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Cheap Flights from Castries to Chicago starting at S$ 399

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Castries to Chicago

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  • 23 30
  • Apr

    30 6
  • 6 13
  • 13 20
  • 20 27
  • May

    27 4
  • 4 11
  • 11 18
  • 18 25
  • Jun

    25 1
  • 1 8
  • 8 15
Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When to buy flight tickets from Castries (SLU) to Chicago (CHI) the cheapest?

    Airlines adjust prices for flights from Castries to Chicago based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Castries (SLU) to Chicago (CHI) cost?

    According to Trip.com's data, the lowest price is around S$ 824.
  • How long is a flight from Castries (SLU) to Chicago (CHI)?

    It takes about 6 hours 20 minutes to fly from Castries (SLU) to Chicago (CHI).
  • What is the transportation method from the main airport to downtown in Chicago?

    • The distance from O'Hare International Airport to downtown is about 25km, by taxi about 40 minutes.
    • The distance from Midway International Airport to downtown is about 14km, by taxi about 30 minutes.
  • What are the most popular airlines that fly from Castries (SLU) to Chicago (CHI)?

    Airlines with flights from Castries (SLU) to Chicago (CHI): United Airlines.
  • What's the most popular airline for direct flights from Castries (SLU) to Chicago (CHI)?

    United Airlines operates 1 direct flights from Castries (SLU) to Chicago (CHI).
  • How many airports in Chicago?

How to find a cheap flight from Castries to Chicago

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Castries to Chicago. Book your flights at the right time and save more.
1
Choose your dates flexibly and get the best deals on flights from Castries to Chicago.
Tap 'Date' on the flight search bar to browse the calendar for Castries to Chicago airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Sat, Apr 19, with one-way flights starting at S$ 838.
2
Compare cheap flight deals from hundreds of airlines for Castries to Chicago flights.
Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Castries to Chicago. The cheapest flight at the moment is with United Airlines.
3
Set up a Price Alert
Set up a Price Alert for your Castries to Chicago flights and track ticket prices easily—no need for daily checks.
4
Don't miss out on cheap deals and promo codes for Castries to Chicago flights.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership for more exclusive flight deals.
5
Book early or wait for last-minute deals.
It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.
6
Search for flights on the go.
For the best flight booking experience on the go, download Trip.com and search for cheap flights from Castries to Chicago to get your exclusive deals.

Find cheapest flight ticket from Castries to Chicago

Cheapest one-way flight price S$ 399
Cheapest return ticket price S$ 822
Off-season for travel March
Peak season for travel June
Flight distance 4,020.29km
Average flight time 6 hours 20 minutes
Popular airline Jetblue Airways