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Sines

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Sines Flights as Low as $277

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

American Airlines
Mon, Nov 17 - Wed, Nov 26
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$277 Roundtrip, found 6 hours ago
$277
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon, Nov 17 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Wed, Nov 26, priced at $277 found 6 hours ago
American Airlines
Thu, Aug 21 - Thu, Sep 11
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$503 Roundtrip, found 5 days ago
$503
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Aug 21 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Thu, Sep 11, priced at $503 found 5 days ago
Delta
Mon, Nov 17 - Fri, Nov 21
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$533 Roundtrip, found 6 hours ago
$533
Roundtrip
found 6 hours ago
Select Delta flight, departing Mon, Nov 17 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Fri, Nov 21, priced at $533 found 6 hours ago
Porter Airlines
Sun, Nov 16 - Thu, Nov 20
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$538 Roundtrip, found 6 hours ago
$538
Roundtrip
found 6 hours ago
Select Porter Airlines flight, departing Sun, Nov 16 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Thu, Nov 20, priced at $538 found 6 hours ago
British Airways
Fri, Nov 14 - Sun, Nov 23
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$573 Roundtrip, found 6 hours ago
$573
Roundtrip
found 6 hours ago
Select British Airways flight, departing Fri, Nov 14 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $573 found 6 hours ago
KLM
Fri, Nov 14 - Sun, Nov 23
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$591 Roundtrip, found 6 hours ago
$591
Roundtrip
found 6 hours ago
Select KLM flight, departing Fri, Nov 14 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $591 found 6 hours ago
KLM
Mon, Oct 6 - Thu, Oct 16
YUL
Pierre Elliott Trudeau Intl.
FAO
Faro Intl.
$595 Roundtrip, found 2 days ago
$595
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Oct 6 from Pierre Elliott Trudeau Intl. to Faro Intl., returning Thu, Oct 16, priced at $595 found 2 days ago
Air France
Fri, Nov 14 - Sun, Nov 23
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$604 Roundtrip, found 6 hours ago
$604
Roundtrip
found 6 hours ago
Select Air France flight, departing Fri, Nov 14 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $604 found 6 hours ago
Swiss International Air Lines
Fri, Nov 14 - Sun, Nov 23
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$630 Roundtrip, found 6 hours ago
$630
Roundtrip
found 6 hours ago
Select Swiss International Air Lines flight, departing Fri, Nov 14 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $630 found 6 hours ago
Air Canada
Fri, Nov 14 - Sun, Nov 23
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$651 Roundtrip, found 6 hours ago
$651
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Fri, Nov 14 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $651 found 6 hours ago
Air Transat
Fri, Nov 14 - Sun, Nov 23
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$670 Roundtrip, found 6 hours ago
$670
Roundtrip
found 6 hours ago
Select Air Transat flight, departing Fri, Nov 14 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $670 found 6 hours ago
Brussels Airlines
Fri, Nov 14 - Sun, Nov 23
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$681 Roundtrip, found 6 hours ago
$681
Roundtrip
found 6 hours ago
Select Brussels Airlines flight, departing Fri, Nov 14 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $681 found 6 hours ago
Lufthansa
Fri, Nov 14 - Sun, Nov 23
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$724 Roundtrip, found 6 hours ago
$724
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Fri, Nov 14 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $724 found 6 hours ago
TAP Portugal
Fri, Nov 14 - Sun, Nov 23
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$744 Roundtrip, found 6 hours ago
$744
Roundtrip
found 6 hours ago
Select TAP Portugal flight, departing Fri, Nov 14 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $744 found 6 hours ago
SATA International-Azores Airlines S.A.
Tue, Aug 26 - Thu, Sep 4
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$787 Roundtrip, found 3 hours ago
$787
Roundtrip
found 3 hours ago
Select SATA International-Azores Airlines S.A. flight, departing Tue, Aug 26 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Thu, Sep 4, priced at $787 found 3 hours ago
United
Fri, Nov 14 - Sun, Nov 23
YUL
Pierre Elliott Trudeau Intl.
LIS
Humberto Delgado
$825 Roundtrip, found 6 hours ago
$825
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Nov 14 from Pierre Elliott Trudeau Intl. to Humberto Delgado, returning Sun, Nov 23, priced at $825 found 6 hours ago

Cheap Flights to Sines

Fall in love at first flight with your vacation to Sines by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Sines on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Sines, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Sines

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Sines with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the SIE airport.

What is the cheapest month to fly to Sines?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Sines are in November, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Sines?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to Sines.

What airport is best to fly into Sines?

When you’re planning your trip to Sines, convenience is the name of the game. Luckily, Sines Portimao Airport is nearby so you can deplane and get going on checking off everything on your Sines must-do list.

How much are flights to Sines?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Sines on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $277, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Sines?

The trick to saving a stack of cash on your flight to Sines? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $277 right now, why wait?

Sines Flight Information
Destination airport
Humberto Delgado
Destination airport IATA code
LIS
Roundtrip price
$277

Last Minute Hotel Deals in Sines

AP Sines

AP Sines

3 out of 5
Rua Marques De Pombal, 110, Sines
Stay at this 3-star business-friendly aparthotel in Sines. Enjoy free WiFi, free parking, and breakfast (surcharge). Popular attractions Sines Culture and Arts ...
8.8/10 Excellent! (21 reviews)
"Self parking on the street in front of hotel."

Reviewed on Jun 25, 2025

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AP Sines
Hotel Dom Vasco

Hotel Dom Vasco

4 out of 5
Rua do Parque, Nº 13, Apartado 273, Sines
Stay at this 4-star boutique hotel in Sines. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Popular attractions Sines Culture and Arts Centre ...
8.8/10 Excellent! (118 reviews)
"Very clean. Staff was very friendly. Breakfast was great. Swimming pool isn’t very desirable but we were more interested in the beautiful beaches."

Reviewed on Jul 22, 2025

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Hotel Dom Vasco
SINES SEA VIEW HOTEL

SINES SEA VIEW HOTEL

4 out of 5
Rua Nau Sao Miguel, Sines, Sines
Stay at this 4-star spa hotel in Sines. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions ...
9.2/10 Wonderful! (163 reviews)
"Hotel was very nice. Staff was rude talking to each other in Portugese about my wife while our portugese friend was standing there and replied in Portugese much to their surprise. Rooftop bar was great for sunset. Rooms were nice but the shower drain was slow and the shower was only an inch deep ..."

Reviewed on Jul 7, 2025

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SINES SEA VIEW HOTEL
Casa do Médico de São Rafael

Casa do Médico de São Rafael

3 out of 5
Quinta de S. Rafael, lote 36, Sines
Stay at this 3-star beach hotel in Sines. Enjoy free breakfast, free WiFi, and room service. Popular attractions Vasco de Gama Beach and Vasco da Gama Statue ...
9.2/10 Wonderful! (162 reviews)
Sleepy little Sines
"Unplanned side trip to Sines - great little hotel. Welcomed with great enthusiasm. Super quiet and clean. Bed was very comfortable. Didn't eat here, but food looked great and many were eating. Had drinks on the patio which was beautiful views. Breakfast was outstanding! Sines is a sleepy little town, ..."

Reviewed on Aug 10, 2025

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Casa do Médico de São Rafael
Monte da Bemposta,

Monte da Bemposta,

4 out of 5
Porto Covo, Sines
Stay at this 4-star eco-certified country house in Sines. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Ilha do Pessegueiro Fort and ...
9.8/10 Exceptional! (25 reviews)
"Excellent ! Highly recommended"

Reviewed on Jun 1, 2025

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Monte da Bemposta,
Monte do Cerro

Monte do Cerro

3 out of 5
Monte do Cerro, Sines, Setúbal
Stay at this 3-star hotel in Sines. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Ilha do Pessegueiro Fort and Ilha do Pessegueiro Beach ...
9/10 Wonderful! (2 reviews)
Heaven!
"Sadly, could only stay 1 night this time but the stay was absolutely LOVELY! better than anticipated. the location is so beautiful. tons of greenery, flowers, animals - heaven! on the road leading up to the hotel, you can see the water as well. peaceful, calm, perfect. the staff/service was also ..."

Reviewed on May 12, 2025

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Monte do Cerro
Independente Comporta

Independente Comporta

4 out of 5
ESTRADA DAS BICAS 261 -1, Grandola
Stay at this 4-star spa resort in Grandola. Enjoy free WiFi, free parking, and 15 outdoor pools. Our guests praise the helpful staff in our reviews. Popular ...
8.8/10 Excellent! (48 reviews)
"Better signing is needed for swimming pool/Towels service etc. the check in was a bit vague without to much explanation about the property hours and services."

Reviewed on Jul 22, 2025

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Independente Comporta
wecamp Reserva Alecrim

wecamp Reserva Alecrim

3 out of 5
Reserva Alecrim Amazing Glamping, Ademas, Santa Cruz, Santiago do Cacém, Setúbal
Stay at this 3-star vacation home in Santiago do Cacém. Enjoy free WiFi, free parking, and a 24-hour front desk. Popular attractions Black Pig Alentejo Distillery ...
8.8/10 Excellent! (52 reviews)
"Such a unique, beautiful place! The domes were amazing, the pool relaxing, and the restaurant delicious. Would highly recommend!"

Reviewed on Jul 11, 2025

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wecamp Reserva Alecrim
See all 519 properties in Sines
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.