How do I get Price Alerts for flights from State of Washington to Rosario?

Confirm your travel details to search for the latest offers for flights from State of Washington to Rosario . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from State of Washington to Rosario with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Washington to Rosario Fisherton Airport?

Prices for flights from Washington to Rosario Fisherton Airport refresh daily.

How old do you have to be to fly from Washington to Rosario Fisherton Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Rosario Fisherton Airport.

What documentation or ID do you need to fly to Rosario Fisherton Airport?

The required travel and health documents for your Rosario Fisherton Airport 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 Rosario Fisherton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,680 Cheap Flights from Washington to Rosario in 2026

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Find the cheapest flights from Washington to Rosario

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:55 pm - 6:05 am

PDX

ROS

51h 10m

2 stops

7:35 am - 7:05 pm

ROS

PDX

39h 30m

2 stops

$1,680LATAM Airlines

Sun, Apr 19 - Sun, Apr 26

6:14 pm - 6:05 am

GEG

ROS

31h 51m

2 stops

7:35 am - 3:29 pm

ROS

GEG

35h 54m

2 stops

$1,833Multiple Airlines

Wed, May 6 - Wed, May 13

10:40 pm - 6:05 am

GEG

ROS

27h 25m

2 stops

12:10 pm - 3:33 pm

ROS

GEG

31h 23m

3 stops

$2,154LATAM Airlines

Wed, May 6 - Wed, May 13

10:55 pm - 11:10 am

PDX

ROS

56h 15m

3 stops

7:35 am - 11:44 pm

ROS

PDX

20h 09m

2 stops

$2,558Multiple Airlines

Sun, Apr 19 - Sun, Apr 26

LATAM Airlines flights from State of Washington to Rosario

Our best LATAM Airlines deals on State of Washington to Rosario flight tickets

LATAM Airlines

Apr 19

PDX10:55 pmPortland

51h 10m

2 stops

ROS6:05 amRosario Fisherton

Apr 26

ROS7:35 amRosario Fisherton

39h 30m

2 stops

PDX7:05 pmPortland

$1,680

LATAM Airlines

May 6

GEG10:40 pmSpokane

27h 25m

2 stops

ROS6:05 amRosario Fisherton

May 13

ROS12:10 pmRosario Fisherton

31h 23m

3 stops

GEG3:33 pmSpokane

$2,154

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandRosario

PDX - ROS

PDXROS

Portland

Sun 4/19

10:55 pm-6:05 am

2 stops51h 10m

Rosario Fisherton

Sun 4/26

7:35 am-7:05 pm

2 stops39h 30m

$1,680

SpokaneRosario

GEG - ROS

GEGROS

Spokane

Wed 5/6

6:14 pm-6:05 am

2 stops31h 51m

Rosario Fisherton

Wed 5/13

7:35 am-3:29 pm

2 stops35h 54m

$1,833

Quickest round-trip

SpokaneRosario

GEG - ROS

GEGROS

Spokane

Wed 5/6

10:40 pm-6:05 am

2 stops27h 25m

Rosario Fisherton

Wed 5/13

12:10 pm-3:33 pm

3 stops31h 23m

$2,154

PortlandRosario

PDX - ROS

PDXROS

Portland

Sun 4/19

10:55 pm-11:10 am

3 stops56h 15m

Rosario Fisherton

Sun 4/26

7:35 am-11:44 pm

2 stops20h 09m

$2,558

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap State of Washington to Rosario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Rosario

Fastest flight time	31h 51m
Direct flights	None

The fastest flight from State of Washington to Rosario takes 31h 51m

There are no direct flights from State of Washington to Rosario. There are no popular flight routes from State of Washington to Rosario.

Search flight deals

When did momondo last update prices for flights from Washington to Rosario Fisherton Airport?
Prices for flights from Washington to Rosario Fisherton Airport refresh daily.
How old do you have to be to fly from Washington to Rosario Fisherton Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Rosario Fisherton Airport.
What documentation or ID do you need to fly to Rosario Fisherton Airport?
The required travel and health documents for your Rosario Fisherton Airport 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 Rosario Fisherton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

How do I get Price Alerts for flights from State of Washington to Rosario?
Confirm your travel details to search for the latest offers for flights from State of Washington to Rosario. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from State of Washington to Rosario with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Rosario?

It is quick and easy to find Washington to Rosario 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 Rosario that suits you.

Can I find flights from Washington to Rosario with flexible booking policies on momondo?

All flight searches from Washington to Rosario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to Rosario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Rosario.

I’m not ready to book a flight from Washington to Rosario right now. Can momondo alert me if prices change?

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