$96+ Cheap flights from Portland, ME (PWM) 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJU
Mar 27 — Apr 31
1 adult, Economy
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Find cheap flights from Portland 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.Cheap flight deals from Portland to Luis Munoz Marin Intl
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Cheapest flights from Portland to Luis Munoz Marin IntlExplore the most affordable flight options available from Portland to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 25, 2026.
Explore the most affordable flight options available from Portland to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 25, 2026.
This United Airlines deal was found by Cheapflights users on 2/24. 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 5/56:00 am
PWM
- SJU
2 stops14h 38m
United Airlines
Wed 5/67:20 am
SJU
- PWM
1 stop7h 29m
United Airlines
Deal found 2/24![United Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 2/25. 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 4/266:00 am
PWM
- SJU
1 stop16h 05m
American Airlines
Thu 4/307:25 am
SJU
- PWM
1 stop15h 21m
American Airlines
Deal found 2/25![American Airlines logo]()
$192
This United Airlines deal was found by Cheapflights users on 2/24. 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.
Sun 4/266:00 am
PWM
- SJU
1 stop7h 45m
United Airlines
Wed 4/291:00 am
SJU
- PWM
1 stop7h 49m
United Airlines
Deal found 2/24![United Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:51 pm
PWM
- SJU
1 stop9h 08m
Delta
Sat 5/97:05 am
SJU
- PWM
1 stop6h 53m
Delta
Deal found 2/22![Delta logo]()
$276
This United Airlines deal was found by Cheapflights users on 2/21. 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 2/243:05 pm
PWM
- SJU
1 stop8h 31m
United Airlines
Tue 3/32:05 am
SJU
- PWM
2 stops14h 09m
United Airlines
Deal found 2/21![United Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:50 am
PWM
- SJU
1 stop11h 15m
American Airlines
Fri 5/83:44 pm
SJU
- PWM
2 stops19h 10m
American Airlines
Deal found 2/22![American Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
PWM
- SJU
2 stops14h 26m
United Airlines
Tue 3/38:05 am
SJU
- PWM
1 stop7h 18m
United Airlines
Deal found 2/22![United Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
PWM
- SJU
1 stop8h 29m
American Airlines
Tue 5/511:43 am
SJU
- PWM
2 stops11h 44m
American Airlines
Deal found 2/22![American Airlines logo]()
$316
Best flights from Portland to Luis Munoz Marin IntlDiscover carefully curated flight deals from Portland 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 February 25, 2026.
Discover carefully curated flight deals from Portland 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 February 25, 2026.
This United Airlines deal was found by Cheapflights users on 2/24. 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 5/56:00 am
PWM
- SJU
1 stop8h 44m
United Airlines
Tue 5/51:00 am
SJU
- PWM
2 stops9h 18m
United Airlines
Deal found 2/24![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 2/24. 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 4/283:55 pm
PWM
- SJU
1 stop6h 45m
Southwest
Tue 5/55:05 am
SJU
- PWM
1 stop7h 15m
Southwest
Deal found 2/24![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/112:30 pm
PWM
- SJU
1 stop9h 29m
Delta
Sat 4/185:42 pm
SJU
- PWM
1 stop7h 04m
Delta
Deal found 2/21![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 5/63:39 pm
PWM
- SJU
1 stop8h 11m
United Airlines
Fri 5/81:00 am
SJU
- PWM
2 stops13h 14m
United Airlines
Deal found 2/21![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 2/24. 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 4/272:50 pm
PWM
- SJU
1 stop8h 50m
Southwest
Mon 5/42:00 pm
SJU
- PWM
2 stops9h 25m
Southwest
Deal found 2/24![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 2/21. 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.
Fri 6/123:10 pm
PWM
- SJU
1 stop9h 05m
Southwest
Mon 6/155:15 pm
SJU
- PWM
1 stop6h 50m
Southwest
Deal found 2/21![Southwest logo]()
$412
Last-minute flights from Portland to Luis Munoz Marin IntlDiscover last-minute flight deals from Portland to Luis Munoz Marin Intl. Data last updated February 25, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Luis Munoz Marin Intl. Data last updated February 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:31 am
PWM
- SJU
1 stop10h 56m
Delta
Tue 3/33:55 pm
SJU
- PWM
1 stop8h 11m
Delta
Deal found 2/21![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 2/253:05 pm
PWM
- SJU
1 stop8h 31m
United Airlines
Tue 3/38:30 am
SJU
- PWM
2 stops15h 50m
United Airlines
Deal found 2/21![United Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 2/23. 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.
Thu 2/262:25 pm
PWM
- SJU
1 stop9h 40m
Southwest
Wed 3/46:10 am
SJU
- PWM
1 stop9h 40m
Southwest
Deal found 2/23![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:00 am
PWM
- SJU
2 stops14h 00m
United Airlines
Tue 3/38:05 am
SJU
- PWM
1 stop7h 18m
United Airlines
Deal found 2/23![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
PWM
- SJU
2 stops14h 26m
United Airlines
Tue 3/38:05 am
SJU
- PWM
1 stop7h 18m
United Airlines
Deal found 2/22![United Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
PWM
- SJU
2 stops14h 00m
United Airlines
Mon 3/91:05 am
SJU
- PWM
1 stop9h 44m
United Airlines
Deal found 2/22![United Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
PWM
- SJU
2 stops13h 34m
American Airlines
Tue 3/1012:58 pm
SJU
- PWM
2 stops10h 57m
American Airlines
Deal found 2/22![American Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 2/22. 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.
Mon 3/235:30 pm
PWM
- SJU
1 stop6h 55m
Southwest
Wed 4/15:15 am
SJU
- PWM
1 stop6h 40m
Southwest
Deal found 2/22![Southwest logo]()
$399
One-way flights from Portland to Luis Munoz Marin IntlSearch for one-way flight options from Portland to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated February 25, 2026.
Search for one-way flight options from Portland to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated February 25, 2026.
This United Airlines deal was found by Cheapflights users on 2/24. 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 5/95:30 am
PWM
- SJU
2 stops15h 04m
United Airlines
Deal found 2/24![United Airlines logo]()
$96
This Expedia deal was found by Cheapflights users on 2/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
PWM
- SJU
1 stop9h 24m
JetBlue
Deal found 2/23![JetBlue logo]()
$166
This Southwest deal was found by Cheapflights users on 2/24. 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 3/92:50 pm
PWM
- SJU
1 stop9h 35m
Southwest
Deal found 2/24![Southwest logo]()
$179
This American Airlines deal was found by Cheapflights users on 2/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:10 am
PWM
- SJU
1 stop13h 41m
American Airlines
Deal found 2/23![American Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 2/24. 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.
Sat 5/95:01 pm
PWM
- SJU
3 stops27h 06m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/23. 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.
Thu 4/3011:01 am
PWM
- SJU
3 stops45h 52m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:15 am
PWM
- SJU
3 stops15h 19m
United Airlines
Deal found 2/23![United Airlines logo]()
$303
Find flight deals from Portland to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 February 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (United Airlines) |
One-way from | $96 (United Airlines) |
Popular in | February |
Cheapest in | November |
Average price | $650 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 February 25, 2026.
Use the filters below to find and compare flights from Portland to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Tue 5/5
6:00 am-2:44 pm
1 stop8h 44m
San Juan Luis Munoz Marin Intl
Tue 5/5
1:00 am-10:18 am
2 stops9h 18m
$277
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Wed 5/6
3:39 pm-11:50 pm
1 stop8h 11m
San Juan Luis Munoz Marin Intl
Fri 5/8
1:00 am-2:14 pm
2 stops13h 14m
$350
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Tue 4/28
3:55 pm-10:40 pm
1 stop6h 45m
San Juan Luis Munoz Marin Intl
Tue 5/5
5:05 am-12:20 pm
1 stop7h 15m
$354
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Sat 4/11
2:30 pm-11:59 pm
1 stop9h 29m
San Juan Luis Munoz Marin Intl
Sat 4/18
5:42 pm-12:46 am
1 stop7h 04m
$358
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Mon 4/27
2:50 pm-11:40 pm
1 stop8h 50m
San Juan Luis Munoz Marin Intl
Mon 5/4
2:00 pm-11:25 pm
2 stops9h 25m
$402
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Fri 6/12
3:10 pm-12:15 am
1 stop9h 05m
San Juan Luis Munoz Marin Intl
Mon 6/15
5:15 pm-12:05 am
1 stop6h 50m
$412
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Sat 5/9
9:40 am-8:34 pm
1 stop10h 54m
$96
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Mon 3/9
2:50 pm-12:25 am
1 stop9h 35m
$179
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Thu 4/30
7:10 am-8:51 pm
1 stop13h 41m
$185
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Sat 5/9
5:01 pm-8:07 pm
3 stops27h 06m
$201
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Portland 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 Portland to Luis Munoz Marin Intl in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Portland, Maine-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 Portland, Maine-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 Portland, Maine-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 Portland, Maine-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 Portland, Maine-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 Portland to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Portland with our price prediction graph.
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 Luis Munoz Marin Intl Airport
How far ahead should I book a flight from Portland, Maine to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Luis Munoz Marin Intl. Price data was last updated on February 20, 2026.
The best time to book flights from Portland, Maine to San Juan Luis Munoz Marin Intl Airport is 45 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 Portland, Maine to San Juan Luis Munoz Marin Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Portland, Maine to San Juan Luis Munoz Marin Intl Airport (average of $93). Flying from Portland, Maine to San Juan Luis Munoz Marin Intl Airport in November is currently the most expensive (average of $177). 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 Portland, Maine to San Juan Luis Munoz Marin Intl Airport?
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 February 25, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Portland to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Portland 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
Dorado
Luquillo
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 February 25, 2026.
Portland and Luis Munoz Marin Intl flights
Browse other Portland and Luis Munoz Marin Intl flight options. Last updated on February 25, 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 February 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Portland to Luis Munoz Marin Intl
Discover the top 5 airlines that operate flights from Portland 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 February 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$148 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$174 | Average$495 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$241 | Average$623 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$573 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$315 | Average$547 | FlexibilityNo cancel fee | On-time63% |