Cheap flights from Portland, Maine to Ireland from $353
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 Ireland departing on 5/12. 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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JetBlue flights from Portland, Maine to Ireland
Our best JetBlue deals on Portland, Maine to Ireland flight tickets
United Airlines flights from Portland, Maine to Ireland
Our best United Airlines deals on Portland, Maine to Ireland flight tickets
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How to get the cheapest flight ticket from Portland, Maine to Ireland
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 day to depart on your flight to Ireland?
The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as $621. This is often the case because there is less demand to fly during this day of the week. Flights from Portland, Maine to Ireland on a Friday will generally be more expensive and average around $974. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ireland?
According to our data, the cheapest time of day to fly to Ireland is at noon. momondo users have found flights departing from Portland, Maine to Ireland at noon for as low as $816. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around $821.
What is the cheapest airline that flies from Portland to Ireland?
United Airlines and JetBlue are the most popular carriers operating from Portland to Ireland
What airlines fly to Ireland?
Aer Lingus, Delta and JetBlue are the top three most popular airlines that fly to Ireland from Portland, Maine according to our data. Aer Lingus is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 14 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.
Cheap Portland, Maine to Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Ireland
When did momondo last update prices for flights from Portland Airport to Ireland?
Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Ireland?
As of April 2025, there are 3 operators available to choose from for flights from Portland Airport to Ireland.
How old do you have to be to fly from Portland Airport to Ireland?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents required for your trip to Ireland 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 Ireland. 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 Ireland
Compare and see reviews for airlines that fly from Portland, Maine to Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $471 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $575 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $580 | Free Cancellation | Rating 7.3 2,926 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Ireland?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Ireland. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Portland to Ireland with flexible booking policies on momondo?
momondo does allow users to show only those flights to Ireland 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 Ireland?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Ireland.
I’m not ready to book a flight from Portland to Ireland right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Portland to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they change.