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Cheap flights from Buffalo to San José from C$ 224

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
15 Apr — 22 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 16 March 2026.

Fri 24/46:00 a.m.
BUF
-
SJO
1 stop7h 38m
United Airlines
Sat 2/51:00 p.m.
SJO
-
BUF
1 stop18h 41m
United Airlines
Deal found 12/3C$ 491
Fri 28/87:25 p.m.
BUF
-
SJO
2 stops18h 31m
Delta
Thu 17/91:25 p.m.
SJO
-
BUF
2 stops16h 58m
Delta
Deal found 14/3C$ 512
Fri 17/47:28 p.m.
BUF
-
SJO
2 stops17h 39m
American Airlines
Fri 24/411:35 p.m.
SJO
-
BUF
2 stops12h 46m
American Airlines
Deal found 15/3C$ 524
Fri 24/46:00 a.m.
BUF
-
SJO
1 stop7h 38m
United Airlines
Mon 4/51:25 p.m.
SJO
-
BUF
2 stops18h 16m
United Airlines
Deal found 12/3C$ 530
Mon 16/36:00 a.m.
BUF
-
SJO
1 stop17h 15m
Delta
Wed 18/37:00 a.m.
SJO
-
BUF
2 stops15h 14m
Delta
Deal found 11/3C$ 554
Fri 28/86:00 a.m.
BUF
-
SJO
1 stop7h 56m
Delta
Mon 21/91:25 p.m.
SJO
-
BUF
1 stop8h 33m
Delta
Deal found 14/3C$ 571
Sun 3/56:00 a.m.
BUF
-
SJO
1 stop7h 24m
JetBlue
Tue 12/511:59 p.m.
SJO
-
BUF
1 stop13h 00m
JetBlue
Deal found 11/3C$ 575
Fri 28/86:00 a.m.
BUF
-
SJO
1 stop7h 56m
Delta
Fri 18/91:25 p.m.
SJO
-
BUF
2 stops18h 19m
Delta
Deal found 14/3C$ 578
Fri 24/46:00 a.m.
BUF
-
SJO
1 stop7h 38m
United Airlines
Sun 3/51:25 p.m.
SJO
-
BUF
2 stops18h 15m
United Airlines
Deal found 12/3C$ 584
Thu 3/97:25 p.m.
BUF
-
SJO
2 stops18h 31m
Delta
Thu 17/91:25 p.m.
SJO
-
BUF
2 stops16h 58m
Delta
Deal found 14/3C$ 605

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 16 March 2026.

Round-trip from

C$ 491

One-way from

C$ 191

Popular in

December

Cheapest in

November

Average price

C$ 910
United Airlines
  • United Airlines
  • 24/4-2/5
  • 2 total stops
  • 26h 19m total
  • Buffalo to San José
Search Deals
United Airlines
  • United Airlines
  • 25/4
  • 2 total stops
  • 10h 47m 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 16 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 17/4

7:28 p.m.-11:07 a.m.

2 stops17h 39m

San José Juan Santamaria Intl

Fri 24/4

11:35 p.m.-2:21 p.m.

2 stops12h 46m

C$ 524

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 24/4

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

1 stop7h 38m

San José Juan Santamaria Intl

Mon 4/5

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

2 stops18h 16m

C$ 530

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 24/4

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

1 stop7h 38m

San José Juan Santamaria Intl

Sat 2/5

1:00 p.m.-9:41 a.m.

1 stop18h 41m

C$ 561

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 3/5

6:00 a.m.-11:24 a.m.

1 stop7h 24m

San José Juan Santamaria Intl

Tue 12/5

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

1 stop13h 00m

C$ 575

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$ 616

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 30/5

6:00 a.m.-10:39 p.m.

2 stops18h 39m

San José Juan Santamaria Intl

Thu 2/7

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

2 stops45h 29m

C$ 619
Quickest round-trip

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 29/8

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

1 stop7h 56m

San José Juan Santamaria Intl

Thu 17/9

1:25 p.m.-11:58 p.m.

1 stop8h 33m

C$ 637

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$ 643

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$ 741
Cheapest one-way

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 27/4

7:36 p.m.-11:56 a.m.

2 stops18h 20m

C$ 224

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/3

Showing 1-10 of 18 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.

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 16 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
2,906 reviews
Check prices

Food

6.6

Comfort

7.5

Overall

7.2

Boarding

7.4

Crew

8.0

Entertainment

7.2

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
2,906 reviews
JetBlue
7.2
Good
2,906 reviews
Check prices

Food

6.6

Comfort

7.5

Overall

7.2

Boarding

7.4

Crew

8.0

Entertainment

7.2

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
11,466 reviews
JetBlue
7.2
Good
2,906 reviews
Check prices

Food

6.6

Comfort

7.5

Overall

7.2

Boarding

7.4

Crew

8.0

Entertainment

7.2

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?

    American Airlines, United Airlines, and JetBlue can get you from Buffalo to San José in just under 7h 24m. Your travel time can differ by up to 10h 15m. 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 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 316AverageC$ 527FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapestC$ 472AverageC$ 865FlexibilityNo 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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