Cheap Flights from Duluth (DLH) to Castries (SLU)

Popular airlines from Duluth, MN (DLH-Duluth Intl.) to George F. L. Charles Airport (SLU)

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Frequently asked questions

How much does a flight from Duluth Intl. Airport (DLH) to George F. L. Charles Airport (SLU) cost?
Lock in a cheap one-way flight or cheap return flight from Duluth Intl. Airport (DLH) to George F. L. Charles Airport (SLU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Duluth Intl. Airport (DLH) to George F. L. Charles Airport (SLU)?
Traveling in can help you save, as it's the cheapest month for flights between DLH and SLU. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Duluth Intl. Airport (DLH) to George F. L. Charles Airport (SLU)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from DLH to SLU. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Duluth Intl. Airport (DLH) to George F. L. Charles Airport (SLU)?
Nonstop flights from Duluth Intl. Airport (DLH) to George F. L. Charles Airport (SLU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DLH to SLU?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Duluth Intl. Airport (DLH) to George F. L. Charles Airport (SLU)?
To land at George F. L. Charles Airport (SLU) without delays, pick a flight that leaves from Duluth Intl. Airport (DLH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Duluth Intl. Airport (DLH) to George F. L. Charles Airport (SLU) last-minute?
Booking your plane ticket from DLH to SLU right before your journey is usually more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a DLH to SLU flight and hotel package?
You'll generally save money by booking a DLH to SLU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Duluth Intl. Airport (DLH) to George F. L. Charles Airport (SLU)?
If you booked your DLH to SLU flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Duluth Intl.
Destination airport
George F. L. Charles
Distance
2893 mi

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Duluth to Castries Flights

The cheapest times to fly from Duluth to Castries

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Duluth to Castries are during the month of . You can find some of the cheapest flights from Duluth to Castries with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Duluth to Castries

Sunday is one of the best days to book for cheap flights from Duluth to Castries: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Duluth to Castries

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Duluth to Castries in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Duluth to Castries flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Duluth to Castries airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Duluth to Castries Flights

*Flight schedules are subject to change.

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