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$645+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BHD
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap 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 septiembre 15, 2025.

Round-trip from

$645
(Finnair)
From Portland to Belfast
Search Deals

Find 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 septiembre 15, 2025.

This Finnair deal was found by Cheapflights users on 9/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/131:26 pmPDX - BHD
2 stops16h 34mMultiple Airlines
jue. 11/2011:05 amBHD - PDX
2 stops19h 47mMultiple Airlines
Deal found 9/13$645
This American Airlines deal was found by Cheapflights users on 9/13. 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.
mié. 10/110:59 amPDX - BHD
2 stops16h 56mMultiple Airlines
mié. 10/86:50 amBHD - PDX
2 stops19h 06mMultiple Airlines
Deal found 9/13$660
This Trip.com deal was found by Cheapflights users on 9/13. 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.
mar. 10/287:12 amPDX - BFS
2 stops23h 13mMultiple Airlines
mar. 11/48:55 pmBFS - PDX
2 stops47h 11mMultiple Airlines
Deal found 9/13$681
This Delta deal was found by Cheapflights users on 9/13. 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.
mié. 10/81:30 pmPDX - BHD
2 stops23h 45mDelta
dom. 10/126:30 amBHD - PDX
1 stop12h 30mDelta
Deal found 9/13$726
This Delta deal was found by Cheapflights users on 9/13. 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.
mié. 10/11:20 pmPDX - BHD
2 stops19h 35mDelta
mié. 10/86:30 amBHD - PDX
1 stop12h 50mDelta
Deal found 9/13$905
This Ovago deal was found by Cheapflights users on 9/14. 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.
mié. 10/87:00 amPDX - BHD
2 stops20h 55mBritish Airways
dom. 10/126:50 amBHD - PDX
2 stops22h 47mBritish Airways
Deal found 9/14$974
This KLM deal was found by Cheapflights users on 9/14. 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.
mié. 10/81:15 pmPDX - BHD
1 stop24h 00mKLM
dom. 10/126:30 amBHD - PDX
1 stop12h 30mKLM
Deal found 9/14$1,000
This Ovago deal was found by Cheapflights users on 9/13. 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.
mié. 10/17:25 pmPDX - BHD
1 stop29h 20mBritish Airways
mié. 10/811:30 amBHD - PDX
1 stop14h 05mBritish Airways
Deal found 9/13$1,003
This Orbitz deal was found by Cheapflights users on 9/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/267:00 amPDX - BHD
2 stops23h 55mMultiple Airlines
lun. 10/277:25 pmBHD - PDX
2 stops33h 22mMultiple Airlines
Deal found 9/13$1,016

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 septiembre 15, 2025.
Use the filters below to find and compare flights from Portland to Belfast that are best for you.

Fly from

Portland

Fly to

Belfast

Route

Depart

Return

Price

PortlandBelfast

PDX - BHD

PDXBHD

Portland

jue. 11/13

1:26 pm-2:00 pm

2 stops16h 34m

Belfast City

jue. 11/20

11:05 am-10:52 pm

2 stops19h 47m

$645

PortlandBelfast

PDX - BFS

PDXBFS

Portland

mar. 10/28

7:12 am-1:25 pm

2 stops23h 13m

Belfast Intl

mar. 11/4

8:55 pm-12:06 pm

2 stops47h 11m

$681

PortlandBelfast

PDX - BHD

PDXBHD

Portland

mié. 10/8

1:30 pm-9:15 pm

2 stops23h 45m

Belfast City

dom. 10/12

6:30 am-11:00 am

1 stop12h 30m

$726

PortlandBelfast

PDX - BHD

PDXBHD

Portland

mié. 10/1

1:20 pm-4:55 pm

2 stops19h 35m

Belfast City

mié. 10/8

6:30 am-11:20 am

1 stop12h 50m

$905

PortlandBelfast

PDX - BHD

PDXBHD

Portland

mié. 10/8

7:00 am-11:55 am

2 stops20h 55m

Belfast City

dom. 10/12

6:50 am-9:37 pm

2 stops22h 47m

$974

PortlandBelfast

PDX - BHD

PDXBHD

Portland

mié. 10/8

1:15 pm-9:15 pm

1 stop24h 00m

Belfast City

dom. 10/12

6:30 am-11:00 am

1 stop12h 30m

$1,000

PortlandBelfast

PDX - BHD

PDXBHD

Portland

dom. 10/26

7:00 am-1:55 pm

2 stops23h 55m

Belfast City

lun. 10/27

7:25 pm-9:47 pm

2 stops33h 22m

$1,016

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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

What is the cheapest time of day to fly from PDX to BFS?

Find hourly flight availability from Portland to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

It’s optimal to fly from Portland to Belfast at noon. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the morning.

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 septiembre 15, 2025.
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
7,361 reviews

Entertainment

6.4

Boarding

6.9

Crew

7.6

Food

6.3

Overall

6.7

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,361 reviews
British Airways
6.7
Okay
7,361 reviews

Entertainment

6.4

Boarding

6.9

Crew

7.6

Food

6.3

Overall

6.7

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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 Delta fly from Portland to Belfast in about 23h 45m. 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 $659.

  • 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.

  • What is the cheapest month to book a flight from Portland to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Portland to Belfast (average of $657). Flying from Portland to Belfast in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Belfast Intl flights
Portland to Belfast City flights

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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$659Average$838FlexibilityNo cancel feeOn-time70%

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