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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Buffalo from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Buffalo departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
11:59 pm - 9:28 amSJU-BUF
10h 29m1 stop
JetBlue Logo
7:30 pm - 3:50 amBUF-SJU
7h 20m1 stop
$168JetBlue
Find Deal
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
3:55 am - 8:13 pmSJU-BUF
17h 18m1 stop
Frontier Logo
9:57 am - 2:50 amBUF-SJU
15h 53m1 stop
$181Frontier
Find Deal
Wed, Feb 25 - Mon, Mar 2
JetBlue Logo
11:59 pm - 9:28 amSJU-BUF
10h 29m1 stop
JetBlue Logo
3:05 pm - 11:49 pmBUF-SJU
7h 44m1 stop
$182JetBlue
Find Deal
Wed, Feb 25 - Sun, Mar 1
Southwest Logo
6:10 am - 5:05 pmSJU-BUF
11h 55m1 stop
Southwest Logo
3:45 pm - 11:10 pmBUF-SJU
6h 25m1 stop
$203Southwest
Find Deal
Fri, Jan 23 - Tue, Jan 27
JetBlue Logo
7:20 am - 2:25 pmSJU-BUF
7h 05m1 stop
JetBlue Logo
7:26 pm - 1:47 amBUF-SJU
6h 21m1 stop
$204JetBlue
Find Deal
Wed, Apr 1 - Sun, Apr 5
Delta Logo
7:00 am - 2:58 pmSJU-BUF
8h 58m1 stop
Delta Logo
3:43 pm - 11:57 pmBUF-SJU
7h 14m1 stop
$205Delta
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Fri, Jan 30 - Sat, Jan 31
JetBlue Logo
5:15 am - 1:34 pmSJU-BUF
8h 19m1 stop
JetBlue Logo
12:50 pm - 8:20 pmBUF-SJU
7h 30m1 stop
$210JetBlue
Find Deal
Thu, Apr 9 - Mon, Apr 13
JetBlue Logo
11:59 pm - 9:28 amSJU-BUF
10h 29m1 stop
JetBlue Logo
7:30 pm - 3:50 amBUF-SJU
7h 20m1 stop
$212JetBlue
Find Deal
Fri, Feb 27 - Mon, Mar 2
Frontier Logo
3:55 am - 8:13 pmSJU-BUF
17h 18m1 stop
Frontier Logo
9:57 am - 9:55 amBUF-SJU
22h 58m1 stop
$215Frontier
Find Deal
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
3:55 am - 8:13 pmSJU-BUF
17h 18m1 stop
Frontier Logo
9:57 am - 2:50 amBUF-SJU
15h 53m1 stop
$216Frontier
Find Deal
Thu, Feb 26 - Mon, Mar 2

JetBlue flights from San Juan Luis Munoz Marin Intl Airport to Buffalo

Our best JetBlue deals on San Juan Luis Munoz Marin Intl Airport to Buffalo flight tickets
JetBlue
Feb 26
SJU11:59 pmSan Juan Luis Munoz Marin Intl
10h 29m
1 stop
BUF9:28 amBuffalo
Mar 2
BUF7:30 pmBuffalo
7h 20m
1 stop
SJU3:50 amSan Juan Luis Munoz Marin Intl
$168
Find similar
JetBlue
Feb 25
SJU11:59 pmSan Juan Luis Munoz Marin Intl
10h 29m
1 stop
BUF9:28 amBuffalo
Mar 1
BUF3:05 pmBuffalo
7h 44m
1 stop
SJU11:49 pmSan Juan Luis Munoz Marin Intl
$182
Find similar
JetBlue
Apr 1
SJU7:20 amSan Juan Luis Munoz Marin Intl
7h 05m
1 stop
BUF2:25 pmBuffalo
Apr 5
BUF7:26 pmBuffalo
6h 21m
1 stop
SJU1:47 amSan Juan Luis Munoz Marin Intl
$204
Find similar

Frontier flights from San Juan Luis Munoz Marin Intl Airport to Buffalo

Our best Frontier deals on San Juan Luis Munoz Marin Intl Airport to Buffalo flight tickets
Frontier
Feb 25
SJU3:55 amSan Juan Luis Munoz Marin Intl
17h 18m
1 stop
BUF8:13 pmBuffalo
Mar 2
BUF9:57 amBuffalo
15h 53m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
$181
Find similar
Frontier
Feb 26
SJU3:55 amSan Juan Luis Munoz Marin Intl
17h 18m
1 stop
BUF8:13 pmBuffalo
Mar 2
BUF9:57 amBuffalo
22h 58m
1 stop
SJU9:55 amSan Juan Luis Munoz Marin Intl
$215
Find similar
Frontier
Feb 26
SJU3:55 amSan Juan Luis Munoz Marin Intl
17h 18m
1 stop
BUF8:13 pmBuffalo
Mar 2
BUF9:57 amBuffalo
15h 53m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
$216
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Juan Luis Munoz Marin Intl Airport to Buffalo 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, momondo users made 832,500 searches. Data last updated November 22, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Thu 2/26

11:59 pm-9:28 am

1 stop10h 29m

Buffalo

Mon 3/2

7:30 pm-3:50 am

1 stop7h 20m

$168

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/25

3:55 am-8:13 pm

1 stop17h 18m

Buffalo

Mon 3/2

9:57 am-2:50 am

1 stop15h 53m

$181

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/25

11:59 pm-9:28 am

1 stop10h 29m

Buffalo

Sun 3/1

3:05 pm-11:49 pm

1 stop7h 44m

$182

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Fri 1/23

6:10 am-5:05 pm

1 stop11h 55m

Buffalo

Tue 1/27

3:45 pm-11:10 pm

1 stop6h 25m

$203

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 4/1

7:20 am-2:25 pm

1 stop7h 05m

Buffalo

Sun 4/5

7:26 pm-1:47 am

1 stop6h 21m

$204

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Fri 1/30

7:00 am-2:58 pm

1 stop8h 58m

Buffalo

Sat 1/31

3:43 pm-11:57 pm

1 stop7h 14m

$205

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Thu 4/9

5:15 am-1:34 pm

1 stop8h 19m

Buffalo

Mon 4/13

12:50 pm-8:20 pm

1 stop7h 30m

$210

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Fri 2/27

11:59 pm-9:28 am

1 stop10h 29m

Buffalo

Mon 3/2

7:30 pm-3:50 am

1 stop7h 20m

$212

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Thu 2/26

3:55 am-8:13 pm

1 stop17h 18m

Buffalo

Mon 3/2

9:57 am-9:55 am

1 stop22h 58m

$215

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Thu 2/26

3:55 am-8:13 pm

1 stop17h 18m

Buffalo

Mon 3/2

9:57 am-2:50 am

1 stop15h 53m

$216

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buffalo from

How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to Buffalo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Juan Luis Munoz Marin Intl Airport and Buffalo?

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of September, then book flights to Buffalo from San Juan Luis Munoz Marin Intl Airport during October instead. Flights to Buffalo in October, while not as cheap as those in September, still average around $286.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Thursday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $317. Flights from San Juan Luis Munoz Marin Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $410. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

In the evening is the cheapest time of day to fly from San Juan Luis Munoz Marin Intl Airport to Buffalo when you can find flight prices for as low as $327. Flying to Buffalo in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $412 per ticket.

How far in advance should I book a flight to Buffalo?

You are more likely to see cheaper flights to Buffalo from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $351 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from San Juan Luis Munoz Marin Intl Airport for as low as $244 on momondo.

How have San Juan Luis Munoz Marin Intl Airport to Buffalo flight prices changed over time?

As of November 2025, prices for San Juan Luis Munoz Marin Intl Airport to Buffalo flights are approximately 49% more expensive when compared to flights at the same time last year.

When to book flights from San Juan Luis Munoz Marin Intl Airport to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from San Juan Luis Munoz Marin Intl Airport to Buffalo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Juan Luis Munoz Marin Intl Airport to Buffalo (SJU to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to Buffalo

Direct flights

None
There are no direct flights from San Juan Luis Munoz Marin Intl Airport to Buffalo. There are no popular flight routes from San Juan Luis Munoz Marin Intl Airport to Buffalo.
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  • How far is San Juan Luis Munoz Marin Intl to Buffalo by plane?

    The distance between San Juan Luis Munoz Marin Intl and Buffalo is about 1848.0 mi. Flights usually cover this in 6h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to Buffalo Airport?

    Prices for flights from San Juan Luis Munoz Marin Intl Airport to Buffalo Airport were last updated today.

  • How many operators does momondo search for flights from San Juan Luis Munoz Marin Intl Airport to Buffalo Airport?

  • How old do you have to be to fly from San Juan Luis Munoz Marin Intl Airport to Buffalo Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The travel and health documents you'll need for your trip to Buffalo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buffalo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Juan Luis Munoz Marin Intl Airport to Buffalo?

Best airlines flying from San Juan Luis Munoz Marin Intl Airport to Buffalo

Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $102Free CancellationRating
7.9
8,002 reviews
Search Delta flights
FrontierPriceFrom $129Free CancellationRating
5.8
3,101 reviews
Search Frontier flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $261Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
JetBluePriceFrom $264Free CancellationRating
7.2
2,902 reviews
Search JetBlue flights

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Tonawanda
Grand Island
Williamsville
Lockport
Orchard Park
West Seneca
East Aurora
Bowmansville
Eden
Angola

Why use momondo?

Why should I use momondo to find a flight deal from San Juan to Buffalo?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Juan to Buffalo. momondo saves you time and could save you money on your trip.

Can I find flights from San Juan to Buffalo with flexible booking policies on momondo?

Yes. All flights to Buffalo from San Juan on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Juan to Buffalo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buffalo from San Juan.

I’m not ready to book a flight from San Juan to Buffalo right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Juan to Buffalo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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