Cheap Flights from Spokane (GEG) to Castries (SLU)

Popular airlines from Spokane International Airport (GEG) to George F. L. Charles Airport (SLU)

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Alternative airports near Castries

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hewanorra Intl. UVF. Cheapest option available. Average driving time to city center is 53 minutes. Flights from $807
UVF
Hewanorra Intl.
Cheapest
Average driving time to city center53 min
Flights from $807

Frequently asked questions

How much does a flight from Spokane Intl. Airport (GEG) to George F. L. Charles Airport (SLU) cost?
Grab a cheap one-way flight or cheap return flight from Spokane Intl. Airport (GEG) to George F. L. Charles Airport (SLU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Spokane Intl. Airport (GEG) to George F. L. Charles Airport (SLU)?
Traveling in is a good way to save, as it's the cheapest month for flights between GEG and SLU. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Spokane Intl. Airport (GEG) to George F. L. Charles Airport (SLU)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest GEG to SLU flight.
How many flights per day from Spokane Intl. Airport (GEG) to George F. L. Charles Airport (SLU)?
Nonstop flights from Spokane Intl. Airport (GEG) to George F. L. Charles Airport (SLU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GEG to SLU?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change depending on the season, carrier 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 Spokane Intl. Airport (GEG) to George F. L. Charles Airport (SLU)?
Select a flight from Spokane Intl. Airport (GEG) to George F. L. Charles Airport (SLU) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**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 Spokane Intl. Airport (GEG) to George F. L. Charles Airport (SLU) last-minute?
Booking your plane ticket from GEG to SLU just before your journey is generally more expensive. 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 GEG to SLU flight and hotel package?
Securing a GEG to SLU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Spokane Intl. Airport (GEG) to George F. L. Charles Airport (SLU)?
If you reserved your GEG to SLU flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Spokane Intl.
Destination airport
George F. L. Charles
Distance
3962 mi

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Spokane to Castries Flights

The cheapest times to fly from Spokane 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 Spokane to Castries are during the month of . You can find some of the cheapest flights from Spokane to Castries with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Spokane to Castries

Sunday is one of the best days to book for cheap flights from Spokane 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 Spokane 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 Spokane to Castries in 2025. 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 Spokane 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 Spokane 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.

 

Spokane to Castries Flights

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*Available to One Key members.