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Cheap flights from Buffalo to Castries from $172

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 3/9. 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
6:00 am - 3:15 pm
BUF
-
UVF
9h 15m
1 stop
JetBlue Logo
1:47 pm - 11:58 pm
UVF
-
BUF
10h 11m
1 stop
$418JetBlue
Tue, Aug 11 - Tue, Sep 1
JetBlue Logo
6:00 am - 3:15 pm
BUF
-
UVF
9h 15m
1 stop
JetBlue Logo
12:41 pm - 9:17 pm
UVF
-
BUF
8h 36m
1 stop
$450JetBlue
Sat, Apr 11 - Sat, Apr 18
JetBlue Logo
7:00 am - 2:37 pm
BUF
-
UVF
7h 37m
1 stop
JetBlue Logo
3:56 pm - 9:17 pm
UVF
-
BUF
29h 21m
1 stop
$469JetBlue
Wed, Apr 15 - Wed, Apr 22
JetBlue Logo
8:00 pm - 5:46 pm
BUF
-
UVF
21h 46m
1 stop
JetBlue Logo
6:52 pm - 8:06 am
UVF
-
BUF
13h 14m
1 stop
$489JetBlue
Mon, Mar 30 - Sat, Apr 4
JetBlue Logo
8:00 pm - 5:46 pm
BUF
-
UVF
21h 46m
1 stop
JetBlue Logo
6:52 pm - 8:06 am
UVF
-
BUF
13h 14m
1 stop
$507JetBlue
Mon, Mar 30 - Mon, Apr 6
JetBlue Logo
6:00 am - 3:15 pm
BUF
-
UVF
9h 15m
1 stop
JetBlue Logo
1:47 pm - 11:58 pm
UVF
-
BUF
10h 11m
1 stop
$535JetBlue
Wed, Jul 22 - Wed, Jul 29
JetBlue Logo
4:38 pm - 5:46 pm
BUF
-
UVF
25h 08m
2 stops
JetBlue Logo
6:52 pm - 8:06 am
UVF
-
BUF
13h 14m
1 stop
$537JetBlue
Mon, Mar 30 - Mon, Apr 6
JetBlue Logo
8:59 pm - 5:47 pm
BUF
-
UVF
20h 48m
1 stop
JetBlue Logo
3:57 pm - 8:58 am
UVF
-
BUF
17h 01m
1 stop
$545JetBlue
Wed, Apr 8 - Wed, Apr 15
JetBlue Logo
6:00 am - 5:47 pm
BUF
-
UVF
11h 47m
1 stop
JetBlue Logo
12:41 pm - 9:17 pm
UVF
-
BUF
8h 36m
1 stop
$548JetBlue
Sun, Apr 12 - Sat, Apr 18
JetBlue Logo
7:00 am - 2:37 pm
BUF
-
UVF
7h 37m
1 stop
JetBlue Logo
3:56 pm - 9:59 pm
UVF
-
BUF
30h 03m
2 stops
$551JetBlue
Wed, Apr 15 - Wed, Apr 22

JetBlue flights from Buffalo to Castries

Our best JetBlue deals on Buffalo to Castries flight tickets
JetBlue
Aug 11
BUF6:00 amBuffalo
9h 15m
1 stop
UVF3:15 pmCastries Hewanorra
Sep 1
UVF1:47 pmCastries Hewanorra
10h 11m
1 stop
BUF11:58 pmBuffalo
$418
JetBlue
Apr 11
BUF6:00 amBuffalo
9h 15m
1 stop
UVF3:15 pmCastries Hewanorra
Apr 18
UVF12:41 pmCastries Hewanorra
8h 36m
1 stop
BUF9:17 pmBuffalo
$450
JetBlue
Apr 15
BUF7:00 amBuffalo
7h 37m
1 stop
UVF2:37 pmCastries Hewanorra
Apr 22
UVF3:56 pmCastries Hewanorra
29h 21m
1 stop
BUF9:17 pmBuffalo
$469

American Airlines flights from Buffalo to Castries

Our best American Airlines deals on Buffalo to Castries flight tickets
American Airlines
Apr 15
BUF6:00 pmBuffalo
20h 26m
2 stops
UVF2:26 pmCastries Hewanorra
Apr 22
UVF3:28 pmCastries Hewanorra
19h 23m
2 stops
BUF10:51 amBuffalo
$715
American Airlines
May 20
BUF3:55 pmBuffalo
20h 07m
2 stops
UVF12:02 pmCastries Hewanorra
May 25
UVF1:02 pmCastries Hewanorra
20h 29m
2 stops
BUF9:31 amBuffalo
$741
American Airlines
Jun 24
BUF7:40 pmBuffalo
18h 18m
2 stops
UVF1:58 pmCastries Hewanorra
Jun 30
UVF1:02 pmCastries Hewanorra
21h 31m
2 stops
BUF10:33 amBuffalo
$766

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 March 4, 2026.
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

Tue 8/11

6:00 am-3:15 pm

1 stop9h 15m

Castries Hewanorra

Tue 9/1

1:47 pm-11:58 pm

1 stop10h 11m

$418

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Sat 4/11

6:00 am-3:15 pm

1 stop9h 15m

Castries Hewanorra

Sat 4/18

12:41 pm-9:17 pm

1 stop8h 36m

$450

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 4/15

7:00 am-2:37 pm

1 stop7h 37m

Castries Hewanorra

Wed 4/22

3:56 pm-9:17 pm

1 stop29h 21m

$469

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Mon 3/30

8:00 pm-5:46 pm

1 stop21h 46m

Castries Hewanorra

Sat 4/4

6:52 pm-8:06 am

1 stop13h 14m

$489

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Mon 3/30

8:00 pm-5:46 pm

1 stop21h 46m

Castries Hewanorra

Mon 4/6

6:52 pm-8:06 am

1 stop13h 14m

$507

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 7/22

6:00 am-3:15 pm

1 stop9h 15m

Castries Hewanorra

Wed 7/29

1:47 pm-11:58 pm

1 stop10h 11m

$535

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Mon 3/30

4:38 pm-5:46 pm

2 stops25h 08m

Castries Hewanorra

Mon 4/6

6:52 pm-8:06 am

1 stop13h 14m

$537

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 4/8

8:59 pm-5:47 pm

1 stop20h 48m

Castries Hewanorra

Wed 4/15

3:57 pm-8:58 am

1 stop17h 01m

$545

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Sun 4/12

6:00 am-5:47 pm

1 stop11h 47m

Castries Hewanorra

Sat 4/18

12:41 pm-9:17 pm

1 stop8h 36m

$548

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 4/15

7:00 am-2:37 pm

1 stop7h 37m

Castries Hewanorra

Wed 4/22

3:56 pm-9:59 pm

2 stops30h 03m

$551

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 June is, on average, the cheapest month to fly to Castries from Buffalo, with most prices found around $552. The month of September is another great option to travel to Castries, with average flight prices from Buffalo averaging around $557.

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 22m

Direct flights

None
The fastest flight from Buffalo to Castries takes 7h 22m
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 22m, 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
2,896 reviews
Search JetBlue flights
American AirlinesPriceFrom $601Free CancellationRating
7.1
11,379 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