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Cheap flights from Illinois to Castries from $177

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 Castries departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:45 pm - 4:20 pm
ORD
-
UVF
17h 35m1 stop
Air Canada Logo
5:15 pm - 10:06 am
UVF
-
ORD
18h 51m1 stop
$468Air Canada
mar., ene. 6 - mié., ene. 14
Air Canada Logo
8:45 pm - 4:20 pm
ORD
-
UVF
17h 35m1 stop
Air Canada Logo
5:15 pm - 11:06 am
UVF
-
ORD
19h 51m2 stops
$471Air Canada
mar., ene. 6 - mié., ene. 14
Air Canada Logo
4:05 pm - 4:25 pm
STL
-
UVF
22h 20m1 stop
Air Canada Logo
5:15 pm - 3:29 pm
UVF
-
STL
24h 14m1 stop
$472Air Canada
dom., ene. 18 - lun., ene. 26
JetBlue Logo
9:40 am - 3:43 pm
ORD
-
UVF
28h 03m1 stop
JetBlue Logo
5:21 pm - 7:36 pm
UVF
-
ORD
28h 15m1 stop
$485JetBlue
lun., ene. 26 - lun., feb. 2
Delta Logo
5:30 am - 3:05 pm
ORD
-
UVF
7h 35m1 stop
Delta Logo
4:25 pm - 8:43 am
UVF
-
ORD
18h 18m1 stop
$489Delta
mar., ene. 6 - mié., ene. 14
Delta Logo
6:14 pm - 3:05 pm
MDW
-
UVF
18h 51m2 stops
Delta Logo
4:25 pm - 8:52 am
UVF
-
MDW
18h 27m2 stops
$494Delta
lun., ene. 5 - jue., ene. 15
JetBlue Logo
7:45 am - 3:43 pm
ORD
-
UVF
29h 58m2 stops
JetBlue Logo
5:21 pm - 5:43 pm
UVF
-
ORD
26h 22m2 stops
$502JetBlue
lun., ene. 26 - lun., feb. 2
Multiple Airlines Logo
10:55 am - 3:43 pm
ORD
-
UVF
26h 48m2 stops
Multiple Airlines Logo
5:15 pm - 11:06 am
UVF
-
ORD
19h 51m2 stops
$506Multiple Airlines
mar., ene. 6 - mié., ene. 14
American Airlines Logo
5:05 am - 4:00 pm
STL
-
UVF
8h 55m1 stop
American Airlines Logo
4:25 pm - 8:32 am
UVF
-
STL
18h 07m1 stop
$575American Airlines
mié., feb. 25 - jue., mar. 5
American Airlines Logo
5:05 am - 4:00 pm
STL
-
UVF
8h 55m1 stop
American Airlines Logo
5:00 pm - 9:02 am
UVF
-
STL
18h 02m2 stops
$580American Airlines
mié., feb. 25 - jue., mar. 5

Delta flights from Illinois to Castries

Our best Delta deals on Illinois to Castries flight tickets
Delta
Jan 6
ORD5:30 amChicago O'Hare Intl
7h 35m
1 stop
UVF3:05 pmCastries Hewanorra
Jan 20
UVF4:25 pmCastries Hewanorra
18h 17m
1 stop
ORD8:42 amChicago O'Hare Intl
$489
Find similar
Delta
Jan 5
MDW6:14 pmChicago Midway
18h 51m
2 stops
UVF3:05 pmCastries Hewanorra
Jan 15
UVF4:25 pmCastries Hewanorra
18h 27m
2 stops
MDW8:52 amChicago Midway
$494
Find similar
Delta
Feb 2
MDW6:00 amChicago Midway
7h 05m
1 stop
UVF3:05 pmCastries Hewanorra
Feb 9
UVF4:25 pmCastries Hewanorra
22h 21m
2 stops
MDW12:46 pmChicago Midway
$524
Find similar

American Airlines flights from Illinois to Castries

Our best American Airlines deals on Illinois to Castries flight tickets
American Airlines
Jan 19
ORD7:56 pmChicago O'Hare Intl
17h 07m
1 stop
UVF3:03 pmCastries Hewanorra
Jan 26
UVF5:02 pmCastries Hewanorra
18h 03m
1 stop
ORD9:05 amChicago O'Hare Intl
$519
Find similar
American Airlines
Jan 19
ORD9:10 pmChicago O'Hare Intl
15h 53m
2 stops
UVF3:03 pmCastries Hewanorra
Jan 26
UVF2:46 pmCastries Hewanorra
11h 44m
1 stop
ORD12:30 amChicago O'Hare Intl
$524
Find similar
American Airlines
Feb 17
ORD5:45 amChicago O'Hare Intl
8h 15m
1 stop
UVF4:00 pmCastries Hewanorra
Feb 24
UVF5:00 pmCastries Hewanorra
9h 33m
1 stop
ORD12:33 amChicago O'Hare Intl
$527
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Castries 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 diciembre 16, 2025.
Use the filters below to find and compare flights from Illinois to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

mar. 1/6

8:45 pm-4:20 pm

1 stop17h 35m

Castries Hewanorra

mié. 1/14

5:15 pm-10:06 am

1 stop18h 51m

$468

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

mar. 1/6

8:45 pm-4:20 pm

1 stop17h 35m

Castries Hewanorra

mié. 1/14

5:15 pm-11:06 am

2 stops19h 51m

$471

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

dom. 1/18

4:05 pm-4:25 pm

1 stop22h 20m

Castries Hewanorra

lun. 1/26

5:15 pm-3:29 pm

1 stop24h 14m

$472

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

lun. 1/26

9:40 am-3:43 pm

1 stop28h 03m

Castries Hewanorra

lun. 2/2

5:21 pm-7:36 pm

1 stop28h 15m

$485

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

mar. 1/6

5:30 am-3:05 pm

1 stop7h 35m

Castries Hewanorra

mié. 1/14

4:25 pm-8:43 am

1 stop18h 18m

$489

ChicagoCastries

MDW - UVF

MDWUVF

Chicago Midway

lun. 1/5

6:14 pm-3:05 pm

2 stops18h 51m

Castries Hewanorra

jue. 1/15

4:25 pm-8:52 am

2 stops18h 27m

$494

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

lun. 1/26

7:45 am-3:43 pm

2 stops29h 58m

Castries Hewanorra

lun. 2/2

5:21 pm-5:43 pm

2 stops26h 22m

$502

ChicagoCastries

ORD - UVF

ORDUVF

Chicago O'Hare Intl

mar. 1/6

10:55 am-3:43 pm

2 stops26h 48m

Castries Hewanorra

mié. 1/14

5:15 pm-11:06 am

2 stops19h 51m

$506

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

mié. 2/25

5:05 am-4:00 pm

1 stop8h 55m

Castries Hewanorra

jue. 3/5

4:25 pm-8:32 am

1 stop18h 07m

$575

St. LouisCastries

STL - UVF

STLUVF

Lambert-St Louis

mié. 2/25

5:05 am-4:00 pm

1 stop8h 55m

Castries Hewanorra

jue. 3/5

5:00 pm-9:02 am

2 stops18h 02m

$580

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 Castries from

How to get the cheapest flight ticket from Illinois to Castries

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 Castries?

The month of January is, on average, the cheapest month to fly to Castries from Illinois, with most prices found around $603. The month of August is another great option to travel to Castries, with average flight prices from Illinois averaging around $605.

What is the cheapest day to depart on your flight to Castries?

The cheapest day to depart from Illinois to Castries is on a Wednesday when prices can be found for as low as $630. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $996. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is at noon. momondo users have found flights departing from Illinois to Castries at noon for as low as $496. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly in the morning, with an average ticket price of $885. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Illinois to Castries Hewanorra flight route?

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

How far in advance should I book a flight to Castries?

You are more likely to see cheaper flights to Castries from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Castries for around $797 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Castries from Illinois for as low as $597 on momondo.

What cabin class options are available on Illinois to Castries Hewanorra flights?

There is only 1 cabin class available to choose from on Illinois to Castries Hewanorra 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 Castries flights?

You could potentially save up to 57% on your flight if you consider stops on a Illinois to Castries flight.

Cheap Illinois to Castries flight deals and tips

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

Best Price Found

$1,183

Fastest flight time

5h 33m

Direct flights

Sun

Airports in Castries

1 airport
The best flight deal from Illinois to Castries found on momondo in the last 72 hours is $1,183
The fastest flight from Illinois to Castries takes 5h 33m
Direct flights go from Illinois to Castries on Sunday. There are no airlines offering direct flights.
There is 1 airport in Castries. From Illinois there are direct flights to Castries Hewanorra (UVF).
Search flight deals

  • When did momondo last update prices for flights from Illinois to Castries Hewanorra Airport?

    Prices for flights from Illinois to Castries Hewanorra Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Castries Hewanorra Airport?

  • How old do you have to be to fly from Illinois to Castries Hewanorra 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 Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The travel and health documents required for your trip to Castries Hewanorra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Castries Hewanorra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Illinois to Castries

Compare and see reviews for airlines that fly from Illinois to Castries with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $443Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
DeltaPriceFrom $555Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $570Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

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

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

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

Flights from Illinois to Castries with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois to Castries?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Castries.

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

Yes. momondo can track prices for Illinois to Castries 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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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport