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Sines

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Sines Flights as Low as $414

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

Fly Play
Sun, Jan 11 - Fri, Jan 16
BOS
Logan Intl.
LIS
Humberto Delgado
$414 Roundtrip, found 3 days ago
$414
Roundtrip
found 3 days ago
Select Fly Play flight, departing Sun, Jan 11 from Logan Intl. to Humberto Delgado, returning Fri, Jan 16, priced at $414 found 3 days ago
TAP Portugal
Wed, Sep 17 - Tue, Sep 23
SFO
San Francisco Intl.
LIS
Humberto Delgado
$579 Roundtrip, found 23 hours ago
$579
Roundtrip
found 23 hours ago
Select TAP Portugal flight, departing Wed, Sep 17 from San Francisco Intl. to Humberto Delgado, returning Tue, Sep 23, priced at $579 found 23 hours ago
United
Sat, Jul 26 - Sat, Aug 2
BOS
Logan Intl.
LIS
Humberto Delgado
$723 Roundtrip, found 2 days ago
$723
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jul 26 from Logan Intl. to Humberto Delgado, returning Sat, Aug 2, priced at $723 found 2 days ago
Air Canada
Fri, Nov 21 - Fri, Dec 5
SFO
San Francisco Intl.
LIS
Humberto Delgado
$725 Roundtrip, found 11 hours ago
$725
Roundtrip
found 11 hours ago
Select Air Canada flight, departing Fri, Nov 21 from San Francisco Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $725 found 11 hours ago
Delta
Wed, Sep 17 - Wed, Sep 24
SJC
Norman Y. Mineta San Jose Intl.
LIS
Humberto Delgado
$739 Roundtrip, found 23 hours ago
$739
Roundtrip
found 23 hours ago
Select Delta flight, departing Wed, Sep 17 from Norman Y. Mineta San Jose Intl. to Humberto Delgado, returning Wed, Sep 24, priced at $739 found 23 hours ago
SATA International-Azores Airlines S.A.
Sun, Jan 11 - Fri, Jan 16
BOS
Logan Intl.
LIS
Humberto Delgado
$764 Roundtrip, found 3 days ago
$764
Roundtrip
found 3 days ago
Select SATA International-Azores Airlines S.A. flight, departing Sun, Jan 11 from Logan Intl. to Humberto Delgado, returning Fri, Jan 16, priced at $764 found 3 days ago
Virgin Atlantic
Wed, Jun 4 - Tue, Jun 10
BOS
Logan Intl.
LIS
Humberto Delgado
$772 Roundtrip, found 3 days ago
$772
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Wed, Jun 4 from Logan Intl. to Humberto Delgado, returning Tue, Jun 10, priced at $772 found 3 days ago
American Airlines
Wed, May 28 - Tue, Jun 3
BOS
Logan Intl.
LIS
Humberto Delgado
$773 Roundtrip, found 6 days ago
$773
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, May 28 from Logan Intl. to Humberto Delgado, returning Tue, Jun 3, priced at $773 found 6 days ago
British Airways
Wed, Jul 23 - Fri, Aug 1
BOS
Logan Intl.
LIS
Humberto Delgado
$781 Roundtrip, found 3 days ago
$781
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Jul 23 from Logan Intl. to Humberto Delgado, returning Fri, Aug 1, priced at $781 found 3 days ago
Scandinavian Airlines
Fri, Nov 21 - Fri, Dec 5
SFO
San Francisco Intl.
LIS
Humberto Delgado
$785 Roundtrip, found 11 hours ago
$785
Roundtrip
found 11 hours ago
Select Scandinavian Airlines flight, departing Fri, Nov 21 from San Francisco Intl. to Humberto Delgado, returning Fri, Dec 5, priced at $785 found 11 hours ago
Iberia
Wed, May 28 - Tue, Jun 3
BOS
Logan Intl.
LIS
Humberto Delgado
$787 Roundtrip, found 6 days ago
$787
Roundtrip
found 6 days ago
Select Iberia flight, departing Wed, May 28 from Logan Intl. to Humberto Delgado, returning Tue, Jun 3, priced at $787 found 6 days ago
Swiss International Air Lines
Sun, Jun 8 - Sun, Jun 15
BOS
Logan Intl.
LIS
Humberto Delgado
$804 Roundtrip, found 22 hours ago
$804
Roundtrip
found 22 hours ago
Select Swiss International Air Lines flight, departing Sun, Jun 8 from Logan Intl. to Humberto Delgado, returning Sun, Jun 15, priced at $804 found 22 hours ago
KLM
Wed, Jun 4 - Tue, Jun 10
BOS
Logan Intl.
LIS
Humberto Delgado
$824 Roundtrip, found 3 days ago
$824
Roundtrip
found 3 days ago
Select KLM flight, departing Wed, Jun 4 from Logan Intl. to Humberto Delgado, returning Tue, Jun 10, priced at $824 found 3 days ago
KLM
Mon, Jun 9 - Thu, Jun 19
YLW
Kelowna Intl.
LIS
Humberto Delgado
$827 Roundtrip, found 16 hours ago
$827
Roundtrip
found 16 hours ago
Select KLM flight, departing Mon, Jun 9 from Kelowna Intl. to Humberto Delgado, returning Thu, Jun 19, priced at $827 found 16 hours ago
United
Mon, Sep 29 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LIS
Humberto Delgado
$1,129 Roundtrip, found 20 hours ago
$1,129
Roundtrip
found 20 hours ago
Select United flight, departing Mon, Sep 29 from Ronald Reagan Washington National to Humberto Delgado, returning Tue, Oct 7, priced at $1,129 found 20 hours ago
TAP Portugal
Wed, Jun 4 - Wed, Jun 11
SFO
San Francisco Intl.
FAO
Faro Intl.
$1,141 Roundtrip, found 4 days ago
$1,141
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Wed, Jun 4 from San Francisco Intl. to Faro Intl., returning Wed, Jun 11, priced at $1,141 found 4 days 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 January, 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 $414, 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 $414 right now, why wait?

Sines Flight Information
Destination airport
Humberto Delgado
Destination airport IATA code
LIS
Roundtrip price
$413

Last Minute Hotel Deals in Sines

AP Sines
AP Sines
3 out of 5
Rua Marques De Pombal, 110, Sines
The price is $115 per night from Apr 28 to Apr 29
$115
includes taxes & fees
Apr 28 - Apr 29
Stay at this 3-star business-friendly aparthotel in Sines. Enjoy free WiFi, free parking, and breakfast (surcharge). Popular attractions Sines Culture and Arts ...
9/10 Wonderful! (6 reviews)
"A real gem. The rest assume had an amazing dinner and breakfast. The rooms were clean, comfortable and quiet. The shower was amazing. Highly recommend"

Reviewed on Apr 21, 2025

AP Sines
SINES SEA VIEW HOTEL
SINES SEA VIEW HOTEL
4 out of 5
Rua Nau Sao Miguel, Sines, Sines
The price is $136 per night from May 4 to May 5
$136
includes taxes & fees
May 4 - May 5
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! (141 reviews)
"Great location for travel"

Reviewed on Jan 2, 2025

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
The price is $199 per night from Apr 28 to Apr 29
$199
includes taxes & fees
Apr 28 - Apr 29
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! (156 reviews)
"The location is outstanding with expansive views to the beautiful beach/harbor. The hotel is in an interesting historical district. We had dinner at the hotel to take advantage of the setting. The food and service was first class, easily the best dinner we had during our two weeks in Portugal. All ..."

Reviewed on Mar 31, 2025

Casa do Médico de São Rafael
Monte da Bemposta,
Monte da Bemposta,
4 out of 5
Porto Covo, Sines
The price is $226 per night from May 22 to May 23
$226
includes taxes & fees
May 22 - May 23
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! (22 reviews)
"Warm reception, friendly staff, delicious meals served by attentive staff, beautiful surroundings, very comfortable rooms, lovely grounds including a pristine pool, and easy access by foot, bike or car to a sandy beach on the Atlantic!"

Reviewed on Oct 20, 2024

Monte da Bemposta,
Hotel Dom Vasco
Hotel Dom Vasco
4 out of 5
Rua do Parque, Nº 13, Apartado 273, Sines
The price is $210 per night from May 25 to May 26
$210
includes taxes & fees
May 25 - May 26
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! (107 reviews)
"Nelson and Beatrice greeted us at check-in with smiles and enthusiasm after our 3hr drive. Wonderful staff and a great breakfast as well. Highly recommended"

Reviewed on Sep 26, 2024

Hotel Dom Vasco
Monte do Cerro
Monte do Cerro
3 out of 5
Monte do Cerro, Sines, Setúbal
The price is $153 per night from Apr 28 to Apr 29
$153
includes taxes & fees
Apr 28 - Apr 29
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 ...
Monte do Cerro
Casa Calmar
Casa Calmar
4 out of 5
Herdade das Várzeas, Sines, Setúbal
The price is $384 per night from May 25 to May 26
$384
includes taxes & fees
May 25 - May 26
Enjoy free WiFi, private pools, and breakfast (surcharge). Popular attractions Porto Covo Beach and Ilha do Pessegueiro Beach are located nearby.
10/10 Exceptional! (1 review)
"The staff were wonderful!! I would definitely go back this place was stunning the pictures don’t do it justice. Thank you!"

Reviewed on Dec 18, 2024

Casa Calmar
Independente Comporta
Independente Comporta
4 out of 5
ESTRADA DAS BICAS 261 -1, Grandola
The price is $276 per night from May 4 to May 5
$276
includes taxes & fees
May 4 - May 5
Stay at this 4-star spa resort in Grandola. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions ...
9.2/10 Wonderful! (36 reviews)
"No"

Reviewed on Apr 12, 2025

Independente Comporta
See all 494 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.