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Cheap flights from Buffalo to San José from C$ 188

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
17 May — 24 May1
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 17 April 2026.

Sat 20/610:05 p.m.
BUF
-
SJO
1 stop12h 15m
Frontier
Sat 27/69:35 a.m.
SJO
-
BUF
1 stop9h 45m
Frontier
Deal found 14/4C$ 480
Wed 24/66:25 a.m.
BUF
-
SJO
2 stops32h 44m
American Airlines
Mon 29/62:09 p.m.
SJO
-
BUF
2 stops26h 32m
American Airlines
Deal found 14/4C$ 510
Wed 24/66:25 a.m.
BUF
-
SJO
2 stops32h 44m
American Airlines
Sun 28/611:59 p.m.
SJO
-
BUF
2 stops20h 37m
American Airlines
Deal found 14/4C$ 517
Wed 10/67:00 a.m.
BUF
-
SJO
1 stop17h 42m
American Airlines
Mon 15/66:00 a.m.
SJO
-
BUF
2 stops15h 54m
American Airlines
Deal found 13/4C$ 518
Tue 5/56:00 a.m.
BUF
-
SJO
1 stop7h 56m
JetBlue
Mon 18/511:59 p.m.
SJO
-
BUF
1 stop11h 57m
JetBlue
Deal found 12/4C$ 524
Fri 17/46:00 a.m.
BUF
-
SJO
1 stop7h 38m
United Airlines
Fri 24/412:44 p.m.
SJO
-
BUF
1 stop8h 49m
United Airlines
Deal found 12/4C$ 535
Thu 14/57:28 p.m.
BUF
-
SJO
2 stops17h 39m
GOL
Thu 21/512:50 p.m.
SJO
-
BUF
2 stops18h 41m
GOL
Deal found 14/4C$ 539
Fri 19/67:57 p.m.
BUF
-
SJO
1 stop14h 23m
Frontier
Sat 27/69:35 a.m.
SJO
-
BUF
1 stop9h 45m
Frontier
Deal found 14/4C$ 571
Mon 22/67:57 p.m.
BUF
-
SJO
1 stop21h 14m
Multiple Airlines
Sat 27/69:35 a.m.
SJO
-
BUF
1 stop9h 45m
Multiple Airlines
Deal found 14/4C$ 584
Wed 24/62:50 p.m.
BUF
-
SJO
2 stops19h 30m
Multiple Airlines
Sat 27/69:35 a.m.
SJO
-
BUF
1 stop9h 45m
Multiple Airlines
Deal found 14/4C$ 605
Mon 13/46:00 a.m.
BUF
-
SJO
1 stop7h 38m
United Airlines
Mon 20/411:50 a.m.
SJO
-
BUF
1 stop9h 43m
United Airlines
Deal found 12/4C$ 606

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 17 April 2026.

Round-trip from

C$ 480

One-way from

C$ 188

Popular in

December

Cheapest in

November

Average price

C$ 809
Frontier
  • Frontier
  • 20/6-27/6
  • 2 total stops
  • 22h 00m total
  • Buffalo to San José
Search Deals
JetBlue
  • JetBlue
  • 12/5
  • 1 total stop
  • 7h 24m total
  • Buffalo to San José
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 17 April 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

Cheapest round-trip

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 6/5

6:00 a.m.-11:24 a.m.

1 stop7h 24m

San José Juan Santamaria Intl

Tue 19/5

11:59 p.m.-2:22 p.m.

1 stop12h 23m

C$ 631

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 5/5

6:00 a.m.-11:24 a.m.

1 stop7h 24m

San José Juan Santamaria Intl

Tue 19/5

11:59 p.m.-2:22 p.m.

1 stop12h 23m

C$ 631

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 6/5

6:00 a.m.-11:24 a.m.

1 stop7h 24m

San José Juan Santamaria Intl

Wed 20/5

11:59 p.m.-1:42 p.m.

1 stop11h 43m

C$ 631

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 22/6

7:57 p.m.-3:11 p.m.

1 stop21h 14m

San José Juan Santamaria Intl

Sun 28/6

1:21 p.m.-1:55 p.m.

2 stops22h 34m

C$ 669

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 22/6

7:57 p.m.-11:49 a.m.

2 stops17h 52m

San José Juan Santamaria Intl

Fri 26/6

1:14 p.m.-11:59 p.m.

1 stop8h 45m

C$ 694
Quickest round-trip

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 5/10

6:00 a.m.-11:54 a.m.

1 stop7h 54m

San José Juan Santamaria Intl

Fri 9/10

1:23 p.m.-11:55 p.m.

1 stop8h 32m

C$ 704

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 26/9

10:50 a.m.-12:26 p.m.

2 stops27h 36m

San José Juan Santamaria Intl

Tue 29/9

1:30 p.m.-9:49 a.m.

2 stops18h 19m

C$ 705

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 6/5

5:50 p.m.-12:21 p.m.

2 stops20h 31m

San José Juan Santamaria Intl

Sun 10/5

7:55 a.m.-9:40 a.m.

2 stops23h 45m

C$ 732

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 19/6

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

2 stops29h 11m

San José Juan Santamaria Intl

Tue 30/6

12:30 a.m.-8:41 p.m.

2 stops18h 11m

C$ 763

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 12/8

6:00 a.m.-11:56 a.m.

1 stop7h 56m

San José Juan Santamaria Intl

Tue 25/8

1:21 p.m.-11:58 p.m.

1 stop8h 37m

C$ 771

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 16 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

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

Currently, November is the cheapest month in which you can book a flight from Buffalo to San José (average of C$ 514). Flying from Buffalo to San José in December is currently the most expensive (average of C$ 1,067). 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.

How much does it cost to fly round-trip from Buffalo to San José?

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 17 April 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
2,939 reviews
Check prices

Overall

7.2

Food

6.6

Entertainment

7.2

Boarding

7.3

Crew

7.9

Comfort

7.5

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
2,939 reviews
JetBlue
7.2
Good
2,939 reviews
Check prices

Overall

7.2

Food

6.6

Entertainment

7.2

Boarding

7.3

Crew

7.9

Comfort

7.5

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?

    JetBlue and Delta can get you from Buffalo to San José in just under 7h 24m. Your travel time can differ by up to 10h 28m. 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$ 472. 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, November is the cheapest month in which you can book a flight from Buffalo to San José (average of C$ 514). Flying from Buffalo to San José in December is currently the most expensive (average of C$ 1,067). 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
Manuel Antonio
Alajuela
Jacó
Heredia
Dominical
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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestC$ 472AverageC$ 865FlexibilityNo 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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