Cheap flights from Portland, Maine to Costa Rica from $151
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 Costa Rica departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Portland, Maine to Costa Rica
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United Airlines flights from Portland, Maine to Costa Rica
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How to get the cheapest flight ticket from Portland, Maine to Costa Rica
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 Costa Rica?
The cheapest month to fly to Costa Rica from Portland, Maine is in September. Flight prices, which tend to average around $336, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then November is your next best option. Flight prices from Portland, Maine to Costa Rica during November average around $492.
What is the cheapest day to depart on your flight to Costa Rica?
According to our data, Thursday is the cheapest day to fly to Costa Rica from Portland, Maine. The lowest ticket price found for a Thursday departure recently was $595. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $940. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.
What is the cheapest airline that flies from Portland to Costa Rica?
American Airlines, United Airlines, and Delta are the most popular carriers operating from Portland to Costa Rica
What airlines fly to Costa Rica?
American Airlines, JetBlue and Spirit Airlines are the top three most popular airlines that fly to Costa Rica from Portland, Maine according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 10 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.
Cheap Portland, Maine to Costa Rica flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Costa Rica
When did momondo last update prices for flights from Portland Airport to Costa Rica?
Prices for flights from Portland Airport to Costa Rica are updated daily.
How many operators does momondo search for flights from Portland Airport to Costa Rica?
As of June 2025, there are 4 operators available to choose from for flights from Portland Airport to Costa Rica.
How old do you have to be to fly from Portland Airport to Costa Rica?
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 Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Portland, Maine to Costa Rica
Compare and see reviews for airlines that fly from Portland, Maine to Costa Rica with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $425 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $521 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $528 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $584 | Free Cancellation | Rating 8.0 4,280 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Costa Rica?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Costa Rica from Portland.
Can I find flights from Portland to Costa Rica with flexible booking policies on momondo?
momondo does allow users to show only those flights to Costa Rica from Portland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Portland to Costa Rica?
Once all potential Portland to Costa Rica flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Portland to Costa Rica right now. Can momondo alert me if prices change?
Price alerts on flights to Costa Rica from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.