$600+ Cheap flights from Portland (PDX) to Northern Ireland
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BFS
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Northern Ireland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Northern Ireland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to Northern IrelandExplore the most affordable flight options available from Portland to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
Explore the most affordable flight options available from Portland to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
This FlightHub deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:45 pm -
1 stop12h 50m
Mon 11/97:40 pm -
2 stops32h 07m
Deal found 9/25![British Airways logo]()
$976
This Booking.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:30 pm -
1 stop15h 50m
Thu 10/812:45 pm -
1 stop12h 55m
Deal found 9/24![British Airways logo]()
$1,415
This Mytrip deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:30 pm -
2 stops19h 40m
Thu 10/87:00 am -
3 stops20h 11m
Deal found 9/24![Multiple Airlines logo]()
$1,629
This Mytrip deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:15 pm -
2 stops19h 45m
Mon 11/95:55 pm -
3 stops32h 36m
Deal found 9/25![Multiple Airlines logo]()
$1,651
Best flights from Portland to Northern IrelandDiscover carefully curated flight deals from Portland to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
Discover carefully curated flight deals from Portland to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/911:40 am -
2 stops21h 10m
Tue 3/305:25 pm -
1 stop25h 45m
Deal found 9/22![Delta logo]()
$832
This British Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/155:45 pm -
1 stop14h 20m
Fri 2/196:45 am -
1 stop17h 05m
Deal found 9/24![British Airways logo]()
$885
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/96:04 am -
2 stops26h 46m
Mon 3/299:50 am -
2 stops40h 27m
Deal found 9/22![Delta logo]()
$842
This British Airways deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/15:45 pm -
1 stop15h 40m
Fri 2/56:45 am -
1 stop17h 05m
Deal found 9/24![British Airways logo]()
$885
This British Airways deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/105:45 pm -
1 stop12h 50m
Sat 4/39:35 am -
1 stop16h 05m
Deal found 9/22![British Airways logo]()
$941
Last-minute flights from Portland to Northern IrelandDiscover last-minute flight deals from Portland to Northern Ireland. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Northern Ireland. Data last updated September 25, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:30 pm -
1 stop15h 50m
Thu 10/812:45 pm -
1 stop12h 55m
Deal found 9/24![British Airways logo]()
$1,415
This Mytrip deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:30 pm -
2 stops19h 40m
Thu 10/87:00 am -
3 stops20h 11m
Deal found 9/24![Multiple Airlines logo]()
$1,629
One-way flights from Portland to Northern IrelandSearch for one-way flight options from Portland to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
Search for one-way flight options from Portland to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
This Ovago deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:59 pm -
2 stops29h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Iberia logo]()
$600
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:35 pm -
3 stops42h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$623
Find flight deals from Portland to Northern Ireland
Keep the following information in mind while searching for Portland to Northern Ireland flight deals. Data was last updated September 25, 2026.
Round-trip from | $827 (Delta) |
|---|---|
One-way from | $600 (Ovago) |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 25, 2026.
Use the filters below to find and compare flights from Portland to Northern Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Tue 12/22
11:59 pm-1:15 pm
2 stops29h 16m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$600
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Tue 12/22
4:35 pm-7:00 pm
3 stops42h 25m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$623
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Tue 3/9
11:40 am-4:50 pm
2 stops21h 10m
Belfast City
Tue 3/30
5:25 pm-11:10 am
1 stop25h 45m
$832
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Tue 3/9
6:04 am-4:50 pm
2 stops26h 46m
Belfast City
Mon 3/29
9:50 am-6:17 pm
2 stops40h 27m
$842
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Mon 2/15
5:45 pm-4:05 pm
1 stop14h 20m
Belfast City
Fri 2/19
6:45 am-3:50 pm
1 stop17h 05m
$885
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Mon 2/1
5:45 pm-5:25 pm
1 stop15h 40m
Belfast City
Fri 2/5
6:45 am-3:50 pm
1 stop17h 05m
$885
Quickest round-trip
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Wed 3/10
5:45 pm-2:35 pm
1 stop12h 50m
Belfast City
Sat 4/3
9:35 am-5:40 pm
1 stop16h 05m
$941
Sorted by cheapest first
Best time to book a flight from Portland to Northern Ireland
Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Portland with our price prediction graph.
PDX-BHD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Northern Ireland
PDX-GBNIR
PDX-BHD
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Northern Ireland
Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated September 25, 2026.
Peruse reviews from past customers who have flown with British Airways from Portland to Northern Ireland to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.5
Overall
6.7
Comfort
6.8
Boarding
7.0
Food
6.4
Crew
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Entertainment
6.5
Overall
6.7
Comfort
6.8
Boarding
7.0
Food
6.4
Crew
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Related info for your journey
Find useful and relevant information for your journey from Portland to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portland to Northern Ireland
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Complete your trip
Complete your trip to Northern Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Northern Ireland by cabin class
Find flights from Portland to Northern Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Northern Ireland flights
Browse other Portland and Northern Ireland flight options. Last updated on September 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Portland to Northern Ireland
Discover the top airline that operate flights from Portland to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$776 | Average$1,316 | FlexibilityNo cancel fee | On-time70% |