Cheap flights from Seattle to Austin from $75
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 8/26. 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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Alaska Airlines flights from Seattle to Austin
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Hawaiian Airlines flights from Seattle to Austin
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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?
The cheapest month to fly to Austin from Seattle is in September. Flight prices, which tend to average around $261, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in September, then January is your next best option. Flight prices from Seattle to Austin during January average around $296.
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 Wednesday when prices can be found for as low as $331. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Austin for around $428.
What is the cheapest time of day to depart on your flight to Austin?
In the afternoon is the cheapest time of day to fly from Seattle to Austin when you can find flight prices for as low as $345. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the evening, with an average ticket price of $399. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
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 weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $355 when searching 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 $273 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Austin Bergstrom flights?
There are 4 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.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Austin Bergstrom?
Frontier, Delta, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Austin Bergstrom
What airlines fly to Austin?
Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Austin from Seattle according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 8 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Austin on average per day?
21 flights are operational daily from Seattle to Austin as of July 2025. The most popular departure time for this route is 5:00PM, with 54% of flights per day taking off in the afternoon.
How many flights depart from Seattle to Austin on average per week?
As of July 2025, 147 flights take off from Seattle and land in Austin each week. The most common flight departure day for this route is Mon, with 20% of weekly flights 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?
There are 1768.1 mi between Seattle/Tacoma Intl and Austin Bergstrom. In terms of flight time, this usually takes a little over 4h 06m.
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 are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?
As of July 2025, there are 8 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 flights between Seattle and Austin, the leading plane model is Boeing 737-900 Passenger/BBJ3 (winglets), making up 27.41% of the total bookings. Other popular models include Boeing 737 with 27.24%, Boeing 737 MAX 9 with 22.88%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 7.26%.
What is the most popular airline from Seattle to Austin?
momondo data reveals that the most frequently booked airline on the route from Seattle to Austin is Alaska Airlines, representing 51% of all bookings. The subsequent popular airlines are Delta at 36%, Hawaiian Airlines at 4%, and Frontier at 3%.
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 $64 | Free Cancellation | Rating 6.3 8,103 reviews | |||
| PriceFrom $130 | Free Cancellation | Rating 5.9 3,291 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 7.8 2,542 reviews | |||
| PriceFrom $181 | Free Cancellation | Rating 8.0 7,975 reviews | |||
| PriceFrom $211 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 7.4 8,858 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 8.0 4,272 reviews |
Delta Flights From Seattle to Austin
Delta operates around 11 flights from Seattle to Austin every week. The average price of these flights found in the last 72 hours has been $340, but momondo users have found Delta deals from Seattle to Austin from as low as $181 round-trip. Delta has been scored 8.0/10 in 7,975 reviews.
Alaska Airlines Flights From Seattle to Austin
Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Seattle to Austin start from as low as $211 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $389. Alaska Airlines operates 20 flights to Austin from Seattle in an average week. Users have rated it 8.0/10 across 10,000 reviews.
Traveling 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?
momondo does allow users to show only those flights to Austin from Seattle which offer a flexible booking policy as well as other useful filters and features.
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?
Yes. momondo can track prices for Seattle to Austin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.