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Cheap Flights From Denver, Colorado (DEN) To Seattle, Washington (SEA)

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Fares from Denver, CO (DEN)
$145 RT to
Seattle, WA (SEA)
Sorry this deal is over or has been sold out! But here’s another great Airfarewatchdog verified fare for this route!
$145 RT Denver to Seattle, WA
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Airline(s)
Frontier
Seats:
Seats are not available on all flights or all dates of travel. You may need to have flexible travel dates to find this fare. Fares for travel on holidays may be higher.
Adv. Purchase:
14 Days
Available:
Sat
Travel Starting:
Saturday, 06 December 2014
More Details:
Lowest fare found for travel within the next 30 days.
Last Updated:
Saturday, 22 November 2014
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All mandatory taxes/fees are included in the price. Tax-inclusive fare may be a few dollars higher or lower depending on the airport you connect through, if any. Baggage fees, if applicable, and other optional fees are not included.

Our Dealhounds found this airfare using flexible date search. This means we searched a range of dates to find you the best price.

More Flights From Denver To Seattle (DEN-SEA)

Price
Details
$217 RT Non-Stop Flights. No min. stay (Alaska) See all details »
  • Airline(s):
    Alaska
  • Seats are:
    Seats Are Not Available On All Flights Or All Dates Of Travel. You May Need To Have Flexible Travel Dates To Find This Fare. Fares For Travel On Holidays May Be Higher.
  • Advance Purchase:
    14 Days
  • Available for travel:
    Tue/Wed/Sat
  • Travel ending:
    Tuesday, December 23, 2014
  • More Details:
    Non-Stop Flights, No Min. Stay
  • Last Updated:
    Tuesday, November 18, 2014
  • Our Notes:
    CheapAir Charges A $9.95 Booking Fee.

Reviews for Denver to Seattle (DEN-SEA)

based on 9 reviews
Flown this route before? Write a review
    1. Flight Rating

    2. Check-in Experience:

    3. In-flight Service:

    4. Seat Comfort:

    check in with alaska @ denver good, check in with frontier @ seatac grumpy!

    by stmtodd on April 28, 2011

    Flight from Denver to Seattle

    Airline:
    Alaska
    RT/OW
    Round Trip
    Number of Stops:
    No stops
    Date of Flight:
    April 2011
    Seat Class:
    economy

    everything with alaska airlines was good. good customer service all the way around. check in with our return flight back with frontier...the animals on the commercials may be funny and friendly but people at the check in counter...look out! everything else on frontier was pretty good though - especially the extra leg room. our <2 year old had enough room to stand, move around a bit and play.

    1. Flight Rating

    2. Check-in Experience:

    3. In-flight Service:

    4. Seat Comfort:

    Great Deal & Service

    by c050215 on March 10, 2011

    Flight from Denver to Seattle

    Airline:
    Frontier
    RT/OW
    Round Trip
    Number of Stops:
    No stops
    Date of Flight:
    February 2011
    Seat Class:
    economy

    I was able to get in on the fare sale @ Frontier and everything was Great!!. On time, great seat and service for a very Great price!!

    1. Flight Rating

    2. Check-in Experience:

    3. In-flight Service:

    4. Seat Comfort:

    Suffient comfort and service for a two hour flight

    by lsantorno on February 24, 2011

    Flight from Denver to Seattle

    Airline:
    Frontier
    RT/OW
    Round Trip
    Number of Stops:
    No stops
    Date of Flight:
    February 2011
    Seat Class:
    economy

    Always great flying Frontier, even economy seats have decent amount of leg room. Flight was on schedule and flight attendents polite and helpful.

    1. Flight Rating

    2. Check-in Experience:

    3. In-flight Service:

    4. Seat Comfort:

    First Time Southwest

    by colodoc on November 11, 2010

    Flight from Denver to Seattle

    Airline:
    Southwest
    RT/OW
    One Way
    Number of Stops:
    No stops
    Date of Flight:
    November 2010
    Seat Class:
    economy

    Left on time, boarding was no problem and the seats were very comfortable with adequate legroom. (I am 6'3"). Attendants were not very professional. The experience was very positive and would try them again without question.

    1. Flight Rating

    2. Check-in Experience:

    3. In-flight Service:

    4. Seat Comfort:

    Good service even with a delay

    by jerrilynnl on October 14, 2010

    Flight from Denver to Seattle

    Airline:
    Frontier
    RT/OW
    Round Trip
    Number of Stops:
    No stops
    Date of Flight:
    October 2010
    Seat Class:
    economy

    About 20 minutes or so into the flight, there was a medical emergency on board so we had to land in Jackson, WY. The crew was very efficient and professional in both caring for the sick passenger and the rest of the passengers. They kept us informed on the delays so we could call ahead to anyone waiting, got their paperwork done quickly and we were back in the air.

    1. Flight Rating

    2. Check-in Experience:

    3. In-flight Service:

    4. Seat Comfort:

    hassle-free

    by aol9271jo on September 9, 2010

    Flight from Denver to Seattle

    Airline:
    Southwest
    RT/OW
    Round Trip
    Number of Stops:
    No stops
    Date of Flight:
    August 2010
    Seat Class:
    economy

    The 1st trip with SW was very pleasant and most of all hassle-free. The staff was efficient and even entertaining! Kudos to one and all.

    1. Flight Rating

    2. Check-in Experience:

    3. In-flight Service:

    4. Seat Comfort:

    delay

    by jniesing8 on August 5, 2010

    Flight from Denver to Seattle

    Airline:
    Southwest
    RT/OW
    Round Trip
    Number of Stops:
    No stops
    Date of Flight:
    July 2010
    Seat Class:
    economy

    Not happy about the hour and a half delay. Missed our dinner reservations in Seattle, too dark for a view of anything and missed the sunset over the bay! (the whole reason we booked at this particular time of day!

    1. Flight Rating

    2. Check-in Experience:

    3. In-flight Service:

    4. Seat Comfort:

    Great flight for a great price

    by Dashkowitz on June 26, 2010

    Flight from Denver to Seattle

    Airline:
    Southwest
    RT/OW
    Round Trip
    Number of Stops:
    1 stop in Salt Lake City, Utah
    Date of Flight:
    June 2010
    Seat Class:
    economy

    One of the only airlines with no fees for bags and even gives a bag of peanuts!! Everyone of the people we dealt with were friendly and helpful. I look forward to flying Southwest again.

    1. Flight Rating

    2. Check-in Experience:

    3. In-flight Service:

    4. Seat Comfort:

    Frontier equaled its usual excellence

    by irahaber on June 2, 2010

    Flight from Denver to Seattle

    Airline:
    Frontier
    RT/OW
    Round Trip
    Number of Stops:
    No stops
    Date of Flight:
    April 2010
    Seat Class:
    economy

    Frontier used a A-320 aircraft. Clean, comfortable. Airport and flight staff are competent and gracious. Flight arrived 20 minutes early. Same experience on my return to Denver in early May. I've been concerned that with the takeover by Republic, that their service would decline. So far, I can't complain about anything. I will continue to use Frontier whenever possible. Southwest has a formidable competitor in Frontier and while I wish that Republic didn't feel the need to move some jobs to Indianapolis and Milwaukee, only my ego has been bruised.

Flown this route before? Write a review
Sample Fares found by other travelers within the past 72 hours
Price From/To Depart/Return Airline
$304 Flight from Denver to Seattle (DEN-SEA) Thu, Jun 5 - Sun, Jun 8 US Airways
$304 Flight from Denver to Seattle (DEN-SEA) Fri, Jun 6 - Sun, Jun 8 US Airways
$308 Flight from Denver to Seattle (DEN-SEA) Fri, Jun 6 - Sun, Jun 8 Frontier Airlines
$313 Flight from Denver to Seattle (DEN-SEA) Fri, Jun 6 - Sun, Jun 8 US Airways
$313 Flight from Denver to Seattle (DEN-SEA) Thu, Jun 5 - Sun, Jun 8 US Airways
$318 Flight from Denver to Seattle (DEN-SEA) Fri, Jun 6 - Sat, Jun 7 US Airways
$327 Flight from Denver to Seattle (DEN-SEA) Fri, Jun 6 - Sat, Jun 7 US Airways
$338 Flight from Denver to Seattle (DEN-SEA) Fri, Jun 6 - Fri, Jun 6 US Airways
$377 Flight from Denver to Seattle (DEN-SEA) Thu, Jun 5 - Sun, Jun 8 US Airways
$402 Flight from Denver to Seattle (DEN-SEA) Thu, Jun 5 - Fri, Jun 20 Alaska Airlines
There are approximately 179 flights covering the route from Denver International Airport in Denver to Seattle/Tacoma International Airport in Seattle, provided by as many as 8 airlines.

The following airlines sometimes offer nonstop cheap flights from Denver to Seattle:

Transwest Air

As an alternative to flying from Denver, you may also want to try searching for cheap flights from Colorado Springs (COS).
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