MIA - SEA

$187 Find Cheap Flights from Miami to Seattle - Compare and Save

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Everything you should know

Cheapest round-trip
$321
Typical prices: $341-$547
Frontier
Sun 9/30Sat 10/6
MIA - SEA • 1 stop
Cheapest non-stop
$322
Typical prices: $343-$549
American Airlines
Wed 10/3Wed 10/10
MIA - SEA • Non-stop
Nonstop flights
You can fly direct with Alaska Airlines, Delta and American Airlines. Average duration is 6h 44m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 83% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 42% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $256 (round-trip)
Shortest trip • 7h 44m (one-way)
Insights
Insights
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We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Miami to Seattle (MIA-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Miami to Seattle

Sat, Oct 3 - Tue, Oct 6
Frontier Logo
5:55 am - 3:08 pmMIA  Miami-SEA Seattle/Tacoma Intl
12h 13m1 stop Denver Intl
Frontier Logo
8:15 pm - 12:46 amSEA  Seattle/Tacoma Intl-MIA Miami
25h 31m2 stops Los Angeles Denver Intl
$321Frontier
Wed, Sep 30 - Tue, Oct 6
Frontier Logo
5:50 am - 3:08 pmMIA  Miami-SEA Seattle/Tacoma Intl
12h 18m1 stop Denver Intl
Frontier Logo
4:27 pm - 12:46 amSEA  Seattle/Tacoma Intl-MIA Miami
29h 19m1 stop Denver Intl
$321Frontier
Wed, Oct 21 - Sat, Oct 24
American Airlines Logo
8:15 pm - 11:59 pmMIA  Miami-SEA Seattle/Tacoma Intl
6h 44mnonstop
American Airlines Logo
8:39 pm - 5:22 amSEA  Seattle/Tacoma Intl-MIA Miami
5h 43mnonstop
$322American Airlines
Thu, Nov 12 - Sat, Nov 14
American Airlines Logo
8:14 pm - 11:59 pmMIA  Miami-SEA Seattle/Tacoma Intl
6h 45mnonstop
American Airlines Logo
9:14 pm - 6:00 amSEA  Seattle/Tacoma Intl-MIA Miami
5h 46mnonstop
$322American Airlines
Mon, Oct 5 - Mon, Oct 12
Delta Logo
6:19 pm - 9:55 pmMIA  Miami-SEA Seattle/Tacoma Intl
6h 36mnonstop
Delta Logo
8:05 am - 5:03 pmSEA  Seattle/Tacoma Intl-MIA Miami
5h 58mnonstop
$322Delta
Sat, Oct 17 - Thu, Oct 22
Delta Logo
6:15 pm - 10:00 pmMIA  Miami-SEA Seattle/Tacoma Intl
6h 45mnonstop
Delta Logo
8:05 am - 5:03 pmSEA  Seattle/Tacoma Intl-MIA Miami
5h 58mnonstop
$322Delta
Thu, Oct 29 - Sun, Nov 1
Southwest Logo
12:30 pm - 12:40 amMIA  Miami-SEA Seattle/Tacoma Intl
15h 10m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
12:15 am - 4:25 pmSEA  Seattle/Tacoma Intl-MIA Miami
13h 10m2 stops Chicago Midway Baltimore/Washington
$322Southwest
Sat, Oct 31 - Sun, Nov 1
Southwest Logo
7:15 am - 6:30 pmMIA  Miami-SEA Seattle/Tacoma Intl
14h 15m2 stops Nashville Intl Denver Intl
Southwest Logo
12:15 am - 4:25 pmSEA  Seattle/Tacoma Intl-MIA Miami
13h 10m2 stops Chicago Midway Baltimore/Washington
$322Southwest
Wed, Oct 28 - Fri, Oct 30
Multiple Airlines Logo
6:18 pm - 9:59 pmMIA  Miami-SEA Seattle/Tacoma Intl
6h 41mnonstop
Multiple Airlines Logo
4:27 pm - 12:44 amSEA  Seattle/Tacoma Intl-MIA Miami
29h 17m1 stop Denver Intl
$324Multiple Airlines
Fri, Oct 16 - Sun, Oct 25
Multiple Airlines Logo
6:18 pm - 9:59 pmMIA  Miami-SEA Seattle/Tacoma Intl
6h 41mnonstop
Multiple Airlines Logo
4:27 pm - 12:47 amSEA  Seattle/Tacoma Intl-MIA Miami
29h 20m1 stop Denver Intl
$325Multiple Airlines
Booking Insights

Price, demand and travel trends for Miami to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Miami to Seattle with more confidence.

How much is a round-trip flight from Miami to Seattle?

Round-trip flights from Miami to Seattle start at $321. Prices are below average for this route right now, with typical round-trip fares ranging from $341 to $547. The lowest price found in the past 5 days was $321 on Frontier.

What's the cheapest day of the week to fly from Miami to Seattle?

Wednesday is the cheapest day of the week to fly from Miami to Seattle, it is 5% cheaper than the average day. Sunday is the most expensive day with flight prices 15% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Miami to Seattle?

  • January is the cheapest month to fly from Miami to Seattle at $339 round-trip.
  • June ($507) and July ($473) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 49% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Miami to Seattle the cheapest?

Flights from Miami to Seattle are cheapest 4 weeks before departure. Booking in this window typically costs about 42% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Miami to Seattle

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines, Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta and MIA

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Miami to Seattle flights

Low season

February

Cheapest flight

$187
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Miami to Seattle

When to book flights from Miami to Seattle

Are your dates flexible? Find out the best times to travel from Miami to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Miami to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Can I take a train Miami International Airport (MIA)?

    Metrorail, Tri-Rail and Brightline trains all stop at the Miami International Airport’s Central Station, which is just a short ride away from the terminals on the free MIA Mover shuttle train. Take Metrorail’s Orange Line from downtown Miami or the Green Line from Palmetto. The Tri-Rail commuter train connects Ft Lauderdale, Miami and West Palm Beach to the airport. Brightline’s high-speed regional trains connect West Palm Beach to the airport.

  • What VIP lounges are located in Miami International Airport (MIA)?

    Several airlines have VIP lounges in Miami International Airport, including American Airlines and Delta. In the South Terminal, you’ll find the Delta Airlines Sky Club (Concourse H) and the VIP Lounge (Concourse J) for oneworld alliance members. Central Terminal Concourse E features the Admirals Club for American Airlines and oneworld members and the Military Hospitality Lounge for US service members and their dependents. North Terminal Concourse D hosts two American Airlines’ Admirals Club and the American Airlines Flagship Lounge, plus the American Express Centurion Club.

  • What public transit is available from the Seattle-Tacoma Airport (SEA) to downtown Seattle?

    The Link, Seattle’s light rail, travels from Seattle-Tacoma Airport (SEA) to the Northgate station in downtown Seattle. You’ll find the Link station adjacent to the terminal parking garage on Floor 4. King County Metro and Sound Transit both offer bus service from the airport to downtown Seattle. You can pick up the Metro’s # 156, 161, A-line express buses at the bus station next to the light rail station, while the Sound Express lines 560 and 574 depart from the stop at the terminal’s south end by Baggage Claim.

  • Where is the car rental center at the Seattle Airport (SEA)?

    If you’ll be renting a car at Seattle-Tacoma Airport (SEA), you’ll need to take airport’s shuttle bus to the car rental counters, which are located just outside the airport facility. You can pick up the shuttle bus at the north end of the terminal near the Alaska Airlines counters or at the south end of the terminal near the international ticket counters. The shuttle is free, and the ride to the car rental center only takes about 5min.

  • Which airlines offer extra legroom and free seat selection on Miami to Seattle flights?

    Among airlines operating Miami to Seattle flights:

    • American Airlines: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection
    • Alaska Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Miami to Seattle?

    3 airlines operate flights between Miami and Seattle. The airlines offering nonstop flights on this route include:

    • Alaska Airlines
    • Delta
    • American Airlines

  • Which airports can I use when flying from Miami to Seattle?

    Flights from Miami to Seattle usually depart from Miami (MIA) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airlines include bags at no extra cost on Miami to Seattle flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag and a checked bag in Economy Class
    • Alaska Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Miami to Seattle?

    Three cabin classes are available on flights from Miami to Seattle:

    • Economy Class
    • Business Class
    • First Class

  • How much can I save by taking a layover when flying from Miami to Seattle?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $256 round-trip via San Francisco (SFO), compared to $427 for nonstop.

  • What is the standard checked-bag allowance on flights from Miami to Seattle?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Miami to Seattle?

    The Airbus A321neo family is used most often on this route, operated mainly by Delta and American Airlines. Other aircraft seen on the route include Airbus A321-100/200 variants.

  • Which airports do connecting flights from Miami to Seattle pass through?

    One-stop flights from Miami to Seattle most commonly connect through:

    • Denver Intl (DEN) - 60% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 18% of one-stop connections
    • Dallas/Fort Worth (DFW) - 6% of one-stop connections
    • Chicago Midway (MDW) - 4% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Miami to Seattle?

    Yes. Being flexible with your travel dates can save you up to 18% on the Miami to Seattle route. Wednesday is the cheapest departure day at $402 round-trip on average, while Sunday is the most expensive at $488, a difference of $86. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Miami to Seattle?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Miami to Seattle route, 20% of flights were delayed in the past 3 months, with delays averaging 2 hours 47 minutes.

  • How are flight departures from Miami to Seattle spread across the day?

    Evening is the busiest departure period on Miami to Seattle flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

  • What are the earliest and latest flights from Miami to Seattle?

    These are the earliest and latest flight times available from Miami to Seattle:

    • Earliest: departs at 7:30 am and lands at 2:14 pm
    • Latest: departs at 8:45 pm and lands at 3:29 am.

    The flight takes about 6h 44m.

  • How expensive are last-minute Miami to Seattle flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 49% above the route average of $423. Book 4 weeks before departure for the lowest fares.

  • How long is a flight from Miami to Seattle?

    A nonstop flight from Miami to Seattle takes 6h 44m, covering 2,719 miles.

  • Do I need a passport to fly from Miami to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Miami to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $321 to $1,422. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Miami to Seattle looking right now?

    One-way fares from Miami to Seattle are currently lower than usual. Average one-way flight prices are about $191, which is 34% below the typical average for this route.

  • How does Alaska Airlines’s on-time performance compare to other airlines on Miami to Seattle flights?

    Alaska Airlines is slightly above the route average for timely arrivals, while American Airlines has a lower on-time arrival rate. On-time arrival rates on Miami to Seattle flights are:

    • Alaska Airlines: 83% on time
    • American Airlines: 82% on time
    • Delta: 75% on time

    Overall, flights on this route are on time 80% of the time on average.

  • How do delay rates compare for morning and evening flights from Miami to Seattle?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Miami to Seattle?

    Flying via Austin Bergstrom (AUS) gives the shortest average 1-stop total travel time at 7h 44m, compared with 8h 15m via Atlanta Hartsfield-Jackson (ATL) and 8h 20m via Portland (PDX).

  • What is the time difference between Miami and Seattle?

    Seattle is 3 hours behind Miami (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Fox
    · Europcar
    · Thrifty
    · Budget
    · Dollar

  • How much should I expect to pay for a Miami to Seattle flight?

    Round-trip flights from Miami to Seattle range from $341 to $547, with an average of $423 over the past 12 months. Anything below $341 counts as a good deal.

  • Which airlines offer Wi-Fi on Miami to Seattle flights?

    Four airlines offer in-flight Wi-Fi on Miami to Seattle flights:

    • • American Airlines
    • • Delta
    • • Alaska Airlines
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Miami to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $402 - about $86 less than Sunday (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 4 weeks before you fly. On this route, that window historically saves about 42% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Miami to Seattle trip for January. Fares historically average $339 round-trip in that month - typically $168 less than the most expensive month, which is June (based on the last 12 months).
  • If arriving on time is high on your priority list, Alaska Airlines is the strongest pick on this route. 83% of Alaska Airlines flights from Miami to Seattle arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 80%. When flights on this route do arrive late, the average delay is 2 hours 47 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through San Francisco Airport (SFO) can be cheaper than flying direct. The cheapest layover option averages $256 round-trip on this route - about $170 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
  • Miami International Airport (MIA) is a hub for American Airlines and is a focus city for Frontier and Spirit Airlines. Seattle-Tacoma International Airport (SEA) is a hub for Delta and Alaska Airlines.
  • Several bus lines stop at the Miami Airport (MIA) Central Station, including the City of Miami’s Metrobus and Trolley and the Miami Beach Bus. Once at the station, you catch a free ride to the terminals on the MIA Mover.
  • If you have an early flight out of Miami Airport (MIA), consider staying at the Miami International Airport Hotel. The hotel is inside the airport in Level 2 of Concourse E, so you can wake up and head right to your gate without fighting the morning traffic.
  • At the Seattle-Tacoma Airport (SEA), members of the US military and their families can relax after their flight at the USO lounge. The USO can be found pre-security in the terminal’s Mezzanine level, above the Southwest ticketing counters.
  • The rideshare apps that are authorized to pick up passengers at the Seattle Airport (SEA) are Lyft, Uber and Wingz. The rideshare pickup area is on Floor 3 of the parking garage, and select Uber premium drivers may pick up passengers outside the main terminal, near Baggage Claim.

Prefer to fly direct from Miami to Seattle?

 
Find which airlines fly direct from Miami Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Miami to Seattle/Tacoma Intl

Monday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Tuesday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Wednesday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Thursday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Friday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Saturday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Sunday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

See more direct flights

Direct returns

Seattle/Tacoma Intl to Miami

Monday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Tuesday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Wednesday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Thursday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Friday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Saturday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

Sunday

Alaska Airlines,American Airlines,Delta

Alaska Airlines,American Airlines, +1 more

See more direct flights

More options for your flight from Miami to Seattle

Complete your trip to Seattle with a hotel stay or car rental