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

The cheapest airlines for a one-way flight from Mesa to Seattle are Frontier ($29), Southwest ($58), and Alaska Airlines ($58).

Weekly flight availability from Mesa to Seattle

The most flights from MS9 to SEA are scheduled on a Monday (48 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 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 Mesa to Seattle?

While on average a flight from Mesa to Seattle is generally $1,726, our data shows the cheapest flight currently is $99. When looking at the most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), you can expect to pay $188 for that flight.

What are the most reliable airlines from Mesa to Seattle?

No one likes to see their flight delayed. When booking a flight from Mesa to Seattle consider choosing Korean Air (97%), KLM (91%) or American Airlines (91%) as they are the most reliable in getting you off to your destination on time.

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

Before booking your flight from Mesa 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 Mesa?

For a flight from Mesa to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 22 inbound flights from Mesa per day. 7 airlines have flights to Seattle/Tacoma Intl from Mesa on a regular basis.

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

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

How can I find direct flights from Mesa to Seattle?

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

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

Yes. Cheapflights offers flight deals from Mesa 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.

Find Cheap Flights from Mesa to Seattle

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Mesa to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Mesa to Seattle/Tacoma Intl are usually found in January or February, booked 62 days in advance, depart on a Friday or Thursday and return on a Saturday

Find flight deals from Mesa to Seattle

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Popular in	July
Cheapest in	January
Average price	$267

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

Search Deals

Provider most trusted by Cheapflights users for Phoenix-Seattle/Tacoma Intl flights.

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($50 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Insights

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

Prices

Airlines

What is the cheapest time of day to fly from MS9 to SEA?

It’s optimal to fly from Mesa to Seattle in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Mesa to Seattle?

Travelers seeking maximum savings on their Mesa to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Mesa to Seattle, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Southwest

8.0

Very good

4,196 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Alaska Airlines

7.9

Good

12,956 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Delta

7.8

Good

8,594 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

American Airlines

7.0

Good

12,075 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Frontier

5.6

Fair

2,579 reviews

Southwest

8.0

Very good

4,196 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Related info for your journey

What airport do you fly into for flights to Seattle from Mesa?
For a flight from Mesa to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 22 inbound flights from Mesa per day. 7 airlines have flights to Seattle/Tacoma Intl from Mesa on a regular basis.
What are the cheapest airlines to fly from Mesa to Seattle one-way?
The cheapest airlines for a one-way flight from Mesa to Seattle are Frontier ($29), Southwest ($58), and Alaska Airlines ($58).
What are the most reliable airlines from Mesa to Seattle?
No one likes to see their flight delayed. When booking a flight from Mesa to Seattle consider choosing Korean Air (97%), KLM (91%) or American Airlines (91%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Mesa to Seattle?
While on average a flight from Mesa to Seattle is generally $1,726, our data shows the cheapest flight currently is $99. When looking at the most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), you can expect to pay $188 for that flight.
Can I find deals for flights from Mesa to Seattle that include hotel bookings?
Yes. In addition to deals on Mesa to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Mesa to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mesa to Seattle.
Can I find deals for business class flights from Mesa to Seattle?
Yes. Cheapflights offers flight deals from Mesa 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.

See more FAQs

SeaTac

Renton

Tacoma

Lacey

Leavenworth

Olympia

Tukwila

Snoqualmie

Puyallup

Lynnwood

Centralia

Kent

Tumwater

Ellensburg

Issaquah

Marysville

Ocean Shores

Lakewood

Fife

Poulsbo

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Seattle flight routes

Top destinations

Alternative routes for Mesa to Seattle

Top 7 airlines flying from Mesa to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$54	Average$169	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$100	Average$255	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$107	Average$275	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$117	Average$271	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$123	Average$291	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$177	Average$249	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$199	Average$250	FlexibilityNo cancel fee	On-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Mesa, AZ to Seattle (SEA)

Find cheap flights from Mesa 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 Mesa 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 MS9 to SEA?

It’s optimal to fly from Mesa to Seattle in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Mesa to Seattle?

Travelers seeking maximum savings on their Mesa to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Mesa to Seattle

The most flights from MS9 to SEA are scheduled on a Monday (48 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Mesa to Seattle, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's 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 Mesa?

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

What are the most reliable airlines from Mesa to Seattle?

What are the cheapest flights from Mesa to Seattle?

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

How can I find direct flights from Mesa to Seattle?

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

Traveling to a place near Seattle?

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 Mesa to Seattle

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

Complete your trip

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

Search flights from Mesa to Seattle by cabin class

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

Mesa and Seattle flights

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

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Seattle

Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.

Mesa to Seattle flights

Consider these flights traveling from Mesa to Seattle.

Top 7 airlines flying from Mesa to Seattle

100% Free

Book with Flexibility

Travel Smart