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Cheap flights from Buffalo to San José from C$ 342

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 20 November 2025.

Mon 15/126:45 a.m.BUF - SJO
1 stop7h 11mJetBlue
Mon 5/110:00 a.m.SJO - BUF
1 stop12h 43mJetBlue
Deal found 19/11C$ 363
Sun 21/127:58 p.m.BUF - SJO
2 stops18h 44mMultiple Airlines
Wed 24/1212:39 p.m.SJO - BUF
1 stop23h 33mMultiple Airlines
Deal found 19/11C$ 882
Sat 20/129:28 a.m.BUF - SJO
1 stop27h 14mMultiple Airlines
Wed 24/1212:39 p.m.SJO - BUF
1 stop23h 33mMultiple Airlines
Deal found 19/11C$ 929
Sun 21/127:58 p.m.BUF - SJO
2 stops18h 44mMultiple Airlines
Thu 25/1212:39 p.m.SJO - BUF
1 stop31h 01mMultiple Airlines
Deal found 19/11C$ 934
Sat 20/129:28 a.m.BUF - SJO
1 stop27h 14mMultiple Airlines
Thu 25/1212:39 p.m.SJO - BUF
1 stop31h 01mMultiple Airlines
Deal found 19/11C$ 976
Sun 21/127:58 p.m.BUF - SJO
2 stops18h 44mMultiple Airlines
Sat 27/1212:39 p.m.SJO - BUF
1 stop22h 57mMultiple Airlines
Deal found 19/11C$ 1,000
Sat 20/129:28 a.m.BUF - SJO
1 stop27h 14mMultiple Airlines
Sat 27/1212:39 p.m.SJO - BUF
2 stops29h 34mMultiple Airlines
Deal found 19/11C$ 1,004
Sun 21/126:00 a.m.BUF - SJO
2 stops29h 32mAmerican Airlines
Mon 29/1211:32 a.m.SJO - BUF
2 stops34h 12mAmerican Airlines
Deal found 19/11C$ 1,023
Sun 21/127:58 p.m.BUF - SJO
2 stops18h 44mMultiple Airlines
Tue 30/1212:39 p.m.SJO - BUF
1 stop31h 01mMultiple Airlines
Deal found 19/11C$ 1,033

Cheap 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 20 November 2025.

Round-trip from

C$ 363

One-way from

C$ 342

Popular in

July

Cheapest in

September

Average price

C$ 620
JetBlue
  • JetBlue
  • 15/12-5/1
  • 2 total stops
  • 19h 54m total
  • Buffalo to San José
Search Deals
United Airlines
  • United Airlines
  • 2/12
  • 2 total stops
  • 24h 25m total
  • Buffalo to San José
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (C$ 457 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 89 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 20 November 2025.
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 15/12

6:45 a.m.-12:56 p.m.

1 stop7h 11m

San José Juan Santamaria Intl

Mon 5/1

10:00 a.m.-11:43 p.m.

1 stop12h 43m

C$ 363

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Thu 22/1

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

2 stops13h 09m

San José Juan Santamaria Intl

Thu 29/1

6:30 a.m.-8:29 p.m.

2 stops12h 59m

C$ 449

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 26/1

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

2 stops17h 15m

San José Juan Santamaria Intl

Wed 28/1

2:31 p.m.-11:28 p.m.

1 stop7h 57m

C$ 450

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 10/3

7:00 a.m.-9:32 p.m.

2 stops16h 32m

San José Juan Santamaria Intl

Tue 24/3

1:05 p.m.-8:51 p.m.

1 stop29h 46m

C$ 514

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 23/2

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

1 stop6h 56m

San José Juan Santamaria Intl

Mon 2/3

1:10 p.m.-11:59 p.m.

1 stop9h 49m

C$ 543

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Thu 12/3

7:00 a.m.-7:39 p.m.

2 stops14h 39m

San José Juan Santamaria Intl

Tue 17/3

1:05 p.m.-8:51 p.m.

1 stop29h 46m

C$ 564

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 23/2

6:25 p.m.-1:15 p.m.

2 stops19h 50m

San José Juan Santamaria Intl

Mon 9/3

1:20 p.m.-8:51 p.m.

2 stops29h 31m

C$ 618

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 23/2

10:31 a.m.-10:15 p.m.

2 stops12h 44m

San José Juan Santamaria Intl

Mon 2/3

7:00 a.m.-10:41 p.m.

2 stops14h 41m

C$ 657

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Thu 12/3

12:09 p.m.-9:15 p.m.

1 stop11h 06m

San José Juan Santamaria Intl

Tue 17/3

7:00 a.m.-11:57 p.m.

1 stop14h 57m

C$ 774

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 2/12

1:50 p.m.-1:15 p.m.

2 stops24h 25m

C$ 342

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/11

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 14 November 2025.

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$ 335). Flying from Buffalo to San José in July is currently the most expensive (average of C$ 651). 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.

What is the cheapest time of day to fly from BUF to SJO?

Find hourly flight availability from Buffalo to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 November 2025.

It’s typically best to fly out from Buffalo to San José in the evening. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

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 20 November 2025.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines 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.
Southwest
8.0
Very good
4,249 reviews
Check prices

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,249 reviews
Southwest
8.0
Very good
4,249 reviews
Check prices

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,027 reviews
Southwest
8.0
Very good
4,249 reviews
Check prices

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,249 reviews
Check prices

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,902 reviews
Southwest
8.0
Very good
4,249 reviews
Check prices

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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, United Airlines, and Delta can get you from Buffalo to San José in just under 7h 11m. Your travel time can differ by up to 10h 04m. 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 are the cheapest airlines flying from Buffalo to San José round-trip?

    Cheapflights users have booked flights from Buffalo to San José round-trip from C$ 465. Other airlines that can offer you cheap pricing are Southwest, from C$ 526, and JetBlue, from C$ 573. American Airlines is priced at 45% 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$ 335). Flying from Buffalo to San José in July is currently the most expensive (average of C$ 651). 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 4 airlines flying from Buffalo to San José

Discover the top 4 airlines 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 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 465AverageC$ 540FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SouthwestCheapestC$ 526AverageC$ 971FlexibilityNo cancel feeOn-time63%
Search Southwest flights
JetBlueCheapestC$ 573AverageC$ 707FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapestC$ 636AverageC$ 1,029FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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