This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SEA
13 Oct — 20 Oct1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Austin Bergstrom to Seattle/Tacoma Intl are usually found in January or April, booked 62 days in advance, depart on a Tuesday or Monday and return on a Friday
Cheap flight deals from Austin to Seattle
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Cheapest flights from Austin to Seattle
Explore the most affordable flight options available from Austin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2026.
Tue 13/106:00 a.m. -
1 stop10h 17m
Tue 13/105:08 p.m. -
Nonstop4h 06m
Deal found 8/9C$ 397
Tue 29/96:02 a.m. -
1 stop10h 37m
Tue 29/95:06 p.m. -
Nonstop4h 08m
Deal found 8/9C$ 405
Thu 15/107:59 p.m. -
1 stop20h 18m
Fri 16/105:08 p.m. -
Nonstop4h 06m
Deal found 10/9C$ 411
Sat 3/103:38 p.m. -
Nonstop4h 35m
Mon 5/105:08 p.m. -
Nonstop4h 06m
Deal found 11/9C$ 412
Fri 16/107:59 p.m. -
1 stop20h 18m
Sat 17/105:08 p.m. -
Nonstop4h 06m
Deal found 8/9C$ 418
Wed 28/106:00 a.m. -
1 stop10h 17m
Wed 28/105:08 p.m. -
Nonstop4h 06m
Deal found 8/9C$ 424
Sat 24/1011:05 a.m. -
Nonstop4h 25m
Tue 27/107:05 a.m. -
1 stop7h 40m
Deal found 8/9C$ 426
Thu 15/108:35 a.m. -
Nonstop4h 33m
Sat 17/1011:41 a.m. -
Nonstop4h 23m
Deal found 11/9C$ 427
Sat 3/103:38 p.m. -
Nonstop4h 35m
Tue 6/107:04 a.m. -
1 stop6h 50m
Deal found 11/9C$ 430
Fri 2/107:07 p.m. -
Nonstop4h 29m
Tue 8/125:56 p.m. -
Nonstop4h 13m
Deal found 10/9C$ 431
Tue 6/1012:55 p.m. -
2 stops8h 10m
Sat 10/102:40 p.m. -
Nonstop4h 10m
Deal found 8/9C$ 433
Wed 28/106:00 a.m. -
2 stops9h 16m
Sat 31/106:39 a.m. -
2 stops10h 40m
Deal found 10/9C$ 434
Best flights from Austin to Seattle
Discover carefully curated flight deals from Austin to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.
Fri 16/104:10 p.m. -
2 stops10h 30m
Tue 20/106:15 a.m. -
1 stop7h 10m
Deal found 8/9C$ 466
Fri 16/107:59 p.m. -
1 stop15h 29m
Mon 19/105:08 p.m. -
Nonstop4h 06m
Deal found 8/9C$ 484
Fri 16/106:05 p.m. -
Nonstop4h 38m
Sun 18/105:40 p.m. -
Nonstop4h 10m
Deal found 9/9C$ 501
Fri 8/12:24 p.m. -
2 stops8h 48m
Sun 10/15:07 a.m. -
1 stop5h 47m
Deal found 10/9C$ 535
Sat 10/103:38 p.m. -
Nonstop4h 35m
Sat 17/1012:13 p.m. -
1 stop9h 46m
Deal found 11/9C$ 515
Tue 20/1012:55 p.m. -
2 stops8h 10m
Sat 24/105:25 a.m. -
2 stops9h 50m
Deal found 11/9C$ 540
Sat 24/108:35 a.m. -
Nonstop4h 33m
Wed 28/108:15 a.m. -
Nonstop4h 20m
Deal found 12/9C$ 523
Sun 25/105:40 a.m. -
1 stop6h 10m
Wed 28/108:55 a.m. -
Nonstop4h 05m
Deal found 12/9C$ 551
Thu 15/105:45 a.m. -
1 stop6h 05m
Sat 17/1012:10 a.m. -
2 stops10h 00m
Deal found 8/9C$ 563
Fri 9/107:59 p.m. -
1 stop21h 18m
Tue 13/108:40 a.m. -
2 stops8h 39m
Deal found 10/9C$ 570
Wed 3/26:10 a.m. -
1 stop9h 20m
Sun 14/26:55 a.m. -
1 stop8h 20m
Deal found 12/9C$ 565
Thu 24/123:33 p.m. -
Nonstop4h 46m
Thu 31/125:06 p.m. -
Nonstop4h 03m
Deal found 12/9C$ 578
Direct flights from Austin to Seattle
Explore direct flight options from Austin to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 September 2026.
Sat 3/103:38 p.m. -
Nonstop4h 35m
Wed 7/105:08 p.m. -
Nonstop4h 06m
Deal found 11/9C$ 412
Thu 15/108:35 a.m. -
Nonstop4h 33m
Sat 17/1011:41 a.m. -
Nonstop4h 23m
Deal found 11/9C$ 427
Fri 2/106:09 a.m. -
Nonstop4h 31m
Wed 7/107:15 a.m. -
Nonstop4h 20m
Deal found 10/9C$ 431
Thu 26/118:34 a.m. -
Nonstop4h 44m
Tue 1/125:56 p.m. -
Nonstop4h 13m
Deal found 10/9C$ 440
Mon 23/116:58 p.m. -
Nonstop4h 47m
Fri 1/15:06 p.m. -
Nonstop4h 03m
Deal found 10/9C$ 449
Fri 23/1010:52 a.m. -
Nonstop4h 42m
Fri 30/105:40 p.m. -
Nonstop4h 10m
Deal found 10/9C$ 451
Thu 1/107:07 p.m. -
Nonstop4h 29m
Sat 3/1011:41 a.m. -
Nonstop4h 23m
Deal found 8/9C$ 454
Fri 9/107:07 p.m. -
Nonstop4h 35m
Wed 14/105:08 p.m. -
Nonstop4h 06m
Deal found 8/9C$ 456
Tue 10/113:55 p.m. -
Nonstop4h 40m
Wed 11/119:15 a.m. -
Nonstop4h 00m
Deal found 8/9C$ 467
Fri 30/103:38 p.m. -
Nonstop4h 35m
Thu 5/115:09 p.m. -
Nonstop4h 05m
Deal found 10/9C$ 469
Thu 1/103:40 p.m. -
Nonstop4h 30m
Sat 5/129:55 a.m. -
Nonstop4h 05m
Deal found 10/9C$ 473
Fri 9/107:07 p.m. -
Nonstop4h 35m
Fri 16/105:08 p.m. -
Nonstop4h 06m
Deal found 8/9C$ 476
Last-minute flights from Austin to Seattle
Discover last-minute flight deals from Austin to Seattle. Data last updated 13 September 2026 and is based on user searches.
Tue 29/96:02 a.m. -
1 stop10h 37m
Tue 29/95:06 p.m. -
Nonstop4h 08m
Deal found 8/9C$ 405
Fri 2/107:07 p.m. -
Nonstop4h 29m
Sat 5/129:03 a.m. -
Nonstop4h 12m
Deal found 10/9C$ 431
Sat 3/103:38 p.m. -
Nonstop4h 35m
Wed 7/105:08 p.m. -
Nonstop4h 06m
Deal found 11/9C$ 412
Sat 3/103:38 p.m. -
Nonstop4h 35m
Tue 6/107:04 a.m. -
1 stop6h 50m
Deal found 11/9C$ 430
Tue 6/1012:55 p.m. -
2 stops8h 10m
Sat 10/102:40 p.m. -
Nonstop4h 10m
Deal found 8/9C$ 433
Tue 13/106:00 a.m. -
1 stop10h 17m
Tue 13/105:08 p.m. -
Nonstop4h 06m
Deal found 8/9C$ 397
Thu 15/107:59 p.m. -
1 stop20h 18m
Fri 16/105:08 p.m. -
Nonstop4h 06m
Deal found 10/9C$ 411
Thu 15/108:35 a.m. -
Nonstop4h 33m
Sat 17/1011:41 a.m. -
Nonstop4h 23m
Deal found 11/9C$ 427
Fri 16/107:59 p.m. -
1 stop20h 18m
Sat 17/105:08 p.m. -
Nonstop4h 06m
Deal found 8/9C$ 418
Sat 24/1011:05 a.m. -
Nonstop4h 25m
Tue 27/107:05 a.m. -
1 stop7h 40m
Deal found 8/9C$ 426
Wed 28/106:00 a.m. -
1 stop10h 17m
Wed 28/105:08 p.m. -
Nonstop4h 06m
Deal found 8/9C$ 424
Wed 28/106:00 a.m. -
2 stops9h 16m
Sat 31/106:39 a.m. -
2 stops10h 40m
Deal found 10/9C$ 434
One-way flights from Austin to Seattle
Search for one-way flight options from Austin to Seattle. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.
Wed 9/1211:25 a.m. -
1 stop9h 35m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 10/9C$ 221
Fri 30/103:40 p.m. -
Nonstop4h 30m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 10/9C$ 226
Thu 7/16:00 a.m. -
2 stops9h 30m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 10/9C$ 227
Tue 1/123:55 p.m. -
Nonstop4h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 10/9C$ 234
Fri 8/16:00 a.m. -
1 stop6h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 10/9C$ 240
Fri 23/101:55 p.m. -
2 stops10h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/9C$ 247
Sat 13/24:55 p.m. -
Nonstop4h 37m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 10/9C$ 248
Fri 5/24:35 p.m. -
Nonstop4h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 11/9C$ 251
Wed 25/116:35 p.m. -
Nonstop4h 35m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 10/9C$ 254
Tue 9/31:00 p.m. -
2 stops8h 35m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 10/9C$ 255
Sat 31/102:35 p.m. -
1 stop7h 05m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 11/9C$ 258
Sat 6/311:50 a.m. -
Nonstop4h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 11/9C$ 262
Find flight deals from Austin to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 September 2026.
Customize your flight search to find flights from Austin to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 13 September 2026.
Use the filters below to find and compare flights from Austin to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Mon 19/10
8:30 p.m.-1:40 a.m.
1 stop7h 10m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 221
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Wed 14/10
2:00 p.m.-11:00 p.m.
2 stops11h 00m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 227
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Sun 8/11
4:30 p.m.-7:15 p.m.
Nonstop4h 45m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 276
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Sat 6/3
12:25 p.m.-8:50 p.m.
2 stops10h 25m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 283
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Sat 3/10
7:00 a.m.-2:49 p.m.
1 stop9h 49m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 284
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Fri 27/11
6:05 a.m.-1:00 p.m.
1 stop8h 55m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 290
Quickest round-trip
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Thu 29/10
3:40 p.m.-6:10 p.m.
Nonstop4h 30m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 290
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Fri 13/11
4:30 p.m.-7:15 p.m.
Nonstop4h 45m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 290
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Wed 23/12
3:50 p.m.-9:00 p.m.
1 stop7h 10m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 290
AustinSeattle
AUS Austin Bergstrom - SEA Seattle/Tacoma Intl
AUSSEA
Austin Bergstrom
Fri 23/10
3:40 p.m.-6:10 p.m.
Nonstop4h 30m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 290
Flights are sorted by cheapest round-trip flights first.
Deals found on 10/9
Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Austin to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Austin with our price prediction graph.
AUS-SEA
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 Austin to Seattle
Prices
Airlines
Delays
How far ahead should I book a flight from Austin to Seattle?
The best time to book flights from Austin to Seattle is 61 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 Austin to Seattle?
Currently, January is the cheapest month in which you can book a flight from Austin to Seattle (average of C$ 322). Flying from Austin to Seattle in July is currently the most expensive (average of C$ 620). 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 AUS to SEA?
Find hourly flight availability from Austin to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 September 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 64% on flights from Austin to Seattle by exploring options for tickets in the morning.
How much does it cost to fly round-trip from Austin to Seattle?
Airfare is below average for this route at the moment.
Austin to Seattle flights typically cost between C$ 419 and C$ 705 in October.The cheapest round-trip price found within the last 5 days was C$ 397 on Alaska Airlines (13 Oct-13 Oct).
Weekly flight availability from Austin to Seattle
Explore weekly flight availability from Austin to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 September 2026.
The most flights from AUS to SEA are scheduled on a Friday (22 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).
How often are flights from Austin to Seattle delayed?
About 10% of weekly flights between Austin and Seattle have experienced delays in the past year, with the average delay time being 164 minutes.
What is the most punctual flight time for Austin to Seattle flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Austin to Seattle flights?
Over the past year, Alaska Airlines has had the lowest number of delays on this route, with just 9% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Austin to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How popular is this Austin to Seattle flight route?
The Austin Bergstrom to Seattle/Tacoma Intl flight path was viewed by 5 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 Austin to Seattle?
Departing from Austin to Seattle will take you 4h 37m. There are 2845 km between Austin and Seattle. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from Austin to Seattle?
The top 3 most reliable airlines when flying from Austin to Seattle are Korean Air (97%), Scandinavian Airlines (93%) and WestJet (88%).
Can I find deals for flights from Austin to Seattle that include hotel bookings?
Yes. In addition to deals on Austin to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Austin to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Seattle.
Can I find deals for business class flights from Austin to Seattle?
Yes. Cheapflights offers flight deals from Austin to Seattle 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 Austin to Seattle?
Currently, January is the cheapest month in which you can book a flight from Austin to Seattle (average of C$ 322). Flying from Austin to Seattle in July is currently the most expensive (average of C$ 620). 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.
Browse through other flights departing from Austin. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2026.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Austin to Seattle?
When you search for this flight from Austin to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Austin to Seattle?
Cheapflights helps you find that perfect flight to Seattle from Austin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Austin to Seattle with no change fees?
Yes! Cheapflights helps users easily find flights from Austin to Seattle with no change fees.
Can Cheapflights notify me if prices for flights from Austin to Seattle become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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