HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Colorado to Seattle (SEA) from $55

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — SEA
may. 21 — may. 281
From?
To?
mar. 5/21
mar. 5/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

To save on the cost of your flight from Colorado to Seattle, book at least 22 days before your planned departure. Booking around this time can save you about 87% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $169 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $299.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, January can be a great choice for travel to Seattle. Flights to Seattle from Colorado in January are about $182 on average during January, but can be found for as low as $45.

When is the cheapest time to fly from Colorado to Seattle (CO - SEA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Seattle as you normally would.

Cheap Frontier flights from Colorado to Seattle

Explore cheap flight options specifically provided by Frontier for the route between Colorado and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Peruse some of the lowest-priced Frontier flights we've found from Colorado to Seattle. Make sure to check back often as deals are often changing.
jue. 6/64:47 pmDEN - SEA
Nonstop3h 06mFrontier
mar. 6/118:12 pmSEA - DEN
Nonstop2h 58mFrontier
Deal found 5/16$73
mié. 6/55:01 amDEN - SEA
Nonstop3h 00mFrontier
lun. 6/104:07 pmSEA - DEN
Nonstop2h 48mFrontier
Deal found 5/15$74
mié. 5/295:31 amDEN - SEA
Nonstop3h 03mFrontier
sáb. 6/110:08 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 5/15$75
vie. 6/712:32 pmDEN - SEA
Nonstop3h 01mFrontier
mar. 6/118:12 pmSEA - DEN
Nonstop2h 58mFrontier
Deal found 5/16$76
vie. 5/316:40 amDEN - SEA
Nonstop3h 05mFrontier
mar. 6/48:14 pmSEA - DEN
Nonstop3h 01mFrontier
Deal found 5/15$77
jue. 8/226:35 amDEN - SEA
Nonstop3h 02mFrontier
lun. 8/2610:08 pmSEA - DEN
Nonstop2h 43mFrontier
Deal found 5/15$78
vie. 5/316:40 amDEN - SEA
Nonstop3h 05mFrontier
mié. 6/57:54 amSEA - DEN
Nonstop2h 51mFrontier
Deal found 5/15$79
lun. 6/36:35 amDEN - SEA
Nonstop3h 05mFrontier
jue. 6/611:28 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 5/15$80
lun. 6/105:06 amDEN - SEA
Nonstop3h 00mFrontier
mié. 6/129:41 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 5/14$82

Cheap Sun Country Air flights from Colorado to Seattle

Explore cheap flight options specifically provided by Sun Country Air for the route between Colorado and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Some of the best deals we've found on Sun Country Air flights traveling from Colorado to Seattle. Deals are refreshing constantly so come back soon for more options.
vie. 5/247:30 pmDEN - SEA
1 stop13h 10mSun Country Air
lun. 5/275:05 pmSEA - DEN
1 stop14h 55mSun Country Air
Deal found 5/15$163
vie. 5/247:30 pmDEN - SEA
1 stop13h 10mSun Country Air
dom. 5/262:50 pmSEA - DEN
1 stop17h 10mSun Country Air
Deal found 5/15$176
jue. 7/189:45 amDEN - SEA
Nonstop3h 00mSun Country Air
dom. 7/2111:59 pmSEA - DEN
1 stop16h 44mSun Country Air
Deal found 5/16$183
vie. 5/315:25 pmDEN - SEA
1 stop6h 25mSun Country Air
lun. 6/38:50 amSEA - DEN
1 stop7h 14mSun Country Air
Deal found 5/15$194
mié. 5/225:20 pmDEN - SEA
1 stop15h 25mSun Country Air
sáb. 5/256:15 pmSEA - DEN
1 stop12h 25mSun Country Air
Deal found 5/16$204
vie. 8/99:51 amDEN - SEA
1 stop14h 02mSun Country Air
vie. 8/911:59 pmSEA - DEN
1 stop14h 10mSun Country Air
Deal found 5/16$216

Cheap Colorado to Seattle flights in May & June 2024

Find cheap flight options from Colorado to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on mayo 16, 2024.
The lowest fares we've come across on flights traveling from Colorado to Seattle in May and June 2024. More deals are always being added, so be sure to check back regularly.
jue. 5/236:25 amDEN - SEA
Nonstop3h 05mFrontier
dom. 5/268:04 amSEA - DEN
Nonstop2h 52mFrontier
Deal found 5/15$78
vie. 5/316:40 amDEN - SEA
Nonstop3h 05mFrontier
mié. 6/57:54 amSEA - DEN
Nonstop2h 51mFrontier
Deal found 5/15$79
lun. 6/36:35 amDEN - SEA
Nonstop3h 05mFrontier
jue. 6/611:28 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 5/15$80
lun. 6/105:06 amDEN - SEA
Nonstop3h 00mFrontier
mié. 6/129:41 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 5/14$82
mar. 6/45:12 pmDEN - SEA
Nonstop3h 02mFrontier
mar. 6/118:12 pmSEA - DEN
Nonstop2h 58mFrontier
Deal found 5/16$83
jue. 5/306:25 amDEN - SEA
Nonstop3h 05mFrontier
lun. 6/36:29 pmSEA - DEN
Nonstop3h 00mFrontier
Deal found 5/15$84
mar. 6/45:12 pmDEN - SEA
Nonstop3h 02mFrontier
jue. 6/611:28 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 5/16$85
jue. 5/306:45 pmDEN - SEA
Nonstop3h 04mFrontier
sáb. 6/110:08 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 5/15$87
mié. 5/295:31 amDEN - SEA
Nonstop3h 03mFrontier
dom. 6/28:04 amSEA - DEN
Nonstop2h 52mFrontier
Deal found 5/16$88

Colorado to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Colorado and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
The lowest fares we've come across on flights traveling from Colorado to Seattle in May and June 2024. More deals are always being added, so be sure to check back regularly.
jue. 8/226:35 amDEN - SEA
Nonstop3h 02mFrontier
lun. 8/2610:08 pmSEA - DEN
Nonstop2h 43mFrontier
Deal found 5/15$78
vie. 5/316:40 amDEN - SEA
Nonstop3h 05mFrontier
mié. 6/57:54 amSEA - DEN
Nonstop2h 51mFrontier
Deal found 5/15$79
lun. 6/36:35 amDEN - SEA
Nonstop3h 05mFrontier
jue. 6/611:28 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 5/15$80
lun. 6/105:06 amDEN - SEA
Nonstop3h 00mFrontier
mié. 6/129:41 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 5/14$82
mar. 6/45:12 pmDEN - SEA
Nonstop3h 02mFrontier
mar. 6/118:12 pmSEA - DEN
Nonstop2h 58mFrontier
Deal found 5/16$83
jue. 5/306:25 amDEN - SEA
Nonstop3h 05mFrontier
lun. 6/36:29 pmSEA - DEN
Nonstop3h 00mFrontier
Deal found 5/15$84
mar. 6/45:12 pmDEN - SEA
Nonstop3h 02mFrontier
jue. 6/611:28 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 5/16$85
mié. 10/27:08 pmDEN - SEA
Nonstop3h 03mFrontier
mar. 10/89:37 amSEA - DEN
Nonstop2h 48mFrontier
Deal found 5/15$86
jue. 5/306:45 pmDEN - SEA
Nonstop3h 04mFrontier
sáb. 6/110:08 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 5/15$87

Non-stop flights to Seattle from Colorado

Discover non-stop flight options from Colorado to Seattle. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
For a shorter flight, select one of these non-stop flights from Colorado to Seattle. Those looking to potentially save on 1 or 2-stop flights from Colorado to Seattle should utilize the search form at the the top of the page.
mié. 6/55:01 amDEN - SEA
Nonstop3h 00mFrontier
mar. 6/118:12 pmSEA - DEN
Nonstop2h 58mFrontier
Deal found 5/15$55
mié. 8/216:35 amDEN - SEA
Nonstop3h 02mFrontier
mié. 8/2810:08 pmSEA - DEN
Nonstop2h 43mFrontier
Deal found 5/15$60
mié. 5/295:31 amDEN - SEA
Nonstop3h 03mFrontier
mié. 6/59:41 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 5/16$64
vie. 6/75:06 amDEN - SEA
Nonstop3h 00mFrontier
mar. 6/118:12 pmSEA - DEN
Nonstop2h 58mFrontier
Deal found 5/15$65
mié. 9/186:35 amDEN - SEA
Nonstop3h 02mFrontier
sáb. 9/2110:08 pmSEA - DEN
Nonstop2h 43mFrontier
Deal found 5/15$66
mié. 5/295:31 amDEN - SEA
Nonstop3h 03mFrontier
mié. 6/57:54 amSEA - DEN
Nonstop2h 51mFrontier
Deal found 5/15$67
mié. 8/216:35 amDEN - SEA
Nonstop3h 02mFrontier
mié. 8/2810:08 pmSEA - DEN
Nonstop2h 43mFrontier
Deal found 5/16$68
jue. 6/64:47 pmDEN - SEA
Nonstop3h 06mFrontier
mar. 6/118:12 pmSEA - DEN
Nonstop2h 58mFrontier
Deal found 5/16$73
vie. 5/316:40 amDEN - SEA
Nonstop3h 05mFrontier
mar. 6/48:14 pmSEA - DEN
Nonstop3h 01mFrontier
Deal found 5/15$74

Colorado to Seattle flights leaving soon

Find last-minute flight options from Colorado to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Have a look at some of the last-minute flights available departing from Colorado to Seattle. To prevent any unwanted surprises, users should verify their flight info before booking.
jue. 5/236:25 amDEN - SEA
Nonstop3h 05mFrontier
dom. 5/268:04 amSEA - DEN
Nonstop2h 52mFrontier
Deal found 5/15$78
jue. 5/236:25 amDEN - SEA
Nonstop3h 05mFrontier
mar. 6/119:41 amSEA - DEN
Nonstop2h 59mFrontier
Deal found 5/15$99
jue. 5/236:25 amDEN - SEA
Nonstop3h 05mFrontier
dom. 5/269:39 pmSEA - DEN
Nonstop2h 55mFrontier
Deal found 5/16$103
jue. 5/236:25 amDEN - SEA
Nonstop3h 05mFrontier
sáb. 5/2510:08 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 5/15$104
dom. 5/265:01 amDEN - SEA
Nonstop3h 03mFrontier
mié. 5/298:34 amSEA - DEN
Nonstop2h 52mFrontier
Deal found 5/15$107
vie. 5/247:30 pmDEN - SEA
1 stop13h 10mMultiple Airlines
dom. 5/269:39 pmSEA - DEN
Nonstop2h 55mMultiple Airlines
Deal found 5/15$109
vie. 5/247:30 pmDEN - SEA
1 stop13h 10mMultiple Airlines
mié. 5/298:34 amSEA - DEN
Nonstop2h 52mMultiple Airlines
Deal found 5/14$115
vie. 5/246:40 amDEN - SEA
Nonstop3h 05mFrontier
dom. 5/268:04 amSEA - DEN
Nonstop2h 52mFrontier
Deal found 5/15$119
vie. 5/246:40 amDEN - SEA
Nonstop3h 05mFrontier
dom. 5/269:39 pmSEA - DEN
Nonstop2h 55mFrontier
Deal found 5/16$122

One-way flights to Seattle from Colorado

Search for one-way flight options from Colorado to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Take a look at some of the one-way flights we've detected from Colorado to Seattle. Users needing a return flight from Colorado to Seattle should utilize the search form above.
mié. 7/245:20 amDEN - SEA
Nonstop2h 59mFrontier
Deal found 5/15$64
mié. 7/245:01 amDEN - SEA
Nonstop2h 59mFrontier
Deal found 5/16$65
jue. 6/208:23 amDEN - SEA
Nonstop3h 03mFrontier
Deal found 5/15$66
jue. 5/236:25 amDEN - SEA
Nonstop3h 05mFrontier
Deal found 5/15$71
mar. 7/236:36 amDEN - SEA
Nonstop3h 02mFrontier
Deal found 5/15$74
vie. 5/246:40 amDEN - SEA
Nonstop3h 05mFrontier
Deal found 5/15$75
dom. 7/216:15 amDEN - SEA
Nonstop3h 02mFrontier
Deal found 5/16$78
dom. 6/24:10 pmDEN - SEA
1 stop16h 35mSun Country Air
Deal found 5/15$79
dom. 5/265:01 amDEN - SEA
Nonstop3h 03mFrontier
Deal found 5/15$80

Find flights from Colorado to Seattle within your budget

Customize your flight search to find flights from Colorado to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$73 - $188

Route

Depart

Return

Price

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

jue. 6/6

Nonstop3h 06m

Seattle/Tacoma Intl

mar. 6/11

Nonstop2h 58m

$73

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

mié. 6/5

Nonstop3h 00m

Seattle/Tacoma Intl

lun. 6/10

Nonstop2h 48m

$74

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

mié. 5/29

Nonstop3h 03m

Seattle/Tacoma Intl

sáb. 6/1

Nonstop2h 53m

$75

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

vie. 6/7

Nonstop3h 01m

Seattle/Tacoma Intl

mar. 6/11

Nonstop2h 58m

$76

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

vie. 5/31

Nonstop3h 05m

Seattle/Tacoma Intl

mar. 6/4

Nonstop3h 01m

$77

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

mié. 6/5

1 stop16h 17m

Seattle/Tacoma Intl

mar. 6/11

Nonstop2h 58m

$123

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

jue. 7/18

Nonstop3h 00m

Seattle/Tacoma Intl

dom. 7/21

1 stop16h 44m

$183

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

vie. 9/20

1 stop5h 05m

Seattle/Tacoma Intl

dom. 9/22

Nonstop2h 43m

$184

Colorado SpringsSeattle/Tacoma Intl

COS - SEA

COSSEA

Colorado Springs

sáb. 10/26

1 stop6h 50m

Seattle/Tacoma Intl

mar. 10/29

1 stop6h 39m

$188

Flights are sorted by cheapest first

Deals found on 5/16

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated mayo 16, 2024.
Peruse reviews from past customers who have flown with Frontier, Sun Country Air and Alaska Airlines from Colorado to Seattle to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,040 reviews
Check prices

Entertainment

7.8

Overall

8.2

Food

7.3

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
6,040 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Entertainment

7.8

Overall

8.2

Food

7.3

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.1
Very good
9,157 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Entertainment

7.8

Overall

8.2

Food

7.3

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
10,673 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Entertainment

7.8

Overall

8.2

Food

7.3

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,924 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Entertainment

7.8

Overall

8.2

Food

7.3

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.3
Good
14,514 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Entertainment

7.8

Overall

8.2

Food

7.3

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Colorado to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • Can I find flights from Colorado to Seattle for under $100 on Cheapflights?

    Yes, there are multiple flights from Colorado to Seattle for under $100. The cheapest flight booked recently is on Frontier for just $73, but on average you can expect to pay $83.

  • Are there nonstop flights from Colorado to Seattle for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Colorado to Seattle under $100. A good price for a nonstop flight from Colorado to Seattle is less than $73.

  • Are there last-minute flights available from Colorado to Seattle for under $100?

    There are currently 20+ open flights from Colorado to Seattle within the next 7 days for less than $100.

  • What days are nonstop flights available from Colorado to Seattle?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How popular is this Colorado to Seattle flight route?

    This flight path from Colorado to Seattle/Tacoma Intl was viewed by 116 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    48 flight departures from Colorado to Seattle per day on average.
    Early Morning (Midnight to 6am) - 8% of flight departures
    Morning (6am - Noon) - 50% of flight departures
    Afternoon (Noon - 6pm) - 25% of flight departures
    Evening (6pm - Midnight) - 17% of flight departures

  • How long is the flight from Colorado to Seattle?

    There are many flights that can get you from Colorado to Seattle in 3h 06m. Fly via Frontier to get the fastest option. The distance from Colorado to Seattle is about 1028 mi. Most flights are nonstop.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $64. Sun Country Air flights start at $79 while deals on Alaska Airlines start at $89 one-way.

  • What are the most popular routes from Colorado to Seattle?

    Most travelers choose Denver Intl - Seattle/Tacoma Intl, Colorado Springs - Seattle/Tacoma Intl or Grand Junction Regnl - Seattle/Tacoma Intl when deciding on the best route from Colorado to Seattle.

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

    The most popular airlines flying from Colorado to Seattle are Undisclosed Carrier, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

  • What are the most reliable airlines from Colorado 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 Colorado to Seattle on time: SkyWest Airlines (100%), China Eastern (100%), China Southern (100%).

  • What are the cheapest flights from Colorado to Seattle?

    While on average a flight from Colorado to Seattle is generally $648, our data shows the cheapest flight currently is $46. When looking at the most popular route, (Denver Intl - Seattle/Tacoma Intl), you can expect to pay $114 for that flight.

  • What does DEN to SEA mean?

    This is defined as Denver Intl Airport (DEN) and Seattle/Tacoma Intl Airport (SEA). Codes like Seattle/Tacoma Intl Airport are often used to just call airports uniquely. Ready for more IATA code knowledge? These are related airports for your current travel destination: Colorado Springs Airport (COS), Grand Junction Regnl Airport (GJT), Durango La Plata County Airport (DRO), Aspen Pitkin County Airport (ASE), Montrose County Airport (MTJ).

  • Can I find deals for flights from Colorado to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Colorado to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Colorado to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Colorado to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Colorado to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Colorado 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.

  • Can I find deals for flights from Colorado to Seattle that allow pets onboard?

    Many airlines flying from Colorado to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Colorado to Seattle?

    Yes, you can often find last-minute deals on Colorado to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Colorado to Seattle flight deals updated?

    The Colorado to Seattle flight deals you see on this page were last updated on 5/16.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

Los Angeles to Seattle flights
John F Kennedy Intl to Seattle flights
Dallas/Fort Worth to Seattle flights
Newark to Seattle flights
San Francisco to Seattle flights
Boston to Seattle flights
Atlanta to Seattle flights
O'Hare Intl to Seattle flights
Santa Ana to Seattle flights
Dulles Intl to Seattle flights
LaGuardia to Seattle flights
Ontario to Seattle flights
Reagan-National to Seattle flights
Burbank to Seattle flights
Los Angeles to Portland flights
Denver to Seattle flights
Sky Harbor Intl to Seattle flights
Detroit to Seattle flights
Minneapolis to Seattle flights
San Diego to Seattle flights
Baltimore to Seattle flights
San Jose to Seattle flights
Hobby to Seattle flights
Austin to Seattle flights
Salt Lake City to Seattle flights
Orlando to Seattle flights
Philadelphia to Seattle flights
Midway to Seattle flights
John F Kennedy Intl to Portland flights
George Bush Intcntl to Seattle flights
Oakland to Seattle flights
Raleigh to Seattle flights
Las Vegas to Seattle flights
Tampa to Seattle flights
Newark to Portland flights
Ontario to Portland flights
Kansas City to Seattle flights
Cincinnati to Seattle flights
Nashville to Seattle flights
Sacramento to Seattle flights
Fort Lauderdale to Seattle flights
Boston to Portland flights
San Francisco to Portland flights
Charlotte to Seattle flights
Indianapolis to Seattle flights
Dallas/Fort Worth to Portland flights
Los Angeles to Everett flights
Honolulu to Seattle flights
LaGuardia to Portland flights
Cleveland to Seattle flights

Top 6 airlines flying from Colorado to Seattle

Discover the top 6 airlines that operate flights from Colorado to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$41Average$118FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$58Average$155FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$79Average$406FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$89Average$427FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$108Average$508FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$182Average$436FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Washington, D.C. Reagan-National Airport to Boston flights
Miami to Nashville flights
Phoenix to Cancún flights
Miami to Rome flights
Detroit to Orlando flights
Newark Airport to Los Angeles flights
USA to Brazil flights
Las Vegas to Salt Lake City flights
San Francisco to Bengaluru flights
Austin to Seattle flights
Los Angeles to Mexico City flights
Colorado to Seoul flights

Search flights from Colorado to Seattle by cabin class

Find flights from Colorado to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Colorado to Seattle

Find hourly flight availability from Colorado 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 mayo 16, 2024.
7%of flight departuresEarly morningMidnight to 6 am
39%of flight departuresMorning6 am to noon
43%of flight departuresAfternoonNoon to 6 pm
11%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Montes Claros
Flights to Girona Costa Brava
Flights to Naxos
Flights to Bourgas
Flights to Hyannis Barnstable
Flights to Samos
Flights to Reggio Calabria Tito Menniti
Flights to Devils Lake
Flights to Ningbo Lishe Intl
Flights to Pellston Emmet County
Flights to Provincetown
Flights to Cortez Montezuma County
Flights to Ohrid
Flights to Oran Es Senia
Flights to Menorca/Mahon
Flights to Hakodate
Flights to Ordu/Giresun
Flights to Laayoune Hassan I
Flights to Cornwall Newquay
Flights to Melilla
Flights to Rennes St Jacques
Flights to Parikia Paros
Flights to Constanţa Mihail Kogalniceanu
Flights to Miyakojima Hirara

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Colorado to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Colorado to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Colorado to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Colorado to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines