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Cheap flights from Santa Rosa to Buenos Aires from $646

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to Buenos Aires departing on 4/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Santa Rosa to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 5:05 am
STS
-
EZE
42h 05m
3 stops
Multiple Airlines Logo
6:10 am - 11:59 pm
EZE
-
STS
45h 49m
3 stops
$1,437Multiple Airlines
Mon, May 4 - Mon, May 11
American Airlines Logo
7:00 am - 7:15 am
STS
-
EZE
20h 15m
2 stops
American Airlines Logo
8:45 pm - 3:47 pm
EZE
-
STS
23h 02m
2 stops
$1,446American Airlines
Thu, Aug 27 - Mon, Sep 14
American Airlines Logo
7:00 am - 8:50 am
STS
-
EZE
21h 50m
2 stops
American Airlines Logo
8:35 pm - 12:26 pm
EZE
-
STS
19h 51m
2 stops
$1,579American Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
7:23 am - 10:25 pm
STS
-
EZE
35h 02m
2 stops
Multiple Airlines Logo
5:25 am - 11:27 pm
EZE
-
STS
22h 02m
2 stops
$1,692Multiple Airlines
Mon, May 4 - Mon, May 11
American Airlines Logo
7:00 am - 8:50 am
STS
-
EZE
21h 50m
2 stops
American Airlines Logo
9:05 pm - 3:53 pm
EZE
-
STS
22h 48m
2 stops
$1,956American Airlines
Fri, May 1 - Fri, May 8
Multiple Airlines Logo
6:51 pm - 4:16 am
STS
-
EZE
29h 25m
2 stops
Multiple Airlines Logo
3:48 am - 10:01 am
EZE
-
STS
34h 13m
2 stops
$2,096Multiple Airlines
Sat, May 2 - Fri, May 8
Multiple Airlines Logo
10:01 am - 12:50 am
STS
-
EZE
34h 49m
2 stops
Multiple Airlines Logo
9:02 am - 10:01 am
EZE
-
STS
28h 59m
2 stops
$2,130Multiple Airlines
Fri, May 1 - Fri, May 8
Multiple Airlines Logo
7:00 am - 5:05 am
STS
-
EZE
42h 05m
3 stops
Multiple Airlines Logo
10:45 pm - 12:17 pm
EZE
-
STS
41h 32m
2 stops
$2,348Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
7:46 pm - 4:30 am
STS
-
EZE
28h 44m
2 stops
Multiple Airlines Logo
6:15 am - 11:01 pm
EZE
-
STS
44h 46m
3 stops
$2,368Multiple Airlines
Fri, May 1 - Fri, May 8
Iberia Logo
12:10 pm - 9:15 am
STS
-
EZE
41h 05m
2 stops
Iberia Logo
11:00 am - 11:01 pm
EZE
-
STS
40h 01m
2 stops
$2,655Iberia
Sun, Apr 19 - Fri, May 8

American Airlines flights from Santa Rosa to Buenos Aires

Our best American Airlines deals on Santa Rosa to Buenos Aires flight tickets
American Airlines
Aug 27
STS7:00 amSanta Rosa Sonoma County
20h 15m
2 stops
EZE7:15 amBuenos Aires Ministro Pistarini
Sep 14
EZE8:45 pmBuenos Aires Ministro Pistarini
23h 02m
2 stops
STS3:47 pmSanta Rosa Sonoma County
$1,446
American Airlines
May 4
STS7:00 amSanta Rosa Sonoma County
21h 50m
2 stops
EZE8:50 amBuenos Aires Ministro Pistarini
May 11
EZE8:35 pmBuenos Aires Ministro Pistarini
19h 51m
2 stops
STS12:26 pmSanta Rosa Sonoma County
$1,579
American Airlines
May 1
STS7:00 amSanta Rosa Sonoma County
21h 50m
2 stops
EZE8:50 amBuenos Aires Ministro Pistarini
May 8
EZE9:05 pmBuenos Aires Ministro Pistarini
22h 48m
2 stops
STS3:53 pmSanta Rosa Sonoma County
$1,956

Iberia flights from Santa Rosa to Buenos Aires

Our best Iberia deals on Santa Rosa to Buenos Aires flight tickets
Iberia
Apr 19
STS12:10 pmSanta Rosa Sonoma County
41h 05m
2 stops
EZE9:15 amBuenos Aires Ministro Pistarini
May 8
EZE11:00 amBuenos Aires Ministro Pistarini
40h 01m
2 stops
STS11:01 pmSanta Rosa Sonoma County
$2,655
Iberia
Apr 19
STS12:10 pmSanta Rosa Sonoma County
41h 05m
2 stops
EZE9:15 amBuenos Aires Ministro Pistarini
May 6
EZE11:00 amBuenos Aires Ministro Pistarini
40h 01m
2 stops
STS11:01 pmSanta Rosa Sonoma County
$2,679
Iberia
Apr 19
STS12:10 pmSanta Rosa Sonoma County
41h 05m
2 stops
EZE9:15 amBuenos Aires Ministro Pistarini
May 5
EZE11:00 amBuenos Aires Ministro Pistarini
40h 59m
2 stops
STS11:59 pmSanta Rosa Sonoma County
$2,935

momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Buenos Aires 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, momondo users made 832,500 searches. Data last updated March 21, 2026.
Use the filters below to find and compare flights from Santa Rosa to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaBuenos Aires

STS - EZE

STSEZE

Santa Rosa Sonoma County

Mon 5/4

7:00 am-5:05 am

3 stops42h 05m

Buenos Aires Ministro Pistarini

Mon 5/11

6:10 am-11:59 pm

3 stops45h 49m

$1,437

Santa RosaBuenos Aires

STS - EZE

STSEZE

Santa Rosa Sonoma County

Thu 8/27

7:00 am-7:15 am

2 stops20h 15m

Buenos Aires Ministro Pistarini

Mon 9/14

8:45 pm-3:47 pm

2 stops23h 02m

$1,446
Quickest round-trip

Santa RosaBuenos Aires

STS - EZE

STSEZE

Santa Rosa Sonoma County

Mon 5/4

7:00 am-8:50 am

2 stops21h 50m

Buenos Aires Ministro Pistarini

Mon 5/11

8:35 pm-12:26 pm

2 stops19h 51m

$1,579

Santa RosaBuenos Aires

STS - EZE

STSEZE

Santa Rosa Sonoma County

Mon 5/4

7:23 am-10:25 pm

2 stops35h 02m

Buenos Aires Ministro Pistarini

Mon 5/11

5:25 am-11:27 pm

2 stops22h 02m

$1,692

Santa RosaBuenos Aires

STS - EZE

STSEZE

Santa Rosa Sonoma County

Fri 5/1

7:00 am-8:50 am

2 stops21h 50m

Buenos Aires Ministro Pistarini

Fri 5/8

9:05 pm-3:53 pm

2 stops22h 48m

$1,956

Santa RosaBuenos Aires

STS - EZE

STSEZE

Santa Rosa Sonoma County

Sat 5/2

6:51 pm-4:16 am

2 stops29h 25m

Buenos Aires Ministro Pistarini

Fri 5/8

3:48 am-10:01 am

2 stops34h 13m

$2,096

Santa RosaBuenos Aires

STS - EZE

STSEZE

Santa Rosa Sonoma County

Fri 5/1

10:01 am-12:50 am

2 stops34h 49m

Buenos Aires Ministro Pistarini

Fri 5/8

9:02 am-10:01 am

2 stops28h 59m

$2,130

Santa RosaBuenos Aires

STS - EZE

STSEZE

Santa Rosa Sonoma County

Mon 5/4

7:00 am-5:05 am

3 stops42h 05m

Buenos Aires Ministro Pistarini

Mon 5/11

10:45 pm-12:17 pm

2 stops41h 32m

$2,348

Santa RosaBuenos Aires

STS - EZE

STSEZE

Santa Rosa Sonoma County

Fri 5/1

7:46 pm-4:30 am

2 stops28h 44m

Buenos Aires Ministro Pistarini

Fri 5/8

6:15 am-11:01 pm

3 stops44h 46m

$2,368

Santa RosaBuenos Aires

STS - EZE

STSEZE

Santa Rosa Sonoma County

Sun 4/19

12:10 pm-9:15 am

2 stops41h 05m

Buenos Aires Ministro Pistarini

Fri 5/8

11:00 am-11:01 pm

2 stops40h 01m

$2,655

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Santa Rosa to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Santa Rosa Sonoma County to Buenos Aires?

American Airlines is the most popular carrier operating from Santa Rosa Sonoma County to Buenos Aires

What airlines fly to Buenos Aires?

United Airlines, American Airlines and Copa Airlines are the top three most popular airlines that fly to Buenos Aires from Santa Rosa according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 7 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

When to book flights from Santa Rosa to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Rosa to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Santa Rosa to Buenos Aires (STS to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to Buenos Aires

Fastest flight time

21h 38m

Direct flights

None
The fastest flight from Santa Rosa to Buenos Aires takes 21h 38m
There are no direct flights from Santa Rosa to Buenos Aires. There are no popular flight routes from Santa Rosa to Buenos Aires.
Search flight deals

  • How far is Santa Rosa Sonoma County to Buenos Aires by plane?

    Buenos Aires is 6507.0 mi away from Santa Rosa Sonoma County. Flights usually cover this in 21h 38m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Buenos Aires?

    Prices for flights from Santa Rosa Sonoma County Airport to Buenos Aires are updated daily.

  • How many operators does momondo search for flights from Santa Rosa Sonoma County Airport to Buenos Aires?

  • How old do you have to be to fly from Santa Rosa Sonoma County Airport to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Santa Rosa to Buenos Aires

Compare and see reviews for airlines that fly from Santa Rosa to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $1,305Free CancellationRating
7.1
11,488 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Santa Rosa to Buenos Aires?

It is quick and easy to find Santa Rosa to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

Can I find flights from Santa Rosa to Buenos Aires with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Santa Rosa to Buenos Aires flights to just show those with flexible booking policies.

How can momondo help me find flights from Santa Rosa to Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from Santa Rosa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Santa Rosa to Buenos Aires right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from Santa Rosa and alert you when they change.

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Mon 4/20
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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport