How popular is this Aurora to Seattle flight route?

This flight path from Aurora to Seattle/Tacoma Intl was viewed by 97 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

$29 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and Delta, with prices starting from $58 and $78, respectively.

Weekly flight availability from Aurora to Seattle

The most flights from 9UR to SEA are scheduled on a Monday (42 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (13 on average).

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Aurora to Seattle?

While on average a flight from Aurora to Seattle is generally $1,061, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Denver Intl - Seattle/Tacoma Intl), you can expect to pay $158 for that flight.

What are the most reliable airlines from Aurora to Seattle?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Aurora to Seattle on time: Korean Air (98%), Frontier (96%), Volaris (96%).

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

Consider Frontier, Alaska Airlines or United Airlines when booking your flight. These represent the most popular airlines when flying from Aurora to Seattle.

What airport do you fly into for flights to Seattle from Aurora?

If you book a flight to Seattle from Aurora, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 23 flights from Aurora to Seattle/Tacoma Intl per day from 5 different airlines.

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

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

How can I find direct flights from Aurora to Seattle?

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

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

Yes. Cheapflights offers flight deals from Aurora 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.

Find Cheap Flights from Aurora to Seattle

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Cheapflights Tip: The best prices from Aurora to Seattle/Tacoma Intl are usually found in January or February, booked 47 days in advance, depart on a Friday or Thursday and return on a Friday

Find flight deals from Aurora to Seattle

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	July
Cheapest in	January
Average price	$271

Provider with most accurate pricing for Denver Intl-Seattle/Tacoma Intl flight deals.

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Provider most trusted by Cheapflights users for Denver Intl-Seattle/Tacoma Intl flights.

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Highest demand for flights based on searches. 20% potential increase in price ($63 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Cheapflights Insights

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

Prices

Airlines

What is the cheapest time of day to fly from 9UR to SEA?

One of the essential ways to save on airfare from Aurora to Seattle is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

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

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

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta from Aurora to Seattle 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

7.9

Good

13,106 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Alaska Airlines

7.9

Good

13,106 reviews

Alaska Airlines

7.9

Good

13,106 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Southwest

7.9

Good

4,208 reviews

Alaska Airlines

7.9

Good

13,106 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Delta

7.8

Good

8,655 reviews

Alaska Airlines

7.9

Good

13,106 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

United Airlines

7.3

Good

10,398 reviews

Alaska Airlines

7.9

Good

13,106 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Frontier

5.5

Fair

2,520 reviews

Alaska Airlines

7.9

Good

13,106 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Related info for your journey

What airport do you fly into for flights to Seattle from Aurora?
If you book a flight to Seattle from Aurora, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 23 flights from Aurora to Seattle/Tacoma Intl per day from 5 different airlines.
How popular is this Aurora to Seattle flight route?
This flight path from Aurora to Seattle/Tacoma Intl was viewed by 97 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from Aurora to Seattle one-way?
$29 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and Delta, with prices starting from $58 and $78, respectively.
What are the most reliable airlines from Aurora to Seattle?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Aurora to Seattle on time: Korean Air (98%), Frontier (96%), Volaris (96%).
What are the cheapest flights from Aurora to Seattle?
While on average a flight from Aurora to Seattle is generally $1,061, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Denver Intl - Seattle/Tacoma Intl), you can expect to pay $158 for that flight.
Can I find deals for flights from Aurora to Seattle that include hotel bookings?
Yes. In addition to deals on Aurora to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Aurora to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Aurora to Seattle.
Can I find deals for business class flights from Aurora to Seattle?
Yes. Cheapflights offers flight deals from Aurora 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.

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Top 5 airlines flying from Aurora to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$54	Average$213	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$78	Average$280	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$117	Average$390	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$117	Average$379	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$135	Average$312	FlexibilityNo cancel fee	On-time75%

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Cheap flights from Aurora, CO to Seattle (SEA)

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Find flight deals from Aurora to Seattle

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Cheapflights Insights

What is the cheapest time of day to fly from 9UR to SEA?

One of the essential ways to save on airfare from Aurora to Seattle is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

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

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

Weekly flight availability from Aurora to Seattle

The most flights from 9UR to SEA are scheduled on a Monday (42 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta from Aurora to Seattle 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

What airport do you fly into for flights to Seattle from Aurora?

How popular is this Aurora to Seattle flight route?

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

What are the most reliable airlines from Aurora to Seattle?

What are the cheapest flights from Aurora to Seattle?

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

How can I find direct flights from Aurora to Seattle?

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

Traveling to a place near Seattle?

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Alternative routes for Aurora to Seattle

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Complete your trip

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Search flights from Aurora to Seattle by cabin class

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Aurora and Seattle flights

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