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Flights Chicago — Castries

Chicago
CHI
Saint Lucia
SLU

Cheap flights Chicago — Castries

Below you can see the best deals on flights Chicago — Castries for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

Top 10 cheap flights Chicago — Castries

Direct flights Chicago — Castries

Direct flight options for Chicago — Castries with no stopovers on upcoming dates. A direct flight is faster and more convenient — especially when travelling with luggage or children.

The fastest direct flight is operated by United Airlines — travel time is 5 h 43 min.

Top 10 direct flights Chicago — Castries

About the Chicago — Castries flight

On this page, you can find and purchase flight tickets for the Chicago — Castries route. The 4,016 km flight operates approximately once a week, so we recommend booking your seats in advance. You can learn more about logistics in the sections on how to get to the airport at the point of departure and how to get from the airport to your destination.

The main carrier on this route is United Airlines (UA). Ticket prices change constantly depending on the season and demand, so to find the best deal, use the low price calendar and price dynamic chart provided below.

Flight schedule Chicago — Castries

The table shows direct flights Chicago → Castries on the selected date. The flight takes approximately 7 h 12 min. Regular flights are operated by United Airlines. Departures from O'Hare International Airport, Chicago Midway International Airport and Midway International Airport airports, arrivals at Hewanorra Airport and George F. L. Charles Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

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Flight ticket prices by day: Chicago — Castries

Below is a calendar of the lowest flight ticket prices for Chicago — Castries by day. Pick a convenient date and instantly see the fare. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Chicago → Castries, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$469highMay$332lowSep$420high
Feb$440highJun$362mediumOct$342low
Mar$391mediumJul$440highNov$411high
Apr$323lowAug$381mediumDec$460high

Some values are estimated based on seasonality.

When to fly

The climate in Castries is characterized by consistently high temperatures throughout the year. The warmest month is September with an average high of 29.3°C, while the rainiest period is from July to November, when precipitation exceeds 110 mm per month.

Current airfare depends on seasonal demand and seat availability. Since direct fare data for the coming months is updated dynamically, we recommend using the price charts on this page to find the most advantageous offers.

The best time to fly in terms of weather conditions is from February to May. These months see the minimum number of rainy days, making the trip as comfortable as possible. It is best to avoid the period from August to October due to the peak of the rainy season.

Temperature · Castries

Dry and wet days · Castries

Wind speed and direction · Castries

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How to get the best deal on a Chicago — Castries ticket

  • Given the low flight frequency (about once a week), we recommend booking tickets 8–12 weeks before departure to access more flexible fares.
  • Use the low price calendar and the dynamic chart on this page to compare flight costs across different weeks of the month.
  • Consider United Airlines (UA) flight options with a layover at major US hubs if the direct flight schedule or budget doesn't suit you.
  • Pay attention to baggage and carry-on allowances for your chosen fare, as airport surcharges on this route can be significant.

Airlines

Flights between the cities are operated by United Airlines (UA), the primary carrier on this route. The schedule includes approximately one flight per week, which requires planning your trip well in advance. You can check the exact schedule for specific dates and choose a suitable fare in the interactive list of airlines below.

  • United AirlinesUA
    1x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight ORD → UVF1x/week
      Duration
      5h 44m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Chicago — Castries route

Flights Chicago — Castries depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport and arrive at Hewanorra Airport and George F. L. Charles Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Chicago

CHI
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Castries

SLU
Saint Lucia
About the cityHow to get thereWeatherAll about the country Saint Lucia
Departure airports
Arrival airports

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Frequently asked questions about the Chicago — Castries flight

How long is the flight from Chicago to Castries?

The distance between the cities is 4,016 km. The approximate travel time for a direct flight is about 4 hours 45 minutes, although it may vary depending on weather conditions.

Which airlines fly this route?

Regular flights from Chicago to Saint Lucia are operated by United Airlines (UA).

Are there direct flights from Chicago to Castries?

Yes, there are direct flights on this route, but they operate with low frequency—approximately once a week.

When is the best time to buy a ticket?

It is best to start searching for tickets several months before your trip. You can track the latest price offers using the low price calendar on our website.

Which airport does the flight arrive at?

Flights from Chicago arrive at the international airport serving Castries and the island of Saint Lucia.

Where else you can fly from Chicago

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New York CityTorontoDetroitWashington, D.C.AtlantaMinneapolisLos AngelesSeattleBostonDallasHoustonOrlandoDenverNashvilleLondonIndianapolisSan DiegoMontrealMilwaukeeSt. LouisCharlottePhiladelphiaColumbusKansas CityMiamiPhoenixLas VegasCincinnatiGrand RapidsDes MoinesRaleighSan FranciscoMadisonDaytonGreen BayTampaPittsburghLouisvilleKnoxvilleRochester

Where else you can fly from Castries

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BridgetownNew York CityMiamiFort-de-FranceAtlantaCharlotteTorontoLondonGeorgetownSt. George'sPhiladelphiaPhilipsburg
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