Cheap flights from Portland to Northern Ireland from $435
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 Northern Ireland 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.
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 to Northern Ireland
Cheap round-trip flights
Cheap one-way flights
KLM flights from Portland to Northern Ireland
Our best KLM deals on Portland to Northern Ireland flight tickets
Delta flights from Portland to Northern Ireland
Our best Delta deals on Portland to Northern Ireland flight tickets
See travel insights to Northern Ireland from
How to get the cheapest flight ticket from Portland to Northern 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 Northern Ireland?
The cheapest day to depart on your flight to Northern Ireland is on a Sunday when prices can be found for as low as $666. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Northern Ireland for around $1,045.
What is the cheapest time of day to depart on your flight to Northern Ireland?
In the afternoon is the cheapest time of day to fly from Portland to Northern Ireland when you can find flight prices for as low as $667. Flying to Northern Ireland in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $910.
Cheap Portland to Northern Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Northern Ireland
Best Price Found | $435 |
|---|---|
Fastest flight time | 12h 15m |
Direct flights | None |
Airports in Northern Ireland | 2 airports |
When did momondo last update prices for flights from Portland Airport to Northern Ireland?
Prices for flights from Portland Airport to Northern Ireland refresh daily.
How many operators does momondo search for flights from Portland Airport to Northern Ireland?
As of April 2025, there are 2 operators available to choose from for flights from Portland Airport to Northern Ireland.
How old do you have to be to fly from Portland Airport to Northern Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The required travel and health documents for your Northern Ireland 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 Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Portland to Northern Ireland
Compare and see reviews for airlines that fly from Portland to Northern Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $634 | Free Cancellation | Rating 6.6 6,809 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 Northern Ireland?
Finding the right flight to Northern Ireland from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Northern Ireland quick and easy, saving you time and money.
Can I find flights from Portland to Northern Ireland with flexible booking policies on momondo?
All flight searches from Portland to Northern Ireland on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Portland to Northern 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 Northern Ireland.
I’m not ready to book a flight from Portland to Northern Ireland right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Portland to Northern 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 Northern Ireland and let you know when they change.