BUF - SJO

C$ 263 Find Cheap Flights from Buffalo to San José – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 543
Typical prices: C$ 596-C$ 1,035
American Airlines
Thu 15/11Tue 20/11
BUF - SJO • 2 stops
Cheapest one-way flights
C$ 263
Typical prices: C$ 247-C$ 420
American Airlines
Sun 28/10
BUF - SJO • 1 stop
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
November
Cheapest • 44% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg C$ 423 (round-trip)
Washington, D.C. Dulles Intl (IAD)
Shortest trip • 7h 59m (one-way)
Insights
Insights
Start a new search
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

Sun, 15 Nov - Fri, 20 Nov
American Airlines Logo
7:37 p.m. - 1:01 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
18h 24m2 stops Charlotte Douglas Miami
American Airlines Logo
12:37 a.m. - 6:04 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
16h 27m2 stops Dallas/Fort Worth Chicago O'Hare Intl
C$ 543American Airlines
Sun, 24 Jan - Thu, 4 Feb
Delta Logo
9:00 a.m. - 10:05 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
14h 05m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 11:55 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
15h 50m1 stop Atlanta Hartsfield-Jackson
C$ 558Delta
Sat, 23 Jan - Thu, 4 Feb
Delta Logo
7:00 a.m. - 10:05 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
16h 05m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 11:55 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
15h 50m1 stop Atlanta Hartsfield-Jackson
C$ 558Delta
Sat, 23 Jan - Thu, 4 Feb
Delta Logo
6:16 a.m. - 10:05 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
16h 49m2 stops New York LaGuardia Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 11:05 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
15h 00m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
C$ 558Delta
Sat, 23 Jan - Thu, 4 Feb
Delta Logo
6:00 a.m. - 2:20 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
9h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 11:55 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
15h 50m1 stop Atlanta Hartsfield-Jackson
C$ 558Delta
Sun, 24 Jan - Thu, 4 Feb
Delta Logo
10:15 a.m. - 10:05 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
12h 50m2 stops New York LaGuardia Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 8:29 a.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
24h 24m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
C$ 558Delta
Sat, 23 Jan - Wed, 3 Feb
Delta Logo
2:10 p.m. - 10:05 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
8h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:10 p.m. - 11:55 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
8h 45m1 stop Atlanta Hartsfield-Jackson
C$ 558Delta
Sun, 24 Jan - Thu, 4 Feb
Delta Logo
6:00 a.m. - 10:05 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
17h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 5:31 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
9h 26m1 stop Atlanta Hartsfield-Jackson
C$ 558Delta
Mon, 26 Oct - Wed, 28 Oct
JetBlue Logo
7:35 a.m. - 1:00 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
7h 25m1 stop Fort Lauderdale
JetBlue Logo
2:05 p.m. - 11:58 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
7h 53m1 stop Fort Lauderdale
C$ 911JetBlue
Thu, 29 Oct - Mon, 9 Nov
JetBlue Logo
7:35 a.m. - 1:00 p.m.BUF  Buffalo-SJO San José Juan Santamaria Intl
7h 25m1 stop Fort Lauderdale
JetBlue Logo
3:05 p.m. - 11:58 p.m.SJO  San José Juan Santamaria Intl-BUF Buffalo
7h 53m1 stop Fort Lauderdale
C$ 1,013JetBlue
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 from Buffalo to San José with more confidence.

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

Round-trip flights from Buffalo to San José start at C$ 543. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 596 to C$ 1,035. The lowest price found in the past 5 days was C$ 543 on American Airlines.

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

Thursday is the cheapest day of the week to fly from Buffalo to San José and is 31% cheaper than the average day. Monday is the most expensive day with flight prices 19% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • November is the cheapest month to fly from Buffalo to San José at C$ 472 round-trip.
  • August (C$ 1,088) and December (C$ 1,081) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 130% 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$ 263
Best time to beat the crowds (15% less expensive on average)
Most popular time to fly (4% more expensive on average)
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

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

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

  • 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) – 20% of one-stop connections
    • Orlando (MCO) – 15% of one-stop connections
    • Fort Lauderdale (FLL) – 10% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 43% on the Buffalo to San José route. Thursday is the cheapest departure day at C$ 583 round-trip on average, while Monday is the most expensive at C$ 1,011, a difference of C$ 428. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in San José?

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

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

    A direct flight from Buffalo to San José takes 0h 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.

  • 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$ 543 to C$ 3,506. That means the highest observed fare was about 6x 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$ 327.

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

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time at 7h 59m, compared with 8h 14m via Charlotte Douglas (CLT) and 8h 14m 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.

  • 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 starting from around C$ 1 for economy cars. Top options include:
    • Budget
    • Avis
    • Priceless
    • Routes Car & Truck Rentals
    • Payless

  • 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$ 596 to C$ 1,035, with an average of C$ 845 over the past 12 months. Anything below C$ 596 counts as a good deal.

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 instead of Monday. On this route, Thursday flights average C$ 583 – about C$ 428 less than Monday (42% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Buffalo to San José trip for November. Fares historically average C$ 472 round-trip in that month – typically C$ 615 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
Vacations in San José