Q: 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$ 362 and C$ 584 in September. The cheapest round-trip price found within the last 3 days was C$ 270 on Hawaiian Airlines (6 Sep-10 Sep).

Question 1

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

Accepted Answer

Airfare is below average for this route at the moment.Austin to Seattle flights typically cost between C$ 362 and C$ 584 in September.
The cheapest round-trip price found within the last 3 days was C$ 270 on Hawaiian Airlines (6 Sep-10 Sep).

Question 2

How popular is this Austin to Seattle flight route?

Accepted Answer

The Austin Bergstrom to Seattle/Tacoma Intl flight path was viewed by 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 3

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

Accepted Answer

According to our current data, Hawaiian Airlines (C$ 270), United Airlines (C$ 291), and Alaska Airlines (C$ 296) offers the cheapest pricing from Austin to Seattle. These flights start at 41% lower than the current average price 3 months from now.

Question 4

What are the cheapest airlines to fly from Austin to Seattle one-way?

Accepted Answer

The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 143. However, be on the lookout for offers from Alaska Airlines and Delta, as they are both options that can get you from Austin to Seattle for a low price.

Question 5

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

Accepted Answer

The best time to book flights from Austin to Seattle is 67 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.

Question 6

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Austin to Seattle (average of C$ 262). Flying from Austin to Seattle in December is currently the most expensive (average of C$ 353). 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.

Question 7

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

Accepted Answer

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

Question 8

Weekly flight availability from Austin to Seattle

Accepted Answer

The most flights from AUS to SEA are scheduled on a Monday (30 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).

Question 9

E

Accepted Answer

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Question 10

E

Accepted Answer

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Question 11

What are the most reliable airlines from Austin to Seattle?

Accepted Answer

The top 3 most reliable airlines when flying from Austin to Seattle are WestJet (95%), Finnair (89%) and Scandinavian Airlines (86%).

Question 12

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

Accepted Answer

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Question 13

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

Accepted Answer

Users have found that booking a flight from Austin to Seattle at least 43 days early can save you up to 67% on average compared to booking a flight this week. If booking 43 days before your flight isn’t an option for you, users have found flights from Austin to Seattle for as little as C$ 565 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 565 for flights departing within the next 3 days.

Question 14

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

Accepted Answer

Our data shows that September tends to be the cheapest month to fly to Seattle from Austin. Users have commonly found prices around C$ 461 for the month, but tickets can be as low as C$ 241. Due to multiple factors, prepare for potentially higher prices in December.

Question 15

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

Accepted Answer

Unlike in the morning, when flights are generally more expensive, you can save up to 36% on flights from Austin to Seattle by exploring options for tickets in the afternoon.

Question 16

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

Accepted Answer

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

Question 17

How can I find direct flights from Austin to Seattle?

Accepted Answer

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

Question 18

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

Accepted Answer

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.

Question 19

How does Cheapflights help users find flights from Austin to Seattle?

Accepted Answer

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.

Question 20

Why should you use Cheapflights to find cheap flight tickets from Austin to Seattle?

Accepted Answer

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!

Question 21

Can Cheapflights find flights from Austin to Seattle with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Austin to Seattle with no change fees.

Question 22

Can Cheapflights notify me if prices for flights from Austin to Seattle become cheaper?

Accepted Answer

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!

Round-trip from	C$ 270
One-way from	C$ 143
Popular in	December
Cheapest in	September
Average price	C$ 551

Cheap flights from Austin to Seattle from C$ 143

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Austin Bergstrom to Seattle/Tacoma Intl are usually found in September or October, booked 67 days in advance, depart on a Wednesday or Tuesday and return on a Friday

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Cheapest flights from Austin to SeattleExplore 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 29 July 2025.

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 29 July 2025.

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Best time to book a flight from Austin to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Austin to Seattle. Price data was last updated on 25 July 2025.

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

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 29 July 2025.

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 29 July 2025.

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

Reviews of airlines servicing Seattle

Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta from Austin to Seattle by reading reviews from past customers. Users have also rated airlines 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 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?

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

What are the cheapest airlines to fly from Austin to Seattle one-way?

What are the most reliable airlines from Austin to Seattle?

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

How can I find direct flights from Austin to Seattle?

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

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

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Can Cheapflights notify me if prices for flights from Austin to Seattle become cheaper?

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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 29 July 2025.