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Cheap flights from Oregon to Belfast from $387

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Belfast departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:30 pm - 10:25 pmPDX  Portland-BFS Belfast Intl
22h 55m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
Multiple Airlines Logo
8:40 pm - 5:55 pmBFS  Belfast Intl-PDX Portland
29h 15m3 stops London Stansted Stockholm Arlanda Reykjavik Keflavik Intl
$1,158Multiple Airlines
Thu, Sep 10 - Thu, Sep 24
Multiple Airlines Logo
3:30 pm - 10:25 pmPDX  Portland-BFS Belfast Intl
22h 55m3 stops Reykjavik Keflavik Intl Oslo Gardermoen Amsterdam Schiphol
Multiple Airlines Logo
8:40 pm - 5:55 pmBFS  Belfast Intl-PDX Portland
29h 15m3 stops London Stansted Stockholm Arlanda Reykjavik Keflavik Intl
$1,172Multiple Airlines
Thu, Sep 10 - Thu, Sep 24
Multiple Airlines Logo
3:30 pm - 10:50 pmPDX  Portland-BFS Belfast Intl
23h 20m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
Multiple Airlines Logo
8:40 pm - 5:55 pmBFS  Belfast Intl-PDX Portland
29h 15m3 stops London Stansted Stockholm Arlanda Reykjavik Keflavik Intl
$1,318Multiple Airlines
Thu, Sep 10 - Thu, Sep 24
Multiple Airlines Logo
11:48 am - 8:35 pmPDX  Portland-BFS Belfast Intl
24h 47m3 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
8:40 pm - 5:55 pmBFS  Belfast Intl-PDX Portland
29h 15m3 stops London Stansted Stockholm Arlanda Reykjavik Keflavik Intl
$1,583Multiple Airlines
Thu, Sep 10 - Thu, Sep 24
Multiple Airlines Logo
7:30 pm - 8:35 pmPDX  Portland-BFS Belfast Intl
17h 05m2 stops London Heathrow Edinburgh Turnhouse
Multiple Airlines Logo
7:20 am - 7:34 pmBFS  Belfast Intl-PDX Portland
20h 14m2 stops Edinburgh Turnhouse Philadelphia
$1,838Multiple Airlines
Tue, Aug 25 - Fri, Aug 28

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Customize your flight search to find flights from Oregon to Belfast Intl Airport 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, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Oregon to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Thu 9/10

3:30 pm-10:25 pm

2 stops22h 55m

Belfast Intl

Thu 9/24

8:40 pm-5:55 pm

3 stops29h 15m

$1,158

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Thu 9/10

3:30 pm-10:25 pm

3 stops22h 55m

Belfast Intl

Thu 9/24

8:40 pm-5:55 pm

3 stops29h 15m

$1,172

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Thu 9/10

3:30 pm-10:50 pm

2 stops23h 20m

Belfast Intl

Thu 9/24

8:40 pm-5:55 pm

3 stops29h 15m

$1,318

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Thu 9/10

11:48 am-8:35 pm

3 stops24h 47m

Belfast Intl

Thu 9/24

8:40 pm-5:55 pm

3 stops29h 15m

$1,583
Quickest round-trip

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Tue 8/25

7:30 pm-8:35 pm

2 stops17h 05m

Belfast Intl

Fri 8/28

7:20 am-7:34 pm

2 stops20h 14m

$1,838
Cheapest one-way

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Thu 8/20

3:30 pm-9:15 pm

3 stops45h 45m

$387

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Wed 8/19

7:00 pm-6:50 am

3 stops27h 50m

$391

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Fri 8/21

7:00 pm-8:50 am

3 stops53h 50m

$404

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Tue 8/18

3:30 pm-3:20 pm

3 stops39h 50m

$472

PortlandBelfast

PDX Portland - BFS Belfast Intl

PDXBFS

Portland

Wed 8/19

7:00 pm-7:50 am

2 stops28h 50m

$537

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Cheap Oregon to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Belfast Intl Airport

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from Oregon to Belfast Intl Airport takes 12h 30m
There are no direct flights from Oregon to Belfast Intl Airport. There are no popular flight routes from Oregon to Belfast Intl Airport.
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Frequently asked questions about flying from Oregon to Belfast Intl Airport

  • When did momondo last update prices for flights from Oregon to Belfast Intl Airport?

    Prices for flights from Oregon to Belfast Intl Airport were last updated today.

  • How many operators does momondo search for flights from Oregon to Belfast Intl Airport?

  • How old do you have to be to fly from Oregon to Belfast Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The required travel and health documents for your Belfast Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Oregon to Belfast Intl Airport

Compare and see reviews for airlines that fly from Oregon to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $776Free CancellationRating
6.7
8,153 reviews
Search British Airways flights

Frequently asked questions about flying from Oregon to Belfast Intl Airport

  • How do I get Price Alerts for flights from Oregon to Belfast Intl Airport?

    Confirm your travel details to search for the latest offers for flights from Oregon to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Oregon to Belfast Intl Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Armagh
Ballymena
Newry
Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Belfast?

Finding the right flight to Belfast from Oregon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

Can I find flights from Oregon to Belfast with flexible booking policies on momondo?

Flights from Oregon to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Oregon to Belfast?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oregon to Belfast.

I’m not ready to book a flight from Oregon to Belfast right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Oregon to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Belfast Intl Airport trip

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