How popular is this Seattle to Austin flight route?

The Seattle/Tacoma Intl to Austin Bergstrom flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Seattle to Austin?

A quick flight from Seattle to Austin can take about 4h 07m. Alaska Airlines provides one of the quickest options available for as low as $227. Airlines will cover a distance of 1768 mi. Most flights are nonstop.

What are the cheapest airlines flying from Seattle to Austin round-trip?

According to our current data, Spirit Airlines ($64), Hawaiian Airlines ($118), and Frontier ($130) offers the cheapest pricing from Seattle to Austin. These flights start at 81% lower than the current average price 3 months from now.

Weekly flight availability from Seattle to Austin

The most flights from SEA to AUS are scheduled on a Thursday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

What are the cheapest flights from Seattle to Austin?

While on average a flight from Seattle to Austin is generally $544, our data shows the cheapest flight currently is $118. When looking at the most popular route, (Seattle/Tacoma Intl - Austin Bergstrom), you can expect to pay $153 for that flight.

What are the most reliable airlines from Seattle to Austin?

Consider KLM (82%), Aeromexico (81%) or Air France (80%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Austin.

What are the most popular airlines that fly from Seattle to Austin?

Before booking your flight from Seattle to Austin check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

What is the cheapest day to fly round-trip from Seattle to Austin?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 29% on the overall cost on flights from Seattle to Austin.

How far in advance should I book a flight from Seattle to Austin?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 35 days in advance, which can save you up to 62% on flights from Seattle to Austin compared to booking the week you need them. Waiting 35 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $449. For sooner than that we have options available in the next 3 days from $562.

What is the cheapest month to fly from Seattle to Austin?

The best pricing can be found in the month of September. Prices to Austin from Seattle average $347. You can even find prices in September for less than $347, as users have found deals to Austin from as low as $176. The month of December appears to be one of the more expensive times to travel to Austin from Seattle. Flying in the targeted month can save you up to 26%.

What airports do I use to fly from Seattle to Austin?

You will need to book a flight from Seattle/Tacoma Intl to Austin Bergstrom if you want to fly from Seattle to Austin. At least 8 different airlines have flights from Seattle/Tacoma Intl (SEA) to Austin Bergstrom (AUS) on a regular basis. There are 15 flights to Austin from the Seattle airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SEA to AUS to be around 4h 00m.

Can I find deals for flights from Seattle to Austin that include hotel bookings?

Yes. In addition to deals on Seattle to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Austin?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Austin.

Can I find deals for business class flights from Seattle to Austin?

Yes. Cheapflights offers flight deals from Seattle to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$119+ Cheap Flights from Seattle to Austin

Q: How much does it cost to fly round-trip from Seattle to Austin?

Airfare is below average for this route at the moment. Seattle to Austin flights typically cost between $224 and $377 in January. The cheapest round-trip price found within the last 3 days was $197 on Alaska Airlines (Jan 20-Jan 27).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Seattle to Austin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Austin Bergstrom are usually found in September or January, booked 88 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap flight deals from Seattle to Austin

Round-trip from	$197 (Alaska Airlines)
One-way from	$119 (United Airlines)
Popular in	December
Cheapest in	September
Average price	$277
Good round-trip deal	$266 or less
Good one-way deal	$201 or less

From Seattle/Tacoma Intl to Austin Bergstrom

Search Deals

One-way flight from Seattle/Tacoma Intl to Austin Bergstrom

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from Seattle/Tacoma Intl to Austin Bergstrom.

Search Deals

Price to beat on a one-way flight from Seattle/Tacoma Intl to Austin Bergstrom.

Search Deals

Find flight deals from Seattle to Austin

Cheapest flights from Seattle to Austin
Explore the most affordable flight options available from Seattle to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Tue 10/75:50 pmSEA - AUS

Nonstop4h 07mDelta

Tue 10/146:16 amAUS - SEA

Nonstop4h 39mDelta

Deal found 9/11

$197

Fri 11/72:22 pmSEA - AUS

1 stop8h 10mFrontier

Sun 11/96:00 amAUS - SEA

1 stop8h 13mFrontier

Deal found 9/9

$198

Sun 11/92:22 pmSEA - AUS

1 stop8h 10mFrontier

Fri 11/148:50 pmAUS - SEA

1 stop13h 28mFrontier

Deal found 9/9

$199

Sat 11/810:15 amSEA - AUS

2 stops7h 10mSouthwest

Wed 11/192:35 pmAUS - SEA

2 stops9h 15mSouthwest

Deal found 9/8

$201

Thu 9/258:31 pmSEA - AUS

1 stop13h 13mFrontier

Sun 10/59:41 pmAUS - SEA

1 stop13h 39mFrontier

Deal found 9/10

$202

Tue 10/141:02 pmSEA - AUS

1 stop9h 31mFrontier

Wed 10/226:00 amAUS - SEA

1 stop8h 07mFrontier

Deal found 9/11

$203

Mon 10/208:43 pmSEA - AUS

1 stop25h 50mFrontier

Mon 10/276:00 amAUS - SEA

1 stop8h 07mFrontier

Deal found 9/10

$204

Wed 10/229:04 amSEA - AUS

Nonstop4h 06mAlaska Airlines

Sat 10/258:15 amAUS - SEA

1 stop8h 20mAlaska Airlines

Deal found 9/9

$207

Thu 9/258:31 pmSEA - AUS

1 stop13h 13mFrontier

Sun 9/289:41 pmAUS - SEA

1 stop13h 39mFrontier

Deal found 9/11

$208

Fri 10/36:12 amSEA - AUS

1 stop12h 16mFrontier

Mon 10/69:23 pmAUS - SEA

1 stop16h 44mFrontier

Deal found 9/11

$210

Fri 9/2612:30 pmSEA - AUS

2 stops31h 30mFrontier

Wed 10/18:00 amAUS - SEA

1 stop16h 59mFrontier

Deal found 9/10

$211

Sat 9/207:00 amSEA - AUS

1 stop13h 00mFrontier

Tue 9/308:00 amAUS - SEA

1 stop16h 59mFrontier

Deal found 9/9

$212

Best flights from Seattle to Austin
Discover carefully curated flight deals from Seattle to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Sat 11/85:59 pmSEA - AUS

Nonstop4h 15mAlaska Airlines

Wed 11/198:30 amAUS - SEA

1 stop7h 29mAlaska Airlines

Deal found 9/8

$207

Tue 10/285:50 pmSEA - AUS

Nonstop4h 07mDelta

Mon 11/36:04 pmAUS - SEA

Nonstop4h 36mDelta

Deal found 9/9

$227

Sun 12/712:40 pmSEA - AUS

2 stops8h 55mSouthwest

Wed 12/105:50 amAUS - SEA

1 stop6h 25mSouthwest

Deal found 9/11

$244

Sat 10/117:00 amSEA - AUS

1 stop7h 31mUnited Airlines

Sun 11/96:00 amAUS - SEA

1 stop8h 18mUnited Airlines

Deal found 9/10

$247

Tue 10/79:04 amSEA - AUS

Nonstop4h 06mHawaiian Airlines

Tue 10/146:00 amAUS - SEA

1 stop7h 46mHawaiian Airlines

Deal found 9/9

$247

Sun 11/99:09 amSEA - AUS

Nonstop4h 05mAlaska Airlines

Tue 11/187:18 pmAUS - SEA

Nonstop4h 36mAlaska Airlines

Deal found 9/9

$227

Fri 10/105:50 pmSEA - AUS

Nonstop4h 07mDelta

Tue 10/146:16 amAUS - SEA

Nonstop4h 39mDelta

Deal found 9/9

$227

Fri 10/1011:10 pmSEA - AUS

1 stop7h 20mUnited Airlines

Tue 10/145:37 pmAUS - SEA

1 stop7h 38mUnited Airlines

Deal found 9/9

$247

Wed 10/85:21 amSEA - AUS

1 stop9h 22mAlaska Airlines

Wed 10/157:47 pmAUS - SEA

Nonstop4h 33mAlaska Airlines

Deal found 9/9

$237

Tue 10/77:52 amSEA - AUS

1 stop13h 15mAlaska Airlines

Tue 10/147:15 amAUS - SEA

Nonstop4h 32mAlaska Airlines

Deal found 9/10

$237

Fri 10/105:50 pmSEA - AUS

Nonstop4h 06mAlaska Airlines

Tue 10/147:15 amAUS - SEA

Nonstop4h 32mAlaska Airlines

Deal found 9/9

$257

Last-minute flights from Seattle to Austin
Discover last-minute flight deals from Seattle to Austin. Data last updated September 11, 2025 and is based on user searches.

Sat 9/207:00 amSEA - AUS

1 stop13h 00mFrontier

Tue 9/308:00 amAUS - SEA

1 stop16h 59mFrontier

Deal found 9/9

$212

Thu 9/258:31 pmSEA - AUS

1 stop13h 13mFrontier

Sun 10/59:41 pmAUS - SEA

1 stop13h 39mFrontier

Deal found 9/10

$202

Thu 9/258:31 pmSEA - AUS

1 stop13h 13mFrontier

Sun 9/289:41 pmAUS - SEA

1 stop13h 39mFrontier

Deal found 9/11

$208

Fri 9/2612:30 pmSEA - AUS

2 stops31h 30mFrontier

Wed 10/18:00 amAUS - SEA

1 stop16h 59mFrontier

Deal found 9/10

$211

Fri 10/36:12 amSEA - AUS

1 stop12h 16mFrontier

Mon 10/69:23 pmAUS - SEA

1 stop16h 44mFrontier

Deal found 9/11

$210

Tue 10/75:50 pmSEA - AUS

Nonstop4h 07mDelta

Tue 10/146:16 amAUS - SEA

Nonstop4h 39mDelta

Deal found 9/11

$197

Tue 10/141:02 pmSEA - AUS

1 stop9h 31mFrontier

Wed 10/226:00 amAUS - SEA

1 stop8h 07mFrontier

Deal found 9/11

$203

Mon 10/208:43 pmSEA - AUS

1 stop25h 50mFrontier

Mon 10/276:00 amAUS - SEA

1 stop8h 07mFrontier

Deal found 9/10

$204

Wed 10/229:04 amSEA - AUS

Nonstop4h 06mAlaska Airlines

Sat 10/258:15 amAUS - SEA

1 stop8h 20mAlaska Airlines

Deal found 9/9

$207

Wed 10/228:43 pmSEA - AUS

2 stops21h 18mFrontier

Sat 10/257:45 amAUS - SEA

1 stop6h 22mFrontier

Deal found 9/10

$215

Sat 10/258:43 pmSEA - AUS

1 stop10h 38mFrontier

Mon 10/276:00 amAUS - SEA

1 stop8h 07mFrontier

Deal found 9/9

$213

Tue 10/2812:58 pmSEA - AUS

1 stop9h 34mFrontier

Thu 10/307:02 pmAUS - SEA

2 stops19h 11mFrontier

Deal found 9/9

$214

One-way flights from Seattle to Austin
Search for one-way flight options from Seattle to Austin. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Wed 10/155:00 amSEA - AUS

1 stop6h 16mUnited Airlines

Deal found 9/10

$119

Sat 10/411:10 amSEA - AUS

2 stops8h 15mUnited Airlines

Deal found 9/9

$124

Fri 10/1010:00 pmSEA - AUS

2 stops24h 33mFrontier

Deal found 9/10

$125

Sun 10/54:36 pmSEA - AUS

2 stops27h 13mFrontier

Deal found 9/9

$127

Mon 10/204:11 pmSEA - AUS

2 stops30h 22mFrontier

Deal found 9/9

$128

Thu 10/97:00 amSEA - AUS

1 stop7h 31mUnited Airlines

Deal found 9/11

$129

Mon 9/294:36 pmSEA - AUS

2 stops26h 22mFrontier

Deal found 9/10

$131

Tue 9/306:15 amSEA - AUS

2 stops9h 20mSouthwest

Deal found 9/11

$132

Sun 10/268:43 pmSEA - AUS

2 stops19h 16mFrontier

Deal found 9/11

$136

Sat 9/277:00 amSEA - AUS

1 stop13h 00mFrontier

Deal found 9/11

$138

Fly from

Fly to

Route

Depart

Return

Price

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 11/8

5:59 pm-12:14 am

Nonstop4h 15m

Austin Bergstrom

Wed 11/19

8:30 am-1:59 pm

1 stop7h 29m

$207

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 10/28

5:50 pm-11:57 pm

Nonstop4h 07m

Austin Bergstrom

Mon 11/3

6:04 pm-8:40 pm

Nonstop4h 36m

$227

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sun 11/9

9:09 am-3:14 pm

Nonstop4h 05m

Austin Bergstrom

Tue 11/18

7:18 pm-9:54 pm

Nonstop4h 36m

$227

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 10/10

5:50 pm-11:57 pm

Nonstop4h 07m

Austin Bergstrom

Tue 10/14

6:16 am-8:55 am

Nonstop4h 39m

$227

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Wed 10/8

5:21 am-4:43 pm

1 stop9h 22m

Austin Bergstrom

Wed 10/15

7:47 pm-10:20 pm

Nonstop4h 33m

$237

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 10/7

7:52 am-11:07 pm

1 stop13h 15m

Austin Bergstrom

Tue 10/14

7:15 am-9:47 am

Nonstop4h 32m

$237

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sun 12/7

12:40 pm-11:35 pm

2 stops8h 55m

Austin Bergstrom

Wed 12/10

5:50 am-10:15 am

1 stop6h 25m

$244

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Sat 10/11

7:00 am-4:31 pm

1 stop7h 31m

Austin Bergstrom

Sun 11/9

6:00 am-12:18 pm

1 stop8h 18m

$247

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Tue 10/7

9:04 am-3:10 pm

Nonstop4h 06m

Austin Bergstrom

Tue 10/14

6:00 am-11:46 am

1 stop7h 46m

$247

SeattleAustin

SEA - AUS

SEAAUS

Seattle/Tacoma Intl

Fri 10/10

11:10 pm-8:30 am

1 stop7h 20m

Austin Bergstrom

Tue 10/14

5:37 pm-11:15 pm

1 stop7h 38m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 22 results

The best insider tips for Seattle to Austin flights

Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Austin trip

Airports

SEA

Plan to arrive at SEA at least two hours before your flight due to potentially long security lines.

AUS

Use the CapMetro Route 20 bus for a budget-friendly ride from AUS to downtown Austin.

Our travel experts

Brandon Schultz

Expert on SEA

Ramsey Qubein

Expert on AUS

Best time to book a flight from Seattle to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Seattle 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 Seattle to Austin

Prices

Airlines

How far ahead should I book a flight from Seattle to Austin?

The best time to book flights from Seattle to Austin is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Austin?

Currently, August is the cheapest month in which you can book a flight from Seattle to Austin (average of $285). Flying from Seattle to Austin in March is currently the most expensive (average of $362). 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.

What is the cheapest time of day to fly from SEA to AUS?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Seattle to Austin by exploring options for tickets at noon.

What is the cheapest day to fly from Seattle to Austin?

Travelers seeking maximum savings on their Seattle to Austin flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Seattle to Austin?

Reviews of airlines servicing Austin

Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Austin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Delta

8.0

Very good

7,960 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Hawaiian Airlines

7.8

Good

2,723 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Frontier

5.8

Fair

3,177 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

What airports do I use to fly from Seattle to Austin?
You will need to book a flight from Seattle/Tacoma Intl to Austin Bergstrom if you want to fly from Seattle to Austin. At least 8 different airlines have flights from Seattle/Tacoma Intl (SEA) to Austin Bergstrom (AUS) on a regular basis. There are 15 flights to Austin from the Seattle airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SEA to AUS to be around 4h 00m.
How popular is this Seattle to Austin flight route?
The Seattle/Tacoma Intl to Austin Bergstrom flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Seattle to Austin?
A quick flight from Seattle to Austin can take about 4h 07m. Alaska Airlines provides one of the quickest options available for as low as $227. Airlines will cover a distance of 1768 mi. Most flights are nonstop.
What are the cheapest airlines flying from Seattle to Austin round-trip?
According to our current data, Spirit Airlines ($64), Hawaiian Airlines ($118), and Frontier ($130) offers the cheapest pricing from Seattle to Austin. These flights start at 81% lower than the current average price 3 months from now.
What are the most reliable airlines from Seattle to Austin?
Consider KLM (82%), Aeromexico (81%) or Air France (80%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Austin.
What are the cheapest flights from Seattle to Austin?
While on average a flight from Seattle to Austin is generally $544, our data shows the cheapest flight currently is $118. When looking at the most popular route, (Seattle/Tacoma Intl - Austin Bergstrom), you can expect to pay $153 for that flight.
Can I find deals for flights from Seattle to Austin that include hotel bookings?
Yes. In addition to deals on Seattle to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Austin?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Austin.
Can I find deals for business class flights from Seattle to Austin?
Yes. Cheapflights offers flight deals from Seattle to Austin 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 Seattle to Austin?
Currently, August is the cheapest month in which you can book a flight from Seattle to Austin (average of $285). Flying from Seattle to Austin in March is currently the most expensive (average of $362). 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.

See more FAQs

San Marcos

Round Rock

Fredericksburg

Pflugerville

Dripping Springs

Georgetown

Cedar Park

Canyon Lake

Seguin

Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Austin

Seattle to Dallas/Fort Worth flights

Seattle to Hobby flights

Portland to Dallas/Fort Worth flights

Seattle to George Bush Intcntl flights

Seattle to Love Field flights

Seattle to San Antonio flights

Portland to Hobby flights

Portland to Austin flights

Portland to George Bush Intcntl flights

Spokane to Dallas/Fort Worth flights

Seattle to El Paso flights

Portland to Love Field flights

Portland to San Antonio flights

Spokane to Hobby flights

Spokane to George Bush Intcntl flights

Spokane to Love Field flights

Pasco to Dallas/Fort Worth flights

Bellingham to Dallas/Fort Worth flights

Seattle to Corpus Christi flights

Spokane to San Antonio flights

Pasco to Hobby flights

Seattle to Brownsville flights

Seattle to Amarillo flights

Spokane to Austin flights

Portland to El Paso flights

Portland to Brownsville flights

Pasco to George Bush Intcntl flights

Seattle to McAllen flights

Pasco to Austin flights

Spokane to Amarillo flights

Spokane to Midland flights

Seattle to Laredo flights

Seattle to Harlingen flights

Pasco to San Antonio flights

Portland to Corpus Christi flights

Seattle to Lubbock flights

Spokane to El Paso flights

Portland to Amarillo flights

Bellingham to George Bush Intcntl flights

Bellingham to Hobby flights

Portland to Harlingen flights

Seattle to Midland flights

Spokane to Lubbock flights

Pullman to Dallas/Fort Worth flights

Portland to Lubbock flights

Spokane to McAllen flights

Pasco to El Paso flights

Seattle to Killeen flights

Pullman to San Antonio flights

Other flights to Austin

Complete your trip

Austin car rentals

Austin Bergstrom Airport car rentals

San Antonio Airport car rentals

Killeen Fort Hood Regional Airport car rentals

Waco Airport car rentals

College Station Easterwood Field Airport car rentals

Houston car rentals

Dallas car rentals

San Antonio car rentals

El Paso car rentals

Lubbock car rentals

Killeen car rentals

Top 8 airlines flying from Seattle to Austin

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$64	Average$224	FlexibilityNo cancel fee	On-time65%
Hawaiian Airlines	Cheapest$118	Average$309	FlexibilityNo cancel fee	On-time85%
Frontier	Cheapest$130	Average$236	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$197	Average$345	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$211	Average$391	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$216	Average$296	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$266	Average$479	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$275	Average$416	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$119+ Cheap flights from Seattle to Austin (SEA - AUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Austin with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Austin Bergstrom are usually found in September or January, booked 88 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap flight deals from Seattle to Austin

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Seattle to Austin

Cheapest flights from Seattle to AustinExplore the most affordable flight options available from Seattle to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Seattle to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Austin that are best for you.

The best insider tips for Seattle to Austin flights

Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Austin trip

Airports

SEA

AUS

Our travel experts

Best time to book a flight from Seattle to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Austin

How far ahead should I book a flight from Seattle to Austin?

What is the cheapest month to book a flight from Seattle to Austin?

What is the cheapest time of day to fly from SEA to AUS?

What is the cheapest day to fly from Seattle to Austin?

How much does it cost to fly round-trip from Seattle to Austin?

Weekly flight availability from Seattle to Austin

Reviews of airlines servicing Austin

Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Austin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Seattle to Austin?

How popular is this Seattle to Austin flight route?

How long is the flight from Seattle to Austin?

What are the cheapest airlines flying from Seattle to Austin round-trip?

What are the most reliable airlines from Seattle to Austin?

What are the cheapest flights from Seattle to Austin?

Can I find deals for flights from Seattle to Austin that include hotel bookings?

How can I find direct flights from Seattle to Austin?

Can I find deals for business class flights from Seattle to Austin?

What is the cheapest month to book a flight from Seattle to Austin?

Traveling to a place near Austin?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Austin

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Seattle to Austin

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Seattle to Austin
Explore the most affordable flight options available from Seattle to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.