How does KAYAK find such low prices on flights from Colorado to Seattle?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Seattle. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Colorado is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Colorado to Seattle?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Colorado with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Seattle?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$66 CHEAP FLIGHTS from Colorado to Seattle

SEA

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals

Cheap Flight Deals from Colorado to Seattle

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Colorado to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Colorado to Seattle

KAYAK's recommended round-trip deals from the most popular airlines that fly from Colorado to Seattle.

Discover the best prices for you by selecting your travel dates on KAYAK.

9:43 pm - 11:49 pmDEN-SEA

3h 06mnonstop

6:00 am - 9:51 amSEA-DEN

2h 51mnonstop

$131Frontier

Find Deal

Wed, May 14 - Tue, May 20

9:29 pm - 11:37 pmDEN-SEA

3h 08mnonstop

6:25 am - 10:12 amSEA-DEN

2h 47mnonstop

$132Frontier

Find Deal

Tue, Jun 3 - Sat, Jun 7

10:29 pm - 12:34 amDEN-SEA

3h 05mnonstop

5:25 am - 10:37 amSEA-DEN

4h 12m1 stop

$192

Find Deal

Thu, Aug 7 - Mon, Aug 11

9:36 pm - 11:42 pmDEN-SEA

3h 06mnonstop

5:25 am - 10:37 amSEA-DEN

4h 12m1 stop

$202

Find Deal

Wed, Jul 23 - Sun, Aug 3

7:40 pm - 9:47 pmDEN-SEA

3h 07mnonstop

2:54 pm - 6:49 pmSEA-DEN

2h 55mnonstop

$207Delta

Find Deal

Sat, Aug 9 - Thu, Aug 21

6:40 am - 8:34 amDEN-SEA

2h 54mnonstop

2:54 pm - 6:49 pmSEA-DEN

2h 55mnonstop

$217Delta

Find Deal

Fri, Aug 8 - Fri, Aug 22

7:11 pm - 10:59 pmDEN-SEA

4h 48m1 stop

4:35 pm - 8:22 pmSEA-DEN

2h 47mnonstop

$227Alaska Airlines

Find Deal

Fri, Aug 8 - Fri, Aug 22

10:35 pm - 12:25 amDEN-SEA

2h 50mnonstop

7:50 pm - 11:30 pmSEA-DEN

2h 40mnonstop

$235Southwest

Find Deal

Mon, Jun 9 - Fri, Jun 13

8:00 am - 10:02 amDEN-SEA

3h 02mnonstop

11:20 am - 6:10 pmSEA-DEN

5h 50m1 stop

$237Alaska Airlines

Find Deal

Thu, Aug 14 - Tue, Aug 19

4:05 pm - 11:50 pmDEN-SEA

8h 45m1 stop

9:00 am - 6:30 pmSEA-DEN

8h 30m2 stops

$242Southwest

Find Deal

Wed, May 14 - Tue, May 20

Useful Info

Low season	February
High season	July
Cheapest flight	$66

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly with an average 15% increase in price.

Flight from Denver to Seattle

Verified travelerFlew with Alaska AirlinesDEN-SEAOct 2024

Go early, it’s a big airport. There are two TSA screening areas, one might be more crowded than the other. From checking it to the gate give yourself at least 20-30 minutes to get there.

Verified travelerFlew with Alaska AirlinesDEN-SEAFeb 2024

Fly with Alaska and you’ll be pleased at their friendly competence.

How does KAYAK find such low prices on flights from Colorado to Seattle?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Seattle.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Seattle?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Colorado to Seattle?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Colorado with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Seattle?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Seattle

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Seattle

Seattle (SEA)

SEA

$66 Find Cheap Flights from Colorado to Seattle

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

Cheap Flight Deals from Colorado to Seattle

Recent round-trip flight deals from Colorado to Seattle

Recent one-way flight deals from Colorado to Seattle

Recent last minute flight deals from Colorado to Seattle

Recent direct flight deals from Colorado to Seattle

Good to know

Flights from Colorado to Seattle: the best tips from KAYAK users

FAQs for booking flights from Colorado to Seattle

How does KAYAK find such low prices on flights from Colorado to Seattle?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Seattle.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Colorado to Seattle?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Colorado with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Seattle?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Seattle

Information on the airport you'll fly into in Seattle

Cabin class types available on flights to Colorado

Complete your trip to Seattle with a hotel stay or car rental

Find direct flights for Seattle

Flights to other popular destinations

Flights from domestic origins to Seattle

Choose which airport to fly into in Seattle

Find deals for your return flight