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

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

Weekly flight availability from Gilbert to Seattle

The most flights from G1L to SEA are scheduled on a Monday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 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 Gilbert to Seattle?

Looking at all options, your cheapest flight can be booked for $103. While the most popular route (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl) can be booked for $108 on average, our data indicates $834 when flying from Gilbert to Seattle.

What are the most reliable airlines from Gilbert to Seattle?

Before booking your flight to Seattle from Gilbert, check out the most reliable airlines to get you to your destination on time: Atlas Air (100%), Korean Air (94%), WestJet( 93%).

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

When booking a flight from Gilbert to Seattle, you may want to consider flying on Alaska Airlines, Delta or Frontier as they are the most popular for this route.

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

For a flight from Gilbert 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 26 inbound flights from Gilbert per day. 7 airlines have flights to Seattle/Tacoma Intl from Gilbert on a regular basis.

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

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

How can I find direct flights from Gilbert to Seattle?

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

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

Yes. Cheapflights offers flight deals from Gilbert 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 Gilbert to Seattle

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Cheapflights Tip: The best prices from Gilbert to Seattle/Tacoma Intl are usually found in January or February, booked 43 days in advance, depart on a Friday or Thursday and return on a Saturday

Find flight deals from Gilbert to Seattle

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Popular in	July
Cheapest in	January
Average price	$270

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. 15% potential increase in price ($43 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 Gilbert to Seattle

Prices

Airlines

What is the cheapest time of day to fly from G1L to SEA?

It’s optimal to fly from Gilbert to Seattle in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the morning.

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

Travelers seeking maximum savings on their Gilbert 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 Gilbert 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

13,101 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

13,101 reviews

Alaska Airlines

7.9

Good

13,101 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

4,207 reviews

Alaska Airlines

7.9

Good

13,101 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

8,654 reviews

Alaska Airlines

7.9

Good

13,101 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

12,179 reviews

Alaska Airlines

7.9

Good

13,101 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

2,520 reviews

Alaska Airlines

7.9

Good

13,101 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 Gilbert?
For a flight from Gilbert 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 26 inbound flights from Gilbert per day. 7 airlines have flights to Seattle/Tacoma Intl from Gilbert on a regular basis.
What are the cheapest airlines to fly from Gilbert to Seattle one-way?
The cheapest airlines for a one-way flight from Gilbert to Seattle are Frontier ($29), Southwest ($58), and Alaska Airlines ($58).
What are the most reliable airlines from Gilbert to Seattle?
Before booking your flight to Seattle from Gilbert, check out the most reliable airlines to get you to your destination on time: Atlas Air (100%), Korean Air (94%), WestJet( 93%).
What are the cheapest flights from Gilbert to Seattle?
Looking at all options, your cheapest flight can be booked for $103. While the most popular route (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl) can be booked for $108 on average, our data indicates $834 when flying from Gilbert to Seattle.
Can I find deals for flights from Gilbert to Seattle that include hotel bookings?
Yes. In addition to deals on Gilbert to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Gilbert to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gilbert to Seattle.
Can I find deals for business class flights from Gilbert to Seattle?
Yes. Cheapflights offers flight deals from Gilbert 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 Gilbert to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$48	Average$172	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$99	Average$276	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$107	Average$320	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$117	Average$310	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$128	Average$354	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$180	Average$255	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$199	Average$291	FlexibilityNo cancel fee	On-time85%

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Cheap flights from Gilbert, AZ to Seattle (SEA)

Find cheap flights from Gilbert 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 Gilbert 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 G1L to SEA?

It’s optimal to fly from Gilbert to Seattle in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the morning.

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

Travelers seeking maximum savings on their Gilbert 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 Gilbert to Seattle

The most flights from G1L to SEA are scheduled on a Monday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Gilbert 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 Gilbert?

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

What are the most reliable airlines from Gilbert to Seattle?

What are the cheapest flights from Gilbert to Seattle?

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

How can I find direct flights from Gilbert to Seattle?

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

Traveling to a place near Seattle?

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Alternative routes for Gilbert to Seattle

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Complete your trip

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Search flights from Gilbert to Seattle by cabin class

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Gilbert and Seattle flights

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