Cheap Flights from San Francisco (SFO) to Renton (RNT)

Popular airlines from San Francisco Intl. Airport (SFO) to Renton, WA (RNT-Renton Municipal)

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Alternative airports near Renton

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Snohomish County - Paine Field PAE. Cheapest option available. Average driving time to city center is 41 minutes. Flights from $227
PAE
Snohomish County - Paine Field
Cheapest
Average driving time to city center41 min
Flights from $227
Flights from San Francisco (SFO) to Renton (RNT)
Origin airport
San Francisco Intl.
Destination airport
Renton Municipal
Distance
681 mi

San Francisco to Renton Flights

The cheapest times to fly from San Francisco to Renton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Renton are during the month of . You can find some of the cheapest flights from San Francisco to Renton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Renton

Sunday is one of the best days to book for cheap flights from San Francisco to Renton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Renton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Renton in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Renton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Renton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Renton Municipal Airport (RNT) cost?
Discover the latest flight deals from SFO to RNT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SFO to RNT?
The cheapest flights from SFO to RNT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SFO to RNT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SFO to RNT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Renton Municipal Airport (RNT)?
There aren't any daily nonstop flights from San Francisco Intl. Airport (SFO) to Renton Municipal Airport (RNT). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from SFO to RNT?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Renton Municipal Airport (RNT)?
To avoid potential delays on the San Francisco Intl. Airport (SFO) to Renton Municipal Airport (RNT) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from San Francisco Intl. Airport (SFO)?
Take a direct flight from San Francisco Intl. Airport (SFO) to Seattle and arrive at Seattle - Tacoma Intl. Airport (SEA). An alternative entry point into this destination is Snohomish County - Paine Field Airport (PAE).
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Renton Municipal Airport (RNT) last-minute?
Last-minute fares from SFO to RNT are typically more expensive. For the lowest rates, start searching for flights early. That being said, if your travel plans are flexible, you may score a cheap fare right before you leave.
Is it cheaper to book a SFO to RNT flight and hotel package?
You'll typically save money by securing a SFO to RNT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your preferred flights and accommodations, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Renton Municipal Airport (RNT)?
If you reserved your SFO to RNT flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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Renton nearby Airports

Seattle

San Francisco to Seattle - Tacoma Intl.
$131.00
San Francisco to Boeing Field
$674.60

Seattle Paine Field Intl. Airport

San Francisco to Seattle Paine Field Intl. Airport
$136.60
*Available to One Key members.