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Cheap flights from Buffalo to San José from C$ 248

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
23 Feb — 2 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 24 January 2026.

Wed 11/36:00 a.m.
BUF
-
SJO
1 stop8h 53m
JetBlue
Tue 24/38:59 a.m.
SJO
-
BUF
1 stop11h 14m
JetBlue
Deal found 23/1C$ 400
Mon 26/16:00 a.m.
BUF
-
SJO
1 stop8h 00m
Delta
Mon 2/27:00 a.m.
SJO
-
BUF
1 stop9h 54m
Delta
Deal found 22/1C$ 436
Mon 23/211:17 a.m.
BUF
-
SJO
1 stop25h 23m
Multiple Airlines
Mon 2/312:35 p.m.
SJO
-
BUF
1 stop28h 46m
Multiple Airlines
Deal found 21/1C$ 498
Sat 21/24:37 p.m.
BUF
-
SJO
1 stop20h 03m
Multiple Airlines
Sat 28/22:30 p.m.
SJO
-
BUF
1 stop21h 54m
Multiple Airlines
Deal found 22/1C$ 549
Tue 10/37:00 a.m.
BUF
-
SJO
1 stop6h 55m
JetBlue
Tue 24/38:59 a.m.
SJO
-
BUF
1 stop11h 14m
JetBlue
Deal found 22/1C$ 565
Mon 26/18:30 a.m.
BUF
-
SJO
2 stops12h 23m
United Airlines
Fri 30/18:45 a.m.
SJO
-
BUF
2 stops27h 39m
United Airlines
Deal found 22/1C$ 583
Tue 10/36:00 a.m.
BUF
-
SJO
1 stop8h 53m
JetBlue
Thu 19/38:59 a.m.
SJO
-
BUF
1 stop11h 13m
JetBlue
Deal found 23/1C$ 607

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 24 January 2026.

Round-trip from

C$ 400

One-way from

C$ 248

Popular in

July

Cheapest in

September

Average price

C$ 710
JetBlue
  • JetBlue
  • 11/3-24/3
  • 2 total stops
  • 20h 07m total
  • Buffalo to San José
Search Deals
Delta
  • Delta
  • 18/3
  • 2 total stops
  • 12h 43m total
  • Buffalo to San José
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 277 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 24 January 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

Wed 11/3

6:00 a.m.-12:53 p.m.

1 stop8h 53m

San José Juan Santamaria Intl

Wed 25/3

8:59 a.m.-10:13 p.m.

1 stop11h 14m

C$ 400

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 23/2

11:17 a.m.-11:40 a.m.

1 stop25h 23m

San José Juan Santamaria Intl

Mon 2/3

12:35 p.m.-6:21 p.m.

1 stop28h 46m

C$ 498

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 11/3

6:00 a.m.-12:53 p.m.

1 stop8h 53m

San José Juan Santamaria Intl

Tue 24/3

8:59 a.m.-10:13 p.m.

1 stop11h 14m

C$ 550

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 11/3

6:00 a.m.-12:53 p.m.

1 stop8h 53m

San José Juan Santamaria Intl

Thu 19/3

8:59 a.m.-10:12 p.m.

1 stop11h 13m

C$ 607

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 10/3

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

2 stops17h 13m

San José Juan Santamaria Intl

Tue 24/3

7:00 a.m.-11:13 p.m.

2 stops14h 13m

C$ 660

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 21/2

6:25 p.m.-12:56 p.m.

2 stops19h 31m

San José Juan Santamaria Intl

Sat 28/2

2:20 p.m.-4:43 p.m.

2 stops25h 23m

C$ 671

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 19/4

6:09 a.m.-11:51 a.m.

1 stop7h 42m

San José Juan Santamaria Intl

Sun 26/4

7:55 a.m.-10:12 a.m.

2 stops24h 17m

C$ 675

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 11/3

5:29 p.m.-7:39 p.m.

2 stops28h 10m

San José Juan Santamaria Intl

Mon 23/3

5:30 a.m.-1:17 p.m.

2 stops29h 47m

C$ 707

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 18/3

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

2 stops12h 43m

C$ 248

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 28/1

11:24 a.m.-12:56 p.m.

2 stops26h 32m

C$ 268

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/1

Showing 1-10 of 16 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 23 January 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$ 327). Flying from Buffalo to San José in July is currently the most expensive (average of C$ 637). 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 24 January 2026.
See what other customers who have flown with United Airlines,American Airlines, andJetBlue 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.
United Airlines
7.4
Good
9,193 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,193 reviews
United Airlines
7.4
Good
9,193 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,193 reviews
United Airlines
7.4
Good
9,193 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
JetBlue
7.2
Good
2,895 reviews
United Airlines
7.4
Good
9,193 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 can get you from Buffalo to San José in just under 8h 53m. Your travel time can differ by up to . Airlines will cover a distance of 3700 km.

  • 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$ 317. Other airlines that can offer you cheap pricing are JetBlue, from C$ 474, and United Airlines, from C$ 622. American Airlines is priced at 60% 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$ 327). Flying from Buffalo to San José in July is currently the most expensive (average of C$ 637). 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.
Buffalo to Liberia flights
John F Kennedy Intl to San José flights

Top 3 airlines flying from Buffalo to San José

Discover the top 3 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 24 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 317AverageC$ 528FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapestC$ 474AverageC$ 626FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapestC$ 622AverageC$ 935FlexibilityNo 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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