Canada
Sep 10
ORD2:15 pmChicago O'Hare Intl
23h 00m
1 stop
UVF2:15 pmCastries Hewanorra
Sep 18
UVF3:10 pmCastries Hewanorra
24h 45m
1 stop
ORD2:55 pmChicago O'Hare Intl
$333
Air Canada
Sep 10
ORD2:15 pmChicago O'Hare Intl
23h 00m
1 stop
UVF2:15 pmCastries Hewanorra
Sep 18
UVF3:10 pmCastries Hewanorra
24h 45m
1 stop
ORD2:55 pmChicago O'Hare Intl
$361
Air Canada
Sep 10
ORD8:40 pmChicago O'Hare Intl
16h 35m
1 stop
UVF2:15 pmCastries Hewanorra
Sep 18
UVF3:10 pmCastries Hewanorra
18h 45m
1 stop
ORD8:55 amChicago O'Hare Intl
$362

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 August 8, 2026.
Use the filters below to find and compare flights from Chicago to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Thu 9/10

2:15 pm-2:15 pm

1 stop23h 00m

Castries Hewanorra

Fri 9/18

3:10 pm-2:55 pm

1 stop24h 45m

$333

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Thu 9/10

8:40 pm-2:15 pm

1 stop16h 35m

Castries Hewanorra

Fri 9/18

3:10 pm-8:55 am

1 stop18h 45m

$362

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Thu 9/10

3:40 pm-2:15 pm

2 stops21h 35m

Castries Hewanorra

Fri 9/18

3:10 pm-8:55 am

1 stop18h 45m

$365
Quickest round-trip

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Sat 10/31

8:52 am-3:25 pm

Nonstop5h 33m

Castries Hewanorra

Sat 11/7

1:52 pm-6:15 pm

Nonstop6h 23m

$674

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Sat 10/31

8:52 am-3:25 pm

Nonstop5h 33m

Castries Hewanorra

Sat 11/7

1:52 pm-6:15 pm

Nonstop6h 23m

$674

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Fri 10/30

5:30 pm-12:07 pm

1 stop17h 37m

Castries Hewanorra

Sat 11/7

1:52 pm-6:15 pm

Nonstop6h 23m

$678

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Fri 1/29

7:10 pm-1:47 pm

1 stop16h 37m

Castries Hewanorra

Fri 2/5

4:05 pm-11:00 pm

1 stop8h 55m

$688

ChicagoCastries

ORD Chicago O'Hare Intl - UVF Castries Hewanorra

ORDUVF

Chicago O'Hare Intl

Sat 9/26

7:00 pm-2:02 pm

1 stop18h 02m

Castries Hewanorra

Sat 10/3

3:02 pm-12:33 am

1 stop10h 31m

$688

ChicagoCastries

MDW Chicago Midway - UVF Castries Hewanorra

MDWUVF

Chicago Midway

Thu 9/17

6:05 am-2:12 pm

1 stop7h 07m

Castries Hewanorra

Thu 9/24

3:32 pm-10:44 pm

1 stop8h 12m

$688

ChicagoCastries

MDW Chicago Midway - UVF Castries Hewanorra

MDWUVF

Chicago Midway

Wed 9/2

6:05 am-2:14 pm

1 stop7h 09m

Castries Hewanorra

Wed 9/9

3:32 pm-10:44 pm

1 stop8h 12m

$688

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 Chicago 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 January is, on average, the cheapest month to fly to Saint Lucia from Chicago, with most prices found around $738. If you aren’t able to travel to Saint Lucia during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $751.

What is the cheapest Chicago to Saint Lucia flight route?

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

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

There are 2 cabin classes available to choose from on Chicago 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 Chicago to Saint Lucia flights?

No. A direct flight is the cheapest option for a flight between Chicago to Saint Lucia.

Cheap Chicago to Saint Lucia flight deals and tips

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

Fastest flight time

5h 33m

Direct flights

Sun

Airports in Saint Lucia

7 airports
The fastest flight from Chicago to Saint Lucia takes 5h 33m
Direct flights go from Chicago to Saint Lucia on Sunday. The only airline offering direct flights is United Airlines.
There are 7 airports in Saint Lucia. From Chicago there are direct flights to Castries Hewanorra (UVF).
Search flight deals

Frequently asked questions about flying from Chicago to Saint Lucia

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

    Prices for flights from Chicago to Saint Lucia refresh daily.

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

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

    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 Chicago 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 Chicago to Saint Lucia?

Best airlines flying from Chicago to Saint Lucia

Compare and see reviews for airlines that fly from Chicago to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $552Free CancellationRating
7.1
11,885 reviews
Search American Airlines flights
DeltaPriceFrom $565Free CancellationRating
7.8
8,504 reviews
Search Delta flights
United AirlinesPriceFrom $621Free CancellationRating
7.4
10,085 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Saint Lucia. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo provides multiple filters to help you find the best flight to Saint Lucia from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Chicago to Saint Lucia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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