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

The cheapest airlines for a one-way flight from Clearwater to Seattle are Sun Country Air ($102), Frontier ($107), and Delta ($119).

Weekly flight availability from Clearwater to Seattle

The most flights from CL9 to SEA are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Clearwater to Seattle?

On average you can expect to pay $1,153 for a flight from Clearwater to Seattle. The cheapest flight overall is $153 while the most popular route, (Tampa - Seattle/Tacoma Intl) is currently priced at $326.

What are the most reliable airlines from Clearwater to Seattle?

No one likes to see their flight delayed. When booking a flight from Clearwater to Seattle consider choosing Japan Airlines (93%), Korean Air (89%) or Finnair (88%) as they are the most reliable in getting you off to your destination on time.

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

Before booking your flight from Clearwater to Seattle check out the most popular airlines for this route: Alaska Airlines, Delta or Frontier.

What airport do you fly into for flights to Seattle from Clearwater?

If you book a flight to Seattle from Clearwater, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 2 flights from Clearwater to Seattle/Tacoma Intl per day from 7 different airlines.

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

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

How can I find direct flights from Clearwater to Seattle?

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

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

Yes. Cheapflights offers flight deals from Clearwater to Seattle 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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Cheapflights Tip: The best prices from Clearwater to Seattle/Tacoma Intl are usually found in February or January, booked 20 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Find flight deals from Clearwater to Seattle

Most accurate provider	FlightHub 3 stars
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Popular in	June
Cheapest in	February
Average price	$476

Provider with most accurate pricing for Tampa-Seattle/Tacoma Intl flight deals.

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Highest demand for flights based on searches. 20% potential increase in price ($107 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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

Prices

Airlines

What is the cheapest time of day to fly from CL9 to SEA?

When flying from Clearwater to Seattle, 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 Seattle

Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Clearwater to Seattle by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,199 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Southwest

8.0

Very good

4,199 reviews

Southwest

8.0

Very good

4,199 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Alaska Airlines

7.9

Good

12,964 reviews

Southwest

8.0

Very good

4,199 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Delta

7.8

Good

8,593 reviews

Southwest

8.0

Very good

4,199 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

United Airlines

7.4

Good

10,233 reviews

Southwest

8.0

Very good

4,199 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Frontier

5.6

Fair

2,578 reviews

Southwest

8.0

Very good

4,199 reviews

Reviews

1 / 20

6.0

Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Related info for your journey

What airport do you fly into for flights to Seattle from Clearwater?
If you book a flight to Seattle from Clearwater, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 2 flights from Clearwater to Seattle/Tacoma Intl per day from 7 different airlines.
What are the cheapest airlines to fly from Clearwater to Seattle one-way?
The cheapest airlines for a one-way flight from Clearwater to Seattle are Sun Country Air ($102), Frontier ($107), and Delta ($119).
What are the most reliable airlines from Clearwater to Seattle?
No one likes to see their flight delayed. When booking a flight from Clearwater to Seattle consider choosing Japan Airlines (93%), Korean Air (89%) or Finnair (88%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Clearwater to Seattle?
On average you can expect to pay $1,153 for a flight from Clearwater to Seattle. The cheapest flight overall is $153 while the most popular route, (Tampa - Seattle/Tacoma Intl) is currently priced at $326.
Can I find deals for flights from Clearwater to Seattle that include hotel bookings?
Yes. In addition to deals on Clearwater to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Clearwater to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Clearwater to Seattle.
Can I find deals for business class flights from Clearwater to Seattle?
Yes. Cheapflights offers flight deals from Clearwater to Seattle 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 7 airlines flying from Clearwater to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Sun Country Air	Cheapest$157	Average$385	FlexibilityNo cancel fee	On-time83%
Frontier	Cheapest$166	Average$317	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$198	Average$485	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$221	Average$486	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$239	Average$448	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$256	Average$542	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$317	Average$491	FlexibilityNo cancel fee	On-time63%

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Cheap flights from Clearwater, FL to Seattle (SEA)

Find cheap flights from Clearwater to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Clearwater to Seattle

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from CL9 to SEA?

When flying from Clearwater to Seattle, 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 Clearwater to Seattle

The most flights from CL9 to SEA are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Seattle

Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Clearwater to Seattle by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Seattle from Clearwater?

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

What are the most reliable airlines from Clearwater to Seattle?

What are the cheapest flights from Clearwater to Seattle?

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

How can I find direct flights from Clearwater to Seattle?

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

Traveling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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

Search flights from Clearwater to Seattle by cabin class

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

Clearwater and Seattle flights

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Top 7 airlines flying from Clearwater to Seattle

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