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$126+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 February or December, booked 45 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 September 17, 2025.

Round-trip from

$251
(Delta)

One-way from

$126
(United Airlines)

Popular in

January

Cheapest in

February

Average price

$512
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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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:15 amGRB - SEA
1 stop11h 29mDelta
Tue 12/91:39 pmSEA - GRB
1 stop6h 01mDelta
Deal found 9/17$251
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:20 amGRB - SEA
1 stop8h 37mDelta
Mon 11/1711:10 pmSEA - GRB
1 stop9h 20mDelta
Deal found 9/16$270
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/155:25 pmGRB - SEA
1 stop7h 05mUnited Airlines
Wed 10/2211:40 pmSEA - GRB
1 stop8h 25mUnited Airlines
Deal found 9/16$284
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:20 amGRB - SEA
1 stop8h 37mDelta
Tue 11/1811:10 pmSEA - GRB
1 stop9h 20mDelta
Deal found 9/16$289
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/63:06 pmGRB - SEA
2 stops10h 32mAmerican Airlines
Tue 12/99:00 amSEA - GRB
1 stop8h 28mAmerican Airlines
Deal found 9/17$290
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 11/1911:06 amGRB - SEA
2 stops11h 08mAmerican Airlines
Sun 11/232:46 pmSEA - GRB
1 stop6h 42mAmerican Airlines
Deal found 9/16$309
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:00 amGRB - SEA
1 stop9h 45mDelta
Tue 11/1812:05 pmSEA - GRB
2 stops20h 25mDelta
Deal found 9/16$318
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:15 amGRB - SEA
1 stop9h 28mDelta
Sat 11/1511:55 pmSEA - GRB
1 stop19h 38mDelta
Deal found 9/16$328
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/243:02 pmGRB - SEA
1 stop7h 44mAmerican Airlines
Sat 10/2512:34 amSEA - GRB
1 stop6h 40mAmerican Airlines
Deal found 9/14$335

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 September 17, 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

Sat 12/6

5:15 am-2:44 pm

1 stop11h 29m

Seattle/Tacoma Intl

Tue 12/9

1:39 pm-9:40 pm

1 stop6h 01m

$251

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Sat 11/15

6:20 am-10:54 am

1 stop6h 34m

Seattle/Tacoma Intl

Tue 11/18

11:10 pm-10:30 am

1 stop9h 20m

$270

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Sat 11/15

6:20 am-12:57 pm

1 stop8h 37m

Seattle/Tacoma Intl

Mon 11/17

11:10 pm-10:30 am

1 stop9h 20m

$270

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Fri 11/14

4:17 pm-8:35 pm

1 stop6h 18m

Seattle/Tacoma Intl

Sat 11/15

11:46 am-8:39 pm

1 stop6h 53m

$270

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Wed 10/15

5:25 pm-10:30 pm

1 stop7h 05m

Seattle/Tacoma Intl

Wed 10/22

11:40 pm-10:05 am

1 stop8h 25m

$284

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Fri 11/14

11:10 am-6:40 pm

1 stop9h 30m

Seattle/Tacoma Intl

Mon 11/17

11:10 pm-10:30 am

1 stop9h 20m

$289

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Sat 12/6

3:06 pm-11:38 pm

2 stops10h 32m

Seattle/Tacoma Intl

Tue 12/9

9:00 am-7:28 pm

1 stop8h 28m

$290

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Sat 11/15

5:15 am-12:43 pm

1 stop9h 28m

Seattle/Tacoma Intl

Sat 11/15

11:55 pm-9:33 pm

1 stop19h 38m

$328

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Fri 10/24

3:02 pm-8:46 pm

1 stop7h 44m

Seattle/Tacoma Intl

Sat 10/25

12:34 am-9:14 am

1 stop6h 40m

$335

Green BaySeattle

GRB - SEA

GRBSEA

Green Bay Austin-Straubel

Thu 11/13

4:17 pm-11:59 pm

1 stop9h 42m

Seattle/Tacoma Intl

Sat 11/15

11:46 am-8:39 pm

1 stop6h 53m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 16 results
1
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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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Green Bay to Seattle, you should look to book at least 45 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 June is currently the most expensive (average of $387). 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 September 17, 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 September 17, 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
7,961 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
7,961 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
5.8
Fair
3,173 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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.

  • How long is the flight from Green Bay to Seattle?

    Departing from Green Bay to Seattle will take you 7h 05m. The distance between Green Bay and Seattle is about 1640 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Frontier is currently your cheapest option to Seattle, with prices starting at $122. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $280 and $288, respectively. You may be able to fly from Green Bay to Seattle for 74% less than the average price by searching for these airlines.

  • 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 June is currently the most expensive (average of $387). 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
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$122Average$324FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$280Average$550FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$472FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$535FlexibilityNo cancel feeOn-timeN/A

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