Delta's SkyMiles members enjoy free Wi-Fi on domestic flights, enhancing productivity and connectivity.
Delta's Comfort Plus offers up to three extra inches of legroom, ideal for medium-haul flights.
Planning a trip from Seattle to Miami? 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 | September |
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High season | December |
Cheapest flight | $59 |
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Miami Airport, which days they fly and book direct flights.
Direct departures
Seattle/Tacoma Intl to Miami
Monday
Air Tahiti Nui, Alaska Airlines, American Airlines, +4 more
Air Tahiti Nui, Alaska Airlines, +5 more
3
4
Tuesday
Air Tahiti Nui, Alaska Airlines, Delta, +4 more
Air Tahiti Nui, Alaska Airlines, +5 more
3
4
Wednesday
Air Tahiti Nui, Alaska Airlines, American Airlines, +4 more
Air Tahiti Nui, Alaska Airlines, +5 more
3
4
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, +4 more
Air Tahiti Nui, Alaska Airlines, +5 more
3
4
Saturday
Air Tahiti Nui, Alaska Airlines, American Airlines, +4 more
Air Tahiti Nui, Alaska Airlines, +5 more
3
4
Sunday
Air Tahiti Nui, Alaska Airlines, American Airlines, +5 more
Air Tahiti Nui, Alaska Airlines, +6 more
4
5
Direct returns
Miami to Seattle/Tacoma Intl
Monday
Air Tahiti Nui, Alaska Airlines, American Airlines, +5 more
Air Tahiti Nui, Alaska Airlines, +6 more
4
5
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, +5 more
Air Tahiti Nui, Alaska Airlines, +6 more
4
5
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, +5 more
Air Tahiti Nui, Alaska Airlines, +6 more
4
5
Saturday
Air Tahiti Nui, Alaska Airlines, American Airlines, +5 more
Air Tahiti Nui, Alaska Airlines, +6 more
4
5
Sunday
Air Tahiti Nui, Alaska Airlines, American Airlines, +5 more
Air Tahiti Nui, Alaska Airlines, +6 more
4
5
I made a mistake. Read what I wrote in the flight from Dulles to SEA. The negative experience was from SEA to BOI. Total garbage. Wont do it again.
I made a mistake. Read what I wrote in the flight from Dulles to SEA. The negative experience was from SEA to BOI. Total garbage. Wont do it again.
Need to get on train for second flight it’s much nicer when all the gates are together for obvious reasons
Cramped, crowded aircraft. Poorly organized boarding. Tasteless crackers to eat. 40 minutes late. A standard US air travel experience.
Would not mind having movie options an available like Delta, but is not necessary. Did not have food, so cannot appropriately rate that section.
Three hour flight so snacks and basic drinks unless you pre buy as usual. Didn’t do my emtertainment as was tired after 23 hours of travel. You have to use your own device on US flights if travelers aren’t aware so if you only use your cell phone that can be small. Crew are great.
Awful. We got the last seats and they don't recline. We've been on this horrible journey since 6am and won't get to our destination almost a full day later. Oh and no food, either. Never again.
An uneventful flight is a good experience although one of the pilots gauges wasn’t working right so we had a half hour delay—no one can foresee that.
Plane was delayed and got me in past bedtime. But more importantly, my tsa precheck number wasn’t on my ticket so had to deal with the general line. Oh well, guess the delay helped that situation.
It was as good as flying can be, which is still very uncomfortable. Clean new aircraft, great crew.
Everything was good. The flight attendants were great. I was disappointed that there wasn’t any screens on the back of the seats to watch movies, tv, etc. I only had my phone to watch movies on.
Crew was friendly Love the entertainment in the seat head rest.
Great staff. Wifi is terrible. Signing up for skylines is a painstaking process. Had to call customer service just to get my flight itinerary and confirmation sent to me. Consistent delays. A well staffed company that is run so poorly. Upper management needs to be renewed.
The crew was wonderful and attentive. The seats near exit row were restrictive. Offer healthy snacks please
Other then mechanical/ computer problem and 3.5 hours flight delay the flight was great. I guess that what happened when you fly an old airplane now a day.
Coach seating is debilitating, neither my husband or I can walk the following day
This was a code share Latam Airlines flight - everything very good except there was no seatback entertainment
Don't waste your money or points on first class. Delta first class is a joke. The seats were rickety, the food was awful, and nothing worked, wifi, my light, the power plug - and it was dirty - the fold out table was gross. For 2-3 hours, tough it out in Economy.
It was NOT pleasant. Started from checking our luggage to the last time getting off the plane. The crew was not friendly, the food was horrible and the seats were too close to each other that I got a bruise on my knee.
Loyal Delta traveler, but last nights flight was a train wreck. Seated in 1B after multiple delays. Then we couldn’t takeoff because of an issue with the passenger that was ‘not in compliance’ and had to deplane along with the threat if they did not deplane, all the passengers would be required to do so. Finally they were escorted off, but the experience threw off the crew. Disruptive for everyone. Service was a mess, televisions didn’t work, bathroom door kept swinging open during the entire flight whenever empty …
My flight was cancelled twice and the third time I tried to rebook it online I cancelled the flight because it looked like I would get a refund to my credit card. Instead I now have a credit. I was also on hold for three hours waiting for a representative and then disconnected. I will never fly delta again.
A bit rush for transit. Food and entertainment are not available
Multiple delays and not straight answer from the United team
Stewardess spilled orange juice on my clothes/seat no help no apology just threw napkins at me to clean the mess up. Not Happy.
Smooth flight. Boarding was chaotic. Could not hear the gate agent over the intercom. People were lined up in the wrong lines. Groups one and two were told to board through line one and group 3 through line 2. All very confusing. Once in the air, the flight was smooth. There was no entertainment option on this aircraft, even though it was a larger aircraft.
The plane pushed back from the gate on time. However, it stopped on the ramp, and we waited for over 20 minutes before the aircraft pulled back to the gate. Apparently, something of importance had to be removed from the aircraft by the gate agent. I found this to be odd. The delay was not significant, but I felt that whatever was on the aircraft that had to be taken off, should’ve been done before we pushed back from the gate.
Electric plugs didn't work. Entertainment system wasn't working
The design of the light switch on the arm rest is ridiculous.
Smooth boarding process. Early departure, smooth flight, early arrival. The entertainment package has very good recent movie options. The flight crew were friendly and professional.
leg space better than expected. two washrooms for one plane isn't enough.
The gate attendant let me walk right by her with a bag too big for the overhead compartment
Would have thought that they would gas up plane before everyone got on board
The flights were terribly delayed and then cancelled which forced us booking another night at the hotel. Very poor management from American Airlines
Crew was late. Baggage was late. 2hs inside the plane waiting fro de-icing and traffic. A 3:30hs flight ended up being almost 6hs inside the airplane.
Checking in at the counter was very disappointing. The lady had a very bad attitude and smart at me. She had no smile, did not greet me by name, or acknowledge me as a valued customer. Poor reflection of the airline.
Miami lounges were overcrowded and we were unable to get in. We only had a short time. But the banks are too tight in all American hubs
Boarded over an hour late, no communication, the sign just changed, no attendant to answer questions - she disappeared forever (hiding). Small plane and couldn’t hear the overhead nor understand.
Two issues. The plane was old and dirty. The armrest looked like an old car that had the vinyl rubbed off. The Seats in these aircraft are about as hard and uncomfortable. I want to tour Italy for a month and I want to buy a one-way ticket to Thailand but I will not sit in the seats these planes have. It is seriously stupid how hard they are.
Check bag location is full of rude employees who are unwilling to assist with issues after talking to AA on the phone and relaying messages. The boarding was good. While on the flight it got really hot. Asked flight attendant if there’s a way to drop the temp and make it more comfortable as we are flying from DC to Miami so flying from cold to hot weather. No changes made. Stayed hot and uncomfortable on the plane. When asked again about the AC being down the flight attendant said no the WiFi was down but not the AC. I mentioned it was still hot. No changes.
There was a delay that affected all passengers with connecting flights.
I love to flight american however my carry on had to be sent with regular luggage and it was broken. Don't appreciate that. If when I buy a ticket says I can take a carry on and a hand item there should be space for mwsy stuff and not be basically forced to send the item even if it's at no charge. A.A. needs to work on that. Everything else excellent.
Not very good. Paid in excess of $400 for assigned seating for my family and that was not provided. I want that money back.
I’ve never traveled on Frontier before. If you want basic, no frills, friendly service at great prices then give them a fly!
I chose the seats when booked the flight and paid for them. However after checking in I found we were assigned different seats!
i was denied boarding, even though i had an assigned seat, checked in on line and was at airport early. Then they refused to fully refund the the fair and replacement fair because they claimed it was "no show/denied boarding". I will never fly this airline again
It was a no frills flight. Would have liked to be able to charge my device
Seats were extremely uncomfortable and it was very hot on the plane.
Since they are a budget airline, I wasn’t expecting too much but they did some things well. They were on time, the plane was clean, boarding was fairly straightforward and the staff was cheerful and friendly. The only downside was comfort. The seats were fairly hard and after a 2 hour flight your rear end is not feeling so great. Maybe a little more cushion in the seats, Frontier!
Check in at Philadelphia international was absolutely terrible! I fly 2 to 3 times a month and avoid frontier at all cost and will never fly Frontier again! The night before travel, I tried checking in however, the app was giving me an error, so I went to the desktop, which instructed you that you need to use the app. The next day I presented at the check-in gate after trying at least a half dozen times prior to getting into the airport and continuing to getting the error in the app. I actually had rebooted my phone numerous times and reinstall the app just in case. My phone is only one generation older than the current model. It has no problems completing a frontier flight purchase or any other app issues. There was only three frontier employees working at check-in and a huge line while I was in line I continued to try and check in via the app. As I approach the desk, I was dreading dealing with the agent. He was extremely unprofessional, anti-semantic & very ignorant, and mean to the people in front of me, as well as the people who ended up being behind me. He literally told people “Man I don’t care bout y’all” in his native dialect! Maintaining my composure I approached and explained the situation. To which he replied, you’re gonna have to pay then! I don’t understand. It’s an issue with their app not allowing me to check in! Not my issue! He told me if I pay cash it would be $15, $25 if I pay credit card. I don’t understand a $10 difference for paying with a credit card? I am completely cashless so I continued to try using the app to avoid the $25 fee, Which I still don’t believe that I should be responsible for since it was Frontier’s technical issue!!! I continued to check in via the app a couple more times after he verified I was doing everything right he proceeded to continue to belittle the people behind me. Yelling at them saying I don’t care about you people! I cannot believe that this is the way that businesses would treat its customers! Unfortunately, the black mail with dreadlocks did not have a name tag all he had was a frontier sweater on! For the $25 fee that I ended up getting charged on my credit card. I should’ve just booked originally with Spirit or any other carrier! I have no problem paying fees that I should be responsible for, but when it’s due to a technical failure of a company, the customer should not be responsible for it! I cannot believe that it’s not frontier going out of business!
they delayed my flight which ended up, causing my layover flight to leave without me, resulting in me missing a flight and having to stay overnight in Houston international. I got no compensation other than a flight to my original location only a day later. i’ve never experienced such a unprofessional situation
I was surprised that all baggage, including carry on, were charged. Each additional bag went up in cost. Really disappointed in the additional costs.
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