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$145+ Cheap flights from Green Bay to Seattle (GRB - 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SEA
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheapflights Tip: The best prices from Green Bay Austin-Straubel to Seattle/Tacoma Intl are usually found in November or February, booked 71 days in advance, depart on a Monday or Thursday and return on a Saturday

Cheap flight deals from Green Bay to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2025.

Round-trip from

$251
(American Airlines)

One-way from

$145
(FlightHub)

Popular in

January

Cheapest in

November

Average price

$642
From Green Bay Austin-Straubel to Seattle/Tacoma Intl
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One-way flight from Green Bay Austin-Straubel to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Green Bay to Seattle

Cheapest flights from Green Bay to Seattle
Explore the most affordable flight options available from Green Bay to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:26 pmGRB - SEA
1 stop7h 15mAmerican Airlines
Fri 8/1512:46 amSEA - GRB
1 stop6h 26mAmerican Airlines
Deal found 6/30$251
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:23 pmGRB - SEA
1 stop8h 36mUnited Airlines
Mon 8/1111:45 pmSEA - GRB
1 stop8h 26mUnited Airlines
Deal found 6/30$308
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/147:53 pmGRB - SEA
1 stop6h 41mFrontier
Fri 7/186:25 amSEA - GRB
1 stop10h 30mFrontier
Deal found 6/30$338

Cheapflights Fare Finder

Customize your flight search to find flights from Green Bay 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 July 2, 2025.
Use the filters below to find and compare flights from Green Bay to Seattle that are best for you.

Fly from

Green Bay

Fly to

Seattle

Route

Depart

Return

Price

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Tue 8/12

6:26 pm-11:41 pm

1 stop7h 15m

Seattle/Tacoma Intl

Fri 8/15

12:46 am-9:12 am

1 stop6h 26m

$251

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Thu 8/7

5:23 pm-11:59 pm

1 stop8h 36m

Seattle/Tacoma Intl

Mon 8/11

11:45 pm-10:11 am

1 stop8h 26m

$308

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Mon 7/14

7:53 pm-12:34 am

1 stop6h 41m

Seattle/Tacoma Intl

Fri 7/18

6:25 am-6:55 pm

1 stop10h 30m

$338

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Fri 7/25

7:52 pm-6:46 pm

1 stop24h 54m

$145

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Sat 9/20

5:30 pm-10:20 pm

1 stop6h 50m

$158

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Tue 10/14

3:01 pm-8:46 pm

1 stop7h 45m

$219

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Sat 7/26

4:21 pm-8:33 pm

1 stop6h 12m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Green Bay to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Green Bay 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 Green Bay to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Green Bay to Seattle. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Green Bay to Seattle, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Green Bay to Seattle (average of $238). Flying from Green Bay to Seattle in July is currently the most expensive (average of $390). 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 GRB to SEA?

Find hourly flight availability from Green Bay 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 July 2, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 57% on flights from Green Bay to Seattle by exploring options for tickets in the afternoon.

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 July 2, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Green Bay to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,290 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the cheapest airlines flying from Green Bay to Seattle round-trip?

    Flying on American Airlines is currently your cheapest option to Seattle, with prices starting at $251. Additional round-trip tickets that might be worth considering are offered by United Airlines and Frontier, with the lowest prices starting at $308 and $338, respectively. You may be able to fly from Green Bay to Seattle for 48% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Green Bay to Seattle one-way?

    One-way options have recently been found by users for as low as $145 on Frontier. Other airlines that offer cheap prices include United Airlines from $158 and American Airlines from $219 one-way.

  • Can I find deals for flights from Green Bay to Seattle that include hotel bookings?

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

  • How can I find direct flights from Green Bay to Seattle?

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

  • Can I find deals for business class flights from Green Bay to Seattle?

    Yes. Cheapflights offers flight deals from Green Bay 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 Green Bay to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Green Bay to Seattle (average of $238). Flying from Green Bay to Seattle in July is currently the most expensive (average of $390). 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 Green Bay?

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

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Top 4 airlines flying from Green Bay to Seattle

Discover the top 4 airlines that operate flights from Green Bay 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$122Average$324FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$280Average$543FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$485FlexibilityNo cancel feeOn-time71%
DeltaCheapest$313Average$551FlexibilityNo cancel feeOn-timeN/A

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