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Cheap flights from Buffalo to San José from $109

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 San José departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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American Airlines Logo
11:22 am - 10:30 pmBUF-SJO
12h 08m1 stop
American Airlines Logo
7:09 am - 4:40 pmSJO-BUF
8h 31m1 stop
$251American Airlines
Find Deal
Sat, Jan 31 - Sat, Feb 7
American Airlines Logo
6:14 am - 12:32 pmBUF-SJO
7h 18m1 stop
American Airlines Logo
2:50 pm - 10:47 amSJO-BUF
17h 57m1 stop
$252American Airlines
Find Deal
Mon, Feb 23 - Mon, Mar 9
American Airlines Logo
5:20 am - 8:51 pmBUF-SJO
16h 31m2 stops
American Airlines Logo
6:00 am - 9:08 pmSJO-BUF
13h 08m1 stop
$256American Airlines
Find Deal
Mon, Feb 23 - Mon, Mar 9
JetBlue Logo
7:00 am - 1:00 pmBUF-SJO
7h 00m1 stop
JetBlue Logo
1:10 pm - 11:59 pmSJO-BUF
9h 49m1 stop
$289JetBlue
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
1:59 pm - 12:56 pmBUF-SJO
23h 57m1 stop
United Airlines Logo
6:30 am - 8:29 pmSJO-BUF
12h 59m2 stops
$352United Airlines
Find Deal
Sat, Jan 17 - Sat, Jan 31
Multiple Airlines Logo
10:24 am - 1:32 pmBUF-SJO
28h 08m1 stop
Multiple Airlines Logo
1:20 pm - 11:10 amSJO-BUF
20h 50m2 stops
$360Multiple Airlines
Find Deal
Fri, Nov 28 - Wed, Dec 3
United Airlines Logo
8:30 am - 1:15 pmBUF-SJO
29h 45m2 stops
United Airlines Logo
6:30 am - 10:31 pmSJO-BUF
15h 01m2 stops
$366United Airlines
Find Deal
Sat, Jan 24 - Wed, Jan 28
JetBlue Logo
7:26 pm - 9:54 pmBUF-SJO
28h 28m1 stop
JetBlue Logo
9:00 am - 9:35 amSJO-BUF
22h 35m2 stops
$406JetBlue
Find Deal
Sun, Mar 29 - Sun, Apr 5
Multiple Airlines Logo
7:05 pm - 3:30 pmBUF-SJO
21h 25m2 stops
Multiple Airlines Logo
12:33 pm - 8:13 amSJO-BUF
18h 40m1 stop
$588Multiple Airlines
Find Deal
Sat, Jan 3 - Thu, Jan 8
Southwest Logo
6:55 am - 8:10 pmBUF-SJO
14h 15m1 stop
Southwest Logo
9:00 am - 6:00 pmSJO-BUF
8h 00m1 stop
$658Southwest
Find Deal
Sat, Dec 13 - Sun, Dec 14

American Airlines flights from Buffalo to San José

Our best American Airlines deals on Buffalo to San José flight tickets
American Airlines
Jan 31
BUF11:22 amBuffalo
12h 08m
1 stop
SJO10:30 pmSan José Juan Santamaria Intl
Feb 7
SJO7:09 amSan José Juan Santamaria Intl
8h 31m
1 stop
BUF4:40 pmBuffalo
$251
Find similar
American Airlines
Feb 23
BUF6:14 amBuffalo
7h 18m
1 stop
SJO12:32 pmSan José Juan Santamaria Intl
Mar 9
SJO2:50 pmSan José Juan Santamaria Intl
17h 57m
1 stop
BUF10:47 amBuffalo
$252
Find similar
American Airlines
Feb 23
BUF5:20 amBuffalo
16h 31m
2 stops
SJO8:51 pmSan José Juan Santamaria Intl
Mar 9
SJO6:00 amSan José Juan Santamaria Intl
13h 08m
1 stop
BUF9:08 pmBuffalo
$256
Find similar

United Airlines flights from Buffalo to San José

Our best United Airlines deals on Buffalo to San José flight tickets
United Airlines
Jan 17
BUF1:59 pmBuffalo
23h 57m
1 stop
SJO12:56 pmSan José Juan Santamaria Intl
Jan 31
SJO6:30 amSan José Juan Santamaria Intl
12h 59m
2 stops
BUF8:29 pmBuffalo
$352
Find similar
United Airlines
Jan 24
BUF8:30 amBuffalo
29h 45m
2 stops
SJO1:15 pmSan José Juan Santamaria Intl
Jan 28
SJO6:30 amSan José Juan Santamaria Intl
15h 01m
2 stops
BUF10:31 pmBuffalo
$366
Find similar
United Airlines
Nov 28
BUF7:00 amBuffalo
30h 56m
1 stop
SJO12:56 pmSan José Juan Santamaria Intl
Dec 3
SJO11:28 pmSan José Juan Santamaria Intl
10h 19m
1 stop
BUF10:47 amBuffalo
$369
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to San José 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 November 7, 2025.
Use the filters below to find and compare flights from Buffalo to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 1/31

11:22 am-10:30 pm

1 stop12h 08m

San José Juan Santamaria Intl

Sat 2/7

7:09 am-4:40 pm

1 stop8h 31m

$251

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

6:14 am-12:32 pm

1 stop7h 18m

San José Juan Santamaria Intl

Mon 3/9

2:50 pm-10:47 am

1 stop17h 57m

$252

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

5:20 am-8:51 pm

2 stops16h 31m

San José Juan Santamaria Intl

Mon 3/9

6:00 am-9:08 pm

1 stop13h 08m

$256

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 3/3

7:00 am-1:00 pm

1 stop7h 00m

San José Juan Santamaria Intl

Wed 3/4

1:10 pm-11:59 pm

1 stop9h 49m

$289

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 1/17

1:59 pm-12:56 pm

1 stop23h 57m

San José Juan Santamaria Intl

Sat 1/31

6:30 am-8:29 pm

2 stops12h 59m

$352

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 11/28

10:24 am-1:32 pm

1 stop28h 08m

San José Juan Santamaria Intl

Wed 12/3

1:20 pm-11:10 am

2 stops20h 50m

$360

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 1/24

8:30 am-1:15 pm

2 stops29h 45m

San José Juan Santamaria Intl

Wed 1/28

6:30 am-10:31 pm

2 stops15h 01m

$366

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 3/29

7:26 pm-9:54 pm

1 stop28h 28m

San José Juan Santamaria Intl

Sun 4/5

9:00 am-9:35 am

2 stops22h 35m

$406

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 1/3

7:05 pm-3:30 pm

2 stops21h 25m

San José Juan Santamaria Intl

Thu 1/8

12:33 pm-8:13 am

1 stop18h 40m

$588

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 12/13

6:55 am-8:10 pm

1 stop14h 15m

San José Juan Santamaria Intl

Sun 12/14

9:00 am-6:00 pm

1 stop8h 00m

$658

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Buffalo to San José

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 San José?

In general, September is the cheapest month to fly from Buffalo to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $356. If you don’t want to visit San José in September, then you should wait until October to fly from Buffalo, when ticket prices are also cheap, with an average price of $454.

What is the cheapest day to depart on your flight to San José?

On average, the least expensive day to fly to San José from Buffalo is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $527. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Buffalo to San José on a Friday will generally be more expensive and average around $879. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Buffalo to San José flights are usually those with departure times in the afternoon. Our users have found flights to San José in the afternoon for as low as $432. Flights at noon are often more expensive with an average ticket price of $626.

How far in advance should I book a flight to San José?

You are more likely to see cheaper flights to San José from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $618 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Buffalo for as low as $428 on momondo.

Can stopping save me money on Buffalo to San José flights?

You could potentially save up to 38% on your flight if you consider stops on a Buffalo to San José flight.

How have Buffalo to San José flight prices changed over time?

When to book flights from Buffalo to San José

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

Cheap Buffalo to San José (BUF to SJO) flight deals and tips

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

Direct flights

None
There are no direct flights from Buffalo to San José. There are no popular flight routes from Buffalo to San José.
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  • How far is Buffalo to San José Juan Santamaria Intl by plane?

    Buffalo and San José Juan Santamaria Intl are 2297.0 mi apart from one another. Flights usually cover this in 7h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Buffalo Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from Buffalo Airport to San José Juan Santamaria Intl Airport are updated daily.

  • How many operators does momondo search for flights from Buffalo Airport to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Buffalo Airport to San José Juan Santamaria Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The required travel and health documents for your San José Juan Santamaria Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San José Juan Santamaria Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Buffalo to San José?

Best airlines flying from Buffalo to San José

Compare and see reviews for airlines that fly from Buffalo to San José with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $251Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
DeltaPriceFrom $315Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $333Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
SouthwestPriceFrom $466Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $497Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buffalo to San José. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Buffalo to San José 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 San José?

momondo provides multiple filters to help you find the best flight to San José from Buffalo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

An easier way to manage your San José trip

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