Cheap flights from Illinois to Castries from $225
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 6/14. 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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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 October is another great option to travel to Castries, with average flight prices from Illinois averaging around $615.
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 $975. 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 $899. 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 7 weeks ahead of your departure date. In general, you can expect to find flights to Castries for around $764 when searching 7 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 $633 on momondo.
What cabin class options are available on Illinois to Castries Hewanorra flights?
There are 2 cabin classes 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.
What is the cheapest airline that flies from Illinois to Castries Hewanorra?
JetBlue, Air Canada, and American Airlines are the most popular carriers operating from Illinois to Castries Hewanorra
What airlines fly to Castries?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Castries from Illinois according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Castries. Keep in mind that there are 3 different airlines that fly to Castries on a routine basis, so you have a few additional options to choose from.
How long does it take to fly to Castries?
Flight times from Illinois to Castries vary, but if you’re flying out of Chicago and flying into Castries (one of the most popular routes), then the duration is 6h 24m on average. Another popular route from Illinois to Castries is flying from Moline to Castries, which will take roughly 7h 25m. Keep in mind that layovers or delays could extend your travel time.
Cheap Illinois to Castries flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Castries
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?
As of May 2025, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between Illinois and Castries, the leading plane model is Boeing 737-700, making up 100.00% of the total bookings.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $467 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $489 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $558 | Free Cancellation | Rating 7.4 8,696 reviews |
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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.