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Cheap flights from Buffalo to San José from C$ 252

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
20 Apr — 27 Apr1
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 21 March 2026.

Tue 27/106:00 a.m.
BUF
-
SJO
1 stop7h 58m
Delta
Thu 12/117:00 a.m.
SJO
-
BUF
1 stop15h 55m
Delta
Deal found 17/3C$ 450
Tue 27/1010:20 a.m.
BUF
-
SJO
2 stops26h 05m
United Airlines
Thu 29/1011:35 a.m.
SJO
-
BUF
2 stops20h 14m
United Airlines
Deal found 19/3C$ 597
Sat 2/57:50 p.m.
BUF
-
SJO
2 stops18h 31m
United Airlines
Sat 9/51:00 p.m.
SJO
-
BUF
1 stop18h 41m
United Airlines
Deal found 18/3C$ 624
Wed 24/67:00 a.m.
BUF
-
SJO
2 stops29h 11m
United Airlines
Tue 30/612:30 a.m.
SJO
-
BUF
2 stops21h 29m
United Airlines
Deal found 19/3C$ 653
Wed 29/410:41 a.m.
BUF
-
SJO
1 stop13h 33m
JetBlue
Thu 30/412:40 p.m.
SJO
-
BUF
1 stop8h 08m
JetBlue
Deal found 17/3C$ 657
Wed 24/67:00 a.m.
BUF
-
SJO
2 stops41h 39m
United Airlines
Tue 30/611:13 a.m.
SJO
-
BUF
2 stops34h 46m
United Airlines
Deal found 19/3C$ 663
Mon 8/65:52 p.m.
BUF
-
SJO
2 stops18h 19m
United Airlines
Wed 17/612:30 a.m.
SJO
-
BUF
2 stops21h 29m
United Airlines
Deal found 19/3C$ 668
Mon 24/87:31 p.m.
BUF
-
SJO
2 stops15h 14m
Multiple Airlines
Mon 7/95:05 a.m.
SJO
-
BUF
2 stops16h 34m
Multiple Airlines
Deal found 19/3C$ 675
Wed 6/512:25 p.m.
BUF
-
SJO
1 stop11h 49m
JetBlue
Sun 10/511:59 p.m.
SJO
-
BUF
1 stop13h 00m
JetBlue
Deal found 17/3C$ 679
Mon 17/86:00 a.m.
BUF
-
SJO
1 stop8h 45m
Southwest
Mon 31/89:00 a.m.
SJO
-
BUF
1 stop11h 40m
Southwest
Deal found 18/3C$ 694

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 21 March 2026.

Round-trip from

C$ 597

One-way from

C$ 252

Popular in

December

Cheapest in

November

Average price

C$ 910
United Airlines
  • United Airlines
  • 24/4-2/5
  • 4 total stops
  • 34h 40m total
  • Buffalo to San José
Search Deals
GOL
  • GOL
  • 28/7
  • 2 total stops
  • 18h 22m total
  • Buffalo to San José
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 21 March 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

Fri 24/4

7:45 p.m.-10:11 a.m.

2 stops16h 26m

San José Juan Santamaria Intl

Sat 2/5

1:25 p.m.-9:39 a.m.

2 stops18h 14m

C$ 597

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 2/5

5:55 p.m.-12:21 p.m.

2 stops20h 26m

San José Juan Santamaria Intl

Sat 9/5

1:00 p.m.-9:53 a.m.

2 stops18h 53m

C$ 624

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 24/4

7:45 p.m.-11:51 a.m.

1 stop18h 06m

San José Juan Santamaria Intl

Sun 3/5

7:55 a.m.-9:40 a.m.

2 stops23h 45m

C$ 668

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 8/6

5:52 p.m.-10:11 a.m.

2 stops18h 19m

San José Juan Santamaria Intl

Wed 17/6

12:30 a.m.-11:59 p.m.

2 stops21h 29m

C$ 668

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 24/8

7:31 p.m.-8:45 a.m.

2 stops15h 14m

San José Juan Santamaria Intl

Mon 7/9

5:05 a.m.-11:39 p.m.

2 stops16h 34m

C$ 675

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 24/8

5:40 a.m.-6:40 p.m.

2 stops15h 00m

San José Juan Santamaria Intl

Mon 7/9

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

1 stop11h 40m

C$ 786

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 29/4

10:41 a.m.-10:14 p.m.

1 stop13h 33m

San José Juan Santamaria Intl

Thu 30/4

12:40 p.m.-10:48 p.m.

1 stop8h 08m

C$ 848
Quickest round-trip

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 12/7

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

1 stop7h 25m

San José Juan Santamaria Intl

Thu 23/7

8:45 a.m.-10:35 p.m.

1 stop11h 50m

C$ 878

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Wed 29/4

6:00 a.m.-11:38 a.m.

1 stop7h 38m

San José Juan Santamaria Intl

Thu 30/4

1:25 p.m.-9:41 a.m.

2 stops18h 16m

C$ 878

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Thu 25/6

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

2 stops29h 11m

San José Juan Santamaria Intl

Sun 28/6

7:55 a.m.-4:46 p.m.

2 stops30h 51m

C$ 904

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 13 March 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, November is the cheapest month in which you can book a flight from Buffalo to San José (average of C$ 298). Flying from Buffalo to San José in May is currently the most expensive (average of C$ 506). 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 21 March 2026.
See what other customers who have flown with JetBlue and American 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.
JetBlue
7.2
Good
2,908 reviews
Check prices

Entertainment

7.2

Food

6.6

Comfort

7.5

Crew

8.0

Overall

7.2

Boarding

7.4

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
7.2
Good
2,908 reviews
JetBlue
7.2
Good
2,908 reviews
Check prices

Entertainment

7.2

Food

6.6

Comfort

7.5

Crew

8.0

Overall

7.2

Boarding

7.4

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.
American Airlines
7.1
Good
11,487 reviews
JetBlue
7.2
Good
2,908 reviews
Check prices

Entertainment

7.2

Food

6.6

Comfort

7.5

Crew

8.0

Overall

7.2

Boarding

7.4

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?

    United Airlines and JetBlue can get you from Buffalo to San José in just under 11h 49m. Your travel time can differ by up to 4h 37m. 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$ 316. Another airline that can offer you cheap pricing is JetBlue. American Airlines is priced at 57% 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$ 298). Flying from Buffalo to San José in May is currently the most expensive (average of C$ 506). 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

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 2 airlines flying from Buffalo to San José

Discover the top 2 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 21 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 316AverageC$ 527FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapestC$ 473AverageC$ 866FlexibilityNo 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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