PDX - BFS

$669 Find Cheap Flights from Portland to Belfast Intl Airport

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Belfast Intl departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Belfast, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Belfast, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Portland to Belfast Intl (PDX-BFS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Belfast Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Belfast Intl

Sat, Oct 4 - Tue, Oct 14
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3:20 pm - 11:25 pmPDX-BFS
24h 05m2 stops
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10:35 am - 5:55 pmBFS-PDX
39h 20m2 stops
Wed, Oct 15 - Sat, Oct 25
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3:20 pm - 3:15 pmPDX-BFS
15h 55m2 stops
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9:30 pm - 5:55 pmBFS-PDX
28h 25m2 stops
Sat, Oct 4 - Tue, Oct 14
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3:20 pm - 10:55 pmPDX-BFS
23h 35m2 stops
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6:15 am - 2:46 pmBFS-PDX
40h 31m3 stops
$1,013
Find Deal
Fri, Jul 25 - Fri, Aug 1
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3:20 pm - 10:35 pmPDX-BFS
23h 15m3 stops
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8:35 am - 9:30 amBFS-PDX
32h 55m3 stops
$1,072
Find Deal
Fri, Jul 25 - Fri, Aug 1
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3:20 pm - 9:10 pmPDX-BFS
21h 50m2 stops
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8:35 am - 9:30 amBFS-PDX
32h 55m3 stops
$1,141
Find Deal
Fri, Jul 25 - Fri, Aug 1
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3:20 pm - 9:10 pmPDX-BFS
21h 50m2 stops
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4:40 pm - 5:55 pmBFS-PDX
33h 15m2 stops
$1,232
Find Deal
Sat, Oct 4 - Tue, Oct 14
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3:20 pm - 11:05 pmPDX-BFS
23h 45m2 stops
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7:25 am - 5:35 pmBFS-PDX
18h 10m1 stop
$1,463
Find Deal
Mon, Jul 14 - Thu, Jul 17
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3:20 pm - 10:25 pmPDX-BFS
23h 05m2 stops
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6:10 am - 5:55 pmBFS-PDX
19h 45m2 stops
$1,711
Find Deal
Mon, Jul 14 - Thu, Jul 17
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7:25 pm - 11:00 pmPDX-BFS
19h 35m1 stop
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6:35 am - 5:35 pmBFS-PDX
19h 00m1 stop
$3,277
Find Deal
Useful Info

Good to know

Cheapest flight$669
Flight from Portland to Belfast Intl Airport

When to book flights from Portland to Belfast Intl

Are your dates flexible? Find out the best times to travel from Portland to Belfast Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Portland to Belfast Intl Airport flights

  • What is the cheapest flight from Portland to Belfast Intl Airport?

    In the last 3 days, the lowest price for a flight from Portland to Belfast Intl Airport was $669 for a round-trip ticket.

  • Do I need a passport to fly between Portland and Belfast Intl Airport?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Portland and on arrival in Belfast Intl Airport.

  • Which aircraft models fly most regularly from Portland to Belfast Intl Airport?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Portland to Belfast Intl Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Belfast Intl Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Belfast Intl Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast Intl Airport from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Belfast Intl Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belfast Intl Airport with an airline and back to Portland with another airline. Booking your flights between Portland and BFS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Belfast Intl Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast Intl Airport from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top airlines flying from Portland to Belfast Intl

 
See real verified KAYAK customer reviews for airlines flying from Portland to Belfast. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Belfast Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
American AirlinesOverall score based on 10000 reviews
6.9Entertainment
7.5Boarding
7.2Comfort
6.5Food
8.0Crew
Airline reviews

Flight was full, and would have preferred an aisle seat, but due to getting a late ticket ,the seat I had was adequate. The flight crew were very help full and hard working. Food and drink were excellent for the 11hr flight. Overall I was pleased with flight, and would recommend British Airways again.

10.0 ExcellentBrian, Jun 2025SAN - LHR
Read more American Airlines reviews

Flight was full, and would have preferred an aisle seat, but due to getting a late ticket ,the seat I had was adequate. The flight crew were very help full and hard working. Food and drink were excellent for the 11hr flight. Overall I was pleased with flight, and would recommend British Airways again.

More choices on menu. Seemed only thing offered was Scottish, and while that’s good for the Scot’s it doesn’t help the Americans who don’t like that food. And I really hate it when, during sleep time the attendants have a very loud conversation right over you. Lastly, I paid 5000 dollars for business class, and having to pay more to choose my seat early is really an insult. Seems greedy

More choices on menu. Seemed only thing offered was Scottish, and while that’s good for the Scot’s it doesn’t help the Americans who don’t like that food. And I really hate it when, during sleep time the attendants have a very loud conversation right over you

The chicken adobo was a little too spicy but good otherwise. My personal opinion. Movie selection could be improved, too many horror movies. Could add a few more chick flicks! The flight was bumpy at times. We arrived a little early too! Flight attendants friendly.

Again flight was awesome except British Airways lost both gate checked luggage’s. Still missing

DFW-LHR Toilets not kept clean Too cramped. Aisles so narrow crew were constantly banging into people on the aisle seats. Even then, the carts used are reduced width. Other than that it was a decent flight on both legs

really bad they refused to check in luggages that I had purchased, even showing them the transaction receipt from british airways app the staff in miami was MEDIOCRE

Crew was great and responsive. Entertainment quit working with about 4 hours remaining on the flight. My seat cushion was broken.

Not very good , the stewardess were unfriendly and they don't like to be bothered. Cos was a night flight and they need to sleep.

British Airways staff are very polite and willing to help.

The payment system was not working so was unable to connect wifi the entire flight

everything to do with KAYAK was terrible. Your customer facing departments are utterly useless, timewasting and unhelpful.

I ordered short ribs for main course. It tasted sweet, really sweet. Horrible.

The screen didn’t work and I didn’t get the seat upgrade I paid $300 for. They were no help with that,

Paid $180 for seat selection, and selection essnt honored. Have to call for a refund.

My flights were great and the crew on them was lovely especially the London to Barcelona flight as Al & AJ were so amazingly nice. I wish they would be my crew always as they have the best customer service. Sadly both flights were delayed the first one from Vegas was because they clearly loaded the cargo wrong the plane was off balance making us 2 hours late. This made me miss my connection and sadly it was challenging rebooking while I was on the flight. I will never use Kayak again as there was no customer service number or live chat and you rebooked me on a flight 2 days later. I had my mom call BA to change it which she did after spending an hour on hold. This should not be so difficult. My second flight was an hour delayed due to not being able to disconnect the bridge from the plane but I did finally make it home.

The delay was not communicated via text and the person who helped with check in also didn’t inform me about the delay. I ended up missing my connection and it was a waste of 5 hours. The crew didn’t mention there would be someone at the gate informing of if I would be rebooked and there was no signage. Overall a very poor experience. The British Airways app was also very buggy, and didn’t work. I will avoid flying with British Airways when possible.

A little better than outward journey but mild chaos at the boarding gate because some people with boarding cards from connecting flights had cards which weren't recognised

The BA business class cabin is excellent,very comfortable for sleeping but the service could be improved.

Surly rude flight attendants. I ordered the chicken and was given a vegetarian meal with no explanation and no opportunity to change it. I tried to order another beverage and was told by the young humorless flight attendant to “wait”. And she never came back. The seats were very uncomfortable and cramped. The last time I flew British Airways was many years ago but I remember it was amazing and the crew were very charming. This was a terrible disappointment given the cost of the flight.

Everything you need to know for your flight from Portland to Belfast Intl

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