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 Sunday (45 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 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 $647, our data shows the cheapest flight currently is $118. When looking at the most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), you can expect to pay $217 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 Atlas Air (100%), Korean Air (94%) or Envoy Air (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 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 23 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

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Cheapflights Tip: The best prices from Mesa to Seattle/Tacoma Intl are usually found in January or February, booked 79 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	$265

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

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

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Highest demand for flights based on searches. 16% potential increase in price ($47 potential increase over avg. RT price).

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

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Average for round-trip flights in October 2026

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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 22% 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 Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

7.9

Good

13,015 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Alaska Airlines

7.9

Good

13,015 reviews

Alaska Airlines

7.9

Good

13,015 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Southwest

7.9

Good

4,212 reviews

Alaska Airlines

7.9

Good

13,015 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Delta

7.8

Good

8,628 reviews

Alaska Airlines

7.9

Good

13,015 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

American Airlines

7.0

Good

12,125 reviews

Alaska Airlines

7.9

Good

13,015 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Frontier

5.5

Fair

2,552 reviews

Alaska Airlines

7.9

Good

13,015 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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 23 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 Atlas Air (100%), Korean Air (94%) or Envoy Air (88%) 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 $647, our data shows the cheapest flight currently is $118. When looking at the most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), you can expect to pay $217 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.

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Top 7 airlines flying from Mesa to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$50	Average$170	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$101	Average$259	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$107	Average$279	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$117	Average$278	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$126	Average$294	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$180	Average$237	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$199	Average$291	FlexibilityNo cancel fee	On-time85%

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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

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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 22% 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 Sunday (45 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Mesa to Seattle, such as Alaska Airlines,Southwest, 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?

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Mesa and Seattle flights

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