Find flights
When to book
Airlines
FAQs

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
13 Dec — 20 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 13 November 2025.

Thu 11/126:00 a.m.BUF - SJO
1 stop17h 20mDelta
Wed 24/127:00 a.m.SJO - BUF
1 stop15h 37mDelta
Deal found 13/11C$ 551
Thu 11/1210:30 a.m.BUF - SJO
2 stops27h 45mUnited Airlines
Sun 14/128:45 a.m.SJO - BUF
2 stops24h 03mUnited Airlines
Deal found 12/11C$ 665
Wed 10/125:40 p.m.BUF - SJO
2 stops27h 59mUnited Airlines
Sun 14/128:45 a.m.SJO - BUF
2 stops24h 03mUnited Airlines
Deal found 12/11C$ 689
Thu 11/127:00 a.m.BUF - SJO
2 stops14h 39mUnited Airlines
Wed 24/1212:35 p.m.SJO - BUF
2 stops20h 11mUnited Airlines
Deal found 13/11C$ 817
Fri 12/126:45 a.m.BUF - SJO
1 stop7h 11mJetBlue
Wed 24/1210:00 a.m.SJO - BUF
1 stop12h 43mJetBlue
Deal found 13/11C$ 822
Fri 12/125:40 p.m.BUF - SJO
2 stops20h 35mUnited Airlines
Wed 24/122:05 p.m.SJO - BUF
1 stop25h 40mUnited Airlines
Deal found 13/11C$ 827
Sun 7/121:50 p.m.BUF - SJO
2 stops31h 03mUnited Airlines
Sun 14/128:45 a.m.SJO - BUF
2 stops27h 27mUnited Airlines
Deal found 11/11C$ 1,967
Thu 11/1210:30 a.m.BUF - SJO
2 stops21h 40mCopa Airlines
Sat 13/124:08 a.m.SJO - BUF
2 stops16h 07mCopa Airlines
Deal found 12/11C$ 2,484
Wed 10/1210:10 a.m.BUF - SJO
2 stops22h 00mCopa Airlines
Sat 13/124:08 a.m.SJO - BUF
2 stops13h 56mCopa Airlines
Deal found 12/11C$ 2,611
Mon 15/1210:10 a.m.BUF - SJO
2 stops23h 09mCopa Airlines
Sun 4/14:09 a.m.SJO - BUF
2 stops15h 45mCopa Airlines
Deal found 11/11C$ 2,768
Thu 11/1210:10 a.m.BUF - SJO
2 stops14h 30mAvianca
Wed 24/125:00 a.m.SJO - BUF
3 stops37h 06mAvianca
Deal found 13/11C$ 4,476

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 13 November 2025.

Round-trip from

C$ 399

One-way from

C$ 252

Popular in

July

Cheapest in

September

Average price

C$ 618
JetBlue
  • JetBlue
  • 3/3-4/3
  • 2 total stops
  • 16h 49m total
  • Buffalo to San José
Search Deals
Delta
  • Delta
  • 2/12
  • 1 total stop
  • 11h 10m total
  • Buffalo to San José
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (C$ 442 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 88 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 13 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

Tue 3/3

7:00 a.m.-1:00 p.m.

1 stop7h 00m

San José Juan Santamaria Intl

Wed 4/3

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

1 stop9h 49m

C$ 399

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 30/1

11:22 a.m.-10:30 p.m.

1 stop12h 08m

San José Juan Santamaria Intl

Sat 7/2

7:09 a.m.-11:48 p.m.

1 stop15h 39m

C$ 465

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 17/1

1:59 p.m.-1:15 p.m.

2 stops24h 16m

San José Juan Santamaria Intl

Sat 31/1

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

2 stops12h 59m

C$ 483

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 30/1

10:33 a.m.-10:15 p.m.

2 stops12h 42m

San José Juan Santamaria Intl

Sat 7/2

7:00 a.m.-8:21 p.m.

2 stops12h 21m

C$ 488

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 9/3

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

1 stop8h 53m

San José Juan Santamaria Intl

Wed 18/3

9:00 a.m.-11:51 p.m.

1 stop12h 51m

C$ 497

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 10/3

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

1 stop8h 53m

San José Juan Santamaria Intl

Wed 18/3

9:00 a.m.-11:51 p.m.

1 stop12h 51m

C$ 497

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 10/3

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

1 stop8h 53m

San José Juan Santamaria Intl

Tue 17/3

9:00 a.m.-11:51 p.m.

1 stop12h 51m

C$ 497

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 31/1

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

2 stops37h 09m

San José Juan Santamaria Intl

Sat 7/2

8:45 a.m.-8:29 p.m.

2 stops34h 44m

C$ 531

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Thu 11/12

6:00 a.m.-10:20 p.m.

1 stop17h 20m

San José Juan Santamaria Intl

Wed 24/12

7:00 a.m.-11:37 p.m.

1 stop15h 37m

C$ 551

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 10/3

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

1 stop8h 53m

San José Juan Santamaria Intl

Fri 20/3

9:00 a.m.-11:51 p.m.

1 stop12h 51m

C$ 553

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/11

Showing 1-10 of 12 results
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 7 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$ 333). Flying from Buffalo to San José in July is currently the most expensive (average of C$ 649). 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 13 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.

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 13 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
4,242 reviews
Check prices

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews
Check prices

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

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
9,017 reviews
Southwest
8.0
Very good
4,242 reviews
Check prices

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

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
11,051 reviews
Southwest
8.0
Very good
4,242 reviews
Check prices

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

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
2,907 reviews
Southwest
8.0
Very good
4,242 reviews
Check prices

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

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, American Airlines, and United Airlines can get you from Buffalo to San José in just under 7h. Your travel time can differ by up to 17h 16m. 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$ 463. Other airlines that can offer you cheap pricing are Southwest, from C$ 524, and JetBlue, from C$ 571. American Airlines is priced at 46% 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$ 333). Flying from Buffalo to San José in July is currently the most expensive (average of C$ 649). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 463AverageC$ 538FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SouthwestCheapestC$ 524AverageC$ 967FlexibilityNo cancel feeOn-time63%
Search Southwest flights
JetBlueCheapestC$ 571AverageC$ 704FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapestC$ 633AverageC$ 1,024FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.