$387+ Cheap flights from Portland (PDX) to Northern Ireland
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BFS
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Northern Ireland with Cheapflights
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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
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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
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Best
Last-minute
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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 August 10, 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 August 10, 2026.
This British Airways deal was found by Cheapflights users on 8/5. 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.
Sun 11/155:45 pm -
1 stop16h 55m
Wed 11/189:15 am -
1 stop14h 35m
Deal found 8/5![British Airways logo]()
$908
This Mytrip deal was found by Cheapflights users on 8/8. 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.
Tue 8/253:30 pm -
3 stops18h 30m
Fri 8/287:00 am -
3 stops34h 31m
Deal found 8/8![Multiple Airlines logo]()
$994
This British Airways deal was found by Cheapflights users on 8/7. 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.
Tue 10/278:35 am -
2 stops18h 55m
Sun 11/18:25 pm -
1 stop27h 25m
Deal found 8/7![British Airways logo]()
$1,023
This American Airlines deal was found by Cheapflights users on 8/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:31 am -
2 stops17h 59m
Sun 11/19:10 am -
2 stops18h 37m
Deal found 8/7![Multiple Airlines logo]()
$1,031
This Justfly.com deal was found by Cheapflights users on 8/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:12 pm -
2 stops17h 03m
Mon 12/285:45 pm -
2 stops37h 35m
Deal found 8/7![British Airways logo]()
$1,101
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Thu 9/103:30 pm -
2 stops22h 55m
Thu 9/248:40 pm -
3 stops29h 15m
Deal found 8/7![Multiple Airlines logo]()
$1,158
This Cheapflightsfares deal was found by Cheapflights users on 8/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:30 pm -
1 stop16h 10m
Fri 8/286:30 am -
1 stop19h 10m
Deal found 8/8![British Airways logo]()
$1,347
This Trip.com deal was found by Cheapflights users on 8/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:30 pm -
2 stops17h 05m
Fri 8/287:20 am -
2 stops20h 14m
Deal found 8/8![Multiple Airlines logo]()
$1,838
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 August 10, 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 August 10, 2026.
This British Airways deal was found by Cheapflights users on 8/7. 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.
Sun 1/315:45 pm -
1 stop15h 05m
Tue 2/24:55 pm -
1 stop30h 55m
Deal found 8/7![British Airways logo]()
$917
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Thu 9/103:30 pm -
2 stops22h 55m
Thu 9/248:40 pm -
3 stops29h 15m
Deal found 8/7![Multiple Airlines logo]()
$1,158
This Cheapflightsfares deal was found by Cheapflights users on 8/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/295:45 pm -
1 stop12h 30m
Sun 2/76:30 am -
1 stop17h 20m
Deal found 8/6![British Airways logo]()
$993
This British Airways deal was found by Cheapflights users on 8/7. 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.
Tue 10/278:35 am -
2 stops18h 55m
Sun 11/18:25 pm -
1 stop27h 25m
Deal found 8/7![British Airways logo]()
$1,023
This British Airways deal was found by Cheapflights users on 8/5. 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.
Sun 11/158:00 am -
2 stops18h 20m
Wed 11/189:15 am -
1 stop14h 35m
Deal found 8/5![British Airways logo]()
$1,132
This Mytrip deal was found by Cheapflights users on 8/8. 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.
Tue 8/253:30 pm -
3 stops18h 30m
Fri 8/289:50 am -
2 stops16h 00m
Deal found 8/8![Multiple Airlines logo]()
$1,723
This Priceline deal was found by Cheapflights users on 8/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:30 pm -
1 stop15h 25m
Fri 8/286:30 am -
2 stops19h 30m
Deal found 8/8![British Airways logo]()
$1,400
This Trip.com deal was found by Cheapflights users on 8/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:30 pm -
2 stops17h 05m
Fri 8/287:20 am -
2 stops20h 14m
Deal found 8/8![Multiple Airlines logo]()
$1,838
This Cathay Pacific deal was found by Cheapflights users on 8/9. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/297:00 am -
3 stops44h 10m
Sun 2/76:30 am -
3 stops37h 52m
Deal found 8/9![Multiple Airlines logo]()
$12,886
Last-minute flights from Portland to Northern IrelandDiscover last-minute flight deals from Portland to Northern Ireland. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Northern Ireland. Data last updated August 10, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/8. 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.
Tue 8/253:30 pm -
3 stops18h 30m
Fri 8/287:00 am -
3 stops34h 31m
Deal found 8/8![Multiple Airlines logo]()
$994
This Cheapflightsfares deal was found by Cheapflights users on 8/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:30 pm -
1 stop16h 10m
Fri 8/286:30 am -
1 stop19h 10m
Deal found 8/8![British Airways logo]()
$1,347
This Trip.com deal was found by Cheapflights users on 8/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:30 pm -
2 stops17h 05m
Fri 8/287:20 am -
2 stops20h 14m
Deal found 8/8![Multiple Airlines logo]()
$1,838
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Thu 9/103:30 pm -
2 stops22h 55m
Thu 9/248:40 pm -
3 stops29h 15m
Deal found 8/7![Multiple Airlines logo]()
$1,158
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 August 10, 2026.
Search for one-way flight options from Portland to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Thu 8/203:30 pm -
3 stops45h 45m
Deal found 8/7![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Wed 8/197:00 pm -
3 stops27h 50m
Deal found 8/7![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Fri 8/217:00 pm -
3 stops53h 50m
Deal found 8/7![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Thu 8/203:30 pm -
3 stops41h 50m
Deal found 8/7![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Fri 8/215:56 pm -
3 stops54h 19m
Deal found 8/7![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Wed 8/197:00 pm -
3 stops42h 05m
Deal found 8/7![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/183:30 pm -
3 stops39h 50m
Deal found 8/7![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/183:30 pm -
3 stops40h 00m
Deal found 8/7![Multiple Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Mon 8/171:48 pm -
3 stops35h 32m
Deal found 8/7![Multiple Airlines logo]()
$559
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:30 pm -
1 stop16h 20m
Deal found 8/7![British Airways logo]()
$562
This British Airways deal was found by Cheapflights users on 8/7. 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 8/177:30 pm -
1 stop15h 15m
Deal found 8/7![British Airways logo]()
$578
This FlightHub deal was found by Cheapflights users on 8/7. 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.
Tue 8/1812:24 pm -
2 stops18h 56m
Deal found 8/7![British Airways logo]()
$586
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 August 10, 2026.
Round-trip from | $908 (British Airways) |
|---|---|
One-way from | $387 (Kiwi.com) |
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 2,558,603 searches. Data last updated August 10, 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
Sun 1/31
5:45 pm-4:50 pm
1 stop15h 05m
Belfast City
Tue 2/2
4:55 pm-3:50 pm
1 stop30h 55m
$917
Quickest round-trip
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Fri 1/29
5:45 pm-2:15 pm
1 stop12h 30m
Belfast City
Sun 2/7
6:30 am-3:50 pm
1 stop17h 20m
$993
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Tue 10/27
8:35 am-10:30 am
2 stops18h 55m
Belfast City
Sun 11/1
8:25 pm-3:50 pm
1 stop27h 25m
$1,023
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Sun 11/15
8:00 am-10:20 am
2 stops18h 20m
Belfast City
Wed 11/18
9:15 am-3:50 pm
1 stop14h 35m
$1,132
PortlandBelfast
PDX Portland - BFS Belfast Intl
PDXBFS
Portland
Thu 9/10
3:30 pm-10:25 pm
2 stops22h 55m
Belfast Intl
Thu 9/24
8:40 pm-5:55 pm
3 stops29h 15m
$1,158
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Tue 8/25
7:30 pm-6:55 pm
1 stop15h 25m
Belfast City
Fri 8/28
6:30 am-6:00 pm
2 stops19h 30m
$1,400
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Tue 8/25
3:30 pm-6:00 pm
3 stops18h 30m
Belfast City
Fri 8/28
9:50 am-5:50 pm
2 stops16h 00m
$1,723
PortlandBelfast
PDX Portland - BFS Belfast Intl
PDXBFS
Portland
Tue 8/25
7:30 pm-8:35 pm
2 stops17h 05m
Belfast Intl
Fri 8/28
7:20 am-7:34 pm
2 stops20h 14m
$1,838
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Fri 1/29
7:00 am-11:10 am
3 stops44h 10m
Belfast City
Sun 2/7
6:30 am-12:22 pm
3 stops37h 52m
$12,886
Cheapest one-way
PortlandBelfast
PDX Portland - BFS Belfast Intl
PDXBFS
Portland
Fri 8/21
7:00 pm-8:50 am
3 stops53h 50m
$404
Showing 1-10 of 16 resultsSorted 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
PDX-BFS
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
PDX-BFS
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 August 10, 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
Boarding
7.0
Overall
6.7
Crew
7.7
Food
6.4
Comfort
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Entertainment
6.5
Boarding
7.0
Overall
6.7
Crew
7.7
Food
6.4
Comfort
6.8
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.
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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 August 10, 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 2,558,603 searches. Data last updated August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$776 | Average$1,346 | FlexibilityNo cancel fee | On-time70% |