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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.
British Airways Logo
5:45 pm - 6:40 pmPDX  Portland-BHD Belfast City
16h 55m1 stop London Heathrow
British Airways Logo
9:15 am - 3:50 pmBHD  Belfast City-PDX Portland
14h 35m1 stop London Heathrow
$908British Airways
Sun, Nov 15 - Wed, Nov 18
British Airways Logo
5:45 pm - 6:40 pmPDX  Portland-BHD Belfast City
16h 55m1 stop London Heathrow
British Airways Logo
6:35 am - 3:50 pmBHD  Belfast City-PDX Portland
17h 15m1 stop London Heathrow
$909British Airways
Sun, Nov 15 - Wed, Nov 18
British Airways Logo
5:45 pm - 4:50 pmPDX  Portland-BHD Belfast City
15h 05m1 stop London Heathrow
British Airways Logo
4:55 pm - 3:50 pmBHD  Belfast City-PDX Portland
30h 55m1 stop London Heathrow
$917British Airways
Sun, Jan 31 - Tue, Feb 2
British Airways Logo
1:12 pm - 4:45 pmPDX  Portland-BHD Belfast City
19h 33m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
6:00 pm - 3:50 pmBHD  Belfast City-PDX Portland
29h 50m1 stop London Heathrow
$991British Airways
Sat, Jan 23 - Sat, Jan 30
British Airways Logo
5:45 pm - 2:15 pmPDX  Portland-BHD Belfast City
12h 30m1 stop London Heathrow
British Airways Logo
6:30 am - 3:50 pmBHD  Belfast City-PDX Portland
17h 20m1 stop London Heathrow
$993British Airways
Fri, Jan 29 - Sun, Feb 7
Multiple Airlines Logo
3:30 pm - 6:00 pmPDX  Portland-BHD Belfast City
18h 30m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse
Multiple Airlines Logo
7:00 am - 9:31 amBHD  Belfast City-PDX Portland
34h 31m3 stops Edinburgh Turnhouse Toronto Pearson Intl Vancouver Intl
$994Multiple Airlines
Tue, Aug 25 - Fri, Aug 28
American Airlines Logo
1:12 pm - 2:15 pmPDX  Portland-BHD Belfast City
17h 03m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
6:30 am - 3:50 pmBHD  Belfast City-PDX Portland
17h 20m1 stop London Heathrow
$1,019American Airlines
Fri, Jan 29 - Sun, Feb 7
American Airlines Logo
1:12 pm - 2:15 pmPDX  Portland-BHD Belfast City
17h 03m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
6:30 am - 3:50 pmBHD  Belfast City-PDX Portland
17h 20m1 stop London Heathrow
$1,020American Airlines
Fri, Jan 29 - Sun, Feb 7
Multiple Airlines Logo
1:12 pm - 5:15 pmPDX  Portland-BHD Belfast City
20h 03m2 stops Chicago O'Hare Intl London Heathrow
Multiple Airlines Logo
12:10 pm - 12:10 amBHD  Belfast City-PDX Portland
20h 00m2 stops London Heathrow Seattle/Tacoma Intl
$1,029Multiple Airlines
Fri, Jan 29 - Sun, Feb 7
Multiple Airlines Logo
1:12 pm - 5:15 pmPDX  Portland-BHD Belfast City
20h 03m2 stops Chicago O'Hare Intl London Heathrow
Multiple Airlines Logo
12:10 pm - 12:10 amBHD  Belfast City-PDX Portland
20h 00m2 stops London Heathrow Seattle/Tacoma Intl
$1,030Multiple Airlines
Fri, Jan 29 - Sun, Feb 7

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British Airways flights from Oregon to Belfast

Our best British Airways deals on Oregon to Belfast flight tickets
British Airways
Nov 15
PDX5:45 pmPortland
16h 55m
1 stop
BHD6:40 pmBelfast City
Nov 18
BHD9:15 amBelfast City
14h 35m
1 stop
PDX3:50 pmPortland
$908
British Airways
Nov 15
PDX5:45 pmPortland
16h 55m
1 stop
BHD6:40 pmBelfast City
Nov 18
BHD6:35 amBelfast City
17h 15m
1 stop
PDX3:50 pmPortland
$909
British Airways
Jan 31
PDX5:45 pmPortland
15h 05m
1 stop
BHD4:50 pmBelfast City
Feb 2
BHD4:55 pmBelfast City
30h 55m
1 stop
PDX3:50 pmPortland
$917

American Airlines flights from Oregon to Belfast

Our best American Airlines deals on Oregon to Belfast flight tickets
American Airlines
Jan 29
PDX1:12 pmPortland
17h 03m
2 stops
BHD2:15 pmBelfast City
Feb 7
BHD6:30 amBelfast City
17h 20m
1 stop
PDX3:50 pmPortland
$1,019
American Airlines
Jan 29
PDX1:12 pmPortland
17h 03m
2 stops
BHD2:15 pmBelfast City
Feb 7
BHD6:30 amBelfast City
17h 20m
1 stop
PDX3:50 pmPortland
$1,020

momondo Fare Finder

 
Customize your flight search to find flights from Oregon 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, momondo users made 832,500 searches. Data last updated August 9, 2026.
Use the filters below to find and compare flights from Oregon to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Sun 11/15

5:45 pm-6:40 pm

1 stop16h 55m

Belfast City

Wed 11/18

9:15 am-3:50 pm

1 stop14h 35m

$908

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Sun 11/15

5:45 pm-6:40 pm

1 stop16h 55m

Belfast City

Wed 11/18

6:35 am-3:50 pm

1 stop17h 15m

$909

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Sun 1/31

5:45 pm-4:50 pm

1 stop15h 05m

Belfast City

Tue 2/2

4:55 pm-3:50 pm

1 stop30h 55m

$917

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Sat 1/23

1:12 pm-4:45 pm

2 stops19h 33m

Belfast City

Sat 1/30

6:00 pm-3:50 pm

1 stop29h 50m

$991
Quickest round-trip

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Fri 1/29

5:45 pm-2:15 pm

1 stop12h 30m

Belfast City

Sun 2/7

6:30 am-3:50 pm

1 stop17h 20m

$993

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Tue 8/25

3:30 pm-6:00 pm

3 stops18h 30m

Belfast City

Fri 8/28

7:00 am-9:31 am

3 stops34h 31m

$994

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Fri 1/29

1:12 pm-2:15 pm

2 stops17h 03m

Belfast City

Sun 2/7

6:30 am-3:50 pm

1 stop17h 20m

$1,019

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Fri 1/29

1:12 pm-2:15 pm

2 stops17h 03m

Belfast City

Sun 2/7

6:30 am-3:50 pm

1 stop17h 20m

$1,020

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Fri 1/29

1:12 pm-5:15 pm

2 stops20h 03m

Belfast City

Sun 2/7

12:10 pm-12:10 am

2 stops20h 00m

$1,029

PortlandBelfast

PDX Portland - BHD Belfast City

PDXBHD

Portland

Fri 1/29

1:12 pm-5:15 pm

2 stops20h 03m

Belfast City

Sun 2/7

12:10 pm-12:10 am

2 stops20h 00m

$1,030

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Oregon to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Oregon to Belfast?

British Airways is the most popular carrier operating from Oregon to Belfast

Cheap Oregon to Belfast flight deals and tips

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

Fastest flight time

12h 30m

Direct flights

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

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

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

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

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

    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.

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

    The travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Oregon to Belfast

Compare and see reviews for airlines that fly from Oregon to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $776Free CancellationRating
6.7
8,151 reviews
Search British Airways flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Oregon to Belfast. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Belfast from Oregon which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Oregon.

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

Yes momondo offers price alerts on flights to Belfast from Oregon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport