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$64+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
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 89 days in advance, depart on a Friday or Thursday and return on a Wednesday

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 October 23, 2025.

This Frontier deal was found by Cheapflights users on 10/21. 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 11/37:25 amPHX - SEA
1 stop7h 51mFrontier
Mon 11/108:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 10/21$99
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:43 pmPHX - SEA
1 stop15h 39mFrontier
Fri 11/286:29 pmSEA - PHX
Nonstop3h 01mFrontier
Deal found 10/22$100
This Southwest deal was found by Cheapflights users on 10/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:10 amPHX - SEA
1 stop4h 45mSouthwest
Sat 11/156:00 amSEA - PHX
Nonstop2h 50mSouthwest
Deal found 10/21$102
This Frontier deal was found by Cheapflights users on 10/22. 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 11/76:00 amPHX - SEA
Nonstop3h 18mFrontier
Mon 11/178:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 10/22$103
This Frontier deal was found by Cheapflights users on 10/23. 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.
Sat 11/156:00 amPHX - SEA
Nonstop3h 18mFrontier
Sat 11/1512:58 pmSEA - PHX
1 stop6h 49mFrontier
Deal found 10/23$104
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:00 amPHX - SEA
Nonstop3h 18mFrontier
Wed 11/191:37 pmSEA - PHX
1 stop7h 21mFrontier
Deal found 10/22$105
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:05 pmPHX - SEA
1 stop16h 02mFrontier
Mon 11/178:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 10/20$106
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:50 pmPHX - SEA
Nonstop3h 15mSouthwest
Sun 11/163:05 pmSEA - PHX
1 stop6h 35mSouthwest
Deal found 10/22$107
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:23 pmPHX - SEA
1 stop7h 20mAlaska Airlines
Wed 12/108:22 amSEA - PHX
Nonstop3h 01mAlaska Airlines
Deal found 10/22$108
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amPHX - SEA
Nonstop3h 18mMultiple Airlines
Tue 11/185:45 pmSEA - PHX
Nonstop2h 54mMultiple Airlines
Deal found 10/20$109
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:55 pmPHX - SEA
1 stop6h 48mAlaska Airlines
Tue 12/99:45 amSEA - PHX
Nonstop2h 57mAlaska Airlines
Deal found 10/20$110
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:00 amPHX - SEA
Nonstop3h 24mAlaska Airlines
Thu 12/41:53 pmSEA - PHX
1 stop5h 24mAlaska Airlines
Deal found 10/21$111

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 October 23, 2025.

Round-trip from

$99
(Frontier)

One-way from

$64
(Southwest)

Popular in

March

Cheapest in

January

Average price

$186
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. 4% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 23, 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

Thu 12/4

3:23 pm-9:52 am

1 stop19h 29m

Seattle/Tacoma Intl

Sun 12/7

1:54 pm-5:49 pm

Nonstop2h 55m

$102

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 12/11

3:23 pm-9:52 am

1 stop19h 29m

Seattle/Tacoma Intl

Sun 12/14

5:30 pm-9:25 pm

Nonstop2h 55m

$102

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 11/14

7:45 pm-12:35 am

1 stop5h 50m

Seattle/Tacoma Intl

Sun 11/16

5:15 am-9:00 am

Nonstop2h 45m

$107

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 12/20

10:50 pm-1:00 am

Nonstop3h 10m

Seattle/Tacoma Intl

Sat 1/3

5:15 pm-12:45 am

1 stop6h 30m

$107

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 1/6

8:25 am-12:20 pm

1 stop4h 55m

Seattle/Tacoma Intl

Tue 1/20

9:30 am-7:55 pm

2 stops9h 25m

$108

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 12/11

12:08 pm-2:25 pm

Nonstop3h 17m

Seattle/Tacoma Intl

Thu 12/11

4:47 pm-11:59 pm

1 stop6h 12m

$111

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 11/12

8:10 am-11:55 am

1 stop4h 45m

Seattle/Tacoma Intl

Sat 11/15

10:15 am-5:55 pm

1 stop6h 40m

$112

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 11/14

9:50 pm-12:05 am

Nonstop3h 15m

Seattle/Tacoma Intl

Mon 11/17

6:15 am-2:40 pm

2 stops7h 25m

$112

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 11/15

7:45 am-2:15 pm

1 stop7h 30m

Seattle/Tacoma Intl

Mon 11/17

6:15 am-2:40 pm

2 stops7h 25m

$122

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Mon 11/24

6:00 am-8:13 am

Nonstop3h 13m

Seattle/Tacoma Intl

Thu 12/4

12:08 pm-7:14 pm

1 stop6h 06m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 23 results
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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 October 17, 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, February is the cheapest month in which you can book a flight from Gilbert to Seattle (average of $38). Flying from Gilbert to Seattle in July is currently the most expensive (average of $89). 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 October 23, 2025.

It’s optimal to fly from Gilbert to Seattle at noon. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the morning.

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 Saturday evenings when fares are most often at their lowest. Monday mornings 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 October 23, 2025.

The most flights from G1L to SEA are scheduled on a Wednesday (57 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 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 October 23, 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
11,156 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

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
11,156 reviews
Alaska Airlines
8.0
Very good
11,156 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

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
4,237 reviews
Alaska Airlines
8.0
Very good
11,156 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

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
7.9
Good
7,981 reviews
Alaska Airlines
8.0
Very good
11,156 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

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
2,788 reviews
Alaska Airlines
8.0
Very good
11,156 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

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
3,128 reviews
Alaska Airlines
8.0
Very good
11,156 reviews

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

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 37 inbound flights from Gilbert per day. 6 airlines have flights to Seattle/Tacoma Intl from Gilbert on a regular basis.

  • How long is the flight from Gilbert to Seattle?

    Alaska Airlines and Southwest can get you from Gilbert to Seattle in just under 5h 50m. Your travel time can differ by up to 13h 39m. The distance between Gilbert and Seattle is about 1107 mi. This flight may include one or multiple stops.

  • 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 (95%), Frontier (91%), Delta( 90%).

  • What are the cheapest flights from Gilbert to Seattle?

    Looking at all options, your cheapest flight can be booked for $70. While the most popular route (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl) can be booked for $68 on average, our data indicates $709 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, February is the cheapest month in which you can book a flight from Gilbert to Seattle (average of $38). Flying from Gilbert to Seattle in July is currently the most expensive (average of $89). 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
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Kirkland
Fife
Issaquah

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Top 6 airlines flying from Gilbert to Seattle

Discover the top 6 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$151FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$84Average$276FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$97Average$261FlexibilityNo cancel feeOn-time75%
DeltaCheapest$100Average$242FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$137Average$285FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$143Average$295FlexibilityNo cancel feeOn-time71%

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