$93+ Cheap flights from Buffalo (BUF) to Luis Munoz Marin Intl (SJU)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Luis Munoz Marin Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Buffalo to San Juan Luis Munoz Marin Intl are usually found in March or April, booked 88 days in advance, depart on a Thursday or Tuesday and return on a Tuesday
Cheap flight deals from Buffalo to Luis Munoz Marin Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to Luis Munoz Marin IntlExplore the most affordable flight options available from Buffalo to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from Buffalo to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:49 pm -
1 stop10h 24m
Tue 9/1510:42 am -
1 stop7h 07m
Deal found 8/12![Frontier logo]()
$186
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:29 pm -
1 stop28h 23m
Tue 9/1510:42 am -
1 stop7h 07m
Deal found 8/12![Frontier logo]()
$196
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:57 pm -
2 stops15h 49m
Wed 10/216:20 am -
2 stops10h 50m
Deal found 8/11![American Airlines logo]()
$210
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:44 pm -
2 stops17h 16m
Tue 9/296:00 am -
2 stops11h 14m
Deal found 8/11![American Airlines logo]()
$211
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:30 am -
2 stops15h 17m
Mon 9/2810:16 am -
2 stops10h 40m
Deal found 8/11![American Airlines logo]()
$215
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:30 pm -
1 stop6h 30m
Sat 9/126:25 am -
1 stop10h 20m
Deal found 8/11![Southwest logo]()
$225
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:49 pm -
1 stop13h 03m
Thu 9/1710:42 am -
1 stop7h 03m
Deal found 8/12![Frontier logo]()
$239
This Priceline deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:05 am -
Nonstop4h 41m
Tue 9/2210:42 am -
1 stop7h 07m
Deal found 8/12![Multiple Airlines logo]()
$241
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:29 am -
2 stops9h 21m
Sun 9/1311:51 am -
2 stops11h 49m
Deal found 8/10![American Airlines logo]()
$246
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:45 pm -
1 stop6h 20m
Thu 10/85:35 pm -
1 stop6h 05m
Deal found 8/12![Southwest logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am -
Nonstop4h 38m
Sat 9/56:20 pm -
Nonstop4h 38m
Deal found 8/12![JetBlue logo]()
$253
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:34 pm -
2 stops13h 50m
Fri 10/912:41 pm -
1 stop10h 09m
Deal found 8/12![American Airlines logo]()
$255
Best flights from Buffalo to Luis Munoz Marin IntlDiscover carefully curated flight deals from Buffalo to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Buffalo to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:53 pm -
1 stop7h 59m
Wed 9/92:59 pm -
1 stop8h 53m
Deal found 8/11![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:05 am -
1 stop13h 15m
Sat 10/245:40 am -
1 stop8h 55m
Deal found 8/8![Southwest logo]()
$315
This JetBlue deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am -
Nonstop4h 38m
Fri 8/286:29 pm -
Nonstop4h 38m
Deal found 8/9![JetBlue logo]()
$325
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:53 pm -
1 stop7h 59m
Wed 9/22:59 pm -
1 stop9h 00m
Deal found 8/12![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:30 pm -
1 stop6h 35m
Wed 11/182:25 pm -
1 stop8h 30m
Deal found 8/10![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:05 am -
1 stop7h 37m
Sat 9/127:00 am -
1 stop9h 03m
Deal found 8/10![Delta logo]()
$326
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:35 pm -
1 stop7h 25m
Sat 9/2610:25 am -
2 stops10h 45m
Deal found 8/9![Southwest logo]()
$356
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:53 pm -
1 stop7h 51m
Mon 10/127:15 am -
1 stop7h 43m
Deal found 8/8![Delta logo]()
$362
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:40 am -
2 stops10h 25m
Tue 9/15:15 am -
2 stops10h 00m
Deal found 8/12![Southwest logo]()
$364
Last-minute flights from Buffalo to Luis Munoz Marin IntlDiscover last-minute flight deals from Buffalo to Luis Munoz Marin Intl. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Luis Munoz Marin Intl. Data last updated August 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:26 am -
2 stops11h 58m
Wed 9/97:00 am -
2 stops13h 56m
Deal found 8/10![American Airlines logo]()
$210
This Cheapflightsfares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am -
Nonstop4h 38m
Sat 9/56:20 pm -
Nonstop4h 38m
Deal found 8/12![JetBlue logo]()
$253
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:30 pm -
1 stop6h 30m
Sat 9/126:25 am -
1 stop10h 20m
Deal found 8/11![Southwest logo]()
$225
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:29 pm -
1 stop28h 23m
Tue 9/1510:42 am -
1 stop7h 07m
Deal found 8/12![Frontier logo]()
$196
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:29 pm -
1 stop28h 23m
Wed 9/162:57 am -
1 stop14h 48m
Deal found 8/12![Frontier logo]()
$259
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:29 am -
2 stops9h 21m
Sun 9/1311:51 am -
2 stops11h 49m
Deal found 8/10![American Airlines logo]()
$246
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:49 pm -
1 stop10h 24m
Tue 9/1510:42 am -
1 stop7h 07m
Deal found 8/12![Frontier logo]()
$186
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:49 pm -
1 stop13h 03m
Thu 9/1710:42 am -
1 stop7h 03m
Deal found 8/12![Frontier logo]()
$239
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:30 pm -
1 stop6h 30m
Tue 9/225:15 am -
1 stop6h 25m
Deal found 8/10![Southwest logo]()
$247
This Priceline deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:05 am -
Nonstop4h 41m
Tue 9/2210:42 am -
1 stop7h 07m
Deal found 8/12![Multiple Airlines logo]()
$241
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:44 pm -
2 stops17h 16m
Tue 9/296:00 am -
2 stops11h 14m
Deal found 8/11![American Airlines logo]()
$211
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:30 am -
2 stops15h 17m
Mon 9/2810:16 am -
2 stops10h 40m
Deal found 8/11![American Airlines logo]()
$215
One-way flights from Buffalo to Luis Munoz Marin IntlSearch for one-way flight options from Buffalo to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Buffalo to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Priceline deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:54 pm -
1 stop13h 17m
Deal found 8/12![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:57 am -
1 stop6h 33m
Deal found 8/11![JetBlue logo]()
$103
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:30 am -
1 stop8h 20m
Deal found 8/11![American Airlines logo]()
$105
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:30 am -
2 stops9h 20m
Deal found 8/10![American Airlines logo]()
$107
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:49 pm -
1 stop20h 46m
Deal found 8/12![Frontier logo]()
$108
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am -
2 stops10h 11m
Deal found 8/11![American Airlines logo]()
$110
This Expedia deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:54 pm -
1 stop7h 21m
Deal found 8/12![Frontier logo]()
$118
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:10 am -
1 stop8h 40m
Deal found 8/10![American Airlines logo]()
$123
This American Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am -
2 stops14h 47m
Deal found 8/9![American Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am -
1 stop7h 45m
Deal found 8/10![United Airlines logo]()
$125
This Faresmojo deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am -
Nonstop4h 32m
Deal found 8/11![JetBlue logo]()
$128
Find flight deals from Buffalo to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $186 (Frontier) |
One-way from | $93 (Priceline) |
Popular in | December |
Cheapest in | March |
Average price | $360 |
Good round-trip deal | $417 or less |
Good one-way deal | $200 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Luis Munoz Marin Intl 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, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Buffalo to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Thu 8/27
3:53 pm-11:52 pm
1 stop7h 59m
San Juan Luis Munoz Marin Intl
Wed 9/9
2:59 pm-11:52 pm
1 stop8h 53m
$309
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Sat 8/29
3:53 pm-11:52 pm
1 stop7h 59m
San Juan Luis Munoz Marin Intl
Wed 9/2
2:59 pm-11:59 pm
1 stop9h 00m
$309
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Mon 10/19
11:05 am-12:20 am
1 stop13h 15m
San Juan Luis Munoz Marin Intl
Sat 10/24
5:40 am-2:35 pm
1 stop8h 55m
$315
Quickest round-trip
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Mon 8/24
6:00 am-10:38 am
Nonstop4h 38m
San Juan Luis Munoz Marin Intl
Fri 8/28
6:29 pm-11:07 pm
Nonstop4h 38m
$325
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Sat 9/5
6:05 am-1:42 pm
1 stop7h 37m
San Juan Luis Munoz Marin Intl
Sat 9/12
7:00 am-4:03 pm
1 stop9h 03m
$326
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Fri 11/6
5:30 pm-1:05 am
1 stop6h 35m
San Juan Luis Munoz Marin Intl
Wed 11/18
2:25 pm-9:55 pm
1 stop8h 30m
$347
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Wed 8/26
2:35 pm-10:00 pm
1 stop7h 25m
San Juan Luis Munoz Marin Intl
Sat 9/26
10:25 am-9:10 pm
2 stops10h 45m
$356
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Wed 10/7
3:53 pm-11:44 pm
1 stop7h 51m
San Juan Luis Munoz Marin Intl
Mon 10/12
7:15 am-2:58 pm
1 stop7h 43m
$362
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Thu 8/27
9:40 am-8:05 pm
2 stops10h 25m
San Juan Luis Munoz Marin Intl
Tue 9/1
5:15 am-3:15 pm
2 stops10h 00m
$364
Cheapest one-way
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Fri 9/11
6:55 am-8:38 pm
2 stops13h 43m
$135
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Buffalo to Luis Munoz Marin Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Luis Munoz Marin Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Buffalo to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Buffalo with our price prediction graph.
BUF-SJU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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Everything you need to know about your flight from Buffalo to San Juan Luis Munoz Marin Intl Airport
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How far ahead should I book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport?
The best time to book flights from Buffalo to San Juan Luis Munoz Marin Intl Airport is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport?
Currently, March is the cheapest month in which you can book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport (average of $339). Flying from Buffalo to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $590). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BUF to SJU?
Find hourly flight availability from Buffalo to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to San Juan Luis Munoz Marin Intl Airport as you normally would.
What’s the top layover airport for flights from Buffalo to San Juan Luis Munoz Marin Intl Airport?
Share of 1-stop round-trip flights from Buffalo to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Orlando (MCO) – chosen by Cheapflights users on 63% of 1-stop itineraries from Buffalo to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Buffalo to San Juan Luis Munoz Marin Intl Airport?
Average round-trip fare for 1-stop flights from Buffalo to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
New York (JFK) is the most affordable 1-stop option, with an average round-trip price of $344.
What’s the fastest layover option from Buffalo to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for 1-stop one-way flights from Buffalo to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via New York (JFK) have the shortest average one-way travel time for 1-stop routes: 6h 19m.
Which airport typically offers the quickest layover for flights from Buffalo to San Juan Luis Munoz Marin Intl Airport?
Average layover duration for 1-stop one-way flights from Buffalo to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Baltimore (BWI) offer the fastest connection on this route, with an average layover time of 0h 48m.
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated August 13, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from Buffalo to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsFajardo
Luquillo
Dorado
Rio Grande
Humacao
Bayamón
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Other flights to Luis Munoz Marin Intl
Explore flights to Luis Munoz Marin Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 13, 2026.
Buffalo and Luis Munoz Marin Intl flights
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Top 6 airlines flying from Buffalo to Luis Munoz Marin Intl
Discover the top 6 airlines that operate flights from Buffalo to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$302 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$125 | Average$303 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$372 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$417 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$231 | Average$464 | FlexibilityNo cancel fee | On-time71% |