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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Buffalo from $113

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 11/5. 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

Delta Logo
7:15 am - 6:25 pmSJU-BUF
11h 10m1 stop
Delta Logo
3:57 pm - 11:56 pmBUF-SJU
7h 59m1 stop
$225Delta
Find Deal
jue., oct. 23 - lun., oct. 27
American Airlines Logo
5:30 am - 8:47 pmSJU-BUF
15h 17m1 stop
American Airlines Logo
8:00 am - 11:59 pmBUF-SJU
15h 59m1 stop
$235American Airlines
Find Deal
vie., oct. 24 - dom., oct. 26
American Airlines Logo
8:00 am - 12:08 amSJU-BUF
17h 08m1 stop
American Airlines Logo
5:20 am - 5:05 pmBUF-SJU
10h 45m2 stops
$239American Airlines
Find Deal
jue., nov. 13 - mar., nov. 18
Frontier Logo
9:06 pm - 4:29 pmSJU-BUF
19h 23m2 stops
Frontier Logo
9:13 pm - 5:54 pmBUF-SJU
20h 41m2 stops
$248Frontier
Find Deal
jue., oct. 23 - lun., oct. 27
Southwest Logo
5:30 pm - 11:50 pmSJU-BUF
6h 20m1 stop
Southwest Logo
3:50 pm - 11:45 pmBUF-SJU
7h 55m1 stop
$261Southwest
Find Deal
vie., oct. 24 - sáb., nov. 1
Frontier Logo
1:59 am - 6:19 pmSJU-BUF
16h 20m2 stops
Frontier Logo
9:13 pm - 5:54 pmBUF-SJU
20h 41m2 stops
$266Frontier
Find Deal
mié., oct. 22 - lun., oct. 27
Southwest Logo
6:10 am - 12:30 pmSJU-BUF
6h 20m1 stop
Southwest Logo
4:15 pm - 10:45 pmBUF-SJU
6h 30m1 stop
$276Southwest
Find Deal
mar., oct. 28 - mar., oct. 28
JetBlue Logo
1:59 am - 8:29 amSJU-BUF
7h 30m1 stop
JetBlue Logo
12:45 pm - 9:35 pmBUF-SJU
7h 50m1 stop
$282JetBlue
Find Deal
jue., feb. 26 - lun., mar. 2
JetBlue Logo
3:03 am - 7:04 pmSJU-BUF
16h 01m1 stop
JetBlue Logo
6:00 am - 2:54 pmBUF-SJU
8h 54m1 stop
$284JetBlue
Find Deal
lun., oct. 6 - mar., oct. 14
United Airlines Logo
1:05 am - 9:43 amSJU-BUF
8h 38m2 stops
United Airlines Logo
6:00 am - 1:40 pmBUF-SJU
7h 40m1 stop
$370United Airlines
Find Deal
jue., oct. 23 - dom., oct. 26

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

Our best Delta deals on San Juan Luis Munoz Marin Intl Airport to Buffalo flight tickets
Delta
Oct 23
SJU7:15 amSan Juan Luis Munoz Marin Intl
11h 10m
1 stop
BUF6:25 pmBuffalo
Oct 27
BUF3:57 pmBuffalo
7h 59m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
$225
Find similar
Delta
Nov 13
SJU3:20 pmSan Juan Luis Munoz Marin Intl
8h 37m
1 stop
BUF10:57 pmBuffalo
Nov 18
BUF7:00 amBuffalo
9h 20m
1 stop
SJU5:20 pmSan Juan Luis Munoz Marin Intl
$240
Find similar
Delta
Sep 19
SJU7:00 amSan Juan Luis Munoz Marin Intl
8h 08m
1 stop
BUF3:08 pmBuffalo
Sep 22
BUF6:00 amBuffalo
10h 31m
1 stop
SJU4:31 pmSan Juan Luis Munoz Marin Intl
$322
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
Oct 23
SJU9:06 pmSan Juan Luis Munoz Marin Intl
19h 23m
2 stops
BUF4:29 pmBuffalo
Oct 27
BUF9:13 pmBuffalo
20h 41m
2 stops
SJU5:54 pmSan Juan Luis Munoz Marin Intl
$248
Find similar
Frontier
Sep 25
SJU9:07 amSan Juan Luis Munoz Marin Intl
8h 20m
1 stop
BUF5:27 pmBuffalo
Sep 29
BUF6:59 pmBuffalo
25h 32m
1 stop
SJU8:31 pmSan Juan Luis Munoz Marin Intl
$264
Find similar
Frontier
Oct 22
SJU1:59 amSan Juan Luis Munoz Marin Intl
16h 20m
2 stops
BUF6:19 pmBuffalo
Oct 27
BUF9:13 pmBuffalo
20h 41m
2 stops
SJU5:54 pmSan Juan Luis Munoz Marin Intl
$266
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 septiembre 17, 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

jue. 10/23

7:15 am-6:25 pm

1 stop11h 10m

Buffalo

lun. 10/27

3:57 pm-11:56 pm

1 stop7h 59m

$225

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

vie. 10/24

5:30 am-8:47 pm

1 stop15h 17m

Buffalo

dom. 10/26

8:00 am-11:59 pm

1 stop15h 59m

$235

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

jue. 11/13

8:00 am-12:08 am

1 stop17h 08m

Buffalo

mar. 11/18

5:20 am-5:05 pm

2 stops10h 45m

$239

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

jue. 10/23

9:06 pm-4:29 pm

2 stops19h 23m

Buffalo

lun. 10/27

9:13 pm-5:54 pm

2 stops20h 41m

$248

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

vie. 10/24

5:30 pm-11:50 pm

1 stop6h 20m

Buffalo

sáb. 11/1

3:50 pm-11:45 pm

1 stop7h 55m

$261

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mié. 10/22

1:59 am-6:19 pm

2 stops16h 20m

Buffalo

lun. 10/27

9:13 pm-5:54 pm

2 stops20h 41m

$266

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mar. 10/28

6:10 am-12:30 pm

1 stop6h 20m

Buffalo

mar. 10/28

4:15 pm-10:45 pm

1 stop6h 30m

$276

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

jue. 2/26

1:59 am-8:29 am

1 stop7h 30m

Buffalo

lun. 3/2

12:45 pm-9:35 pm

1 stop7h 50m

$282

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

lun. 10/6

3:03 am-7:04 pm

1 stop16h 01m

Buffalo

mar. 10/14

6:00 am-2:54 pm

1 stop8h 54m

$284

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

jue. 10/23

1:05 am-9:43 am

2 stops8h 38m

Buffalo

dom. 10/26

6:00 am-1:40 pm

1 stop7h 40m

$370

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 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 February instead. Flights to Buffalo in February, while not as cheap as those in September, still average around $308.

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 $357 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 $288 on momondo.

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

As of September 2025, prices for San Juan Luis Munoz Marin Intl Airport to Buffalo flights are approximately 34% 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 20m, 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
7,961 reviews
Search Delta flights
FrontierPriceFrom $129Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $261Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
JetBluePriceFrom $264Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
United AirlinesPriceFrom $370Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Tonawanda
Amherst
Williamsville
Grand Island
Orchard Park
Lockport
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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