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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Buffalo from $89

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 1/31. 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.
Frontier Logo
3:55 am - 8:13 pmSJU-BUF
17h 18m1 stop
Frontier Logo
9:57 am - 8:32 pmBUF-SJU
9h 35m1 stop
$168Frontier
Find Deal
mié., feb. 25 - lun., mar. 2
United Airlines Logo
2:05 am - 1:24 pmSJU-BUF
12h 19m2 stops
United Airlines Logo
10:45 am - 10:22 pmBUF-SJU
10h 37m2 stops
$225United Airlines
Find Deal
lun., ene. 26 - mié., feb. 4
Frontier Logo
7:00 am - 4:00 pmSJU-BUF
10h 00m1 stop
Frontier Logo
9:57 am - 2:50 amBUF-SJU
15h 53m1 stop
$231Frontier
Find Deal
vie., feb. 27 - lun., mar. 2
American Airlines Logo
7:00 am - 3:34 pmSJU-BUF
9h 34m1 stop
American Airlines Logo
6:00 am - 11:56 pmBUF-SJU
16h 56m1 stop
$239American Airlines
Find Deal
mié., feb. 4 - dom., feb. 8
American Airlines Logo
7:00 am - 3:34 pmSJU-BUF
9h 34m1 stop
American Airlines Logo
7:00 am - 8:50 pmBUF-SJU
12h 50m1 stop
$240American Airlines
Find Deal
mié., feb. 4 - dom., feb. 8
Southwest Logo
6:30 am - 2:10 pmSJU-BUF
8h 40m1 stop
Southwest Logo
12:35 pm - 12:40 amBUF-SJU
11h 05m2 stops
$262Southwest
Find Deal
jue., feb. 26 - lun., mar. 2
JetBlue Logo
1:44 am - 10:51 amSJU-BUF
10h 07m1 stop
JetBlue Logo
4:44 pm - 1:57 amBUF-SJU
8h 13m1 stop
$263JetBlue
Find Deal
jue., nov. 20 - dom., nov. 23
JetBlue Logo
9:30 am - 3:39 pmSJU-BUF
7h 09m1 stop
JetBlue Logo
11:31 am - 1:57 amBUF-SJU
13h 26m1 stop
$280JetBlue
Find Deal
mié., nov. 19 - dom., nov. 23
Southwest Logo
6:10 am - 4:15 pmSJU-BUF
11h 05m2 stops
Southwest Logo
2:40 pm - 1:05 amBUF-SJU
9h 25m1 stop
$284Southwest
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mié., feb. 18 - dom., feb. 22
Delta Logo
7:15 am - 3:05 pmSJU-BUF
8h 50m1 stop
Delta Logo
7:00 am - 5:20 pmBUF-SJU
9h 20m1 stop
$299Delta
Find Deal
mié., nov. 19 - lun., nov. 24

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
9h 35m
1 stop
SJU8:32 pmSan Juan Luis Munoz Marin Intl
$168
Find similar
Frontier
Feb 27
SJU7:00 amSan Juan Luis Munoz Marin Intl
10h 00m
1 stop
BUF4:00 pmBuffalo
Mar 2
BUF9:57 amBuffalo
15h 53m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
$231
Find similar
Frontier
Jan 9
SJU9:37 pmSan Juan Luis Munoz Marin Intl
13h 32m
1 stop
BUF10:09 amBuffalo
Jan 11
BUF9:08 amBuffalo
16h 42m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
$251
Find similar

American Airlines flights from San Juan Luis Munoz Marin Intl Airport to Buffalo

Our best American Airlines deals on San Juan Luis Munoz Marin Intl Airport to Buffalo flight tickets
American Airlines
Feb 4
SJU7:00 amSan Juan Luis Munoz Marin Intl
9h 34m
1 stop
BUF3:34 pmBuffalo
Feb 8
BUF6:00 amBuffalo
16h 56m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
$239
Find similar
American Airlines
Feb 4
SJU7:00 amSan Juan Luis Munoz Marin Intl
9h 34m
1 stop
BUF3:34 pmBuffalo
Feb 8
BUF7:00 amBuffalo
12h 50m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
$240
Find similar
American Airlines
Feb 4
SJU7:00 amSan Juan Luis Munoz Marin Intl
9h 34m
1 stop
BUF3:34 pmBuffalo
Feb 8
BUF11:50 amBuffalo
11h 06m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
$241
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 noviembre 5, 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

mié. 2/25

3:55 am-8:13 pm

1 stop17h 18m

Buffalo

lun. 3/2

9:57 am-8:32 pm

1 stop9h 35m

$168

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

lun. 1/26

2:05 am-1:24 pm

2 stops12h 19m

Buffalo

mié. 2/4

10:45 am-10:22 pm

2 stops10h 37m

$225

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

vie. 2/27

7:00 am-4:00 pm

1 stop10h 00m

Buffalo

lun. 3/2

9:57 am-2:50 am

1 stop15h 53m

$231

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mié. 2/4

7:00 am-3:34 pm

1 stop9h 34m

Buffalo

dom. 2/8

6:00 am-11:56 pm

1 stop16h 56m

$239

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mié. 2/4

7:00 am-3:34 pm

1 stop9h 34m

Buffalo

dom. 2/8

7:00 am-8:50 pm

1 stop12h 50m

$240

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

jue. 2/26

6:30 am-2:10 pm

1 stop8h 40m

Buffalo

lun. 3/2

12:35 pm-12:40 am

2 stops11h 05m

$262

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

jue. 11/20

1:44 am-10:51 am

1 stop10h 07m

Buffalo

dom. 11/23

4:44 pm-1:57 am

1 stop8h 13m

$263

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mié. 11/19

9:30 am-3:39 pm

1 stop7h 09m

Buffalo

dom. 11/23

11:31 am-1:57 am

1 stop13h 26m

$280

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mié. 2/18

6:10 am-4:15 pm

2 stops11h 05m

Buffalo

dom. 2/22

2:40 pm-1:05 am

1 stop9h 25m

$284

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mié. 11/19

7:15 am-3:05 pm

1 stop8h 50m

Buffalo

lun. 11/24

7:00 am-5:20 pm

1 stop9h 20m

$299

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 $291.

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 $350 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 $276 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 27m, 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
8,004 reviews
Search Delta flights
FrontierPriceFrom $129Free CancellationRating
5.8
3,115 reviews
Search Frontier flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
SouthwestPriceFrom $261Free CancellationRating
8.0
4,239 reviews
Search Southwest flights
JetBluePriceFrom $264Free CancellationRating
7.2
2,908 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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