$78 Cheap Flights from Sacramento (SMF) to Seattle (SEA)

Popular airlines from Sacramento Intl. Airport (SMF) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Sacramento to Seattle (SMF-SEA)

Prices were available within the past 7 days and start at $78 for one-way flights and $147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Hawaiian Airlines
Bargain Flight
Delta
Bargain Flight
Southwest Airlines
Delta
Delta
Alaska Airlines
Delta

Find the cheapest month to fly from Sacramento (SMF) to Seattle (SEA)

September is typically the cheapest month to fly

From $67 - $157 per traveler.

Graph displaying average flight prices per month

Flights from Sacramento (SMF) to Seattle (SEA)
Origin airport
Sacramento Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$146
Distance
605 mi
Average flight time
1 hour 56 mins

Sacramento to Seattle Flights

The cheapest times to fly from Sacramento to Seattle

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 Sacramento to Seattle are during the month of July. You can find some of the cheapest flights from Sacramento to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sacramento to Seattle

Sunday is one of the best days to book for cheap flights from Sacramento to Seattle: 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 Sacramento to Seattle

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 Sacramento to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $78 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 Sacramento to Seattle 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 Sacramento to Seattle 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 Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA) cost?
You can pick up cheap return flights starting from $151 from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SMF on July 29 2025 and touching down at SEA. The price was last updated on July 2 2025 and has not changed since.
What is the cheapest month to fly from SMF to SEA?
The cheapest flights from SMF to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA)?
Enjoy an uninterrupted journey to Seattle - Tacoma Intl. Airport (SEA). 3 airlines offer direct flights from Sacramento Intl. Airport (SMF), including:

  • Alaska Airlines
  • Delta Air Lines
  • Southwest Airlines

What is the cheapest airline that flies from SMF to SEA?
With prices starting from $79 for a one-way flight from SMF to SEA, Alaska Airlines is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SMF on August 21 2025. Prices were last updated on July 2 2025 and have not changed since.
How many flights per day from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA)?
With, on average, 10 direct flights that operate from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA) every day, you'll be taking off on vacation soon enough.
What are the most popular departure times for flights from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA)?
Flights between SMF and SEA are their busiest at 2 PM. If you'd like a more relaxed trip and potentially cheaper prices, look for a departure that's outside typical rush times.
What day of the week has the most flights from SMF to SEA?
Friday offers the most flights from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA). Consider taking off on this day and you'll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA)?
Sacramento Intl. Airport (SMF)'s first flight to Seattle - Tacoma Intl. Airport (SEA) is at approximately 6:20AM UTC-8. With a total travel time of 2h 18m, you'll arrive at around 8:38AM UTC-8.
How long does it take to fly from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA)?
The average flight time from SMF to SEA is 2 hours and 7 minutes, covering a total distance of 610 mi.
What airline has the least delays from SMF to SEA?
Consider traveling with Alaska Airlines if you'd like to go straight from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA) without any delays. This carrier has the best track record for punctuality, with an on-time performance of 83%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA)?
Select a flight from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Sacramento Intl. Airport (SMF)?
Seattle - Tacoma Intl. Airport (SEA) is the only airport in Seattle with direct flights from Sacramento Intl. Airport (SMF). Check out the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Waiting until just before your departure to book a ticket from SMF to SEA often results in higher prices. While you might find some last-minute discounts, there's no guarantee. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book a SMF to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a SMF to SEA flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Sacramento Intl. Airport (SMF) to Seattle - Tacoma Intl. Airport (SEA)?
In most instances, you can modify or cancel your SMF to SEA flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more information, go to our Customer Service portal.

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