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Portugal

$596+ Cheap flights from Santa Rosa (STS) to Portugal

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LIS
fev 27 — mar 61
sex 2/27
sex 3/6
1 adult, Economy
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Cheap flight deals from Santa Rosa to Portugal

Cheapest flights from Santa Rosa to Portugal
Explore the most affordable flight options available from Santa Rosa to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janeiro 28, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/171:03 pm
STS
-
LIS
2 stops39h 07m
American Airlines
sex 2/2711:05 am
LIS
-
STS
2 stops31h 06m
American Airlines
Deal found 1/26$777
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/171:03 pm
STS
-
LIS
2 stops24h 42m
American Airlines
qua 3/410:40 am
LIS
-
STS
2 stops45h 17m
American Airlines
Deal found 1/26$792
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 2/912:55 pm
STS
-
LIS
2 stops41h 50m
American Airlines
sex 2/2011:05 am
LIS
-
STS
2 stops36h 42m
American Airlines
Deal found 1/26$793
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 2/164:23 pm
STS
-
LIS
2 stops32h 42m
American Airlines
sex 2/2711:05 am
LIS
-
STS
2 stops31h 06m
American Airlines
Deal found 1/26$796
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 2/94:23 pm
STS
-
LIS
2 stops18h 32m
American Airlines
seg 2/2310:35 am
LIS
-
STS
2 stops55h 36m
American Airlines
Deal found 1/26$798
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 3/2312:10 pm
STS
-
LIS
2 stops43h 35m
American Airlines
ter 3/311:40 pm
LIS
-
STS
2 stops58h 13m
American Airlines
Deal found 1/27$811
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 2/141:03 pm
STS
-
LIS
2 stops25h 27m
American Airlines
ter 2/2411:05 am
LIS
-
STS
2 stops31h 06m
American Airlines
Deal found 1/26$827
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 2/164:23 pm
STS
-
LIS
2 stops56h 32m
American Airlines
sex 3/611:05 am
LIS
-
STS
2 stops31h 06m
American Airlines
Deal found 1/26$844
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 2/144:17 pm
STS
-
LIS
2 stops22h 13m
American Airlines
qui 3/57:00 am
LIS
-
STS
2 stops37h 33m
American Airlines
Deal found 1/26$848
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/174:17 pm
STS
-
LIS
2 stops21h 28m
American Airlines
sáb 2/287:00 am
LIS
-
STS
2 stops37h 33m
American Airlines
Deal found 1/26$849
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 2/151:03 pm
STS
-
LIS
2 stops20h 42m
American Airlines
ter 3/37:05 am
LIS
-
STS
2 stops37h 28m
American Airlines
Deal found 1/26$850
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 2/194:23 pm
STS
-
LIS
2 stops32h 27m
American Airlines
qua 3/411:05 am
LIS
-
STS
2 stops36h 48m
American Airlines
Deal found 1/26$854

Find flight deals from Santa Rosa to Portugal

Keep the following information in mind while searching for Santa Rosa to Portugal flight deals. Data was last updated janeiro 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$777
(American Airlines)

One-way from

$596
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$643
Provider with most accurate pricing for San Francisco-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Lisbon Humberto Delgado flights.
Search Deals
From Santa Rosa Sonoma County to Portugal
Search Deals
One-way flight from Santa Rosa Sonoma County to Portugal
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Portugal 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 2,558,603 searches. Data last updated janeiro 28, 2026.
Use the filters below to find and compare flights from Santa Rosa to Portugal that are best for you.

Fly from

Santa Rosa

Fly to

Portugal

Route

Depart

Return

Price

Santa RosaLisbon

STS - LIS

STSLIS

Santa Rosa Sonoma County

ter 2/17

1:03 pm-9:45 pm

2 stops24h 42m

Lisbon Humberto Delgado

ter 3/3

11:05 am-10:11 am

2 stops31h 06m

$777

Santa RosaLisbon

STS - LIS

STSLIS

Santa Rosa Sonoma County

seg 2/9

4:23 pm-6:55 pm

2 stops18h 32m

Lisbon Humberto Delgado

qua 2/25

11:05 am-10:11 am

2 stops31h 06m

$777

Santa RosaLisbon

STS - LIS

STSLIS

Santa Rosa Sonoma County

ter 2/10

7:00 am-9:45 pm

2 stops30h 45m

Lisbon Humberto Delgado

qua 2/25

11:05 am-10:11 am

2 stops31h 06m

$777

Santa RosaLisbon

STS - LIS

STSLIS

Santa Rosa Sonoma County

ter 2/17

1:03 pm-12:10 pm

2 stops39h 07m

Lisbon Humberto Delgado

sex 2/27

11:05 am-10:11 am

2 stops31h 06m

$777

Santa RosaLisbon

STS - LIS

STSLIS

Santa Rosa Sonoma County

ter 2/17

1:03 pm-2:50 pm

2 stops41h 47m

Lisbon Humberto Delgado

qui 3/5

10:40 am-11:57 pm

2 stops45h 17m

$792

Santa RosaLisbon

STS - LIS

STSLIS

Santa Rosa Sonoma County

qua 2/18

1:03 pm-5:40 pm

2 stops20h 37m

Lisbon Humberto Delgado

qua 3/4

10:40 am-11:57 pm

2 stops45h 17m

$792

Santa RosaLisbon

STS - LIS

STSLIS

Santa Rosa Sonoma County

ter 2/10

7:00 am-12:10 pm

2 stops45h 10m

Lisbon Humberto Delgado

qui 2/19

10:55 am-3:53 pm

2 stops36h 58m

$793

Santa RosaLisbon

STS - LIS

STSLIS

Santa Rosa Sonoma County

qua 2/11

7:00 am-5:40 pm

2 stops26h 40m

Lisbon Humberto Delgado

sex 2/20

11:05 am-3:47 pm

2 stops36h 42m

$793

Santa RosaLisbon

STS - LIS

STSLIS

Santa Rosa Sonoma County

seg 2/16

4:23 pm-9:05 am

2 stops32h 42m

Lisbon Humberto Delgado

sex 2/27

11:05 am-10:11 am

2 stops31h 06m

$796

Santa RosaLisbon

STS - LIS

STSLIS

Santa Rosa Sonoma County

qua 2/18

1:03 pm-12:10 pm

2 stops39h 07m

Lisbon Humberto Delgado

seg 3/2

10:35 am-10:11 am

2 stops55h 36m

$798

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 15 results
1
2

Best time to book a flight from Santa Rosa to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Santa Rosa with our price prediction graph.
Estimated round-trip 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 Santa Rosa to Portugal

What is the cheapest month to book a flight from Santa Rosa to Portugal?

Currently, March is the cheapest month in which you can book a flight from Santa Rosa to Portugal (average of $468). Flying from Santa Rosa to Portugal in June is currently the most expensive (average of $788). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

  • What airport do you fly from for flights from Santa Rosa to Portugal?

    Santa Rosa Sonoma County (STS) is the airport you will fly out of if you book a flight from Santa Rosa to Portugal. It is only a 7.2 mi journey to Sonoma County (STS) from Santa Rosa’s city center.

  • How long is the flight from Santa Rosa to Portugal?

    A quick flight from Santa Rosa to Portugal can take about 24h 42m. American Airlines provides one of the quickest options available for as low as $777. Airlines will cover a distance of 5639 mi.

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

    Yes. In addition to deals on Santa Rosa to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Portugal?

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santa Rosa to Portugal?

    Currently, March is the cheapest month in which you can book a flight from Santa Rosa to Portugal (average of $468). Flying from Santa Rosa to Portugal in June is currently the most expensive (average of $788). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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