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Cheap Flights From Seattle, Washington To Denver, Colorado
Seattle
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Airfare Details for flights from Seattle to Denver
Search Now for Low Fares
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Airline(s):Southwest
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Seats are:Limited Availability
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Available for travel:Mon-Thu & Sat
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More Details:Late Summer/Fall travel; Nonstop flights, Travel between Aug. 26 - Dec. 18, 2013, No min. stay, Fare can be bought one-way for half the lowest roundtrip ...moreprice
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Last Updated:Wednesday, June 19, 2013
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Our Notes:Blackout dates: Sep. 2 & Nov. 26 - Dec. 3, 2013. When we checked, we found seats at this price departing SEP 10 and returning SEP 17. There are other dates ...moreavailable as well. Do not use the fare calendar below to find seats at this fare. Only use the Southwest link shown. Southwest fares can only be booked on Southwest.com. Other airlines often match each other on sale fares.
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. 
Are Your Travel Dates Set? Check Fares Now:
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More Flights From Seattle To Denver (SEA-DEN)
Price
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Details
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|---|---|
| $246 RT | Non-Stop Flights. Travel between Aug. 26 - Dec. 18, 2013 (American, United, Alaska, Frontier) See all details » |
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Reviews for Seattle to Denver (SEA-DEN)
Flown this route before? Write a review
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Flight from Seattle to Denver
- Airline:
- Frontier
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- February 2011
- Seat Class:
- economy
I always fly Alaska when possible. I fly every month to Denver. This time I took Frontier. The planes are smaller, no first class seating,Isles are smaller (many roll on bags won't fit isles) Seats are slightly smaller in width. You do get a chocolate chip cookie inlue of bag of nuts. No purchase of snack trays were offered. Attendants are less available during flight and we only had one drink service. Another note was there was 5 or 6 pilots dead heading back to Seattle and 4 of them were in the cockpit the entire flight. I will continue to fly my favorite, "Alaska Airlines," when possible.
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“Business class on Southwest is a deception”
Flight from Seattle to Denver
- Airline:
- Southwest
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- December 2010
- Seat Class:
- business
I was unfamiliar with Southwest but chose them for the least expensive business class flight. Little did I know that business class only means you enter the airplane ahead of economy class- seats are economy, service is economy, there are the same discomforts as flying economy. I felt that offering business class was deceptive, as it really is an upgrade on other airlines- so why pay more just to walk on the airplane ahead of economy passengers?
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Flight from Seattle to Denver
- Airline:
- Frontier
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- October 2010
- Seat Class:
- economy
After excellent express check-in with my 95-year-old father in Seattle and wheel chair service to the gate, we were allowed to board first. Kudos for these. I asked for help with our two carry-on cases in the very narrow aisle and got it somewhat grudgingly. After we were seated and other passengers began boarding, I saw a short woman ask the attendant which bin she should use for her case. The attendant tapped an open bin, then stood by as the woman struggled to lift her case into the bin. No help was offered by the attendant, who was standing next to her. It looked arrogant. The passenger behind her reached forward and helped with the case. This same attendant was sullen and unfriendly throughout the flight.
On the other hand, I left my book on the plane. Frontier Lost and Found was very accommodating; they mailed the book to me, and it was wating at home when I returned. Thank you, Frontier.
Obviously, most passengers think that $20 is too much to charge for checking a piece of luggage. Why not compromise and charge $10? The airline will make a profit over the present practice, and passengers will be much more willing to avoid cramming the bins until the doors bulge, which I saw and which would probably fail under a stressed landing.
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Flight from Seattle to Denver
- Airline:
- Alaska
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- September 2010
- Seat Class:
- economy
Missed the return flight by minutes--a nice gentleman found us a flight leaving just one hour later. The flight attendants were a lot of fun--with a fun sense of humor. And we were served chocolate chips cookies YUM! Smoothest landing ever!!
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“Good flight, pleasant attendants, every seat full.”
Flight from Seattle to Denver
- Airline:
- Alaska
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- September 2010
- Seat Class:
- economy
It was flights as they go these days. The attendants were quite pleasant and helpful. Timely flight. Smooth landing. Quick baggage delivery after flight.
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Flight from Seattle to Denver
- Airline:
- Alaska
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- September 2010
- Seat Class:
- economy
Alaska airlines is my favorite--on-time, friendly, clean, and the easiest (and fastest!) checkin and bag check process around. Plus, there's a new guarantee that your bag will be on the carousel within 20 minutes of the plane door openening. Both ways my bag beat me to the bag claim area!
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Flight from Seattle to Denver
- Airline:
- Southwest
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- August 2010
- Seat Class:
- economy
WE left on time and arrived early. The checking in was seamless and luggage arrived in a timely manner.
Flight crew was very nice! Great experience.
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Flight from Seattle to Denver
- Airline:
- Southwest
- RT/OW
- One Way
- Number of Stops:
- No stops
- Date of Flight:
- July 2010
- Seat Class:
- economy
Southwest Airline attendants are very down to earth and funny to boot. While it takes a little getting used to not having an assigned seat, I really like the cheaper flights and they are the only in-country airline who does not charge for your check-in baggage.
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Flight from Seattle to Denver
- Airline:
- Alaska
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- June 2010
- Seat Class:
- economy
ON time both flights. Cheeseburger I bought on board was cheaper than in the Seatac airport and was really quite good.
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“On time, courteous, helpful crew”
Flight from Seattle to Denver
- Airline:
- Alaska
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- March 2010
- Seat Class:
- economy
I wanted to change my seat- cheerfully done. Since I was sitting behind the bulkhead, I was allowed to board early so I'd have access to overhead compartment. Flight crew were helpful and pleasant. Takeoff and arrival on time.
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Flight from Seattle to Denver
- Airline:
- United
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- May 2010
- Seat Class:
- economy
We were diverted to Boise due to a medical emergency on board. The crew was efficient in getting us back in the air without being too late. So, kudos to the crew. I've always found the crews of United to be good, but the planes have the least leg room of all my usual airlines.
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“Seattle boarding better than Denver”
Flight from Seattle to Denver
- Airline:
- Alaska
- RT/OW
- Round Trip
- Number of Stops:
- No stops
- Date of Flight:
- April 2010
- Seat Class:
- economy
The flight was great. However, the service and check in procedure was much better for me in Seattle than in Denver.
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Flight from Seattle to Denver
- Airline:
- Southwest
- RT/OW
- Round Trip
- Number of Stops:
- 2 stops in Spokane, Washington and Salt Lake City, Utah
- Date of Flight:
- April 2010
- Seat Class:
- economy
For the second time when flying Southwest, as we were landing in Denver, one of the flight attendants broke into a silly song which just makes flying a little more human and humorous.
-Vivian
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