Question 1

Which layover airport has the shortest travel time from Austin to Seattle?

Accepted Answer

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 6h 19m.

Question 2

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

Accepted Answer

You are more likely to see cheaper flights to Seattle from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $316 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Austin for as low as $278 on momondo.

Question 3

Which airline has the best punctuality record on Austin to Seattle flights?

Accepted Answer

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Question 4

What is the most punctual flight time for Austin to Seattle flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Question 5

What is the cheapest airline that flies from Austin Bergstrom to Seattle/Tacoma Intl?

Accepted Answer

Frontier, Alaska Airlines, and Southwest are the most popular carriers operating from Austin Bergstrom to Seattle/Tacoma Intl

Question 6

Which layover airport offers the lowest fares from Austin to Seattle?

Accepted Answer

Flights via Denver (DEN) offer the lowest average round-trip price of $331.

Question 7

Which layover airport has the shortest connection time from Austin to Seattle?

Accepted Answer

Dallas (DFW) has the shortest average layover time for this route: 2h 25m.

Question 8

How many flights depart from Austin to Seattle on average per day?

Accepted Answer

As of January 2026, there are 5 flights per day flying from Austin to Seattle. The most common time of day flights depart is 7:00AM, with 55% of flights taking off at noon.

Question 9

What is the cheapest time of day to depart on your flight to Seattle?

Accepted Answer

Flying to Seattle from Austin in the evening is the least expensive time of day to depart. momondo users have found prices as low as $415 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $429. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Question 10

What is the cheapest month to fly to Seattle?

Accepted Answer

In general, January is the cheapest month to fly from Austin to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $251. If you don’t want to visit Seattle in January, then you should wait until September to fly from Austin, when ticket prices are also cheap, with an average price of $277.

Question 11

What is the cheapest day to depart on your flight to Seattle?

Accepted Answer

On average, the least expensive day to fly to Seattle from Austin is on a Thursday. momondo users have found tickets for Thursday departures for as low as $387. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Austin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $533.

Question 12

Can stopping save me money on Austin to Seattle flights?

Accepted Answer

You could potentially save up to 8% on your flight if you consider stops on a Austin to Seattle flight.

Question 13

What airlines fly to Seattle?

Accepted Answer

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Austin according to our data. Alaska Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Question 14

How have Austin to Seattle flight prices changed over time?

Accepted Answer

As of January 2026, prices for Austin to Seattle flights are approximately 13% cheaper when compared to flights at the same time last year.

Question 15

Which airport is the most popular layover for flights between Austin and Seattle?

Accepted Answer

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Question 16

What is the cheapest Austin Bergstrom to Seattle/Tacoma Intl flight route?

Accepted Answer

Fly from Austin Bergstrom to Seattle/Tacoma Intl for the best Austin Bergstrom - Seattle/Tacoma Intl flight prices

Question 17

How many flights depart from Austin to Seattle on average per week?

Accepted Answer

As of January 2026, 38 flights take off from Austin and land in Seattle each week. The most common flight departure day for this route is Wed, with 34% of weekly flights taking off on this day.

Question 18

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 19

What cabin class options are available on Austin Bergstrom to Seattle/Tacoma Intl flights?

Accepted Answer

There are 4 cabin classes available to choose from on Austin Bergstrom to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 20

How often are flights from Austin to Seattle delayed?

Accepted Answer

Historically, on average around 11% of flights between Austin and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 161 minutes.

Question 21

When did momondo last update prices for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport?

Accepted Answer

Prices for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport are updated daily.

Question 22

How many operators does momondo search for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport?

Accepted Answer

The number of operators available for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport is 8 as of January 2026.

Question 23

How old do you have to be to fly from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport?

Accepted Answer

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 Austin Bergstrom Airport to Seattle/Tacoma Intl Airport.

Question 24

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

Accepted Answer

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best Price Found	$225
Fastest flight time	4h 35m
Direct flights	Every day
Airports in Seattle	1 airport

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $62	Free Cancellation	Rating 6.3 8,288 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $138	Free Cancellation	Rating 5.7 3,061 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $141	Free Cancellation	Rating 7.8 2,824 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $143	Free Cancellation	Rating 8.0 4,250 reviews	Search Southwest flights
Delta	PriceFrom $184	Free Cancellation	Rating 7.9 8,029 reviews	Search Delta flights
Alaska Airlines	PriceFrom $184	Free Cancellation	Rating 8.0 11,668 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 9,141 reviews	Search United Airlines flights
American Airlines	PriceFrom $286	Free Cancellation	Rating 7.2 11,095 reviews	Search American Airlines flights

Cheap flights from Austin to Seattle from $106

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Seattle departing on 2/26. 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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How to get the cheapest flight ticket from Austin to Seattle

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

What is the cheapest Austin Bergstrom to Seattle/Tacoma Intl flight route?

Fly from Austin Bergstrom to Seattle/Tacoma Intl for the best Austin Bergstrom - Seattle/Tacoma Intl flight prices

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

What cabin class options are available on Austin Bergstrom to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Austin Bergstrom to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Austin to Seattle flights?

You could potentially save up to 8% on your flight if you consider stops on a Austin to Seattle flight.

How have Austin to Seattle flight prices changed over time?

As of January 2026, prices for Austin to Seattle flights are approximately 13% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Austin Bergstrom to Seattle/Tacoma Intl?

Frontier, Alaska Airlines, and Southwest are the most popular carriers operating from Austin Bergstrom to Seattle/Tacoma Intl

What airlines fly to Seattle?

How often are flights from Austin to Seattle delayed?

Historically, on average around 11% of flights between Austin and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 161 minutes.

What is the most punctual flight time for Austin to Seattle flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Austin to Seattle flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Austin and Seattle?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Austin to Seattle?

Flights via Denver (DEN) offer the lowest average round-trip price of $331.

Which layover airport has the shortest travel time from Austin to Seattle?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 6h 19m.

Which layover airport has the shortest connection time from Austin to Seattle?

Dallas (DFW) has the shortest average layover time for this route: 2h 25m.

How many flights depart from Austin to Seattle on average per day?

As of January 2026, there are 5 flights per day flying from Austin to Seattle. The most common time of day flights depart is 7:00AM, with 55% of flights taking off at noon.

How many flights depart from Austin to Seattle on average per week?

As of January 2026, 38 flights take off from Austin and land in Seattle each week. The most common flight departure day for this route is Wed, with 34% of weekly flights taking off on this day.

When to book flights from Austin to Seattle

Cheap Austin to Seattle (AUS to SEA) flight deals and tips

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When did momondo last update prices for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Austin Bergstrom Airport to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

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What is the most popular airline from Austin to Seattle?

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