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Cheap flights from Buffalo to San José from C$ 244

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
12 Sep — 19 Sep1
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 13 August 2026.

Mon 16/116:00 a.m. -
1 stop17h 15m
Thu 19/117:00 a.m. -
1 stop15h 59m
Deal found 11/8C$ 520
Sat 14/116:00 a.m. -
1 stop8h 05m
Thu 19/112:30 p.m. -
2 stops16h 50m
Deal found 11/8C$ 527
Sat 14/116:00 a.m. -
1 stop8h 05m
Tue 24/117:00 a.m. -
2 stops24h 20m
Deal found 10/8C$ 531
Sat 14/116:00 a.m. -
1 stop8h 05m
Sat 21/112:30 p.m. -
1 stop8h 29m
Deal found 11/8C$ 534
Sat 14/116:00 a.m. -
1 stop8h 05m
Mon 23/112:30 p.m. -
2 stops16h 50m
Deal found 10/8C$ 538
Mon 9/117:40 a.m. -
1 stop7h 19m
Thu 19/113:05 p.m. -
1 stop7h 53m
Deal found 9/8C$ 563
Mon 16/116:00 a.m. -
1 stop17h 15m
Sun 22/112:30 p.m. -
2 stops16h 50m
Deal found 11/8C$ 568
Fri 13/116:00 a.m. -
1 stop8h 05m
Thu 19/117:00 a.m. -
2 stops15h 59m
Deal found 10/8C$ 571
Sat 14/116:00 a.m. -
1 stop8h 05m
Sun 22/112:30 p.m. -
2 stops16h 50m
Deal found 11/8C$ 575

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 13 August 2026.

Round-trip from

C$ 520

One-way from

C$ 237

Popular in

August

Cheapest in

November

Average price

C$ 1,091
Delta
  • Delta
  • 16/11-19/11
  • 3 total stops
  • 33h 14m total
  • Buffalo to San José
Search Deals
United Airlines
  • United Airlines
  • 6/10
  • 2 total stops
  • 14h 37m total
  • Buffalo to San José
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 145 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 13 August 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 Buffalo - SJO San José Juan Santamaria Intl

BUFSJO

Buffalo

Mon 16/11

6:00 a.m.-10:15 p.m.

1 stop17h 15m

San José Juan Santamaria Intl

Sat 21/11

2:30 p.m.-11:59 p.m.

1 stop8h 29m

C$ 527
Quickest round-trip

BuffaloSan José

BUF Buffalo - SJO San José Juan Santamaria Intl

BUFSJO

Buffalo

Sat 14/11

6:00 a.m.-1:05 p.m.

1 stop8h 05m

San José Juan Santamaria Intl

Sat 21/11

2:30 p.m.-11:59 p.m.

1 stop8h 29m

C$ 534

BuffaloSan José

BUF Buffalo - SJO San José Juan Santamaria Intl

BUFSJO

Buffalo

Sat 14/11

6:00 a.m.-1:05 p.m.

1 stop8h 05m

San José Juan Santamaria Intl

Thu 19/11

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

1 stop10h 00m

C$ 539

BuffaloSan José

BUF Buffalo - SJO San José Juan Santamaria Intl

BUFSJO

Buffalo

Mon 16/11

6:00 a.m.-10:15 p.m.

1 stop17h 15m

San José Juan Santamaria Intl

Mon 23/11

2:30 p.m.-11:14 a.m.

2 stops19h 44m

C$ 568

BuffaloSan José

BUF Buffalo - SJO San José Juan Santamaria Intl

BUFSJO

Buffalo

Sat 28/11

6:00 a.m.-10:15 p.m.

1 stop17h 15m

San José Juan Santamaria Intl

Thu 3/12

2:30 p.m.-8:20 a.m.

2 stops16h 50m

C$ 596

BuffaloSan José

BUF Buffalo - SJO San José Juan Santamaria Intl

BUFSJO

Buffalo

Sun 15/11

6:00 a.m.-10:15 p.m.

2 stops17h 15m

San José Juan Santamaria Intl

Sat 21/11

7:00 a.m.-10:44 p.m.

2 stops14h 44m

C$ 609

BuffaloSan José

BUF Buffalo - SJO San José Juan Santamaria Intl

BUFSJO

Buffalo

Sun 15/11

6:00 a.m.-10:15 p.m.

1 stop17h 15m

San José Juan Santamaria Intl

Mon 23/11

2:30 p.m.-11:59 p.m.

1 stop8h 29m

C$ 646

BuffaloSan José

BUF Buffalo - SJO San José Juan Santamaria Intl

BUFSJO

Buffalo

Mon 9/11

6:00 a.m.-10:15 p.m.

1 stop17h 15m

San José Juan Santamaria Intl

Sat 21/11

2:30 p.m.-11:59 p.m.

1 stop8h 29m

C$ 665

BuffaloSan José

BUF Buffalo - SJO San José Juan Santamaria Intl

BUFSJO

Buffalo

Mon 26/10

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

1 stop8h 00m

San José Juan Santamaria Intl

Wed 11/11

7:00 a.m.-11:59 p.m.

2 stops15h 59m

C$ 673

BuffaloSan José

BUF Buffalo - SJO San José Juan Santamaria Intl

BUFSJO

Buffalo

Wed 11/11

7:00 a.m.-10:15 p.m.

2 stops16h 15m

San José Juan Santamaria Intl

Fri 20/11

7:00 a.m.-8:20 a.m.

2 stops24h 20m

C$ 680

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

Showing 1-10 of 21 resultsSorted by cheapest first
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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

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$ 503). Flying from Buffalo to San José in August is currently the most expensive (average of C$ 1,091). 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?

Airfare is below average for this route at the moment.

Buffalo to San José flights typically cost between C$ 943 and C$ 1,181 in November.
The cheapest round-trip price found within the last 5 days was C$ 520 on Delta (16 Nov-19 Nov).

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 13 August 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
7.1
Good
3,035 reviews
Check prices

Overall

7.1

Entertainment

7.2

Comfort

7.5

Crew

7.9

Food

6.6

Boarding

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

ISP - FLL

Had a four delay with family of 5 was not a great day.
JetBlue
7.1
Good
3,035 reviews
JetBlue
7.1
Good
3,035 reviews
Check prices

Overall

7.1

Entertainment

7.2

Comfort

7.5

Crew

7.9

Food

6.6

Boarding

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

ISP - FLL

Had a four delay with family of 5 was not a great day.

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 can get you from Buffalo to San José in just under 17h 15m. Your travel time can differ by up to . Airlines will cover a distance of 3700 km.

  • 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$ 480. JetBlue is priced at 40% 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$ 503). Flying from Buffalo to San José in August is currently the most expensive (average of C$ 1,091). 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

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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 13 August 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestC$ 480AverageC$ 879FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

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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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