Cheap flights from Portland to Belfast from $419
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 to Belfast departing on 8/23. 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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How to get the cheapest flight ticket from Portland to Belfast
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 Belfast?
The cheapest day to depart from Portland to Belfast is on a Sunday when prices can be found for as low as $666. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Belfast for around $1,045.
What is the cheapest time of day to depart on your flight to Belfast?
Our data shows that the cheapest Portland to Belfast flights are usually those with departure times in the afternoon. Our users have found flights to Belfast in the afternoon for as low as $667. Try not to purchase tickets in the evening because they tend to be around $910. Of course, these prices can vary depending on the time of year and what airport you fly to.
Cheap Portland to Belfast flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Belfast
How far is Portland to Belfast by plane?
The straight-line distance from Portland to Belfast is 4590.7 mi. Typically, this will take 13h 50m by plane in normal conditions.
When did momondo last update prices for flights from Portland Airport to Belfast?
Prices for flights from Portland Airport to Belfast are updated daily.
How many operators does momondo search for flights from Portland Airport to Belfast?
The number of operators available for flights from Portland Airport to Belfast is 2 as of May 2025.
How old do you have to be to fly from Portland Airport to Belfast?
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 Belfast.
What documentation or ID do you need to fly to Belfast?
The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Portland to Belfast
Compare and see reviews for airlines that fly from Portland to Belfast with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $634 | Free Cancellation | Rating 6.6 6,886 reviews | |||
| PriceFrom $638 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Belfast?
It is quick and easy to find Portland to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.
Can I find flights from Portland to Belfast with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Belfast from Portland with this policy.
How can momondo help me find flights from Portland to Belfast?
momondo helps you find the best flight between Portland and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Portland to Belfast right now. Can momondo alert me if prices change?
Price alerts on flights to Belfast 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.