$393+ Cheap flights from Portland (PDX) to Belfast
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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Belfast 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
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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 Belfast
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Cheapest flights from Portland to BelfastExplore the most affordable flight options available from Portland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from Portland to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am -
2 stops19h 20m
Wed 10/145:30 pm -
1 stop25h 40m
Deal found 9/9![Delta logo]()
$826
This KLM deal was found by Cheapflights users on 9/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:05 pm -
1 stop12h 15m
Wed 10/145:30 pm -
1 stop25h 40m
Deal found 9/9![KLM logo]()
$871
This Air France deal was found by Cheapflights users on 9/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:05 pm -
1 stop20h 40m
Fri 11/69:40 am -
2 stops20h 09m
Deal found 9/9![Multiple Airlines logo]()
$881
This KLM deal was found by Cheapflights users on 9/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:00 pm -
2 stops19h 45m
Fri 11/69:40 am -
2 stops20h 09m
Deal found 9/9![KLM logo]()
$885
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:30 pm -
1 stop15h 15m
Wed 10/1410:05 am -
1 stop15h 35m
Deal found 9/9![British Airways logo]()
$908
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:30 pm -
2 stops17h 10m
Wed 10/1411:35 am -
2 stops20h 24m
Deal found 9/9![Multiple Airlines logo]()
$936
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:45 pm -
1 stop15h 00m
Fri 11/68:35 am -
1 stop15h 15m
Deal found 9/9![British Airways logo]()
$955
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Mon 10/263:45 pm -
3 stops21h 25m
Mon 11/28:45 pm -
3 stops44h 41m
Deal found 9/10![Multiple Airlines logo]()
$967
This Iberia deal was found by Cheapflights users on 9/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:30 pm -
1 stop15h 15m
Wed 10/146:30 am -
2 stops20h 59m
Deal found 9/9![Multiple Airlines logo]()
$983
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:30 pm -
2 stops22h 55m
Fri 11/67:45 am -
2 stops17h 15m
Deal found 9/9![Multiple Airlines logo]()
$1,159
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:10 am -
3 stops22h 00m
Wed 10/147:35 am -
2 stops18h 20m
Deal found 9/9![Multiple Airlines logo]()
$1,545
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:10 am -
3 stops28h 15m
Wed 10/147:35 am -
2 stops18h 20m
Deal found 9/9![Multiple Airlines logo]()
$1,653
Best flights from Portland to BelfastDiscover carefully curated flight deals from Portland to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Portland to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am -
2 stops19h 20m
Wed 10/145:30 pm -
1 stop25h 40m
Deal found 9/9![Delta logo]()
$826
This KLM deal was found by Cheapflights users on 9/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:05 pm -
1 stop12h 15m
Wed 10/145:30 pm -
1 stop25h 40m
Deal found 9/9![KLM logo]()
$871
This Air France deal was found by Cheapflights users on 9/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:05 pm -
1 stop20h 40m
Fri 11/69:40 am -
2 stops20h 09m
Deal found 9/9![Multiple Airlines logo]()
$881
This KLM deal was found by Cheapflights users on 9/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:00 pm -
2 stops19h 45m
Fri 11/69:40 am -
2 stops20h 09m
Deal found 9/9![KLM logo]()
$885
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Mon 10/263:45 pm -
2 stops22h 30m
Mon 11/26:30 am -
2 stops18h 30m
Deal found 9/10![Multiple Airlines logo]()
$1,049
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:48 pm -
2 stops18h 57m
Wed 10/146:30 am -
2 stops21h 11m
Deal found 9/9![Multiple Airlines logo]()
$1,107
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:30 pm -
2 stops22h 55m
Fri 11/67:45 am -
2 stops17h 15m
Deal found 9/9![Multiple Airlines logo]()
$1,159
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:10 am -
3 stops28h 15m
Wed 10/147:35 am -
2 stops18h 20m
Deal found 9/9![Multiple Airlines logo]()
$1,653
Last-minute flights from Portland to BelfastDiscover last-minute flight deals from Portland to Belfast. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Belfast. Data last updated September 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am -
2 stops19h 20m
Wed 10/145:30 pm -
1 stop25h 40m
Deal found 9/9![Delta logo]()
$826
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:30 pm -
1 stop15h 15m
Wed 10/1410:05 am -
1 stop15h 35m
Deal found 9/9![British Airways logo]()
$908
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:30 pm -
2 stops17h 10m
Wed 10/1411:35 am -
2 stops20h 24m
Deal found 9/9![Multiple Airlines logo]()
$936
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:10 am -
3 stops22h 00m
Wed 10/147:35 am -
2 stops18h 20m
Deal found 9/9![Multiple Airlines logo]()
$1,545
This KLM deal was found by Cheapflights users on 9/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:05 pm -
1 stop12h 15m
Wed 10/145:30 pm -
1 stop25h 40m
Deal found 9/9![KLM logo]()
$871
This Iberia deal was found by Cheapflights users on 9/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:30 pm -
1 stop15h 15m
Wed 10/146:30 am -
2 stops20h 59m
Deal found 9/9![Multiple Airlines logo]()
$983
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:10 am -
3 stops28h 15m
Wed 10/147:35 am -
2 stops18h 20m
Deal found 9/9![Multiple Airlines logo]()
$1,653
This Air France deal was found by Cheapflights users on 9/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:05 pm -
1 stop20h 40m
Fri 11/69:40 am -
2 stops20h 09m
Deal found 9/9![Multiple Airlines logo]()
$881
This KLM deal was found by Cheapflights users on 9/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:00 pm -
2 stops19h 45m
Fri 11/69:40 am -
2 stops20h 09m
Deal found 9/9![KLM logo]()
$885
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:45 pm -
1 stop15h 00m
Fri 11/68:35 am -
1 stop15h 15m
Deal found 9/9![British Airways logo]()
$955
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:30 pm -
2 stops22h 55m
Fri 11/67:45 am -
2 stops17h 15m
Deal found 9/9![Multiple Airlines logo]()
$1,159
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Mon 10/263:45 pm -
3 stops21h 25m
Mon 11/28:45 pm -
3 stops44h 41m
Deal found 9/10![Multiple Airlines logo]()
$967
One-way flights from Portland to BelfastSearch for one-way flight options from Portland to Belfast. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Portland to Belfast. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:33 pm -
3 stops34h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:33 pm -
3 stops39h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$443
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:30 pm -
1 stop15h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![British Airways logo]()
$487
Find flight deals from Portland to Belfast
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 13, 2026.
Round-trip from | $826 (Delta) |
|---|---|
One-way from | $393 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Belfast 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 13, 2026.
Use the filters below to find and compare flights from Portland to Belfast that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBelfast
PDX Portland - BFS Belfast Intl
PDXBFS
Portland
Thu 10/8
9:33 pm-4:30 pm
3 stops34h 57m
Belfast Intl
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$393
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Thu 10/8
9:33 pm-8:50 pm
3 stops39h 17m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$443
Quickest round-trip
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Thu 10/8
7:30 pm-6:45 pm
1 stop15h 15m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$487
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Wed 10/7
6:00 am-9:20 am
2 stops19h 20m
Belfast City
Wed 10/14
5:30 pm-11:10 am
1 stop25h 40m
$826
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Thu 10/8
1:05 pm-9:20 am
1 stop12h 15m
Belfast City
Wed 10/14
5:30 pm-11:10 am
1 stop25h 40m
$871
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Sat 10/24
1:05 pm-5:45 pm
1 stop20h 40m
Belfast City
Fri 11/6
9:40 am-9:49 pm
2 stops20h 09m
$881
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Sat 10/24
2:00 pm-5:45 pm
2 stops19h 45m
Belfast City
Fri 11/6
9:40 am-9:49 pm
2 stops20h 09m
$885
PortlandBelfast
PDX Portland - BFS Belfast Intl
PDXBFS
Portland
Mon 10/26
3:45 pm-9:15 pm
2 stops22h 30m
Belfast Intl
Mon 11/2
6:30 am-5:00 pm
2 stops18h 30m
$1,049
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Thu 10/8
3:48 pm-6:45 pm
2 stops18h 57m
Belfast City
Wed 10/14
6:30 am-7:41 pm
2 stops21h 11m
$1,107
PortlandBelfast
PDX Portland - BFS Belfast Intl
PDXBFS
Portland
Sat 10/24
3:30 pm-10:25 pm
2 stops22h 55m
Belfast Intl
Fri 11/6
7:45 am-5:00 pm
2 stops17h 15m
$1,159
Showing 1-10 of 11 resultsSorted by cheapest first
Best time to book a flight from Portland to Belfast
Have a flexible travel schedule? Discover the best time to fly to Belfast from Portland with our price prediction graph.
PDX-BF1
PDX-BFS
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 Belfast
PDX-BF1
PDX-BFS
PDX-BHD
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Belfast
Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated September 13, 2026.
Peruse reviews from past customers who have flown with British Airways from Portland to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.0
Food
6.4
Overall
6.7
Comfort
6.8
Crew
7.7
Entertainment
6.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Boarding
7.0
Food
6.4
Overall
6.7
Comfort
6.8
Crew
7.7
Entertainment
6.5
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 Belfast. 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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Complete your trip
Complete your trip to Belfast by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Belfast by cabin class
Find flights from Portland to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Belfast flights
Browse other Portland and Belfast flight options. Last updated on September 13, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Portland to Belfast
Discover the top airline that operate flights from Portland to Belfast. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$776 | Average$1,316 | FlexibilityNo cancel fee | On-time70% |