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Cheap flights from Portugal to Belfast 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BHD
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to Belfast
Explore the most affordable flight options available from Portugal to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Fri 3/414:25
OPO
-
BFS
Nonstop2h 30m
Ryanair
Fri 17/417:20
BFS
-
OPO
Nonstop2h 30m
Ryanair
Deal found 6/3£55
Mon 20/407:15
OPO
-
BFS
Nonstop2h 30m
Ryanair
Mon 27/410:30
BFS
-
OPO
Nonstop2h 30m
Ryanair
Deal found 6/3£69
Mon 20/407:15
OPO
-
BFS
Nonstop2h 30m
Multiple Airlines
Mon 27/421:55
BFS
-
OPO
1 stop22h 45m
Multiple Airlines
Deal found 6/3£80
Wed 22/405:55
LIS
-
BFS
1 stop5h 40m
Multiple Airlines
Wed 29/408:30
BFS
-
LIS
1 stop11h 25m
Multiple Airlines
Deal found 8/3£99
Fri 3/414:25
OPO
-
BFS
Nonstop2h 30m
Multiple Airlines
Fri 17/411:25
BFS
-
OPO
2 stops12h 25m
Multiple Airlines
Deal found 6/3£101
Mon 6/407:15
OPO
-
BFS
Nonstop2h 30m
Ryanair
Tue 7/420:10
BFS
-
OPO
1 stop13h 00m
Ryanair
Deal found 6/3£102
Thu 2/415:10
OPO
-
BFS
1 stop8h 55m
Multiple Airlines
Fri 10/417:20
BFS
-
OPO
Nonstop2h 30m
Multiple Airlines
Deal found 10/3£104
Mon 20/422:30
LIS
-
BFS
2 stops11h 30m
Multiple Airlines
Mon 27/418:50
BFS
-
LIS
1 stop14h 20m
Multiple Airlines
Deal found 6/3£108
Mon 6/407:15
OPO
-
BFS
Nonstop2h 30m
Multiple Airlines
Tue 7/407:35
BFS
-
OPO
2 stops23h 15m
Multiple Airlines
Deal found 6/3£116
Wed 22/421:40
OPO
-
BFS
1 stop26h 25m
Multiple Airlines
Sun 26/407:10
BFS
-
OPO
2 stops35h 15m
Multiple Airlines
Deal found 6/3£117
Fri 17/414:25
OPO
-
BFS
Nonstop2h 30m
Multiple Airlines
Sun 19/407:00
BFS
-
OPO
2 stops26h 15m
Multiple Airlines
Deal found 7/3£119
Fri 24/421:40
LIS
-
BFS
1 stop16h 35m
Multiple Airlines
Fri 1/519:55
BFS
-
LIS
2 stops25h 30m
Multiple Airlines
Deal found 9/3£143

Find flight deals from Portugal to Belfast

Keep the following information in mind while searching for Portugal to Belfast flight deals. Data was last updated 10 March 2026.

Round-trip from

£55

One-way from

£19
Ryanair
  • Ryanair
  • 3/4-17/4
  • Nonstop
  • 5h 00m total
  • Portugal to Belfast
Search Deals
Ryanair
  • Ryanair
  • 3/4
  • Nonstop
  • 2h 30m total
  • Portugal to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portugal 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 858,174 searches. Data last updated 10 March 2026.
Use the filters below to find and compare flights from Portugal to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoBelfast

OPO - BFS

OPOBFS

Porto

Mon 20/4

07:15-09:45

Nonstop2h 30m

Belfast Intl

Mon 27/4

21:55-20:40

1 stop22h 45m

£80

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Wed 22/4

05:55-11:35

1 stop5h 40m

Belfast Intl

Wed 29/4

08:30-19:55

1 stop11h 25m

£99

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 3/4

14:25-16:55

Nonstop2h 30m

Belfast Intl

Fri 17/4

11:25-23:50

2 stops12h 25m

£101
Fastest return journey

PortoBelfast

OPO - BFS

OPOBFS

Porto

Thu 2/4

15:10-00:05

1 stop8h 55m

Belfast Intl

Fri 10/4

17:20-19:50

Nonstop2h 30m

£104

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Mon 20/4

22:30-10:00

2 stops11h 30m

Belfast Intl

Mon 27/4

18:50-09:10

1 stop14h 20m

£108

PortoBelfast

OPO - BFS

OPOBFS

Porto

Mon 6/4

07:15-09:45

Nonstop2h 30m

Belfast Intl

Tue 7/4

07:35-06:50

2 stops23h 15m

£116

PortoBelfast

OPO - BFS

OPOBFS

Porto

Thu 23/4

11:30-17:55

1 stop6h 25m

Belfast Intl

Thu 30/4

15:35-21:20

1 stop5h 45m

£133

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 17/4

14:25-16:55

Nonstop2h 30m

Belfast Intl

Sun 19/4

07:00-20:15

1 stop13h 15m

£133

PortoBelfast

OPO - BFS

OPOBFS

Porto

Mon 30/3

07:15-09:45

Nonstop2h 30m

Belfast Intl

Tue 31/3

05:55-22:00

1 stop16h 05m

£137

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Fri 24/4

21:40-14:15

1 stop16h 35m

Belfast Intl

Fri 1/5

19:55-21:25

2 stops25h 30m

£143

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 57 resultsSorted by cheapest first
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Best time to book a flight from Portugal to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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

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

Find hourly flight availability from Portugal 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 10 March 2026.

When flying from Portugal to Belfast, 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 20% versus a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Belfast. 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?

    For as low as £69, Ryanair can have you in Belfast from Portugal in 2h 30m. Airlines will cover a distance of 933 mi. All flights are typically direct.

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

    For one-way options, check prices for Ryanair. According to our data, you can fly for as low as £13. Users have also found prices from £31 and £65 on Jet2 and easyJet, respectively.

  • What are the most popular routes from Portugal to Belfast?

    When deciding which route to take from Portugal to Belfast consider Porto - Belfast City, Lisbon Humberto Delgado - Belfast Intl or Porto - Belfast Intl as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portugal to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
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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?

When you search for this flight from Portugal to Belfast, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Belfast from Portugal by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Portugal to Belfast with no change fees.

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

Of course! You can now track prices for flights from Portugal to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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