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Cheap flights from Seattle to Colorado from $45

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Colorado departing on 5/6. 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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0 bags

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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Colorado.
Frontier Logo
6:00 am - 9:51 amSEA-DEN
2h 51mnonstop
Frontier Logo
10:36 pm - 12:44 amDEN-SEA
3h 08mnonstop
$88Frontier
Find Deal
Sat, May 3 - Sat, May 10
Frontier Logo
6:00 am - 9:51 amSEA-DEN
2h 51mnonstop
Frontier Logo
10:36 pm - 12:44 amDEN-SEA
3h 08mnonstop
$89Frontier
Find Deal
Sat, May 3 - Sat, May 10
Alaska Airlines Logo
11:20 am - 6:09 pmSEA-DEN
5h 49m1 stop
Alaska Airlines Logo
6:00 am - 8:01 amDEN-SEA
3h 01mnonstop
$207Alaska Airlines
Find Deal
Sat, Jun 7 - Sat, Jun 14
United Airlines Logo
7:00 pm - 10:51 pmSEA-DEN
2h 51mnonstop
United Airlines Logo
5:30 am - 10:48 amDEN-SEA
6h 18m1 stop
$213United Airlines
Find Deal
Wed, Jul 2 - Wed, Jul 16
Delta Logo
7:40 pm - 11:24 pmSEA-DEN
2h 44mnonstop
Delta Logo
6:15 am - 8:26 amDEN-SEA
3h 11mnonstop
$217Delta
Find Deal
Thu, Oct 16 - Sun, Oct 19
Delta Logo
11:25 am - 5:13 pmSEA-COS
4h 48m1 stop
Delta Logo
5:55 pm - 10:16 pmCOS-SEA
5h 21m1 stop
$217Delta
Find Deal
Tue, Jul 22 - Thu, Sep 11
United Airlines Logo
7:00 am - 2:59 pmSEA-DEN
6h 59m1 stop
United Airlines Logo
8:00 pm - 12:59 amDEN-SEA
5h 59m1 stop
$222United Airlines
Find Deal
Tue, May 13 - Fri, May 16
Alaska Airlines Logo
11:20 am - 6:09 pmSEA-DEN
5h 49m1 stop
Alaska Airlines Logo
11:40 am - 3:26 pmDEN-SEA
4h 46m1 stop
$226Alaska Airlines
Find Deal
Wed, May 28 - Mon, Jun 2
Southwest Logo
11:55 am - 6:40 pmSEA-DEN
5h 45m1 stop
Southwest Logo
7:50 am - 3:10 pmDEN-SEA
8h 20m1 stop
$235Southwest
Find Deal
Sat, Aug 30 - Wed, Sep 3
Southwest Logo
11:15 am - 7:55 pmSEA-DEN
7h 40m1 stop
Southwest Logo
7:55 pm - 12:30 amDEN-SEA
5h 35m1 stop
$236Southwest
Find Deal
Fri, Jun 6 - Mon, Jun 16

United Airlines flights from Seattle to Colorado

Our best United Airlines deals on Seattle to Colorado flight tickets
United Airlines
Jul 2
SEA7:00 pmSeattle/Tacoma Intl
2h 51m
DEN10:51 pmDenver Intl
Jul 16
DEN5:30 amDenver Intl
6h 18m
1 stop
SEA10:48 amSeattle/Tacoma Intl
United Airlines
May 13
SEA7:00 amSeattle/Tacoma Intl
6h 59m
1 stop
DEN2:59 pmDenver Intl
May 16
DEN8:00 pmDenver Intl
5h 59m
1 stop
SEA12:59 amSeattle/Tacoma Intl
United Airlines
May 14
SEA7:00 amSeattle/Tacoma Intl
6h 59m
1 stop
DEN2:59 pmDenver Intl
May 15
DEN8:00 pmDenver Intl
5h 59m
1 stop
SEA12:59 amSeattle/Tacoma Intl

Frontier flights from Seattle to Colorado

Our best Frontier deals on Seattle to Colorado flight tickets
Frontier
May 3
SEA6:00 amSeattle/Tacoma Intl
2h 51m
DEN9:51 amDenver Intl
May 10
DEN10:36 pmDenver Intl
3h 08m
SEA12:44 amSeattle/Tacoma Intl
Frontier
May 3
SEA6:00 amSeattle/Tacoma Intl
2h 51m
DEN9:51 amDenver Intl
May 10
DEN10:36 pmDenver Intl
3h 08m
SEA12:44 amSeattle/Tacoma Intl
Frontier
May 6
SEA6:00 amSeattle/Tacoma Intl
2h 51m
DEN9:51 amDenver Intl
May 10
DEN10:36 pmDenver Intl
3h 08m
SEA12:44 amSeattle/Tacoma Intl

See travel insights to Colorado from

How to get the cheapest flight ticket from Seattle to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Colorado?

The month of September is, on average, the cheapest month to fly to Colorado from Seattle, with most prices found around $158. The month of October is another great option to travel to Colorado, with average flight prices from Seattle averaging around $160.

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

The cheapest day to depart from Seattle to Colorado is on a Friday when prices can be found for as low as $264. On the other hand, Monday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $322.

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

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $209. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $334 per ticket.

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

Fly from Seattle/Tacoma Intl to Denver Intl for the best Seattle/Tacoma Intl - Colorado flight prices

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

You are more likely to see cheaper flights to Colorado from Seattle when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $198 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Seattle for as low as $169 on momondo.

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

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

Cheap Seattle to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Colorado

Best Price Found

$45

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Colorado

4 airports
The best one-way flight to Colorado from Seattle in the past 72 hours is $45. The best round-trip flight deal from Seattle to Colorado found on momondo in the last 72 hours is $88.
The fastest flight from Seattle to Colorado takes 2h 40m
Direct flights go from Seattle to Colorado every day.
There are 4 airports near Colorado: Grand Junction Regnl (GJT), Aspen Pitkin County (ASE), Colorado Springs (COS), Denver Intl (DEN)

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

    Prices for flights from Seattle/Tacoma Intl Airport to Colorado refresh daily.

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

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Colorado?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Colorado.

  • What documentation or ID do you need to fly to Colorado?

    The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Colorado?


Best airlines flying from Seattle to Colorado

Compare and see reviews for airlines that fly from Seattle to Colorado with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $56Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $98Free CancellationRating
7.9
2,393 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $103Free CancellationRating
8.0
7,920 reviews
Search Delta flights
SouthwestPriceFrom $118Free CancellationRating
8.0
4,287 reviews
Search Southwest flights
United AirlinesPriceFrom $149Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $149Free CancellationRating
8.0
9,918 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $176Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Colorado?

Finding the right flight to Colorado from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Colorado quick and easy, saving you time and money.

Can I find flights from Seattle to Colorado with flexible booking policies on momondo?

Yes. All flights to Colorado from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Colorado?

Once all potential Seattle to Colorado flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Colorado right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Colorado from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Mon 4/28
Mon 5/5

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Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo