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Cheap flights from Buffalo to San José from C$ 291

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
17 Jul — 24 Jul1
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 June 2026.

Mon 26/105:05 a.m.
BUF
-
SJO
1 stop8h 55m
Southwest
Wed 11/119:00 a.m.
SJO
-
BUF
1 stop12h 20m
Southwest
Deal found 12/6C$ 679
Sat 20/67:00 a.m.
BUF
-
SJO
2 stops17h 39m
United Airlines
Wed 18/1111:28 p.m.
SJO
-
BUF
1 stop22h 09m
United Airlines
Deal found 12/6C$ 692
Mon 17/86:00 a.m.
BUF
-
SJO
1 stop8h 45m
Southwest
Thu 17/99:00 a.m.
SJO
-
BUF
1 stop11h 40m
Southwest
Deal found 14/6C$ 700
Mon 26/106:00 a.m.
BUF
-
SJO
1 stop7h 58m
Delta
Wed 11/112:30 p.m.
SJO
-
BUF
1 stop8h 25m
Delta
Deal found 14/6C$ 704
Sat 20/67:00 a.m.
BUF
-
SJO
2 stops17h 39m
United Airlines
Wed 30/912:44 p.m.
SJO
-
BUF
2 stops18h 45m
United Airlines
Deal found 13/6C$ 713
Mon 26/106:45 p.m.
BUF
-
SJO
1 stop18h 57m
United Airlines
Wed 11/1111:28 p.m.
SJO
-
BUF
1 stop22h 09m
United Airlines
Deal found 12/6C$ 725
Thu 18/66:09 a.m.
BUF
-
SJO
2 stops30h 02m
United Airlines
Tue 17/112:20 p.m.
SJO
-
BUF
2 stops18h 29m
United Airlines
Deal found 12/6C$ 738
Mon 29/67:00 a.m.
BUF
-
SJO
2 stops29h 11m
United Airlines
Mon 14/128:45 a.m.
SJO
-
BUF
2 stops24h 04m
United Airlines
Deal found 12/6C$ 782
Mon 5/105:05 a.m.
BUF
-
SJO
1 stop8h 55m
Southwest
Mon 12/101:30 p.m.
SJO
-
BUF
2 stops16h 50m
Southwest
Deal found 16/6C$ 785
Thu 18/66:00 a.m.
BUF
-
SJO
1 stop7h 54m
Delta
Tue 17/117:00 a.m.
SJO
-
BUF
2 stops10h 54m
Delta
Deal found 12/6C$ 798
Sat 20/610:44 a.m.
BUF
-
SJO
2 stops13h 59m
American Airlines
Tue 17/111:23 p.m.
SJO
-
BUF
1 stop20h 39m
American Airlines
Deal found 12/6C$ 802
Sat 20/67:00 a.m.
BUF
-
SJO
2 stops17h 39m
United Airlines
Sat 14/112:05 p.m.
SJO
-
BUF
1 stop18h 44m
United Airlines
Deal found 12/6C$ 804

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 June 2026.

Round-trip from

C$ 679

One-way from

C$ 291

Popular in

December

Cheapest in

September

Average price

C$ 728
Southwest
  • Southwest
  • 26/10-11/11
  • 2 total stops
  • 21h 15m total
  • Buffalo to San José
Search Deals
Southwest
  • Southwest
  • 13/9
  • 1 total stop
  • 13h 55m total
  • Buffalo to San José
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 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

Mon 17/8

6:00 a.m.-12:45 p.m.

1 stop8h 45m

San José Juan Santamaria Intl

Thu 17/9

9:00 a.m.-10:40 p.m.

1 stop11h 40m

C$ 700
Quickest round-trip

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 26/10

6:00 a.m.-11:58 a.m.

1 stop7h 58m

San José Juan Santamaria Intl

Wed 11/11

2:30 p.m.-11:55 p.m.

1 stop8h 25m

C$ 704

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 29/6

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

2 stops29h 11m

San José Juan Santamaria Intl

Mon 14/12

2:20 p.m.-9:49 a.m.

2 stops18h 29m

C$ 782

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 5/10

5:05 a.m.-12:00 p.m.

1 stop8h 55m

San José Juan Santamaria Intl

Mon 12/10

1:30 p.m.-8:20 a.m.

2 stops16h 50m

C$ 785

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 6/7

10:57 a.m.-10:11 a.m.

2 stops25h 14m

San José Juan Santamaria Intl

Sun 12/7

7:55 a.m.-10:00 a.m.

2 stops24h 05m

C$ 894

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 11/7

10:57 a.m.-10:11 a.m.

2 stops25h 14m

San José Juan Santamaria Intl

Tue 14/7

7:55 a.m.-10:00 a.m.

2 stops24h 05m

C$ 918

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 10/7

10:57 a.m.-7:37 p.m.

2 stops34h 40m

San José Juan Santamaria Intl

Wed 15/7

1:25 p.m.-10:00 a.m.

2 stops18h 35m

C$ 924
Cheapest one-way

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 13/9

6:45 a.m.-6:40 p.m.

1 stop13h 55m

C$ 291
Quickest one-way

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 2/8

6:10 a.m.-11:35 a.m.

1 stop7h 25m

C$ 351

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Thu 25/6

10:57 a.m.-10:39 p.m.

2 stops37h 42m

C$ 409

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/6

Sorted by cheapest first

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, September is the cheapest month in which you can book a flight from Buffalo to San José (average of C$ 482). Flying from Buffalo to San José in December is currently the most expensive (average of C$ 1,089). 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 June 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
2,981 reviews
Check prices

Entertainment

7.2

Overall

7.1

Food

6.6

Boarding

7.3

Comfort

7.5

Crew

7.9

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
7.1
Good
2,981 reviews
JetBlue
7.1
Good
2,981 reviews
Check prices

Entertainment

7.2

Overall

7.1

Food

6.6

Boarding

7.3

Comfort

7.5

Crew

7.9

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?

    Southwest, Delta, and United Airlines can get you from Buffalo to San José in just under 7h 58m. Your travel time can differ by up to 21h 13m. 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$ 482. JetBlue is priced at 35% 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, September is the cheapest month in which you can book a flight from Buffalo to San José (average of C$ 482). Flying from Buffalo to San José in December is currently the most expensive (average of C$ 1,089). 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
Manuel Antonio
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 June 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestC$ 482AverageC$ 884FlexibilityNo 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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