$328+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
Dec 5 — Dec 121
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
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 Belfast
Cheapest
Best
Last-minute
One-way
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 November 5, 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 November 5, 2026.
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 11/305:45 pm -
1 stop16h 50m
Tue 12/83:05 pm -
1 stop32h 45m
Deal found 11/2![American Airlines logo]()
$969
This Mytrip deal was found by Cheapflights users on 11/2. 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 11/302:45 pm -
2 stops34h 25m
Tue 12/85:15 pm -
2 stops31h 45m
Deal found 11/2![Multiple Airlines logo]()
$997
This American Airlines deal was found by Cheapflights users on 11/1. 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 12/228:00 am -
2 stops19h 30m
Wed 1/66:35 am -
2 stops24h 04m
Deal found 11/1![American Airlines logo]()
$1,750
This Mytrip deal was found by Cheapflights users on 11/1. 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 12/2210:28 pm -
3 stops34h 17m
Wed 1/65:05 pm -
3 stops31h 55m
Deal found 11/1![Multiple Airlines logo]()
$1,852
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 November 5, 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 November 5, 2026.
This British Airways deal was found by Cheapflights users on 10/31. 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 10/31![British Airways logo]()
$899
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 11/305:45 pm -
1 stop12h 30m
Tue 12/86:35 am -
2 stops21h 20m
Deal found 11/2![American Airlines logo]()
$975
This Mytrip deal was found by Cheapflights users on 11/2. 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 11/302:45 pm -
3 stops34h 25m
Tue 12/85:15 pm -
3 stops31h 45m
Deal found 11/2![Multiple Airlines logo]()
$1,026
Last-minute flights from Portland to BelfastDiscover last-minute flight deals from Portland to Belfast. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Belfast. Data last updated November 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 11/305:45 pm -
1 stop16h 50m
Tue 12/83:05 pm -
1 stop32h 45m
Deal found 11/2![American Airlines logo]()
$969
This Mytrip deal was found by Cheapflights users on 11/2. 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 11/302:45 pm -
2 stops34h 25m
Tue 12/85:15 pm -
2 stops31h 45m
Deal found 11/2![Multiple Airlines logo]()
$997
This American Airlines deal was found by Cheapflights users on 11/1. 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 12/228:00 am -
2 stops19h 30m
Wed 1/66:35 am -
2 stops24h 04m
Deal found 11/1![American Airlines logo]()
$1,750
This Mytrip deal was found by Cheapflights users on 11/1. 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 12/2210:28 pm -
3 stops34h 17m
Wed 1/65:05 pm -
3 stops31h 55m
Deal found 11/1![Multiple Airlines logo]()
$1,852
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 November 5, 2026.
Search for one-way flight options from Portland to Belfast. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This FlightHub deal was found by Cheapflights users on 10/31. 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 3/161:37 pm -
2 stops20h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![British Airways logo]()
$328
This Ovago deal was found by Cheapflights users on 10/31. 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 3/167:02 am -
3 stops22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$564
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/245:50 pm -
3 stops31h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$666
This British Airways deal was found by Cheapflights users on 11/2. 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.
Fri 12/255:45 pm -
1 stop15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![British Airways logo]()
$692
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/239:22 pm -
3 stops52h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$710
This Delta deal was found by Cheapflights users on 11/2. 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.
Thu 12/245:30 am -
2 stops43h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$715
This Delta deal was found by Cheapflights users on 11/2. 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 12/234:15 pm -
2 stops56h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$727
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/257:00 am -
3 stops29h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$729
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 12/235:45 pm -
1 stop15h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![British Airways logo]()
$741
This Delta deal was found by Cheapflights users on 11/2. 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 12/2210:25 pm -
2 stops34h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$788
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 November 5, 2026.
Round-trip from | $876 (Expedia) |
|---|---|
One-way from | $328 (FlightHub) |
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 November 5, 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 - BHD Belfast City
PDXBHD
Portland
Tue 3/16
7:02 am-12:55 pm
3 stops22h 53m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$564
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Thu 12/24
5:50 pm-9:30 am
3 stops31h 40m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$666
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Fri 12/25
5:45 pm-5:25 pm
1 stop15h 40m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$692
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Thu 12/24
5:30 am-9:10 am
2 stops43h 40m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$715
Quickest round-trip
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Wed 12/23
5:45 pm-4:55 pm
1 stop15h 10m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$741
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Tue 12/22
10:25 pm-4:45 pm
2 stops34h 20m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$788
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
$899
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Mon 12/21
2:30 pm-7:15 am
3 stops32h 45m
Belfast City
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$952
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Mon 11/30
5:45 pm-2:15 pm
1 stop12h 30m
Belfast City
Tue 12/8
6:35 am-7:55 pm
2 stops21h 20m
$975
PortlandBelfast
PDX Portland - BHD Belfast City
PDXBHD
Portland
Mon 11/30
2:45 pm-9:10 am
3 stops34h 25m
Belfast City
Tue 12/8
5:15 pm-5:00 pm
3 stops31h 45m
$1,026
Sorted 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-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-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 November 5, 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.
Overall
6.7
Crew
7.7
Comfort
6.8
Entertainment
6.5
Boarding
7.0
Food
6.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Overall
6.7
Crew
7.7
Comfort
6.8
Entertainment
6.5
Boarding
7.0
Food
6.4
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 November 5, 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 November 5, 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$776 | Average$1,316 | FlexibilityNo cancel fee | On-time70% |