$206+ Cheap flights from Portland, ME (PWM) 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJU
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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Find cheap flights from Portland to San Juan with Cheapflights
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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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to San Juan
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Best
Last-minute
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Cheapest flights from Portland to San JuanExplore the most affordable flight options available from Portland to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
Explore the most affordable flight options available from Portland to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
This United Airlines deal was found by Cheapflights users on 6/26. 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 10/226:00 am
PWM
- SJU
1 stop7h 45m
United Airlines
Mon 10/264:50 pm
SJU
- PWM
1 stop7h 09m
United Airlines
Deal found 6/26![United Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 6/26. 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 9/166:00 am
PWM
- SJU
1 stop10h 49m
Delta
Wed 9/237:30 am
SJU
- PWM
1 stop8h 09m
Delta
Deal found 6/26![Delta logo]()
$276
This United Airlines deal was found by Cheapflights users on 6/26. 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 10/216:00 am
PWM
- SJU
1 stop7h 45m
United Airlines
Wed 10/286:40 am
SJU
- PWM
2 stops16h 43m
United Airlines
Deal found 6/26![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 6/30. 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 9/196:00 am
PWM
- SJU
1 stop10h 49m
Delta
Sat 9/261:21 pm
SJU
- PWM
1 stop10h 35m
Delta
Deal found 6/30![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 6/28. 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 9/167:00 am
PWM
- SJU
1 stop7h 50m
American Airlines
Wed 9/236:27 am
SJU
- PWM
2 stops17h 32m
American Airlines
Deal found 6/28![American Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 6/30. 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 10/2110:25 am
PWM
- SJU
2 stops11h 50m
Southwest
Wed 10/285:35 am
SJU
- PWM
2 stops10h 30m
Southwest
Deal found 6/30![Southwest logo]()
$343
This American Airlines deal was found by Cheapflights users on 6/30. 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 9/192:51 pm
PWM
- SJU
2 stops18h 33m
American Airlines
Sat 9/2610:16 am
SJU
- PWM
2 stops11h 29m
American Airlines
Deal found 6/30![American Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 7/1. 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 10/216:00 am
PWM
- SJU
2 stops9h 38m
American Airlines
Wed 10/2812:13 pm
SJU
- PWM
1 stop10h 23m
American Airlines
Deal found 7/1![American Airlines logo]()
$352
This Orbitz deal was found by Cheapflights users on 6/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
PWM
- SJU
2 stops17h 58m
JetBlue
Tue 8/258:30 pm
SJU
- PWM
2 stops17h 15m
JetBlue
Deal found 6/30![JetBlue logo]()
$355
This Delta deal was found by Cheapflights users on 6/26. 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.
Mon 9/214:20 pm
PWM
- SJU
1 stop7h 28m
Delta
Fri 9/251:16 pm
SJU
- PWM
1 stop10h 40m
Delta
Deal found 6/26![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/205:15 am
PWM
- SJU
1 stop7h 39m
United Airlines
Tue 8/257:00 am
SJU
- PWM
2 stops16h 59m
United Airlines
Deal found 6/30![United Airlines logo]()
$377
Best flights from Portland to San JuanDiscover carefully curated flight deals from Portland to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Portland to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This United Airlines deal was found by Cheapflights users on 6/26. 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 10/226:00 am
PWM
- SJU
1 stop7h 45m
United Airlines
Mon 10/2612:00 pm
SJU
- PWM
2 stops11h 59m
United Airlines
Deal found 6/26![United Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 6/30. 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 10/204:15 pm
PWM
- SJU
1 stop7h 41m
Delta
Mon 10/261:06 pm
SJU
- PWM
1 stop10h 43m
Delta
Deal found 6/30![Delta logo]()
$322
This Southwest deal was found by Cheapflights users on 6/30. 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 10/211:30 pm
PWM
- SJU
2 stops10h 15m
Southwest
Wed 10/286:10 am
SJU
- PWM
1 stop6h 40m
Southwest
Deal found 6/30![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 6/26. 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 10/216:00 am
PWM
- SJU
1 stop7h 45m
United Airlines
Wed 10/286:40 am
SJU
- PWM
2 stops16h 43m
United Airlines
Deal found 6/26![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 6/29. 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 9/196:00 am
PWM
- SJU
1 stop10h 49m
Delta
Sat 9/261:21 pm
SJU
- PWM
1 stop10h 35m
Delta
Deal found 6/29![Delta logo]()
$322
This Southwest deal was found by Cheapflights users on 6/27. 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 11/611:10 am
PWM
- SJU
2 stops8h 35m
Southwest
Thu 11/126:35 am
SJU
- PWM
1 stop7h 30m
Southwest
Deal found 6/27![Southwest logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/205:15 am
PWM
- SJU
1 stop7h 39m
United Airlines
Tue 8/257:00 am
SJU
- PWM
2 stops16h 59m
United Airlines
Deal found 6/30![United Airlines logo]()
$377
Last-minute flights from Portland to San JuanDiscover last-minute flight deals from Portland to San Juan. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Juan. Data last updated July 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/26. 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 7/16:00 am
PWM
- SJU
1 stop7h 31m
Delta
Sat 7/45:45 pm
SJU
- PWM
1 stop7h 07m
Delta
Deal found 6/26![Delta logo]()
$452
This American Airlines deal was found by Cheapflights users on 6/26. 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 7/15:38 am
PWM
- SJU
2 stops12h 47m
American Airlines
Wed 7/87:00 am
SJU
- PWM
1 stop15h 33m
American Airlines
Deal found 6/26![American Airlines logo]()
$531
This American Airlines deal was found by Cheapflights users on 6/29. 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 7/12:35 pm
PWM
- SJU
1 stop8h 10m
American Airlines
Sat 7/47:25 am
SJU
- PWM
2 stops12h 40m
American Airlines
Deal found 6/29![American Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 6/27. 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 7/116:00 am
PWM
- SJU
2 stops14h 34m
United Airlines
Mon 7/204:55 pm
SJU
- PWM
1 stop6h 56m
United Airlines
Deal found 6/27![United Airlines logo]()
$572
This American Airlines deal was found by Cheapflights users on 6/26. 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 7/116:01 am
PWM
- SJU
1 stop16h 32m
American Airlines
Mon 7/207:25 am
SJU
- PWM
1 stop15h 11m
American Airlines
Deal found 6/26![American Airlines logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 7/168:22 pm
PWM
- SJU
2 stops17h 33m
Multiple Airlines
Tue 7/215:22 pm
SJU
- PWM
1 stop24h 36m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 6/27. 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 7/166:00 am
PWM
- SJU
1 stop7h 45m
United Airlines
Mon 7/201:00 am
SJU
- PWM
1 stop8h 11m
United Airlines
Deal found 6/27![United Airlines logo]()
$550
This Southwest deal was found by Cheapflights users on 6/26. 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 7/173:20 pm
PWM
- SJU
1 stop9h 00m
Southwest
Thu 7/235:15 pm
SJU
- PWM
1 stop6h 55m
Southwest
Deal found 6/26![Southwest logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 7/179:52 am
PWM
- SJU
1 stop11h 51m
Multiple Airlines
Thu 7/236:30 am
SJU
- PWM
2 stops16h 09m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$617
This JetBlue deal was found by Cheapflights users on 6/27. 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 7/182:40 pm
PWM
- SJU
1 stop10h 02m
JetBlue
Tue 7/285:01 am
SJU
- PWM
1 stop7h 29m
JetBlue
Deal found 6/27![JetBlue logo]()
$640
One-way flights from Portland to San JuanSearch for one-way flight options from Portland to San Juan. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Portland to San Juan. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This JetBlue deal was found by Cheapflights users on 6/30. 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 9/166:00 am
PWM
- SJU
1 stop7h 34m
JetBlue
Deal found 6/30![JetBlue logo]()
$206
This United Airlines deal was found by Cheapflights users on 6/30. 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 9/166:06 am
PWM
- SJU
2 stops14h 32m
United Airlines
Deal found 6/30![United Airlines logo]()
$211
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Sun 11/225:41 am
PWM
- SJU
2 stops14h 51m
American Airlines
Deal found 6/26![American Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 6/26. 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 11/226:00 am
PWM
- SJU
1 stop10h 25m
Delta
Deal found 6/26![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 6/30. 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 11/306:00 am
PWM
- SJU
1 stop7h 40m
United Airlines
Deal found 6/30![United Airlines logo]()
$420
Find flight deals from Portland to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 July 1, 2026.
Round-trip from | $238 (United Airlines) |
|---|---|
One-way from | $206 (JetBlue) |
Popular in | April |
Cheapest in | October |
Average price | $398 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 July 1, 2026.
Use the filters below to find and compare flights from Portland to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Thu 10/22
6:00 am-1:45 pm
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Mon 10/26
12:00 pm-11:59 pm
2 stops11h 59m
$238
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Wed 10/21
6:00 am-1:45 pm
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Wed 10/28
6:40 am-11:23 pm
2 stops16h 43m
$318
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Tue 10/20
4:15 pm-11:56 pm
1 stop7h 41m
San Juan Luis Munoz Marin Intl
Mon 10/26
1:06 pm-11:49 pm
1 stop10h 43m
$322
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Sat 9/19
6:00 am-4:49 pm
1 stop10h 49m
San Juan Luis Munoz Marin Intl
Sat 9/26
1:21 pm-11:56 pm
1 stop10h 35m
$322
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Wed 10/21
1:30 pm-11:45 pm
2 stops10h 15m
San Juan Luis Munoz Marin Intl
Wed 10/28
6:10 am-12:50 pm
1 stop6h 40m
$343
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Thu 8/20
5:15 am-12:54 pm
1 stop7h 39m
San Juan Luis Munoz Marin Intl
Tue 8/25
7:00 am-11:59 pm
2 stops16h 59m
$377
Quickest round-trip
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Fri 11/6
11:10 am-8:45 pm
2 stops8h 35m
San Juan Luis Munoz Marin Intl
Thu 11/12
6:35 am-1:05 pm
1 stop7h 30m
$394
Cheapest one-way
Quickest one-way
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Wed 9/16
6:00 am-1:34 pm
1 stop7h 34m
$206
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Wed 9/16
6:06 am-8:38 pm
2 stops14h 32m
$211
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Sun 11/22
5:41 am-9:32 pm
2 stops14h 51m
$261
Showing 1-10 of 12 resultsSorted by cheapest first
Best time to book a flight from Portland to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Portland with our price prediction graph.
PWM-PR1
PWM-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 Portland to San Juan
PWM-PR1
PWM-SJU
What is the cheapest month to book a flight from Portland, Maine to San Juan?
Currently, February is the cheapest month in which you can book a flight from Portland, Maine to San Juan (average of $101). Flying from Portland, Maine to San Juan in August is currently the most expensive (average of $303). 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 far ahead should I book a flight from Portland, Maine to San Juan?
To ensure you get the cheapest price possible for a flight from Portland, Maine to San Juan, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 July 1, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Portland to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
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 Portland 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 Portland to San Juan
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Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to San Juan by cabin class
Find flights from Portland to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and San Juan flights
Browse other Portland and San Juan flight options. Last updated on July 1, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Portland to San Juan
Discover the top 5 airlines that operate flights from Portland 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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$493 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$235 | Average$491 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$560 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$565 | FlexibilityNo cancel fee | On-time63% |