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Cheap flights from Buffalo to San José from C$ 163

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to San José

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to San José
Explore the most affordable flight options available from Buffalo to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 February 2026.

Tue 31/36:39 p.m.
BUF
-
SJO
2 stops18h 47m
GOL
Tue 7/46:00 a.m.
SJO
-
BUF
1 stop13h 36m
GOL
Deal found 24/2C$ 484
Mon 23/26:07 a.m.
BUF
-
SJO
2 stops15h 32m
United Airlines
Mon 9/31:20 p.m.
SJO
-
BUF
2 stops29h 26m
United Airlines
Deal found 22/2C$ 549
Thu 26/27:00 a.m.
BUF
-
SJO
2 stops13h 53m
United Airlines
Sat 28/211:28 p.m.
SJO
-
BUF
1 stop9h 50m
United Airlines
Deal found 22/2C$ 560
Tue 24/26:07 a.m.
BUF
-
SJO
2 stops15h 32m
United Airlines
Thu 26/22:05 p.m.
SJO
-
BUF
1 stop8h 54m
United Airlines
Deal found 22/2C$ 572
Wed 18/310:23 a.m.
BUF
-
SJO
2 stops12h 52m
Delta
Wed 25/37:00 a.m.
SJO
-
BUF
2 stops15h 14m
Delta
Deal found 22/2C$ 575
Mon 23/26:07 a.m.
BUF
-
SJO
2 stops15h 32m
United Airlines
Mon 2/32:20 p.m.
SJO
-
BUF
2 stops29h 31m
United Airlines
Deal found 22/2C$ 583
Wed 17/65:52 p.m.
BUF
-
SJO
2 stops18h 19m
United Airlines
Sat 20/612:30 a.m.
SJO
-
BUF
2 stops42h 33m
United Airlines
Deal found 25/2C$ 597
Mon 9/37:00 a.m.
BUF
-
SJO
1 stop30h 56m
United Airlines
Mon 16/31:05 p.m.
SJO
-
BUF
2 stops32h 37m
United Airlines
Deal found 22/2C$ 602
Wed 18/37:00 a.m.
BUF
-
SJO
2 stops40h 32m
United Airlines
Wed 25/35:30 a.m.
SJO
-
BUF
2 stops33h 12m
United Airlines
Deal found 22/2C$ 616
Sun 15/36:15 a.m.
BUF
-
SJO
2 stops17h 00m
Delta
Wed 18/37:00 a.m.
SJO
-
BUF
2 stops24h 42m
Delta
Deal found 22/2C$ 627
Tue 31/36:34 a.m.
BUF
-
SJO
1 stop9h 21m
American Airlines
Tue 7/46:00 a.m.
SJO
-
BUF
1 stop13h 36m
American Airlines
Deal found 24/2C$ 649

Find flight deals from Buffalo to San José

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San José (SJO). 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 26 February 2026.

Round-trip from

C$ 484

One-way from

C$ 163

Popular in

December

Cheapest in

November

Average price

C$ 771
GOL
  • GOL
  • 31/3-7/4
  • 3 total stops
  • 32h 23m total
  • Buffalo to San José
Search Deals
United Airlines
  • United Airlines
  • 14/4
  • 2 total stops
  • 14h 37m total
  • Buffalo to San José
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 26 February 2026.
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

Wed 11/3

7:00 a.m.-9:15 p.m.

2 stops16h 15m

San José Juan Santamaria Intl

Wed 18/3

7:00 a.m.-9:42 a.m.

2 stops24h 42m

C$ 627

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 18/3

10:23 a.m.-9:15 p.m.

2 stops12h 52m

San José Juan Santamaria Intl

Wed 25/3

1:20 p.m.-11:46 p.m.

1 stop8h 26m

C$ 657

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 25/3

6:02 a.m.-9:15 p.m.

2 stops17h 13m

San José Juan Santamaria Intl

Wed 1/4

1:20 p.m.-11:46 p.m.

1 stop8h 26m

C$ 694

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 31/3

7:00 a.m.-10:11 a.m.

2 stops29h 11m

San José Juan Santamaria Intl

Tue 7/4

7:55 a.m.-5:16 p.m.

2 stops31h 21m

C$ 719

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 18/3

12:07 p.m.-9:15 p.m.

1 stop11h 08m

San José Juan Santamaria Intl

Tue 31/3

1:20 p.m.-11:46 p.m.

1 stop8h 26m

C$ 755

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 11/3

12:07 p.m.-9:15 p.m.

1 stop11h 08m

San José Juan Santamaria Intl

Mon 16/3

7:00 a.m.-6:43 p.m.

1 stop9h 43m

C$ 851

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Thu 19/3

12:07 p.m.-9:15 p.m.

1 stop11h 08m

San José Juan Santamaria Intl

Mon 23/3

1:20 p.m.-11:46 p.m.

1 stop8h 26m

C$ 888

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 20/3

12:07 p.m.-9:15 p.m.

1 stop11h 08m

San José Juan Santamaria Intl

Mon 23/3

1:20 p.m.-11:46 p.m.

1 stop8h 26m

C$ 888

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 30/3

7:45 p.m.-10:11 a.m.

2 stops16h 26m

San José Juan Santamaria Intl

Mon 6/4

1:25 p.m.-10:10 a.m.

2 stops18h 45m

C$ 890

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Thu 12/3

6:00 a.m.-9:15 p.m.

1 stop17h 15m

San José Juan Santamaria Intl

Mon 16/3

7:00 a.m.-6:43 p.m.

1 stop9h 43m

C$ 957

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/2

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Buffalo to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Buffalo 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 Buffalo to San José

How far ahead should I book a flight from Buffalo to San José?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to San José. Price data was last updated on 20 February 2026.

The price you pay for your flight from Buffalo to San José may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Buffalo to San José?

Currently, March is the cheapest month in which you can book a flight from Buffalo to San José (average of C$ 301). Flying from Buffalo to San José in May is currently the most expensive (average of C$ 505). 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 San José

Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated 26 February 2026.
See what other customers who have flown with JetBlue from Buffalo to San José have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,897 reviews
Check prices

Overall

7.2

Food

6.6

Boarding

7.4

Comfort

7.5

Crew

8.0

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.
JetBlue
7.2
Good
2,897 reviews
JetBlue
7.2
Good
2,897 reviews
Check prices

Overall

7.2

Food

6.6

Boarding

7.4

Comfort

7.5

Crew

8.0

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Wei,Feb 2026

JFK - BOS

The JFK to BOS flight was uneventful. The delay of the inbound plane was difficult since we were near 1.5 hours in delays from the original departure time.

Related info for your journey

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

  • How long is the flight from Buffalo to San José?

    Delta and United Airlines can get you from Buffalo to San José in just under 15h 39m. Your travel time can differ by up to 1h 34m. Airlines will cover a distance of 3700 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Buffalo to San José round-trip?

    Cheapflights users have booked flights from Buffalo to San José round-trip from C$ 471. JetBlue is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Buffalo to San José that include hotel bookings?

    Yes. In addition to deals on Buffalo to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to San José?

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

  • Can I find deals for business class flights from Buffalo to San José?

    Yes. Cheapflights offers flight deals from Buffalo to San José 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 Buffalo to San José?

    Currently, March is the cheapest month in which you can book a flight from Buffalo to San José (average of C$ 301). Flying from Buffalo to San José in May is currently the most expensive (average of C$ 505). 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

Travelling to a place near San José?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buffalo to San José

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to San José flights
Buffalo to Liberia flights

Top airline flying from Buffalo to San José

Discover the top airline that operate flights from Buffalo to San José. 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 629,999 searches. Data last updated 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestC$ 471AverageC$ 863FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to San José?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Buffalo to San José. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to San José?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San José from Buffalo.

Can Cheapflights find flights from Buffalo to San José with no change fees?

Yes! Cheapflights helps users easily find flights from Buffalo to San José with no change fees.

Can Cheapflights notify me if prices for flights from Buffalo to San José become cheaper?

Yes! Start tracking prices for Buffalo to San José flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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