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Cheap flights from Buffalo to San José from C$ 202

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
16 Mar — 23 Mar1
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 14 February 2026.

Mon 2/310:30 a.m.
BUF
-
SJO
2 stops14h 10m
Multiple Airlines
Wed 11/34:15 p.m.
SJO
-
BUF
2 stops14h 47m
Multiple Airlines
Deal found 11/2C$ 437
Mon 2/37:41 p.m.
BUF
-
SJO
1 stop19h 09m
American Airlines
Wed 11/311:35 p.m.
SJO
-
BUF
1 stop21h 06m
American Airlines
Deal found 13/2C$ 471
Mon 2/36:00 a.m.
BUF
-
SJO
1 stop17h 02m
Delta
Wed 11/37:00 a.m.
SJO
-
BUF
1 stop8h 37m
Delta
Deal found 10/2C$ 497
Tue 24/27:00 a.m.
BUF
-
SJO
1 stop7h 00m
JetBlue
Thu 26/22:05 p.m.
SJO
-
BUF
1 stop8h 28m
JetBlue
Deal found 10/2C$ 501
Wed 18/312:07 p.m.
BUF
-
SJO
1 stop11h 08m
Delta
Wed 25/37:00 a.m.
SJO
-
BUF
2 stops14h 13m
Delta
Deal found 14/2C$ 512
Tue 24/26:00 a.m.
BUF
-
SJO
1 stop7h 42m
United Airlines
Thu 26/22:20 p.m.
SJO
-
BUF
2 stops29h 31m
United Airlines
Deal found 10/2C$ 523
Mon 2/35:24 p.m.
BUF
-
SJO
2 stops28h 15m
United Airlines
Wed 11/31:05 p.m.
SJO
-
BUF
1 stop25h 37m
United Airlines
Deal found 13/2C$ 551

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 14 February 2026.

Round-trip from

C$ 437

One-way from

C$ 202

Popular in

December

Cheapest in

November

Average price

C$ 782
2/3-11/3
  • 2/3-11/3
  • 4 total stops
  • 28h 57m total
  • Buffalo to San José
Search Deals
Delta
  • Delta
  • 3/3
  • 1 total stop
  • 10h 57m 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$ 40 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 14 February 2026.
Use the filters below to find and compare flights from Buffalo to San José that are best for you.

Fly from

Buffalo

Fly to

San José

Route

Depart

Return

Price

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/3

7:41 p.m.-1:50 p.m.

1 stop19h 09m

San José Juan Santamaria Intl

Wed 11/3

11:35 p.m.-10:41 p.m.

1 stop21h 06m

C$ 471

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/3

6:00 a.m.-10:02 p.m.

1 stop17h 02m

San José Juan Santamaria Intl

Wed 11/3

7:00 a.m.-5:37 p.m.

1 stop8h 37m

C$ 497

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 24/2

6:00 a.m.-12:42 p.m.

1 stop7h 42m

San José Juan Santamaria Intl

Thu 26/2

2:20 p.m.-8:51 p.m.

2 stops29h 31m

C$ 523

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/3

7:30 p.m.-11:45 a.m.

3 stops17h 15m

San José Juan Santamaria Intl

Wed 11/3

4:15 p.m.-9:02 a.m.

2 stops14h 47m

C$ 534

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/3

5:24 p.m.-8:39 p.m.

2 stops28h 15m

San José Juan Santamaria Intl

Wed 11/3

1:05 p.m.-4:42 p.m.

1 stop25h 37m

C$ 551

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 10/5

7:39 p.m.-8:30 a.m.

2 stops14h 51m

San José Juan Santamaria Intl

Sat 16/5

7:45 p.m.-9:00 a.m.

2 stops11h 15m

C$ 556

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 30/5

5:47 p.m.-10:11 a.m.

2 stops18h 24m

San José Juan Santamaria Intl

Fri 5/6

12:30 a.m.-10:00 a.m.

2 stops31h 30m

C$ 558

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 9/3

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

2 stops17h 13m

San José Juan Santamaria Intl

Mon 16/3

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

1 stop8h 26m

C$ 570

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 3/3

12:05 p.m.-10:02 p.m.

1 stop10h 57m

C$ 202

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 18/3

10:32 a.m.-9:15 p.m.

2 stops12h 43m

C$ 202

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 14 results
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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 6 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$ 300). Flying from Buffalo to San José in July is currently the most expensive (average of C$ 630). 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?

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?

    American Airlines, Delta, and JetBlue can get you from Buffalo to San José in just under 7h. Your travel time can differ by up to 12h 09m. 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.

  • 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$ 300). Flying from Buffalo to San José in July is currently the most expensive (average of C$ 630). 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

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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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