BUF - SJO

C$ 368 Find Cheap Flights from Buffalo to San José – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 712
Typical prices: C$ 649-C$ 1,053
United Airlines
Thu 25/1Sat 27/1
BUF - SJO • 1 stop
Cheapest one-way flights
C$ 322
Typical prices: C$ 266-C$ 435
Delta
Mon 19/2
BUF - SJO • 2 stops
Direct flights
Not available
There are currently no direct flights between Buffalo and San José. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 21% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg C$ 418 (round-trip)
Fort Lauderdale (FLL)
Shortest trip • 7h 57m (one-way)
Insights
Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to San José!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Buffalo to San José (BUF-SJO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Buffalo to San José

Mon, 25 Jan - Wed, 27 Jan
United Airlines Logo
11:13 a.m. - 7:53 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
9h 40m1 stop Newark
United Airlines Logo
1:25 p.m. - 9:28 a.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
19h 03m1 stop Chicago O'Hare Intl
C$ 712United Airlines
16 hours ago
Mon, 25 Jan - Tue, 26 Jan
United Airlines Logo
6:30 a.m. - 7:53 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
14h 23m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
1:15 a.m. - 8:51 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
18h 36m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
C$ 717United Airlines
16 hours ago
Mon, 25 Jan - Wed, 27 Jan
United Airlines Logo
11:13 a.m. - 7:53 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
9h 40m1 stop Newark
United Airlines Logo
2:25 p.m. - 9:28 a.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
18h 03m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
C$ 717United Airlines
16 hours ago
Sat, 28 Nov - Wed, 9 Dec
United Airlines Logo
6:00 a.m. - 1:00 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
8h 00m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
1:55 p.m. - 11:34 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
8h 39m1 stop Newark
C$ 727United Airlines
22 hours ago
Sat, 28 Nov - Wed, 9 Dec
United Airlines Logo
6:00 a.m. - 1:00 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
8h 00m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:28 p.m. - 4:57 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
16h 29m2 stops Newark Chicago O'Hare Intl
C$ 733United Airlines
22 hours ago
Fri, 26 Feb - Sat, 6 Mar
American Airlines Logo
6:09 a.m. - 9:12 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
16h 03m2 stops New York LaGuardia Miami
American Airlines Logo
12:25 a.m. - 2:53 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
13h 28m2 stops Dallas/Fort Worth New York LaGuardia
C$ 780American Airlines
2 days ago
Sun, 28 Feb - Sat, 6 Mar
American Airlines Logo
7:06 p.m. - 11:28 a.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
17h 22m2 stops Philadelphia Miami
American Airlines Logo
12:25 a.m. - 2:53 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
13h 28m2 stops Dallas/Fort Worth New York LaGuardia
C$ 780American Airlines
2 days ago
Sun, 17 Jan - Thu, 21 Jan
United Airlines Logo
5:43 p.m. - 12:15 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
19h 32m1 stop Chicago O'Hare Intl
United Airlines Logo
1:25 p.m. - 9:28 a.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
19h 03m1 stop Chicago O'Hare Intl
C$ 790United Airlines
3+ days ago
Mon, 30 Nov - Wed, 9 Dec
JetBlue Logo
6:00 a.m. - 1:48 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
8h 48m1 stop New York John F Kennedy Intl
JetBlue Logo
12:50 p.m. - 11:57 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
10h 07m1 stop Fort Lauderdale
C$ 913JetBlue
22 hours ago
Sat, 12 Dec - Tue, 1 Jun
JetBlue Logo
6:03 a.m. - 12:18 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
7h 15m1 stop Baltimore/Washington
JetBlue Logo
9:03 a.m. - 10:38 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
11h 35m1 stop Orlando
C$ 1,022JetBlue
3+ days ago
Booking Insights

Price, demand, and travel trends for Buffalo to San José flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Buffalo to San José?

Round-trip flights from Buffalo to San José typically range from C$ 649 to C$ 1,053. The lowest price found in the past 5 days was C$ 712, on United Airlines.

What's the cheapest day of the week to fly from Buffalo to San José?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Buffalo to San José. It's 31% cheaper than the average day, while Sunday is the most expensive, with prices 17% higher.

What is the cheapest month to fly from Buffalo to San José?

•September is the cheapest month to fly from Buffalo to San José at C$ 680 round-trip.
•August (C$ 1,186) and December (C$ 1,088) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 74% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Buffalo to San José flights

Low season

June

Cheapest flight

C$ 322
Beat the crowds with an average 47% drop in traveller numbers.
The most popular month to fly with an average 77% increase in traveller numbers.
One-way flight from Buffalo to San José

When to book flights from Buffalo to San José

Are your dates flexible? Find out the best times to travel from Buffalo to San José based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Buffalo to San José flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Buffalo to San José?

    Only Economy Class is available on flights from Buffalo to San José.

  • How long does a flight from Buffalo to San José take?

    A direct flight from Buffalo to San José takes 00m, covering 5,953 km.

  • Do I need a passport to fly from Buffalo to San José?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Buffalo to San José flight?

    Round-trip flights from Buffalo to San José range from C$ 649 to C$ 1,053, with an average of C$ 860 over the past 12 months. Anything below C$ 649 counts as a good deal.

  • Have flight prices from Buffalo to San José changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 712 to C$ 5,413. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Buffalo to San José looking right now?

    One-way fares from Buffalo to San José are currently in line with typical prices for this route. Average one-way fares are about C$ 353.

  • What car rental options are available at San José Juan Santamaria Intl Airport (SJO)?

    San José Juan Santamaria Intl Airport (SJO) hosts 5 major car rental companies, with daily rates averaging C$ 42 for economy cars. Top options include:

    • Priceless
    • Avis
    • Budget
    • Routes Car & Truck Rentals
    • Payless

  • Which airports can I use when flying from Buffalo to San José?

    Flights from Buffalo to San José usually depart from Buffalo (BUF) and arrive at San José Juan Santamaria Intl (SJO).

  • Which airports do connecting flights from Buffalo to San José pass through?

    One-stop flights from Buffalo to San José most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) – 27% of one-stop connections
    • Charlotte Douglas (CLT) – 19% of one-stop connections
    • Orlando (MCO) – 17% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) – 9% of one-stop connections

  • Can I save money by using flexible dates for flights from Buffalo to San José?

    Yes. Flexible dates can save you up to 41% on flights from Buffalo to San José. Thursday is the cheapest departure day at C$ 596 round-trip on average, while Sunday is the most expensive at C$ 1,010, a difference of C$ 414.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport when travelling from Buffalo to San José?

    Flying via Fort Lauderdale (FLL) gives the shortest average 1-stop total travel time at 7h 57m, compared with 7h 59m via Washington, D.C. Dulles Intl (IAD) and 8h 11m via Newark (EWR).

  • What is the time difference between Buffalo and San José?

    San José is 2 hours behind Buffalo (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which popular places can I visit in San José?

    Some of the most popular sights in San José are Estadio Nacional de Costa Rica, Parque Nacional, and Parque Metropolitano La Sabana. These are among the most viewed places in San José on KAYAK.

Your guide to booking Buffalo to San José flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average C$ 596, about C$ 414 less than Sunday fares (41% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Buffalo to San José trip for September. Fares historically average C$ 680 round-trip in that month – typically C$ 506 less than the most expensive month, which is August (based on the last 12 months).

More options for your flight from Buffalo to San José

Complete your trip to San José with a hotel stay or car rental

Car rentals in San José
Hotels in San José
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