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Cheap flights from Portugal to Belfast Intl Airport from £19

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BFS
8 Jun — 15 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to Belfast Intl
Explore the most affordable flight options available from Portugal to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 May 2026.

Mon 1/607:15
OPO
-
BFS
Nonstop2h 30m
Ryanair
Fri 5/617:20
BFS
-
OPO
Nonstop2h 30m
Ryanair
Deal found 6/5£55
Fri 8/514:25
OPO
-
BFS
Nonstop2h 30m
Ryanair
Fri 15/517:20
BFS
-
OPO
Nonstop2h 30m
Ryanair
Deal found 6/5£60
Fri 8/514:25
OPO
-
BFS
Nonstop2h 30m
Ryanair
Mon 11/510:30
BFS
-
OPO
Nonstop2h 30m
Ryanair
Deal found 7/5£63
Mon 1/607:15
OPO
-
BFS
Nonstop2h 30m
Multiple Airlines
Thu 4/612:45
BFS
-
OPO
1 stop10h 50m
Multiple Airlines
Deal found 8/5£78
Fri 29/514:25
OPO
-
BFS
Nonstop2h 30m
Ryanair
Mon 1/610:30
BFS
-
OPO
Nonstop2h 30m
Ryanair
Deal found 6/5£79
Fri 8/510:40
LIS
-
BFS
1 stop8h 15m
Multiple Airlines
Tue 12/523:30
BFS
-
LIS
1 stop18h 45m
Multiple Airlines
Deal found 6/5£126
Fri 8/510:40
LIS
-
BFS
1 stop8h 15m
Multiple Airlines
Wed 13/505:55
BFS
-
LIS
1 stop12h 20m
Multiple Airlines
Deal found 6/5£129
Thu 11/605:55
LIS
-
BFS
1 stop12h 00m
Multiple Airlines
Tue 16/608:50
BFS
-
LIS
2 stops22h 00m
Multiple Airlines
Deal found 8/5£129
Fri 19/607:55
LIS
-
BFS
1 stop11h 35m
Multiple Airlines
Mon 22/608:40
BFS
-
LIS
1 stop12h 25m
Multiple Airlines
Deal found 6/5£131
Thu 18/622:10
LIS
-
BFS
1 stop9h 40m
Multiple Airlines
Sun 21/622:10
BFS
-
LIS
2 stops24h 15m
Multiple Airlines
Deal found 8/5£132
Fri 12/621:40
LIS
-
BFS
1 stop13h 05m
Multiple Airlines
Fri 19/619:55
BFS
-
LIS
1 stop27h 30m
Multiple Airlines
Deal found 6/5£133
Fri 8/510:40
LIS
-
BFS
1 stop8h 15m
Multiple Airlines
Thu 14/519:40
BFS
-
LIS
1 stop14h 35m
Multiple Airlines
Deal found 6/5£140

Find flight deals from Portugal to Belfast Intl

Keep the following information in mind while searching for Portugal to Belfast Intl flight deals. Data was last updated 9 May 2026.

Round-trip from

£55

One-way from

£19

Good one-way deal

£55 or less
Ryanair
  • Ryanair
  • 1/6-5/6
  • Nonstop
  • 5h 00m total
  • Portugal to Belfast
Search Deals
Ryanair
  • Ryanair
  • 1/6
  • Nonstop
  • 2h 30m total
  • Portugal to Belfast
Search Deals
Price to beat on a one-way flight from Portugal to Belfast Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portugal to Belfast Intl 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 858,174 searches. Data last updated 9 May 2026.
Use the filters below to find and compare flights from Portugal to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PortoBelfast

OPO - BFS

OPOBFS

Porto

Mon 1/6

07:15-09:45

Nonstop2h 30m

Belfast Intl

Fri 5/6

17:20-19:50

Nonstop2h 30m

£55

PortoBelfast

OPO - BFS

OPOBFS

Porto

Mon 1/6

07:15-09:45

Nonstop2h 30m

Belfast Intl

Thu 4/6

12:45-23:35

1 stop10h 50m

£78

PortoBelfast

OPO - BFS

OPOBFS

Porto

Mon 1/6

07:15-09:45

Nonstop2h 30m

Belfast Intl

Fri 5/6

19:55-17:15

2 stops21h 20m

£107

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 19/6

14:25-16:55

Nonstop2h 30m

Belfast Intl

Fri 26/6

17:20-19:50

Nonstop2h 30m

£128

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Fri 19/6

07:55-19:30

1 stop11h 35m

Belfast Intl

Mon 22/6

08:40-21:05

1 stop12h 25m

£131

PortoBelfast

OPO - BFS

OPOBFS

Porto

Thu 4/6

17:35-22:20

1 stop4h 45m

Belfast Intl

Mon 8/6

10:30-13:00

Nonstop2h 30m

£135

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 18/6

22:10-07:50

1 stop9h 40m

Belfast Intl

Sun 21/6

09:35-17:55

1 stop8h 20m

£136

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 11/6

05:55-17:55

1 stop12h 00m

Belfast Intl

Tue 16/6

07:35-23:00

1 stop15h 25m

£137

PortoBelfast

OPO - BFS

OPOBFS

Porto

Thu 18/6

15:10-07:50

1 stop16h 40m

Belfast Intl

Thu 25/6

06:40-21:20

1 stop14h 40m

£142

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Sat 20/6

06:00-21:15

1 stop15h 15m

Belfast Intl

Sat 27/6

21:40-23:20

2 stops25h 40m

£146

Flights are sorted by cheapest return flights first.

Deals found on 8/5

Showing 1-10 of 32 resultsSorted by cheapest first
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Best time to book a flight from Portugal to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Portugal with our price prediction graph.
Estimated return 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 Portugal to Belfast Intl Airport

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

Find hourly flight availability from Portugal to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 May 2026.

When flying from Portugal to Belfast Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 55% versus a flight at midday.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portugal to Belfast Intl Airport?

    Ryanair can get you from Portugal to Belfast Intl Airport in just under 2h 30m. Your travel time will be generally consistent. The distance between Portugal and Belfast Intl Airport is about 933 mi. Generally, flights for this route are direct.

  • What are the cheapest airlines to fly from Portugal to Belfast Intl Airport one-way?

    The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as £13. However, be on the lookout for offers from Jet2 and easyJet, as they are both options that can get you from Portugal to Belfast Intl Airport for a low price.

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

    Yes. In addition to deals on Portugal to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Belfast Intl?

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

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

    Yes. Cheapflights offers flight deals from Portugal to Belfast Intl 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

Travelling to a place near Belfast Intl Airport?

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

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Alternative routes for Portugal to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Charles de Gaulle to Belfast City flights
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Bristol to Belfast City flights
Edinburgh to Belfast City flights
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Glasgow Intl to Belfast City flights
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Liverpool to Belfast City flights
Leeds to Belfast City flights
Southampton to Belfast Intl flights
Cardiff to Belfast Intl flights
Newcastle upon Tyne to Belfast City flights
Cardiff to Belfast City flights
Barcelona-El Prat to Belfast Intl flights
Dublin to Belfast City flights
Southampton to Belfast City flights
East Midlands to Belfast City flights
Duesseldorf Intl to Belfast Intl flights
East Midlands to Belfast Intl flights
Frankfurt to Belfast Intl flights
Vienna to Belfast City flights
Bruxelles-National to Belfast Intl flights
Zurich to Belfast Intl flights
Duesseldorf Intl to Belfast City flights
Inverness to Belfast Intl flights
Frankfurt to Belfast City flights
Frederic Chopin to Belfast Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portugal to Belfast Intl?

Cheapflights makes it easy to find Portugal to Belfast Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portugal to Belfast Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portugal to Belfast Intl.

Can Cheapflights find flights from Portugal to Belfast Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portugal to Belfast Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portugal to Belfast Intl become cheaper?

Not ready to book yet? You can track prices for flights from Portugal to Belfast Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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