Cheap flights from Miami to Seattle from $49
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Miami to Seattle departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Miami to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Miami and Seattle?
What is the cheapest month to fly to Seattle?
In general, January is the cheapest month to fly from Miami to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $303. If you don’t want to visit Seattle in January, then you should wait until May to fly from Miami, when ticket prices are also cheap, with an average price of $307.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Miami is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $362. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Miami because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $528.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Miami at noon is the least expensive time of day to depart. momondo users have found prices as low as $338 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $511. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Miami to Seattle/Tacoma Intl flight route?
Fly from Miami to Seattle/Tacoma Intl for the best Miami - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Miami for as low as $273 on momondo.
What cabin class options are available on Miami to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Miami to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Miami to Seattle flights?
No. A direct flight is the cheapest option for a flight between Miami to Seattle.
How have Miami to Seattle flight prices changed over time?
As of June 2025, prices for Miami to Seattle flights are approximately 15% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Miami to Seattle/Tacoma Intl?
Frontier, American Airlines, and Southwest are the most popular carriers operating from Miami to Seattle/Tacoma Intl
What airlines fly to Seattle?
Delta, Alaska Airlines and American Airlines are the top three most popular airlines that fly to Seattle from Miami according to our data. Delta is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Miami to Seattle on average per day?
7 flights are operational daily from Miami to Seattle as of June 2025. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.
How many flights depart from Miami to Seattle on average per week?
The number of flights available between Miami and Seattle is 52 per week as of June 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
When to book flights from Miami to Seattle
Cheap Miami to Seattle (MIA to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Miami to Seattle
How far is Miami to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 2729.6 mi away from Miami. By plane, this route typically takes 6h 38m.
When did momondo last update prices for flights from Miami Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Miami Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Miami Airport to Seattle/Tacoma Intl Airport?
There are 7 operators available for flights from Miami Airport to Seattle/Tacoma Intl Airport as of June 2025.
How old do you have to be to fly from Miami Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Miami Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Miami to Seattle?
Based on momondo bookings for flights between Miami and Seattle, the leading plane model is Airbus A321neo, making up 44.04% of the total bookings. Other popular models include Boeing 737 MAX 9 with 35.14%, Boeing 737-900 Passenger/BBJ3 (winglets) with 9.49%, and Boeing 737 with 5.07%.
What is the most popular airline from Miami to Seattle?
momondo data reveals that the most frequently booked airline on the route from Miami to Seattle is Delta, representing 32% of all bookings. The subsequent popular airlines are American Airlines at 32%, Alaska Airlines at 22%, and Frontier at 7%.
Best airlines flying from Miami to Seattle
Compare and see reviews for airlines that fly from Miami to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $108 | Free Cancellation | Rating 5.9 3,293 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 7.8 2,533 reviews | |||
| PriceFrom $144 | Free Cancellation | Rating 6.3 8,096 reviews | |||
| PriceFrom $195 | Free Cancellation | Rating 8.0 7,969 reviews | |||
| PriceFrom $245 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 7.4 8,852 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 7.2 10,000 reviews |
Delta Flights From Miami to Seattle
Delta flies from Miami to Seattle around 7 times per week, with 7,973 momondo users rating the airline 8.0/10. The cheapest Delta deal from Miami to Seattle in the last 72 hours was $195 (round-trip), much lower than the average airfare cost of $340 for Delta flights on this route.
Alaska Airlines Flights From Miami to Seattle
The best Alaska Airlines deal for Miami to Seattle flight tickets found on momondo in the last 72 hours was $245, round-trip. It should be noted that an average Alaska Airlines flight deal for this route in this time was higher, at $377 round-trip. Alaska Airlines operates 2 flights out of Miami into Seattle in an average week, so prices vary by time and availability. 10,000 Alaska Airlines reviews by users on momondo have scored the airline at 8.0/10.
Traveling to a place near Seattle?
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Why should I use momondo to find a flight deal from Miami to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Miami to Seattle for you.
Can I find flights from Miami to Seattle with flexible booking policies on momondo?
All flight searches from Miami to Seattle on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Miami to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from Miami. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Miami to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Miami to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.