Alaska Airlines offers a 20-minute baggage guarantee, ensuring quick baggage claim or compensation.
Alaska Airlines' Premium Class offers priority boarding and complimentary drinks on flights over 350 miles.
Planning a trip from Seattle to Kansas City? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.
Low season | February |
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High season | December |
Cheapest flight | $75 |
Direct departures
Seattle/Tacoma Intl to Kansas City
Monday
Air Tahiti Nui, Alaska Airlines, American Airlines, +7 more
Air Tahiti Nui, Alaska Airlines, +8 more
6
7
Tuesday
Air Tahiti Nui, Alaska Airlines, American Airlines, +6 more
Air Tahiti Nui, Alaska Airlines, +7 more
5
6
Wednesday
Air Tahiti Nui, Alaska Airlines, American Airlines, +7 more
Air Tahiti Nui, Alaska Airlines, +8 more
6
7
Thursday
Air Tahiti Nui, Alaska Airlines, American Airlines, +6 more
Air Tahiti Nui, Alaska Airlines, +7 more
5
6
Friday
Air Tahiti Nui, Alaska Airlines, American Airlines, +7 more
Air Tahiti Nui, Alaska Airlines, +8 more
6
7
Saturday
Air Tahiti Nui, Alaska Airlines, American Airlines, +8 more
Air Tahiti Nui, Alaska Airlines, +9 more
7
8
Sunday
Air Tahiti Nui, Alaska Airlines, American Airlines, +7 more
Air Tahiti Nui, Alaska Airlines, +8 more
6
7
Direct returns
Kansas City to Seattle/Tacoma Intl
Monday
Air Tahiti Nui, Alaska Airlines, American Airlines, +6 more
Air Tahiti Nui, Alaska Airlines, +7 more
5
6
Tuesday
Air Tahiti Nui, Alaska Airlines, American Airlines, +5 more
Air Tahiti Nui, Alaska Airlines, +6 more
4
5
Wednesday
Air Tahiti Nui, Alaska Airlines, American Airlines, +6 more
Air Tahiti Nui, Alaska Airlines, +7 more
5
6
Thursday
Air Tahiti Nui, Alaska Airlines, American Airlines, +5 more
Air Tahiti Nui, Alaska Airlines, +6 more
4
5
Friday
Air Tahiti Nui, Alaska Airlines, American Airlines, +6 more
Air Tahiti Nui, Alaska Airlines, +7 more
5
6
Saturday
Air Tahiti Nui, Alaska Airlines, American Airlines, +7 more
Air Tahiti Nui, Alaska Airlines, +8 more
6
7
Sunday
Air Tahiti Nui, Alaska Airlines, American Airlines, +6 more
Air Tahiti Nui, Alaska Airlines, +7 more
5
6
Wheelchair assistance was provided in Seattle and was very gratefully accepted. Thank you to the Alaska staff.
Wheelchair assistance was provided in Seattle and was very gratefully accepted. Thank you to the Alaska staff.
I payed for a window seat and was assigned the middle seat. The window seat just so happened to be open. Which made the ride alot more comfortable. I think I should get what I pay for without having to buy extra fight protection. If I pay for it first that should be the end of that seats history because it's now spoken for. That alone might make me think twice about using this again
We were flying 1st class for a special occasion. This was a Hawaiian airlines flight. It was exceptional. Very comfortable seats and space. Extremely attentive crew. Food was great for airline food. They provided tablets to watch and full headphones to listen. This was the best airline experience I have had in decades.
Didn't care for the crowding at the gate area at SEA TAC. Not a fault of the airline.
Loved the staff ease of flying snacks and free movies and WiFi
you could have gotten me there on the day I was supposed to be there, not a day later. Paid for 3 nights at a VRBO and got to spend only 2 nights there.
Flight crew and gate staff were very polite and professional. They were very helpful and made my trip smooth and trouble free
Our flight was delayed BY 6 hours and the reason it was delayed because they needed a part which made me be worried about the plane. They did not have any TVS. Add the seeds and this was a very long flight. But they also only offered snacks, and even after we waited the 6 hours of being delayed with that, we still have to pay for drinks. If we we wanted one
all crew, pilots and attendants were fantastic. Both to and from flight to SEA, attendants went above and beyond.
Late boarding, but the flight was smooth and the crew was accommodating.
Near 4 hour flight with only 1 service. Had to use call button to request water. Internet and power not working until into flight. Internet would stop working during flight.
Southwest's seats are the least comfortable I have ever sat in.
The cabin was quiet for the redeye flight. The area was clean. The staff was great. The 787 Max was in good condition. Drawbacks were that the seat widths were tight for some passengers. The seat padding was at best average and for a long flight uncomfortable.
Southwest like most American domestic airlines, is a mediocre airline. But it is among the cheapest. Oh well.
My flight was delayed 50 minutes and we were rushed to board to then sit for 15 minutes until the pilot arrived. Unacceptable since we could have waited to board. Also the delayed flight was updated AFTER we boarded to more than the 10 minutes as originally stated.
Other than a bit of a delay, everything was good. Again, the boarding process and picking seats is the only thing I don't enjoy.
If we are going to have to pay for luggage, make it easier to do. Put something on the app during check-in so I don't need to do it at the kiosk. I've done it twice recently and I ended up having to pay at the desk because something went wrong at the kiosk in Tampa.
southwest just starting charging for luggage. hadnt realized it until it was too late. now out $70 when i couldve bought a carry on if i wouldve known. free bags was one of the only reasons i chose southwest over another airline (the other being no assigned seats, which is apparently also being changed). stupid business decision. wont be flying southwest anymore.
The quality of Southwest Airlines continues to degrade each time I fly with them. If it were not for the free luggage, I would probably choose another airline. Their prices are a little bit competitive, but way too high for the quality of the service. Southwest is not unique in this way. Domestic flight in the United States of America has continued to be a lower and lower quality product. Very sad when you compare the quality of domestic airlines to that of many international airlines around the world.
Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.
Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate
Mechanic delay in addition to a 2 hour change in takeoff time was frustrating.
Delayed due to thunderstorms and no in-flight service due to rough weather — both of which are out of Delta’s control. Flight was good overall.
The flight attendants in SLC were rude. I arrived 40 minutes early to gate. Ticket said I needed check in for seat assignments and tried check in and attendants said they weren’t doing it. And proceeded to never call me to give me a ticket so when time to board I received the very last seat. Please relay to employees to do their job better..,
On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.
The seats got pretty uncomfortable pretty fast. The armrests are bigger than on other planes, so I had less room in the actual seat. My butt hurt by the end of the flight. :/ comfort was the primary issue. The crew were fantastic!
I believe that a four-hour trip should have a meal. Delta had none.
Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!
I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.
There was supposed to be a meal served, but there wasn’t and the major toilet was out of order
Alaska Airlines crew had the empty two people seats but they lied to us and said they can adjust us , so we have to seat apart
Ok but why they need to sell the ear buds?
Our flight was delayed, which I know things can happen. The bathrooms were dirty and a mess. It took over an hour to get our bags after the plane landed. Every flight was on the same 2 baggage claims. You would thing if we spent over 5 hours on a flight we would get more then a tiny bag of pretzels. The movie and tv choices were mid.
The flight was great! The flight attendants were friendly and attentive. I would definitely fly Hawaiian Aurlines again!
You have to buy the ear buds and they only offers little cup of water twice.
Boarding area in Seattle was super busy and tight due to the layout.
The flight was very smooth and the landing was AMAZING! I have flight anxiety and it didnt peak once! :) Thank you to the pilots and crew!!
Boarding was confusing. Why are families so special that they get to board first? They and their stupid kids take up all the space in the overhead compartments. Then I get stuck having to gate check a bag when I've gone to a lot of trouble to pack efficiently to AVOID checking luggage.
Pillows and blankets were nice since it was an overnight flight, but the seats should be larger and there should be more space between rows so we have more leg room.
service overall good. I thought paying for wi-fi in first class was tacky. Food was soggy.
Any flight to ORD after about 2pm this summer has been challenging. Flight was delayed getting in (coming from ORD) and that led to it not leaving before a ground stop due to lightening before they could fuel the plane, and so forth. They made up some time but we were still late in arriving at ORD, and that led to missed connections.
Food was ok, but not as good as I have had before on AA.
No issues. They did change our gate FOUR times in about 30 minutes which was mildly annoying but the flight was fine.
Great flight. No issues at all. I still think boarding could be more efficient but otherwise, a good experience.
Pretty good. The food was just mediocre, the boarding and crew were good.
The comfort of the seats was great, the crew eased my child’s anxieties and the fact that I had full cans of my beverage choice was great.
My flight got switched and my prepaid bag didnt transfer over properly so I paid to check ANOTHER BAG. I was placed in a middle seat and it was just miserable. At least it was a bulkhead row so I had legroom. The flight just never seem3d to end
4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.
Sat on the ground in Cincinnati for 50 minutes before deplaning
While waiting to claim my checked luggage, I discovered the airline had lost it. After a long wait and inquiries, I discovered it was on another flight. Fortunately, the airline finally sent my luggage home.
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