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Cheap flights from Buffalo to Castries from $585

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Castries departing on 8/24. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
6:35 am - 3:06 pm
BUF
-
UVF
8h 31m
1 stop
JetBlue Logo
1:59 pm - 7:50 am
UVF
-
BUF
17h 51m
1 stop
$585JetBlue
Mon, Aug 24 - Fri, Aug 28
JetBlue Logo
6:40 am - 3:22 pm
BUF
-
UVF
8h 42m
1 stop
JetBlue Logo
4:45 pm - 6:25 pm
UVF
-
BUF
25h 40m
1 stop
$608JetBlue
Wed, Jul 29 - Mon, Aug 3
American Airlines Logo
6:01 am - 2:20 pm
BUF
-
UVF
8h 19m
1 stop
American Airlines Logo
2:50 pm - 11:11 am
UVF
-
BUF
20h 21m
2 stops
$660American Airlines
Wed, Jul 22 - Wed, Jul 29
American Airlines Logo
6:01 am - 2:20 pm
BUF
-
UVF
8h 19m
1 stop
American Airlines Logo
3:20 pm - 12:51 pm
UVF
-
BUF
21h 31m
1 stop
$665American Airlines
Wed, Jul 22 - Wed, Jul 29
JetBlue Logo
6:40 am - 3:11 pm
BUF
-
UVF
8h 31m
1 stop
JetBlue Logo
1:57 pm - 7:52 am
UVF
-
BUF
17h 55m
1 stop
$685JetBlue
Mon, Jul 13 - Mon, Jul 20
JetBlue Logo
3:32 pm - 12:50 pm
BUF
-
UVF
21h 18m
1 stop
JetBlue Logo
4:45 pm - 7:52 am
UVF
-
BUF
15h 07m
1 stop
$695JetBlue
Fri, Jul 31 - Mon, Aug 3
American Airlines Logo
5:25 pm - 2:20 pm
BUF
-
UVF
20h 55m
2 stops
American Airlines Logo
2:50 pm - 9:37 am
UVF
-
BUF
18h 47m
2 stops
$700American Airlines
Wed, Jul 22 - Wed, Jul 29
JetBlue Logo
6:40 am - 3:22 pm
BUF
-
UVF
8h 42m
1 stop
JetBlue Logo
4:40 pm - 7:52 am
UVF
-
BUF
15h 12m
1 stop
$715JetBlue
Wed, Jul 29 - Sun, Aug 2
American Airlines Logo
4:50 pm - 1:49 pm
BUF
-
UVF
20h 59m
2 stops
American Airlines Logo
2:49 pm - 10:18 am
UVF
-
BUF
19h 29m
2 stops
$747American Airlines
Mon, Aug 24 - Fri, Aug 28
JetBlue Logo
6:40 am - 3:17 pm
BUF
-
UVF
8h 37m
1 stop
JetBlue Logo
4:35 pm - 7:50 am
UVF
-
BUF
15h 15m
1 stop
$785JetBlue
Sat, Aug 1 - Sat, Aug 8

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American Airlines flights from Buffalo to Castries

Our best American Airlines deals on Buffalo to Castries flight tickets
American Airlines
Jul 22
BUF6:01 amBuffalo
8h 19m
1 stop
UVF2:20 pmCastries Hewanorra
Jul 29
UVF2:50 pmCastries Hewanorra
20h 21m
2 stops
BUF11:11 amBuffalo
$660
American Airlines
Jul 22
BUF6:01 amBuffalo
8h 19m
1 stop
UVF2:20 pmCastries Hewanorra
Jul 29
UVF3:20 pmCastries Hewanorra
21h 31m
1 stop
BUF12:51 pmBuffalo
$665
American Airlines
Jul 22
BUF5:25 pmBuffalo
20h 55m
2 stops
UVF2:20 pmCastries Hewanorra
Jul 29
UVF2:50 pmCastries Hewanorra
18h 47m
2 stops
BUF9:37 amBuffalo
$700

JetBlue flights from Buffalo to Castries

Our best JetBlue deals on Buffalo to Castries flight tickets
JetBlue
Aug 24
BUF6:35 amBuffalo
8h 31m
1 stop
UVF3:06 pmCastries Hewanorra
Aug 28
UVF1:59 pmCastries Hewanorra
17h 51m
1 stop
BUF7:50 amBuffalo
$585
JetBlue
Jul 29
BUF6:40 amBuffalo
8h 42m
1 stop
UVF3:22 pmCastries Hewanorra
Aug 3
UVF4:45 pmCastries Hewanorra
25h 40m
1 stop
BUF6:25 pmBuffalo
$608
JetBlue
Jul 13
BUF6:40 amBuffalo
8h 31m
1 stop
UVF3:11 pmCastries Hewanorra
Jul 20
UVF1:57 pmCastries Hewanorra
17h 55m
1 stop
BUF7:52 amBuffalo
$685

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 June 21, 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

Cheapest round-trip

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Mon 8/24

6:35 am-3:06 pm

1 stop8h 31m

Castries Hewanorra

Fri 8/28

1:59 pm-7:50 am

1 stop17h 51m

$585

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 7/29

6:40 am-3:22 pm

1 stop8h 42m

Castries Hewanorra

Mon 8/3

4:45 pm-6:25 pm

1 stop25h 40m

$608

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 7/22

6:01 am-2:20 pm

1 stop8h 19m

Castries Hewanorra

Wed 7/29

2:50 pm-11:11 am

2 stops20h 21m

$660

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 7/22

6:01 am-2:20 pm

1 stop8h 19m

Castries Hewanorra

Wed 7/29

3:20 pm-12:51 pm

1 stop21h 31m

$665

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Mon 7/13

6:40 am-3:11 pm

1 stop8h 31m

Castries Hewanorra

Mon 7/20

1:57 pm-7:52 am

1 stop17h 55m

$685

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Fri 7/31

3:32 pm-12:50 pm

1 stop21h 18m

Castries Hewanorra

Mon 8/3

4:45 pm-7:52 am

1 stop15h 07m

$695

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 7/22

5:25 pm-2:20 pm

2 stops20h 55m

Castries Hewanorra

Wed 7/29

2:50 pm-9:37 am

2 stops18h 47m

$700

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Wed 7/29

6:40 am-3:22 pm

1 stop8h 42m

Castries Hewanorra

Sun 8/2

4:40 pm-7:52 am

1 stop15h 12m

$715

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Mon 8/24

4:50 pm-1:49 pm

2 stops20h 59m

Castries Hewanorra

Fri 8/28

2:49 pm-10:18 am

2 stops19h 29m

$747
Quickest round-trip

BuffaloCastries

BUF - UVF

BUFUVF

Buffalo

Sat 8/1

6:40 am-3:17 pm

1 stop8h 37m

Castries Hewanorra

Sat 8/8

4:35 pm-7:50 am

1 stop15h 15m

$785

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 typical price of a round-trip flight between Buffalo and Castries?

What is the cheapest month to fly to Castries?

The month of October is, on average, the cheapest month to fly to Castries from Buffalo, with most prices found around $0. The month of January is another great option to travel to Castries, with average flight prices from Buffalo averaging around $0.

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

8h 31m

Direct flights

None
The fastest flight from Buffalo to Castries takes 8h 31m
There are no direct flights from Buffalo to Castries. There are no popular flight routes from Buffalo to Castries.
Search flight deals

Frequently asked questions about flying from Buffalo to Castries

  • 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 8h 31m, 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
7.1
2,990 reviews
Search JetBlue flights
American AirlinesPriceFrom $671Free CancellationRating
7.1
11,722 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.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport