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$33 Find cheap flights from Colorado to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 8/24. 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.
1 adult
0 bags
czw. 7/11
czw. 7/18

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Good to know

Low season

January

High season

July

Cheapest flight

$33
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Denver to Seattle

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.

See more FAQs

Prefer to fly non-stop from Colorado to Seattle?

Find which airlines fly direct from Colorado to Seattle/Tacoma Intl, which days they fly and book direct flights.

Nonstop departures

Colorado to Seattle/Tacoma Intl

Monday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Tuesday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Colorado

Monday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Tuesday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights
See more direct flights

Book cheap flights from Colorado to Seattle

Recent round-trip flight deals

8/11ndz.
nonstopFrontier
2h 59mDEN-SEA
8/24sob.
nonstopFrontier
2h 43mSEA-DEN
$71
9/5czw.
nonstopFrontier
3h 02mDEN-SEA
9/9pon.
nonstopFrontier
2h 43mSEA-DEN
$72
8/9pt.
nonstop
2h 58mDEN-SEA
8/24sob.
nonstop
2h 43mSEA-DEN
$92
8/16pt.
nonstopDelta
3h 01mDEN-SEA
8/20wt.
nonstopDelta
2h 44mSEA-DEN
$109
8/21śr.
nonstopAlaska Airlines
2h 57mDEN-SEA
8/27wt.
nonstopAlaska Airlines
2h 39mSEA-DEN
$137
9/6pt.
1 stop
6h 37mDEN-SEA
9/9pon.
nonstop
2h 43mSEA-DEN
$142
8/21śr.
nonstopAlaska Airlines
2h 59mDEN-SEA
8/27wt.
1 stopAlaska Airlines
4h 34mSEA-DEN
$171
11/12wt.
1 stopAmerican Airlines
7h 00mCOS-SEA
11/19wt.
1 stopAmerican Airlines
8h 54mSEA-COS
$188
8/22czw.
1 stopAmerican Airlines
8h 46mCOS-SEA
8/26pon.
1 stopAmerican Airlines
9h 44mSEA-COS
$222
7/4czw.
1 stopDelta
8h 43mASE-SEA
7/10śr.
1 stopDelta
7h 13mSEA-ASE
$296

Search by stops

Search by airline

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Recent one-way flight deals

8/24sob.
nonstopFrontier
3h 02mDEN-SEA
$33
9/12czw.
nonstopFrontier
3h 02mDEN-SEA
$34
8/13wt.
nonstopDelta
3h 01mDEN-SEA
$55
8/8czw.
nonstopAlaska Airlines
2h 58mDEN-SEA
$59
9/10wt.
1 stopUnited Airlines
6h 46mDEN-SEA
$60
8/14śr.
nonstopAlaska Airlines
2h 59mDEN-SEA
$69
8/16pt.
nonstopUnited Airlines
2h 55mDEN-SEA
$72
7/23wt.
nonstopDelta
2h 56mDEN-SEA
$89
7/30wt.
1 stopAmerican Airlines
6h 27mDEN-SEA
$99
7/11czw.
1 stopAmerican Airlines
7h 14mCOS-SEA
$128

Search by stops

Search by airline

Search by price

Last minute flights from Colorado to Seattle

Last minute flight, train and bus deals

6/16ndz.
nonstopFrontier
3h 00mDEN-SEA
6/26śr.
nonstopFrontier
2h 53mSEA-DEN
$146
6/16ndz.
nonstopFrontier
3h 00mDEN-SEA
6/17pon.
multi-stopFrontier
15h 40mSEA-DEN
$147
6/13czw.
multi-stopUnited Airlines
5h 22mCOS-SEA
6/24pon.
multi-stopUnited Airlines
5h 15mSEA-COS
$297
6/15sob.
multi-stopAmerican Airlines
6h 07mDEN-SEA
6/18wt.
multi-stopAmerican Airlines
5h 52mSEA-DEN
$306
6/16ndz.
multi-stop
27h 06mDEN-SEA
6/26śr.
multi-stop
13h 48mSEA-DEN
$311
6/16ndz.
multi-stop
11h 05mDEN-SEA
6/16ndz.
multi-stop
27h 57mSEA-DEN
$317
6/12śr.
multi-stopAmerican Airlines
6h 07mDEN-SEA
6/16ndz.
multi-stopAmerican Airlines
8h 35mSEA-DEN
$326
6/15sob.
multi-stopDelta
6h 32mDEN-SEA
6/18wt.
nonstopDelta
2h 44mSEA-DEN
$327
6/12śr.
multi-stopUnited Airlines
6h 46mDEN-SEA
6/19śr.
multi-stopUnited Airlines
7h 29mSEA-DEN
$331
6/15sob.
multi-stopDelta
4h 42mDEN-SEA
6/18wt.
multi-stopDelta
5h 31mSEA-DEN
$341

Search by stops

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Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Colorado

Cabin classes:

$343
$606
$298
$93