CA $580 Cheap Flights from Detroit (DTW) to Castries (SLU)

View CA $580 flight on Sat, Jun 6, 2026Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to George F. L. Charles Airport (SLU)

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Cheap flights from Detroit (DTW) to Castries (SLU)

Prices were available within the past 7 days and start at CA $580 for one-way flights and CA $1,425 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, May 20 - Wed, May 27
DTW
Detroit
SLU
Castries
CA $1,425 Roundtrip, found 5 days ago
CA $1,425
Roundtrip
found 5 days ago
Select Air Canada flight, departing Wed, May 20 from Detroit to Castries, returning Wed, May 27, priced at CA $1,425 found 5 days ago

Find the cheapest month to fly from Detroit (DTW) to Castries (SLU)

February is typically the cheapest month to fly

From CA $410 - CA $1,229 per traveller.

Frequently asked questions

Which airlines fly direct from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles)?
Enter DTW to SLU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles)?
To find a cheap flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles)?
There are approximately 5 connecting flights per day from Detroit Metropolitan Wayne County (DTW) to George F. L. Charles (SLU). Some common connection points include Pearson Intl. (YYZ), Liberty Intl. (EWR), and Washington Dulles Intl. (IAD).
What is the earliest flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles)?
The earliest flight from Detroit Metropolitan Wayne County (DTW) to George F. L. Charles (SLU) typically departs at approximately 5:00 AM local time. This service is operated by American Airlines and is seasonal, active only in March. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles)?
You'll find the most flights from Detroit Metropolitan Wayne County (DTW) to George F. L. Charles (SLU) on a Friday, with around 34 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Delta Air Lines, and Air Canada.
What are the most popular departure times for flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles)?
The most popular departure times for flights from Detroit Metropolitan Wayne County (DTW) to George F. L. Charles (SLU) are in the early morning, from 6am to 9am. About 33% of passengers prefer this time. Many major carriers, including American Airlines, B6 and Delta Air Lines, offer flights during this window. This timing works well because it allows you to start your journey early and arrive at your destination with plenty of time to settle in.
How long does it take to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles)?
A flight from DTW to SLU with a layover takes around 24 hours 20 minutes, with the route covering approximately 2,362 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles)?
Select the "Business class" and "First class" filters when looking for DTW to SLU flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles) flight with Expedia?
It's easy to earn miles on a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Castries from Detroit Metropolitan Wayne County (DTW)?
From Detroit Metropolitan Wayne County (DTW), you can fly directly into George F. L. Charles (SLU) to reach Castries. Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Ronald Reagan Washington National (DCA), Philadelphia Intl. (PHL) before reaching Castries. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles) at the last minute?
Typically, booking a last minute flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles) flight and hotel package?
Securing a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles)?
If you booked your Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Castries (SLU-George F. L. Charles) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Detroit Metropolitan Wayne County
Destination airport
George F. L. Charles
Roundtrip price
CA $1,425
Distance
3778 km

Book with confidence

Detroit to Castries Flights

The easy way to book your flights from Detroit to Castries 

With Expedia, it’s simple to find and book flights to Castries from Detroit whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 3 airlines that cover this route. There are nonstop flights to George F. L. Charles, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Detroit to Castries today, tomorrow, or this week.  

 

Save dollars with cheap flights from Detroit Metropolitan Wayne County, DTW to George F. L. Charles, SLU 

Sort your search results by price to find great deals on your flight from Detroit to Castries—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Castries from Detroit currently is just CA $1,425 rising to CA $1,425.  

Here are more money-saving tips: 

  • Fly in May when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Castries  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Castries from Detroit 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Castries with Expedia today.

Detroit to Castries Flights

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