$201+ Cheap flights from Allentown (ABE) to San Juan
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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SJU
Jul 20 — Jul 271
Round-trip
1 adult, Economy
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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
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Cheapest flights from Allentown to San JuanExplore the most affordable flight options available from Allentown to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
Explore the most affordable flight options available from Allentown to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
This American Airlines deal was found by Cheapflights users on 6/17. 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 8/264:57 pm
ABE
- SJU
1 stop7h 02m
American Airlines
Thu 8/277:30 am
SJU
- ABE
1 stop15h 55m
American Airlines
Deal found 6/17![American Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 10/194:32 pm
ABE
- SJU
1 stop20h 44m
Multiple Airlines
Sat 10/245:12 pm
SJU
- ABE
1 stop21h 04m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/2611:00 am
ABE
- SJU
2 stops19h 44m
Multiple Airlines
Thu 8/278:57 pm
SJU
- ABE
1 stop12h 02m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 8/64:57 pm
ABE
- SJU
1 stop7h 02m
American Airlines
Thu 8/133:47 pm
SJU
- ABE
1 stop7h 38m
American Airlines
Deal found 6/16![American Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:38 pm
ABE
- SJU
2 stops21h 38m
Multiple Airlines
Fri 7/176:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:18 am
ABE
- SJU
1 stop24h 58m
Multiple Airlines
Sat 8/89:02 am
SJU
- ABE
1 stop26h 37m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$470
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:00 pm
ABE
- SJU
1 stop6h 32m
American Airlines
Tue 11/178:00 am
SJU
- ABE
1 stop9h 37m
American Airlines
Deal found 6/19![American Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/710:00 am
ABE
- SJU
2 stops14h 07m
Multiple Airlines
Mon 7/136:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/1712:36 pm
ABE
- SJU
2 stops36h 05m
Multiple Airlines
Fri 7/246:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 6/16. 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 8/74:57 pm
ABE
- SJU
1 stop7h 02m
American Airlines
Fri 8/147:30 am
SJU
- ABE
1 stop15h 55m
American Airlines
Deal found 6/16![American Airlines logo]()
$495
Best flights from Allentown to San JuanDiscover carefully curated flight deals from Allentown to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
Discover carefully curated flight deals from Allentown to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:15 am
ABE
- SJU
1 stop8h 29m
United Airlines
Sun 9/273:56 pm
SJU
- ABE
1 stop17h 39m
United Airlines
Deal found 6/20![United Airlines logo]()
$663
This Delta deal was found by Cheapflights users on 6/18. 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.
Sun 7/261:08 pm
ABE
- SJU
1 stop9h 21m
Delta
Tue 7/282:42 pm
SJU
- ABE
1 stop8h 26m
Delta
Deal found 6/18![Delta logo]()
$686
This United Airlines deal was found by Cheapflights users on 6/15. 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 6/306:15 am
ABE
- SJU
1 stop8h 29m
United Airlines
Sat 7/47:40 am
SJU
- ABE
1 stop9h 26m
United Airlines
Deal found 6/15![United Airlines logo]()
$739
This Delta deal was found by Cheapflights users on 6/16. 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 8/16:30 am
ABE
- SJU
1 stop10h 09m
Delta
Sat 8/87:00 am
SJU
- ABE
1 stop10h 23m
Delta
Deal found 6/16![Delta logo]()
$827
This United Airlines deal was found by Cheapflights users on 6/15. 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 10/155:46 pm
ABE
- SJU
2 stops26h 52m
United Airlines
Mon 10/193:56 pm
SJU
- ABE
1 stop17h 39m
United Airlines
Deal found 6/15![United Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Thu 11/126:25 am
ABE
- SJU
2 stops17h 11m
United Airlines
Tue 11/174:55 pm
SJU
- ABE
1 stop18h 01m
United Airlines
Deal found 6/19![United Airlines logo]()
$864
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:41 pm
ABE
- SJU
2 stops26h 57m
United Airlines
Tue 7/73:56 pm
SJU
- ABE
1 stop18h 02m
United Airlines
Deal found 6/18![United Airlines logo]()
$890
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:15 am
ABE
- SJU
2 stops15h 09m
United Airlines
Wed 7/223:56 pm
SJU
- ABE
1 stop17h 57m
United Airlines
Deal found 6/20![United Airlines logo]()
$935
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/710:35 am
ABE
- SJU
2 stops13h 15m
United Airlines
Sun 8/24:55 pm
SJU
- ABE
2 stops17h 03m
United Airlines
Deal found 6/15![United Airlines logo]()
$936
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:35 am
ABE
- SJU
1 stop9h 59m
United Airlines
Tue 7/287:20 am
SJU
- ABE
2 stops13h 47m
United Airlines
Deal found 6/18![United Airlines logo]()
$944
Last-minute flights from Allentown to San JuanDiscover last-minute flight deals from Allentown to San Juan. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to San Juan. Data last updated June 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/16. 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 6/196:22 am
ABE
- SJU
1 stop16h 23m
American Airlines
Sun 6/217:00 am
SJU
- ABE
1 stop17h 21m
American Airlines
Deal found 6/16![American Airlines logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/710:00 am
ABE
- SJU
2 stops14h 07m
Multiple Airlines
Mon 7/136:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/710:00 am
ABE
- SJU
2 stops14h 07m
Multiple Airlines
Sat 8/13:10 am
SJU
- ABE
1 stop10h 52m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$524
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Thu 7/98:00 am
ABE
- SJU
1 stop18h 15m
Multiple Airlines
Tue 7/145:45 pm
SJU
- ABE
2 stops44h 17m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:38 pm
ABE
- SJU
2 stops21h 38m
Multiple Airlines
Fri 7/176:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/1712:36 pm
ABE
- SJU
2 stops36h 05m
Multiple Airlines
Fri 7/246:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/204:38 pm
ABE
- SJU
1 stop23h 27m
Multiple Airlines
Fri 7/246:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Sun 7/268:00 am
ABE
- SJU
1 stop23h 57m
Multiple Airlines
Wed 7/298:37 pm
SJU
- ABE
1 stop17h 25m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$527
One-way flights from Allentown to San JuanSearch for one-way flight options from Allentown to San Juan. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
Search for one-way flight options from Allentown to San Juan. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 7/31:12 pm
ABE
- SJU
1 stop9h 15m
Delta
Deal found 6/16![Delta logo]()
$201
This American Airlines deal was found by Cheapflights users on 6/15. 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 8/46:15 am
ABE
- SJU
1 stop16h 44m
American Airlines
Deal found 6/15![American Airlines logo]()
$258
This American Airlines deal was found by Cheapflights users on 6/17. 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 7/16:22 am
ABE
- SJU
1 stop16h 23m
American Airlines
Deal found 6/17![American Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:15 am
ABE
- SJU
2 stops15h 09m
United Airlines
Deal found 6/18![United Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/38:49 pm
ABE
- SJU
3 stops41h 06m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Fri 7/35:41 pm
ABE
- SJU
2 stops11h 48m
United Airlines
Deal found 6/17![United Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Thu 7/28:00 am
ABE
- SJU
1 stop9h 11m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$335
This KAYAK deal was found by Cheapflights users on 6/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:15 am
ABE
- SJU
1 stop16h 44m
American Airlines
Deal found 6/19![American Airlines logo]()
$372
Find flight deals from Allentown to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to San Juan (PR1). 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 June 20, 2026.
Round-trip from | $322 (American Airlines) |
|---|---|
One-way from | $201 (Delta) |
Popular in | September |
Cheapest in | February |
Average price | $711 |
Cheapflights Fare Finder
Customize your flight search to find flights from Allentown to San Juan 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 June 20, 2026.
Use the filters below to find and compare flights from Allentown to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Wed 9/23
6:15 am-2:44 pm
1 stop8h 29m
San Juan Luis Munoz Marin Intl
Sun 9/27
3:56 pm-9:35 am
1 stop17h 39m
$663
Quickest round-trip
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Sun 7/26
1:08 pm-10:29 pm
1 stop9h 21m
San Juan Luis Munoz Marin Intl
Tue 7/28
2:42 pm-11:08 pm
1 stop8h 26m
$686
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Tue 6/30
6:15 am-2:44 pm
1 stop8h 29m
San Juan Luis Munoz Marin Intl
Sat 7/4
7:40 am-5:06 pm
1 stop9h 26m
$739
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Thu 10/15
5:46 pm-8:38 pm
2 stops26h 52m
San Juan Luis Munoz Marin Intl
Mon 10/19
3:56 pm-9:35 am
1 stop17h 39m
$802
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Sat 8/1
6:30 am-4:39 pm
1 stop10h 09m
San Juan Luis Munoz Marin Intl
Sat 8/8
7:00 am-5:23 pm
1 stop10h 23m
$827
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Thu 11/12
6:25 am-12:36 am
2 stops17h 11m
San Juan Luis Munoz Marin Intl
Tue 11/17
4:55 pm-9:56 am
1 stop18h 01m
$864
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Fri 7/3
5:41 pm-8:38 pm
2 stops26h 57m
San Juan Luis Munoz Marin Intl
Tue 7/7
3:56 pm-9:58 am
1 stop18h 02m
$890
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Wed 7/15
6:15 am-9:24 pm
2 stops15h 09m
San Juan Luis Munoz Marin Intl
Wed 7/22
3:56 pm-9:53 am
1 stop17h 57m
$935
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Tue 7/7
10:35 am-11:50 pm
2 stops13h 15m
San Juan Luis Munoz Marin Intl
Sun 8/2
4:55 pm-9:58 am
2 stops17h 03m
$936
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Fri 7/24
10:35 am-8:34 pm
1 stop9h 59m
San Juan Luis Munoz Marin Intl
Tue 7/28
7:20 am-9:07 pm
2 stops13h 47m
$944
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Allentown to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Allentown with our price prediction graph.
ABE-PR1
ABE-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 Allentown to San Juan
ABE-PR1
ABE-SJU
What is the cheapest month to book a flight from Allentown to San Juan?
Currently, December is the cheapest month in which you can book a flight from Allentown to San Juan (average of $83). Flying from Allentown to San Juan in September is currently the most expensive (average of $477). 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.
How much does it cost to fly round-trip from Allentown to San Juan?
How far ahead should I book a flight from Allentown to San Juan?
The price you pay for your flight from Allentown to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated June 20, 2026.
See what other customers who have flown with Delta and American Airlines from Allentown to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Allentown to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Allentown to San Juan
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Allentown and San Juan flights
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Top 2 airlines flying from Allentown to San Juan
Discover the top 2 airlines that operate flights from Allentown to San Juan. 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$477 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$452 | FlexibilityNo cancel fee | On-time71% |