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Castries

$929+ Cheap flights from Denver (DEN) to Castries (SLU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SLU
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Denver to Castries

Cheapest flights from Denver to Castries
Explore the most affordable flight options available from Denver to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/131:25 pm
DEN
-
SLU
2 stops30h 45m
Multiple Airlines
Fri 3/206:45 pm
SLU
-
DEN
2 stops23h 55m
Multiple Airlines
Deal found 1/27$1,468
This Mytrip deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/88:05 am
DEN
-
SLU
3 stops28h 30m
Multiple Airlines
Fri 2/1312:35 pm
SLU
-
DEN
2 stops31h 05m
Multiple Airlines
Deal found 1/25$1,648
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:25 am
DEN
-
SLU
3 stops22h 05m
Multiple Airlines
Thu 6/1812:35 pm
SLU
-
DEN
2 stops23h 57m
Multiple Airlines
Deal found 1/27$1,761
This Gotogate deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:35 am
DEN
-
SLU
2 stops25h 00m
Multiple Airlines
Sat 6/65:50 pm
SLU
-
DEN
2 stops28h 38m
Multiple Airlines
Deal found 1/24$2,362
This Expedia deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:25 pm
DEN
-
SLU
3 stops47h 10m
Multiple Airlines
Thu 4/305:50 pm
SLU
-
DEN
2 stops42h 43m
Multiple Airlines
Deal found 1/25$3,663
This Travelocity deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:25 pm
DEN
-
SLU
2 stops24h 10m
Multiple Airlines
Mon 3/237:10 pm
SLU
-
DEN
2 stops47h 30m
Multiple Airlines
Deal found 1/26$3,672
This Orbitz deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:10 pm
DEN
-
SLU
2 stops41h 00m
Multiple Airlines
Sat 6/135:50 pm
SLU
-
DEN
2 stops42h 43m
Multiple Airlines
Deal found 1/25$3,721
This Expedia deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:30 pm
DEN
-
SLU
2 stops44h 05m
Multiple Airlines
Sat 3/215:50 pm
SLU
-
DEN
2 stops24h 50m
Multiple Airlines
Deal found 1/26$3,730
This Travelocity deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:25 pm
DEN
-
SLU
2 stops17h 05m
Multiple Airlines
Tue 3/37:10 pm
SLU
-
DEN
2 stops42h 13m
Multiple Airlines
Deal found 1/26$3,752

Find flight deals from Denver to Castries

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Castries (SLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,648
(Mytrip)

One-way from

$929
(Booking.com)

Popular in

December

Cheapest in

August

Average price

$901
Provider with most accurate pricing for Denver Intl-Castries George F. L. Charle flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Castries George F. L. Charle flights.
Search Deals
From Denver Intl to Castries George F. L. Charle
Search Deals
One-way flight from Denver Intl to Castries George F. L. Charle
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($269 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Denver to Castries that are best for you.

Fly from

Denver

Fly to

Castries

Route

Depart

Return

Price

DenverCastries

DEN - SLU

DENSLU

Denver Intl

Fri 3/13

1:25 pm-10:10 pm

2 stops30h 45m

Castries George F. L. Charle

Fri 3/20

6:45 pm-4:40 pm

2 stops23h 55m

$1,468

DenverCastries

DEN - SLU

DENSLU

Denver Intl

Sun 2/8

8:05 am-3:35 pm

3 stops28h 30m

Castries George F. L. Charle

Fri 2/13

12:35 pm-4:40 pm

2 stops31h 05m

$1,648

DenverCastries

DEN - SLU

DENSLU

Denver Intl

Wed 4/1

1:25 pm-2:35 pm

3 stops47h 10m

Castries George F. L. Charle

Thu 4/30

5:50 pm-10:33 am

2 stops42h 43m

$3,663

DenverCastries

DEN - SLU

DENSLU

Denver Intl

Fri 3/13

5:30 pm-2:50 pm

3 stops43h 20m

Castries George F. L. Charle

Thu 3/19

5:50 pm-10:23 am

2 stops42h 33m

$3,663

DenverCastries

DEN - SLU

DENSLU

Denver Intl

Mon 3/16

1:25 pm-3:35 pm

2 stops24h 10m

Castries George F. L. Charle

Mon 3/23

7:10 pm-4:40 pm

2 stops47h 30m

$3,672

DenverCastries

DEN - SLU

DENSLU

Denver Intl

Mon 4/6

6:05 pm-9:30 am

2 stops37h 25m

Castries George F. L. Charle

Thu 4/9

5:50 pm-10:15 am

2 stops42h 25m

$3,672

DenverCastries

DEN - SLU

DENSLU

Denver Intl

Sat 3/14

5:30 pm-3:35 pm

2 stops44h 05m

Castries George F. L. Charle

Sat 3/21

5:50 pm-4:40 pm

2 stops24h 50m

$3,730

DenverCastries

DEN - SLU

DENSLU

Denver Intl

Tue 2/24

1:25 pm-9:30 am

2 stops17h 05m

Castries George F. L. Charle

Tue 3/3

7:10 pm-10:23 am

2 stops42h 13m

$3,752

DenverCastries

DEN - SLU

DENSLU

Denver Intl

Wed 4/1

1:25 pm-2:55 pm

2 stops23h 30m

$929

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Compare providers for flights from Denver to Castries

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Castries in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Castries flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Castries flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Castries flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Castries flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Castries flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Castries

What is the cheapest month to book a flight from Denver to Castries?

Currently, August is the cheapest month in which you can book a flight from Denver to Castries (average of $226). Flying from Denver to Castries in January is currently the most expensive (average of $682). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Castries

Get insights into the airlines that provide service to Castries. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Castries. Reviews last updated January 27, 2026.
Peruse reviews from past customers who have flown with American Airlines from Denver to Castries to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,197 reviews

Food

6.4

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Overall

7.2

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.
American Airlines
7.2
Good
11,197 reviews
American Airlines
7.2
Good
11,197 reviews

Food

6.4

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Overall

7.2

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.

Related info for your journey

Find useful and relevant information for your journey from Denver to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Denver to Castries round-trip?

    Our cheapest airline available from Denver to Castries is American Airlines. Our recent data shows that you can find tickets from as low as $656 on this airline. American Airlines is priced at 25% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Denver to Castries that include hotel bookings?

    Yes. In addition to deals on Denver to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Castries.

  • Can I find deals for business class flights from Denver to Castries?

    Yes. Cheapflights offers flight deals from Denver to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Castries?

    Currently, August is the cheapest month in which you can book a flight from Denver to Castries (average of $226). Flying from Denver to Castries in January is currently the most expensive (average of $682). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Gros Islet
Rodney Bay
Marigot Bay

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Alternative routes for Denver to Castries

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Castries flights
Colorado Springs to Castries flights

Top airline flying from Denver to Castries

Discover the top airline that operate flights from Denver to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$656Average$934FlexibilityNo cancel feeOn-time71%

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