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Cheap flights from Buffalo to Castries from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Castries departing on 1/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Buffalo to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
7:00 am - 3:53 pm
BUF
-
UVF
7h 53m1 stop
JetBlue Logo
2:45 pm - 9:04 am
UVF
-
BUF
19h 19m1 stop
$337JetBlue
Sun, Feb 1 - Sat, Feb 7
JetBlue Logo
7:00 am - 3:53 pm
BUF
-
UVF
7h 53m1 stop
JetBlue Logo
2:45 pm - 6:50 pm
UVF
-
BUF
53h 05m2 stops
$416JetBlue
Sun, Feb 1 - Sat, Feb 7
JetBlue Logo
6:30 am - 2:33 pm
BUF
-
UVF
8h 03m1 stop
JetBlue Logo
2:24 pm - 11:55 pm
UVF
-
BUF
9h 31m1 stop
$475JetBlue
Sun, Apr 26 - Sun, May 3
JetBlue Logo
7:00 am - 3:43 pm
BUF
-
UVF
7h 43m1 stop
JetBlue Logo
5:50 pm - 9:36 am
UVF
-
BUF
16h 46m1 stop
$582JetBlue
Wed, Jan 7 - Mon, Jan 12
American Airlines Logo
6:53 pm - 4:02 pm
BUF
-
UVF
20h 09m2 stops
American Airlines Logo
5:02 pm - 11:21 am
UVF
-
BUF
19h 19m2 stops
$593American Airlines
Sun, Feb 1 - Sat, Feb 7
American Airlines Logo
6:17 am - 3:25 pm
BUF
-
UVF
8h 08m1 stop
American Airlines Logo
4:25 pm - 11:53 pm
UVF
-
BUF
8h 28m1 stop
$600American Airlines
Mon, Feb 23 - Mon, Mar 2
American Airlines Logo
5:24 pm - 2:50 pm
BUF
-
UVF
20h 26m2 stops
American Airlines Logo
4:25 pm - 11:53 pm
UVF
-
BUF
8h 28m1 stop
$605American Airlines
Mon, Feb 23 - Mon, Mar 2
American Airlines Logo
5:00 pm - 1:46 pm
BUF
-
UVF
19h 46m2 stops
American Airlines Logo
4:06 pm - 11:41 pm
UVF
-
BUF
8h 35m1 stop
$695American Airlines
Sat, Jan 17 - Sun, Jan 25
American Airlines Logo
12:58 pm - 3:03 pm
BUF
-
UVF
25h 05m1 stop
American Airlines Logo
4:06 pm - 11:41 pm
UVF
-
BUF
8h 35m1 stop
$700American Airlines
Sat, Jan 17 - Sun, Jan 25
American Airlines Logo
5:27 pm - 1:46 pm
BUF
-
UVF
19h 19m2 stops
American Airlines Logo
5:02 pm - 3:34 pm
UVF
-
BUF
23h 32m2 stops
$720American Airlines
Wed, Jan 7 - Mon, Jan 12

JetBlue flights from Buffalo to Castries

Our best JetBlue deals on Buffalo to Castries flight tickets
JetBlue
Feb 1
BUF7:00 amBuffalo
7h 53m
1 stop
UVF3:53 pmCastries Hewanorra
Feb 7
UVF2:45 pmCastries Hewanorra
19h 19m
1 stop
BUF9:04 amBuffalo
$337
Find similar
JetBlue
Feb 1
BUF7:00 amBuffalo
7h 53m
1 stop
UVF3:53 pmCastries Hewanorra
Feb 7
UVF2:45 pmCastries Hewanorra
53h 05m
2 stops
BUF6:50 pmBuffalo
$416
Find similar
JetBlue
Apr 26
BUF6:30 amBuffalo
8h 03m
1 stop
UVF2:33 pmCastries Hewanorra
May 3
UVF2:24 pmCastries Hewanorra
9h 31m
1 stop
BUF11:55 pmBuffalo
$475
Find similar

American Airlines flights from Buffalo to Castries

Our best American Airlines deals on Buffalo to Castries flight tickets
American Airlines
Feb 1
BUF6:53 pmBuffalo
20h 09m
2 stops
UVF4:02 pmCastries Hewanorra
Feb 7
UVF5:02 pmCastries Hewanorra
19h 19m
2 stops
BUF11:21 amBuffalo
$593
Find similar
American Airlines
Feb 23
BUF6:17 amBuffalo
8h 08m
1 stop
UVF3:25 pmCastries Hewanorra
Mar 2
UVF4:25 pmCastries Hewanorra
8h 28m
1 stop
BUF11:53 pmBuffalo
$600
Find similar
American Airlines
Feb 23
BUF3:53 pmBuffalo
23h 07m
2 stops
UVF4:00 pmCastries Hewanorra
Mar 2
UVF5:00 pmCastries Hewanorra
18h 59m
2 stops
BUF10:59 amBuffalo
$605
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo 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, momondo users made 832,500 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Buffalo to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Sun 2/1

7:00 am-3:53 pm

1 stop7h 53m

Castries Hewanorra

Sat 2/7

2:45 pm-9:04 am

1 stop19h 19m

$337

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Sun 2/1

7:00 am-3:53 pm

1 stop7h 53m

Castries Hewanorra

Sat 2/7

2:45 pm-6:50 pm

2 stops53h 05m

$416

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Sun 4/26

6:30 am-2:33 pm

1 stop8h 03m

Castries Hewanorra

Sun 5/3

2:24 pm-11:55 pm

1 stop9h 31m

$475

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 1/7

7:00 am-3:43 pm

1 stop7h 43m

Castries Hewanorra

Mon 1/12

5:50 pm-9:36 am

1 stop16h 46m

$582

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Sun 2/1

6:53 pm-4:02 pm

2 stops20h 09m

Castries Hewanorra

Sat 2/7

5:02 pm-11:21 am

2 stops19h 19m

$593

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Mon 2/23

6:17 am-3:25 pm

1 stop8h 08m

Castries Hewanorra

Mon 3/2

4:25 pm-11:53 pm

1 stop8h 28m

$600

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Mon 2/23

5:24 pm-2:50 pm

2 stops20h 26m

Castries Hewanorra

Mon 3/2

4:25 pm-11:53 pm

1 stop8h 28m

$605

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Sat 1/17

5:00 pm-1:46 pm

2 stops19h 46m

Castries Hewanorra

Sun 1/25

4:06 pm-11:41 pm

1 stop8h 35m

$695

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Sat 1/17

12:58 pm-3:03 pm

1 stop25h 05m

Castries Hewanorra

Sun 1/25

4:06 pm-11:41 pm

1 stop8h 35m

$700

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 1/7

5:27 pm-1:46 pm

2 stops19h 19m

Castries Hewanorra

Mon 1/12

5:02 pm-3:34 pm

2 stops23h 32m

$720

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Castries from

How to get the cheapest flight ticket from Buffalo to Castries

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Castries?

The month of January is, on average, the cheapest month to fly to Castries from Buffalo, with most prices found around $548. The month of September is another great option to travel to Castries, with average flight prices from Buffalo averaging around $557.

What is the cheapest day to depart on your flight to Castries?

The cheapest day to depart from Buffalo to Castries is on a Friday when prices can be found for as low as $584. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $811. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is in the afternoon. momondo users have found flights departing from Buffalo to Castries in the afternoon for as low as $582. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly in the morning, with an average ticket price of $740. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Buffalo to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Castries (BUF to UVF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Castries

Fastest flight time

7h 43m

Direct flights

None
The fastest flight from Buffalo to Castries takes 7h 43m
There are no direct flights from Buffalo to Castries. There are no popular flight routes from Buffalo to Castries.
Search flight deals

  • How far is Buffalo to Castries Hewanorra by plane?

    The distance between Buffalo and Castries Hewanorra is about 2259.4 mi. Flights usually cover this in 7h 43m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Buffalo Airport to Castries Hewanorra Airport?

    Prices for flights from Buffalo Airport to Castries Hewanorra Airport are updated daily.

  • How many operators does momondo search for flights from Buffalo Airport to Castries Hewanorra Airport?

  • How old do you have to be to fly from Buffalo Airport to Castries Hewanorra Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The travel and health documents required for your trip to Castries Hewanorra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Castries Hewanorra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Buffalo to Castries?

Best airlines flying from Buffalo to Castries

Compare and see reviews for airlines that fly from Buffalo to Castries with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $310Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
DeltaPriceFrom $473Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $572Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Castries?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Buffalo to Castries for you.

Can I find flights from Buffalo to Castries with flexible booking policies on momondo?

Flights from Buffalo to Castries with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to Castries?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Castries from Buffalo.

I’m not ready to book a flight from Buffalo to Castries right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Castries, momondo offers a useful price alert feature which will track prices for flights to Castries from Buffalo and alert you when they change.

An easier way to manage your Castries trip

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport