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St. John's

$857+ Cheap flights from Santa Rosa (STS) to St. John's (ANU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
STS — ANU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Santa Rosa to St. John's

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to St. John's (ANU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$857
(American Airlines)

Popular in

May

Cheapest in

January

Average price

$605
From Santa Rosa Sonoma County to St. John's V.C. Bird Intl
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Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Santa Rosa to St. John's

Cheapest flights from Santa Rosa to St. John's
Explore the most affordable flight options available from Santa Rosa to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/274:17 pmSTS - ANU
2 stops20h 20mAmerican Airlines
Thu 10/301:10 pmANU - STS
2 stops26h 11mAmerican Airlines
Deal found 9/9$857

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to St. John's 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 September 11, 2025.
Use the filters below to find and compare flights from Santa Rosa to St. John's that are best for you.

Fly from

Santa Rosa

Fly to

St. John's

Route

Depart

Return

Price

Santa RosaSt. John's

STS - ANU

STSANU

Santa Rosa Sonoma County

Mon 10/27

4:17 pm-3:37 pm

2 stops20h 20m

St. John's V.C. Bird Intl

Thu 10/30

1:10 pm-12:21 pm

2 stops26h 11m

$857

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Santa Rosa to St. John's

Have a flexible travel schedule? Discover the best time to fly to St. John's 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 St. John's

What is the cheapest month to book a flight from Santa Rosa to St. John's, Saint John?

Currently, August is the cheapest month in which you can book a flight from Santa Rosa to St. John's, Saint John (average of $500). Flying from Santa Rosa to St. John's, Saint John in June is currently the most expensive (average of $651). 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 St. John's. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Santa Rosa to St. John's, Saint John?

    Airlines like American Airlines fly from Santa Rosa to St. John's, Saint John in about 20h 20m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3930 mi.

  • Can I find deals for flights from Santa Rosa to St. John's that include hotel bookings?

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

  • How can I find direct flights from Santa Rosa to St. John's?

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

  • Can I find deals for business class flights from Santa Rosa to St. John's?

    Yes. Cheapflights offers flight deals from Santa Rosa to St. John's 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 St. John's, Saint John?

    Currently, August is the cheapest month in which you can book a flight from Santa Rosa to St. John's, Saint John (average of $500). Flying from Santa Rosa to St. John's, Saint John in June is currently the most expensive (average of $651). 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.

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