Cheap flights from Portland, Maine to Puerto Rico from $115
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Puerto Rico departing on 6/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Portland, Maine to Puerto Rico
Cheap round-trip flights
Cheap one-way flights
Frontier flights from Portland, Maine to Puerto Rico
Our best Frontier deals on Portland, Maine to Puerto Rico flight tickets
United Airlines flights from Portland, Maine to Puerto Rico
Our best United Airlines deals on Portland, Maine to Puerto Rico flight tickets
See travel insights to Puerto Rico from
How to get the cheapest flight ticket from Portland, Maine to Puerto Rico
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Puerto Rico?
If you don’t want to visit Puerto Rico in September, then you should wait until October to fly from Portland, Maine, when ticket prices are also cheap, with an average price of $364.
What is the cheapest day to depart on your flight to Puerto Rico?
On average, the least expensive day to fly to Puerto Rico from Portland, Maine is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $334. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Sunday, with ticket prices averaging around $579.
What is the cheapest time of day to depart on your flight to Puerto Rico?
Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Portland, Maine to Puerto Rico during this time can be as low as $302. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $557.
How far in advance should I book a flight to Puerto Rico?
You are more likely to see cheaper flights to Puerto Rico from Portland, Maine when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $479 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Portland, Maine for as low as $365 on momondo.
What is the cheapest airline that flies from Portland to Puerto Rico?
Frontier, Delta, and American Airlines are the most popular carriers operating from Portland to Puerto Rico
What airlines fly to Puerto Rico?
JetBlue, Frontier and Delta are the top three most popular airlines that fly to Puerto Rico from Portland, Maine according to our data. JetBlue is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 7 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.
Cheap Portland, Maine to Puerto Rico flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Puerto Rico
When did momondo last update prices for flights from Portland Airport to Puerto Rico?
Prices for flights from Portland Airport to Puerto Rico are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Puerto Rico?
As of June 2025, there are 6 operators available to choose from for flights from Portland Airport to Puerto Rico.
How old do you have to be to fly from Portland Airport to Puerto Rico?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The travel and health documents required for your trip to Puerto Rico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Portland, Maine to Puerto Rico
Compare and see reviews for airlines that fly from Portland, Maine to Puerto Rico with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $145 | Free Cancellation | Rating 5.9 3,299 reviews | |||
| PriceFrom $214 | Free Cancellation | Rating 7.3 2,923 reviews | |||
| PriceFrom $274 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $285 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom $322 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $401 | Free Cancellation | Rating 8.0 4,278 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Puerto Rico?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Puerto Rico for you.
Can I find flights from Portland to Puerto Rico with flexible booking policies on momondo?
Yes. All flights to Puerto Rico from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Portland to Puerto Rico?
momondo provides multiple filters to help you find the best flight to Puerto Rico from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Portland to Puerto Rico right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Portland to Puerto Rico now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Puerto Rico and let you know when they change.