$110+ Cheap flights from Buffalo (BUF) to Luis Munoz Marin Intl (SJU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Oct 24 — Oct 311
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 October or March, 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 September 24, 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 September 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:44 pm -
1 stop26h 22m
Thu 10/293:59 pm -
1 stop21h 04m
Deal found 9/19![Frontier logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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.
Mon 12/72:39 pm -
1 stop10h 34m
Fri 12/115:01 am -
1 stop8h 19m
Deal found 9/23![Frontier logo]()
$210
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 11/182:00 pm -
1 stop9h 59m
Wed 12/25:01 am -
1 stop8h 18m
Deal found 9/23![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:48 pm -
1 stop10h 11m
Tue 11/33:59 pm -
1 stop22h 16m
Deal found 9/19![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:51 pm -
1 stop7h 02m
Thu 10/293:59 pm -
1 stop21h 04m
Deal found 9/19![Frontier logo]()
$230
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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.
Tue 10/136:51 pm -
1 stop7h 02m
Wed 10/216:42 pm -
1 stop23h 10m
Deal found 9/19![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:44 pm -
2 stops24h 52m
Thu 10/293:59 pm -
1 stop21h 04m
Deal found 9/22![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:00 pm -
1 stop9h 59m
Wed 11/187:15 am -
2 stops31h 34m
Deal found 9/23![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:00 pm -
2 stops11h 50m
Thu 11/53:59 pm -
1 stop22h 04m
Deal found 9/23![Frontier logo]()
$250
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 September 24, 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 September 24, 2026.
This JetBlue deal was found by Cheapflights users on 9/20. 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.
Tue 10/132:54 pm -
1 stop8h 55m
Wed 10/216:15 pm -
Nonstop4h 35m
Deal found 9/20![JetBlue logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Mon 10/196:00 am -
1 stop6h 34m
Mon 10/264:50 pm -
1 stop6h 56m
Deal found 9/21![United Airlines logo]()
$284
This Southwest deal was found by Cheapflights users on 9/20. 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.
Tue 10/205:10 pm -
1 stop6h 40m
Wed 10/285:05 am -
1 stop6h 45m
Deal found 9/20![Southwest logo]()
$284
This Delta deal was found by Cheapflights users on 9/18. 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.
Tue 10/206:00 am -
1 stop7h 49m
Wed 10/212:59 pm -
1 stop9h 00m
Deal found 9/18![Delta logo]()
$324
This JetBlue deal was found by Cheapflights users on 9/19. 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 11/28:15 am -
Nonstop4h 50m
Tue 11/311:20 am -
1 stop8h 42m
Deal found 9/19![JetBlue logo]()
$290
This JetBlue deal was found by Cheapflights users on 9/18. 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 10/196:00 am -
1 stop7h 58m
Mon 10/266:15 pm -
Nonstop4h 42m
Deal found 9/18![JetBlue logo]()
$301
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/2010:46 am -
2 stops13h 04m
Wed 10/211:25 pm -
1 stop9h 46m
Deal found 9/21![United Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 9/22. 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 2/411:25 am -
2 stops9h 35m
Tue 2/910:45 am -
1 stop7h 20m
Deal found 9/22![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 9/21. 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.
Tue 1/1911:25 am -
2 stops9h 35m
Fri 1/226:15 am -
1 stop9h 50m
Deal found 9/21![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Sat 2/65:45 pm -
2 stops11h 30m
Sat 2/132:05 am -
1 stop9h 21m
Deal found 9/19![United Airlines logo]()
$389
This JetBlue deal was found by Cheapflights users on 9/23. 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.
Wed 10/712:19 pm -
1 stop7h 14m
Mon 10/126:15 pm -
Nonstop4h 35m
Deal found 9/23![JetBlue logo]()
$376
This Southwest deal was found by Cheapflights users on 9/22. 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 10/162:50 pm -
2 stops9h 35m
Tue 10/2012:40 pm -
2 stops9h 45m
Deal found 9/22![Southwest logo]()
$394
Last-minute flights from Buffalo to Luis Munoz Marin IntlDiscover last-minute flight deals from Buffalo to Luis Munoz Marin Intl. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Luis Munoz Marin Intl. Data last updated September 24, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 9/18. 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 10/66:51 pm -
1 stop7h 01m
Tue 10/2010:39 am -
1 stop7h 17m
Deal found 9/18![Frontier logo]()
$255
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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.
Tue 10/136:51 pm -
1 stop7h 02m
Wed 10/216:42 pm -
1 stop23h 10m
Deal found 9/19![Frontier logo]()
$232
This Priceline deal was found by Cheapflights users on 9/21. 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.
Tue 10/136:51 pm -
1 stop7h 02m
Wed 10/216:15 pm -
Nonstop4h 35m
Deal found 9/21![Multiple Airlines logo]()
$265
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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.
Thu 10/1512:53 pm -
1 stop10h 12m
Tue 10/207:20 am -
1 stop10h 36m
Deal found 9/21![Frontier logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:51 pm -
1 stop7h 02m
Thu 10/293:59 pm -
1 stop21h 04m
Deal found 9/19![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:44 pm -
2 stops24h 52m
Thu 10/293:59 pm -
1 stop21h 04m
Deal found 9/22![Frontier logo]()
$234
This CheapOair deal was found by Cheapflights users on 9/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:15 am -
Nonstop4h 39m
Thu 10/2910:20 am -
1 stop7h 32m
Deal found 9/22![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:44 pm -
1 stop26h 22m
Thu 10/293:59 pm -
1 stop21h 04m
Deal found 9/19![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:00 pm -
1 stop10h 59m
Mon 11/22:51 pm -
2 stops47h 24m
Deal found 9/22![Frontier logo]()
$263
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 September 24, 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 September 24, 2026.
This JetBlue deal was found by Cheapflights users on 9/19. 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.
Sat 11/1412:08 pm -
1 stop7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![JetBlue logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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.
Mon 12/72:39 pm -
1 stop10h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 9/19. 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.
Fri 11/131:48 pm -
1 stop10h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 9/19. 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.
Tue 10/206:51 pm -
1 stop7h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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.
Sun 11/229:20 pm -
1 stop28h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:48 pm -
2 stops25h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:44 pm -
1 stop26h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$128
This FlightHub deal was found by Cheapflights users on 9/19. 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.
Fri 11/209:20 pm -
1 stop28h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 9/19. 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 10/66:51 pm -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:44 pm -
2 stops12h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$141
This Southwest deal was found by Cheapflights users on 9/23. 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 10/195:45 pm -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Southwest logo]()
$142
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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $204 (Kiwi.com) |
One-way from | $110 (JetBlue) |
Popular in | December |
Cheapest in | October |
Average price | $373 |
Good round-trip deal | $303 or less |
Good one-way deal | $194 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 7,457,451 searches. Data last updated September 24, 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
Sat 11/14
12:08 pm-8:48 pm
1 stop7h 40m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$110
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Tue 10/6
10:46 am-11:50 pm
2 stops13h 04m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$142
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Mon 10/19
5:45 pm-12:10 am
1 stop6h 25m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$142
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Mon 10/19
6:00 am-12:34 pm
1 stop6h 34m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$142
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Sat 10/17
2:54 pm-11:49 pm
1 stop8h 55m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$142
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Mon 10/26
6:00 am-1:46 pm
1 stop7h 46m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$143
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Tue 12/8
6:00 am-2:40 pm
1 stop7h 40m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$146
Quickest round-trip
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Sat 10/24
8:15 am-12:54 pm
Nonstop4h 39m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$148
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Fri 10/23
8:15 am-12:54 pm
Nonstop4h 39m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$148
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Sat 10/24
6:15 am-1:00 pm
1 stop6h 45m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$152
Showing 1-10 of 23 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 September.
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | 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.
Cheapflights Insights
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, October is the cheapest month in which you can book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport (average of $332). Flying from Buffalo to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $577). 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 September 24, 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 71% 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 50m.
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 September 24, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andJetBlue 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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
Rio Grande
Dorado
Humacao
Bayamón
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Other flights to Luis Munoz Marin Intl
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Buffalo and Luis Munoz Marin Intl flights
Browse other Buffalo and Luis Munoz Marin Intl flight options. Last updated on September 24, 2026.
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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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$311 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$373 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$400 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$231 | Average$464 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$250 | Average$437 | FlexibilityNo cancel fee | On-time63% |