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$74+ Cheap flights from Gilbert, AZ to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Gilbert to Seattle/Tacoma Intl are usually found in January or February, booked 63 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Gilbert to Seattle

Keep the following information in mind while searching for Gilbert to Seattle flight deals. Data was last updated August 20, 2025.

Round-trip from

$103
(Frontier)

One-way from

$74
(CheapOair)

Popular in

March

Cheapest in

January

Average price

$178
From Gilbert to Seattle/Tacoma Intl
Search Deals
One-way flight from Gilbert to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Gilbert to Seattle

Cheapest flights from Gilbert to Seattle
Explore the most affordable flight options available from Gilbert to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:05 amPHX - SEA
Nonstop3h 15mFrontier
Mon 9/158:31 pmSEA - PHX
Nonstop3h 00mFrontier
Deal found 8/20$102
This Frontier deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amPHX - SEA
Nonstop3h 18mFrontier
Sun 11/28:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 8/20$103
This Cheapflightsfares deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:05 amPHX - SEA
Nonstop3h 15mFrontier
Thu 9/188:31 pmSEA - PHX
Nonstop3h 00mFrontier
Deal found 8/19$105
This Cheapflightsfares deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amPHX - SEA
Nonstop3h 18mFrontier
Mon 11/38:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 8/19$106
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:05 amPHX - SEA
Nonstop3h 15mFrontier
Thu 9/258:31 pmSEA - PHX
Nonstop3h 00mFrontier
Deal found 8/19$108
This FlightHub deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:15 pmPHX - SEA
Nonstop3h 16mFrontier
Thu 9/118:31 pmSEA - PHX
Nonstop3h 00mFrontier
Deal found 8/18$109
This Cheapflightsfares deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:15 pmPHX - SEA
Nonstop3h 18mFrontier
Fri 9/128:31 pmSEA - PHX
Nonstop3h 00mFrontier
Deal found 8/20$111
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:15 pmPHX - SEA
Nonstop3h 18mFrontier
Mon 9/158:31 pmSEA - PHX
Nonstop3h 00mFrontier
Deal found 8/19$113
This Cheapflightsfares deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:05 amPHX - SEA
Nonstop3h 15mFrontier
Mon 9/298:31 pmSEA - PHX
Nonstop3h 00mFrontier
Deal found 8/19$114
This CheapOair deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:15 pmPHX - SEA
Nonstop3h 18mFrontier
Sun 9/74:36 pmSEA - PHX
1 stop21h 26mFrontier
Deal found 8/18$115
This Frontier deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:05 amPHX - SEA
Nonstop3h 15mFrontier
Fri 10/1010:00 pmSEA - PHX
Nonstop2h 59mFrontier
Deal found 8/17$116
This CheapOair deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:00 amPHX - SEA
1 stop8h 44mFrontier
Fri 10/319:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 8/20$117

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gilbert to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Gilbert to Seattle that are best for you.

Fly from

Gilbert

Fly to

Seattle

Route

Depart

Return

Price

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 10/31

6:00 am-9:18 am

Nonstop3h 18m

Seattle/Tacoma Intl

Sun 11/2

8:22 pm-12:24 am

Nonstop3h 02m

$103

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 9/18

6:05 am-9:20 am

Nonstop3h 15m

Seattle/Tacoma Intl

Mon 9/22

8:31 pm-11:31 pm

Nonstop3h 00m

$105

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 10/30

6:00 am-9:18 am

Nonstop3h 18m

Seattle/Tacoma Intl

Mon 11/3

8:22 pm-12:24 am

Nonstop3h 02m

$106

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 9/18

6:05 am-9:20 am

Nonstop3h 15m

Seattle/Tacoma Intl

Thu 9/25

8:31 pm-11:31 pm

Nonstop3h 00m

$108

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Mon 9/8

2:15 pm-5:33 pm

Nonstop3h 18m

Seattle/Tacoma Intl

Fri 9/12

8:31 pm-11:31 pm

Nonstop3h 00m

$111

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 9/11

2:15 pm-5:33 pm

Nonstop3h 18m

Seattle/Tacoma Intl

Fri 9/12

8:31 pm-11:31 pm

Nonstop3h 00m

$111

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 9/12

2:15 pm-5:33 pm

Nonstop3h 18m

Seattle/Tacoma Intl

Mon 9/15

8:31 pm-11:31 pm

Nonstop3h 00m

$113

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 9/25

6:05 am-9:20 am

Nonstop3h 15m

Seattle/Tacoma Intl

Mon 9/29

8:31 pm-11:31 pm

Nonstop3h 00m

$114

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sun 10/5

6:05 am-9:20 am

Nonstop3h 15m

Seattle/Tacoma Intl

Sun 10/12

9:58 pm-12:57 am

Nonstop2h 59m

$114

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Mon 10/6

6:05 am-9:20 am

Nonstop3h 15m

Seattle/Tacoma Intl

Fri 10/10

10:00 pm-12:59 am

Nonstop2h 59m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 21 results
1
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Best time to book a flight from Gilbert to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Gilbert with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How far ahead should I book a flight from Gilbert to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Gilbert to Seattle. Price data was last updated on August 8, 2025.

The price you pay for your flight from Gilbert to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Gilbert to Seattle?

Currently, January is the cheapest month in which you can book a flight from Gilbert to Seattle (average of $238). Flying from Gilbert to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Gilbert to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Gilbert to Seattle as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Gilbert to Seattle. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Gilbert to Seattle

Explore weekly flight availability from Gilbert to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 20, 2025.

The most flights from G1L to SEA are scheduled on a Wednesday (58 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated August 20, 2025.
Read through reviews of airlines operating flights from Gilbert to Seattle, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,668 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,207 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Gilbert to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 29 inbound flights from Gilbert per day. 7 airlines have flights to Seattle/Tacoma Intl from Gilbert on a regular basis.

  • How long is the flight from Gilbert to Seattle?

    Frontier can get you from Gilbert to Seattle in just under 3h 18m. Your travel time will be generally consistent. The distance between Gilbert and Seattle is about 1107 mi. All flights are typically nonstop.

  • 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: WestJet (94%), Condor (92%), Finnair( 90%).

  • What are the cheapest flights from Gilbert to Seattle?

    Looking at all options, your cheapest flight can be booked for $57. While the most popular route (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl) can be booked for $121 on average our data indicates $831 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.

  • What is the cheapest month to book a flight from Gilbert to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Gilbert to Seattle (average of $238). Flying from Gilbert to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Lacey
Ocean Shores
Lynnwood
Leavenworth
Renton
Olympia
Kent
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gilbert to Seattle

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Top 7 airlines flying from Gilbert to Seattle

Discover the top 7 airlines that operate flights from Gilbert to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$156FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$85Average$275FlexibilityNo cancel feeOn-time85%
DeltaCheapest$97Average$234FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$97Average$263FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$110Average$270FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$143Average$302FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$197Average$473FlexibilityNo cancel feeOn-time69%

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