What are the cheapest airlines to fly from Seattle to Kissimmee one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $100. United Airlines flights start at $128 while deals on Southwest start at $150 one-way.

Weekly flight availability from Seattle to Kissimmee

The most flights from SEA to K1S are scheduled on a Monday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

In terms of precipitation, rainfall in Kissimmee ranges from 2.4 - 8.7 inches per month. June is typically the wettest month, when rainfall can reach 8.7 in. November is typically the driest time to visit Kissimmee when rainfall is around 2.4 in.

If weather is an important factor for your trip to Kissimmee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

What are the cheapest flights from Seattle to Kissimmee?

While on average a flight from Seattle to Kissimmee is generally $1,043, our data shows the cheapest flight currently is $203. When looking at the most popular route, (Seattle/Tacoma Intl - Orlando), you can expect to pay $332 for that flight.

What are the most reliable airlines from Seattle to Kissimmee?

Before booking your flight to Kissimmee from Seattle, check out the most reliable airlines to get you to your destination on time: Finnair (90%), STARLUX Airlines (80%), LATAM Airlines( 79%).

What are the most popular airlines that fly from Seattle to Kissimmee?

The most popular airlines flying from Seattle to Kissimmee are Alaska Airlines, Delta and Frontier. Something to consider prior to booking your flight.

What airport do you fly from for flights from Seattle to Kissimmee?

Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Kissimmee. On average, Seattle/Tacoma Intl has 6 outbound flights to Kissimmee per day from 8 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

Can I find deals for flights from Seattle to Kissimmee that include hotel bookings?

Yes. In addition to deals on Seattle to Kissimmee flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Kissimmee?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Kissimmee.

Can I find deals for business class flights from Seattle to Kissimmee?

Yes. Cheapflights offers flight deals from Seattle to Kissimmee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Seattle to Kissimmee

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Kissimmee are usually found in January or February, booked 36 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Find flight deals from Seattle to Kissimmee

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	August
Cheapest in	January
Average price	$548

Provider with most accurate pricing for Seattle/Tacoma Intl-Orlando (ORL) flight deals.

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Orlando (ORL) flights.

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Highest demand for flights based on searches. 6% potential increase in price ($37 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Cheapflights Insights

Everything you need to know about your flight from Seattle to Kissimmee

Prices

Airlines

What is the cheapest time of day to fly from SEA to K1S?

When flying from Seattle to Kissimmee, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Kissimmee

Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Seattle to Kissimmee by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Southwest

8.0

Very good

4,196 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Alaska Airlines

7.9

Good

12,956 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Delta

7.8

Good

8,591 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

United Airlines

7.4

Good

10,228 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Frontier

5.6

Fair

2,579 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

6.0

Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Related info for your journey

What airport do you fly from for flights from Seattle to Kissimmee?
Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Kissimmee. On average, Seattle/Tacoma Intl has 6 outbound flights to Kissimmee per day from 8 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.
What are the cheapest airlines to fly from Seattle to Kissimmee one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $100. United Airlines flights start at $128 while deals on Southwest start at $150 one-way.
What are the most reliable airlines from Seattle to Kissimmee?
Before booking your flight to Kissimmee from Seattle, check out the most reliable airlines to get you to your destination on time: Finnair (90%), STARLUX Airlines (80%), LATAM Airlines( 79%).
What are the cheapest flights from Seattle to Kissimmee?
While on average a flight from Seattle to Kissimmee is generally $1,043, our data shows the cheapest flight currently is $203. When looking at the most popular route, (Seattle/Tacoma Intl - Orlando), you can expect to pay $332 for that flight.
Can I find deals for flights from Seattle to Kissimmee that include hotel bookings?
Yes. In addition to deals on Seattle to Kissimmee flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Kissimmee?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Kissimmee.
Can I find deals for business class flights from Seattle to Kissimmee?
Yes. Cheapflights offers flight deals from Seattle to Kissimmee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 8 airlines flying from Seattle to Kissimmee

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$133	Average$319	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$188	Average$557	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$204	Average$538	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$218	Average$484	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$234	Average$377	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$250	Average$470	FlexibilityNo cancel fee	On-time63%
Hawaiian Airlines	Cheapest$338	Average$528	FlexibilityNo cancel fee	On-time85%
Sun Country Air	Cheapest$371	Average$396	FlexibilityNo cancel fee	On-time83%

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Cheap flights from Seattle (SEA) to Kissimmee, FL

Find cheap flights from Seattle to Kissimmee with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Seattle to Kissimmee

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from SEA to K1S?

When flying from Seattle to Kissimmee, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Seattle to Kissimmee

The most flights from SEA to K1S are scheduled on a Monday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Kissimmee

Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Seattle to Kissimmee by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Seattle to Kissimmee?

What are the cheapest airlines to fly from Seattle to Kissimmee one-way?

What are the most reliable airlines from Seattle to Kissimmee?

What are the cheapest flights from Seattle to Kissimmee?

Can I find deals for flights from Seattle to Kissimmee that include hotel bookings?

How can I find direct flights from Seattle to Kissimmee?

Can I find deals for business class flights from Seattle to Kissimmee?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Kissimmee

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Kissimmee by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Seattle to Kissimmee by cabin class

Find flights from Seattle to Kissimmee, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Seattle and Kissimmee flights

Browse other Seattle and Kissimmee flight options. Last updated on September 23, 2026.

Other flights from Seattle

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Top 8 airlines flying from Seattle to Kissimmee

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