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$955+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
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Cheap flight deals from Portland to Belfast

Cheapest flights from Portland to Belfast
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 May 21, 2026.

This American Airlines deal was found by Cheapflights users on 5/20. 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 10/17:30 pm
PDX
-
BHD
1 stop15h 55m
American Airlines
Thu 10/159:35 am
BHD
-
PDX
1 stop16h 05m
American Airlines
Deal found 5/20$955
This oojo deal was found by Cheapflights users on 5/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:30 pm
PDX
-
BHD
1 stop15h 55m
British Airways
Tue 8/257:30 pm
BHD
-
PDX
1 stop30h 10m
British Airways
Deal found 5/20$959
This American Airlines deal was found by Cheapflights users on 5/20. 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 10/11:31 pm
PDX
-
BHD
2 stops17h 59m
Multiple Airlines
Thu 10/1512:45 pm
BHD
-
PDX
2 stops18h 17m
Multiple Airlines
Deal found 5/20$969
This Iberia deal was found by Cheapflights users on 5/20. 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.
Mon 8/101:30 pm
PDX
-
BHD
2 stops18h 00m
Multiple Airlines
Tue 8/259:40 am
BHD
-
PDX
2 stops19h 56m
Multiple Airlines
Deal found 5/20$992
This Mytrip deal was found by Cheapflights users on 5/20. 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 10/13:30 pm
PDX
-
BFS
3 stops23h 30m
Multiple Airlines
Thu 10/155:15 pm
BFS
-
PDX
3 stops32h 40m
Multiple Airlines
Deal found 5/20$1,016
This British Airways deal was found by Cheapflights users on 5/17. 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 8/237:30 pm
PDX
-
BHD
1 stop14h 10m
British Airways
Wed 8/266:30 am
BHD
-
PDX
2 stops25h 26m
British Airways
Deal found 5/17$1,118
This Mytrip deal was found by Cheapflights users on 5/20. 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 7/110:10 am
PDX
-
BFS
3 stops26h 25m
Multiple Airlines
Thu 7/96:40 am
BFS
-
PDX
3 stops39h 10m
Multiple Airlines
Deal found 5/20$1,125
This American Airlines deal was found by Cheapflights users on 5/19. 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 7/17:30 pm
PDX
-
BHD
1 stop16h 20m
American Airlines
Thu 7/99:35 am
BHD
-
PDX
2 stops20h 15m
American Airlines
Deal found 5/19$1,138
This American Airlines deal was found by Cheapflights users on 5/19. 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 7/19:19 am
PDX
-
BHD
2 stops18h 41m
Multiple Airlines
Thu 7/99:35 am
BHD
-
PDX
2 stops20h 15m
Multiple Airlines
Deal found 5/19$1,142
This FlightHub deal was found by Cheapflights users on 5/20. 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 7/17:30 pm
PDX
-
BHD
1 stop16h 20m
British Airways
Thu 7/97:30 pm
BHD
-
PDX
2 stops36h 00m
British Airways
Deal found 5/20$1,153
This Delta deal was found by Cheapflights users on 5/18. 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 7/141:05 pm
PDX
-
BHD
1 stop19h 50m
Delta
Thu 7/235:30 pm
BHD
-
PDX
1 stop25h 40m
Delta
Deal found 5/18$1,172
This Mytrip deal was found by Cheapflights users on 5/20. 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 8/1010:10 am
PDX
-
BFS
3 stops25h 10m
Multiple Airlines
Tue 8/255:55 am
BFS
-
PDX
3 stops39h 55m
Multiple Airlines
Deal found 5/20$1,197

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 May 21, 2026.

Round-trip from

$955
(American Airlines)
From Portland to Belfast
Search Deals

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 2,558,603 searches. Data last updated May 21, 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

Price

Cheapest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Mon 8/10

7:30 pm-7:25 pm

1 stop15h 55m

Belfast City

Tue 8/25

7:30 pm-5:40 pm

1 stop30h 10m

$959
Quickest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 10/1

1:31 pm-3:30 pm

2 stops17h 59m

Belfast City

Thu 10/15

9:35 am-5:40 pm

1 stop16h 05m

$959

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Thu 10/1

3:30 pm-11:00 pm

3 stops23h 30m

Belfast Intl

Thu 10/15

5:15 pm-5:55 pm

3 stops32h 40m

$1,016

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 8/23

7:30 pm-5:40 pm

1 stop14h 10m

Belfast City

Wed 8/26

6:30 am-11:56 pm

2 stops25h 26m

$1,118

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Wed 7/1

10:10 am-8:35 pm

3 stops26h 25m

Belfast Intl

Thu 7/9

6:40 am-1:50 pm

3 stops39h 10m

$1,125

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 7/1

7:30 pm-7:50 pm

1 stop16h 20m

Belfast City

Thu 7/9

9:35 am-9:50 pm

2 stops20h 15m

$1,138

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 7/14

1:05 pm-9:20 am

1 stop12h 15m

Belfast City

Thu 7/23

5:30 pm-11:10 am

1 stop25h 40m

$1,172

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 7/14

3:00 pm-4:55 pm

2 stops17h 55m

Belfast City

Thu 7/23

5:30 pm-5:06 pm

2 stops31h 36m

$1,186

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Mon 8/10

10:10 am-7:20 pm

3 stops25h 10m

Belfast Intl

Tue 8/25

5:55 am-1:50 pm

3 stops39h 55m

$1,197

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Mon 6/15

3:30 pm-7:05 pm

2 stops19h 35m

Belfast Intl

Sun 6/21

6:00 pm-1:10 pm

2 stops27h 10m

$1,380

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

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.
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
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 May 21, 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.
British Airways
6.7
Okay
7,991 reviews

Crew

7.7

Food

6.4

Comfort

6.8

Entertainment

6.4

Boarding

6.9

Overall

6.7

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance
British Airways
6.7
Okay
7,991 reviews
British Airways
6.7
Okay
7,991 reviews

Crew

7.7

Food

6.4

Comfort

6.8

Entertainment

6.4

Boarding

6.9

Overall

6.7

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance

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.

  • What airport do you fly from for flights from Portland to Belfast?

    For a flight from Portland to Belfast, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 0 outbound flights to Belfast per day. 1 airline has flights to Belfast from Portland on a regular basis.

  • How long is the flight from Portland to Belfast?

    Airlines like British Airways fly from Portland to Belfast in about 15h 55m. The time it takes to get you to your destination can typically vary by up to . The distance between Portland and Belfast is about 4585 mi.

  • What is the cheapest airline to fly from Portland to Belfast round-trip?

    Flying on British Airways is currently your cheapest option to Belfast, with prices starting at $720.

  • Can I find deals for flights from Portland to Belfast that include hotel bookings?

    Yes. In addition to deals on Portland to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Belfast.

  • Can I find deals for business class flights from Portland to Belfast?

    Yes. Cheapflights offers flight deals from Portland to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Belfast by adding a car rental and/or hotel reservation to your travel itinerary.
Belfast car rentals
Belfast Intl Airport car rentals

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 2,558,603 searches. Data last updated May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$720Average$1,678FlexibilityNo cancel feeOn-time70%

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