Cheap flights from Seattle to Austin from C$ 149
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Austin departing on 23/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Seattle to Austin
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 month to fly to Austin?
In general, September is the cheapest month to fly from Seattle to Austin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 339. If you don’t want to visit Austin in September, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of C$ 405.
What is the cheapest day to depart on your flight to Austin?
The cheapest day to depart on your flight to Austin is on a Sunday when prices can be found for as low as C$ 200. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Austin is Monday, with ticket prices averaging around C$ 543.
What is the cheapest time of day to depart on your flight to Austin?
Our most recent data shows that the best time of day to fly to Austin is at noon. Flights from Seattle to Austin during this time can be as low as C$ 390. Flights in the evening are often more expensive with an average ticket price of C$ 554.
What is the cheapest Seattle/Tacoma Intl to Austin Bergstrom flight route?
Fly from Seattle/Tacoma Intl to Austin Bergstrom for the best Seattle/Tacoma Intl - Austin Bergstrom flight prices
How far in advance should I book a flight to Austin?
You are more likely to see cheaper flights to Austin from Seattle when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Austin for around C$ 485 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Seattle for as low as C$ 373 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Austin Bergstrom flights?
There are 1 cabin classes available to choose from on Seattle/Tacoma Intl to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Seattle to Austin on average per day?
As of June 2025, 17 flights take off from Seattle and land in Austin each day. The most common flight departure time for this route is 5:00p.m., with 43% of daily flights taking off in the afternoon.
How many flights depart from Seattle to Austin on average per week?
121 flights are operational weekly from Seattle to Austin as of June 2025. The most popular departure day for this route is Tue, with 23% of flights per week taking off on this day.
When to book flights from Seattle to Austin
Cheap Seattle to Austin (SEA to AUS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Austin
How far is Seattle/Tacoma Intl to Austin Bergstrom by plane?
The straight-line distance from Seattle/Tacoma Intl to Austin Bergstrom is 2845.4 km. 4h 06m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?
As of June 2025, there are 2 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?
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 Seattle/Tacoma Intl Airport to Austin Bergstrom Airport.
What documentation or ID do you need to fly to Austin Bergstrom Airport?
The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Seattle to Austin?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to Austin is Boeing 737 (27.32% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (26.97%), Boeing 737 MAX 9 (20.50%), and Boeing 737-800 Passenger/BBJ2 (winglets) (8.16%).
What is the most popular airline from Seattle to Austin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Austin is Alaska Airlines (77% of total bookings). The next most popular airline is Delta (23%).
Best airlines flying from Seattle to Austin
Compare and see reviews for airlines that fly from Seattle to Austin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 161 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom C$ 226 | Free Cancellation | Rating 8.0 10,000 reviews |
Delta Flights From Seattle to Austin
The lowest priced Delta flight from Seattle to Austin from the last 72 hours was C$ 117. Generally, Delta has 18 flights on this route every week with an average price of C$ 267. Delta is rated 8.0/10 by our users.
Alaska Airlines Flights From Seattle to Austin
Alaska Airlines (8.0/10 from 10,000 reviews) operates around 15 flights from Seattle to Austin in any given week. The average Alaska Airlines airfare for this route is around C$ 287, with deals from around C$ 165 rare but found on momondo. Referenced prices are for round-trip Seattle to Austin flight searches in the last 72 hours.
Travelling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Austin?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Austin . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Seattle to Austin with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Seattle to Austin flights to just show those with flexible booking policies.
How can momondo help me find flights from Seattle to Austin?
Once you have performed a search for Seattle to Austin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Seattle to Austin right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to Austin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Austin and let you know when they change.