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$145+ Cheap flights from Green Bay to San Francisco (GRB - SFO)

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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SFO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Green Bay to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to San Francisco (SFO). 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 June 12, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$145
(American Airlines)

Popular in

September

Cheapest in

February

Average price

$318
From Green Bay Austin-Straubel to San Francisco
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One-way flight from Green Bay Austin-Straubel to San Francisco
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Highest demand for flights based on searches. 15% potential increase in price ($83 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 June 2025
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Find flight deals from Green Bay to San Francisco

Cheapest flights from Green Bay to San Francisco
Explore the most affordable flight options available from Green Bay to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 9/186:26 pmGRB - SFO
1 stop6h 43mAmerican Airlines
Tue 9/238:00 amSFO - GRB
1 stop5h 59mAmerican Airlines
Deal found 6/12$289
This Frontier deal was found by Cheapflights users on 6/12. 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 7/217:53 pmGRB - SFO
1 stop6h 26mFrontier
Mon 7/286:37 amSFO - GRB
1 stop10h 18mFrontier
Deal found 6/12$321
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/101:10 pmGRB - SFO
1 stop7h 34mUnited Airlines
Thu 7/1711:55 pmSFO - GRB
1 stop8h 16mUnited Airlines
Deal found 6/11$339
This Delta deal was found by Cheapflights users on 6/10. 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.
Thu 7/312:10 pmGRB - SFO
1 stop7h 37mDelta
Tue 7/86:05 amSFO - GRB
1 stop7h 36mDelta
Deal found 6/10$354

Cheapflights Fare Finder

Customize your flight search to find flights from Green Bay to San Francisco 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 June 12, 2025.
Use the filters below to find and compare flights from Green Bay to San Francisco that are best for you.

Fly from

Green Bay

Fly to

San Francisco

Route

Depart

Return

Price

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Thu 9/18

6:26 pm-11:09 pm

1 stop6h 43m

San Francisco

Tue 9/23

8:00 am-3:59 pm

1 stop5h 59m

$289

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Mon 7/21

7:53 pm-12:19 am

1 stop6h 26m

San Francisco

Mon 7/28

6:37 am-6:55 pm

1 stop10h 18m

$321

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Thu 7/10

1:10 pm-6:44 pm

1 stop7h 34m

San Francisco

Thu 7/17

11:55 pm-10:11 am

1 stop8h 16m

$339

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Thu 7/3

12:10 pm-5:47 pm

1 stop7h 37m

San Francisco

Tue 7/8

6:05 am-3:41 pm

1 stop7h 36m

$354

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Tue 6/17

2:31 pm-9:27 pm

1 stop8h 56m

$145

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Mon 7/14

7:53 pm-12:19 am

1 stop6h 26m

$170

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Thu 7/3

6:20 am-1:15 pm

1 stop8h 55m

$201

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Sun 7/13

5:23 pm-9:09 am

1 stop17h 46m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Green Bay to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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 San Francisco

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

Currently, January is the cheapest month in which you can book a flight from Green Bay to San Francisco (average of $276). Flying from Green Bay to San Francisco in June is currently the most expensive (average of $364). 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 SFO?

Find hourly flight availability from Green Bay to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Green Bay to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 26% versus a flight at noon.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated June 12, 2025.
To help decide which airline to fly from Green Bay to San Francisco, see what other customers have to say about Delta, United Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
5.9
Fair
3,295 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Green Bay to San Francisco. 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 San Francisco round-trip?

    Cheapflights users have booked flights from Green Bay to San Francisco round-trip from $289. Other airlines that can offer you cheap pricing are Frontier, from $321, and United Airlines, from $339. American Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $145. Frontier flights start at $170 while deals on Delta start at $201 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Green Bay to San Francisco 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 San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Green Bay to San Francisco (average of $276). Flying from Green Bay to San Francisco in June is currently the most expensive (average of $364). 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
Roseville
Mountain View
South San Francisco
Livermore
Turlock
Santa Cruz
Manteca
Fairfield
Watsonville
Antioch
Hollister
Milpitas
Newark
Hayward
Alameda
Sunnyvale
Daly City
Union City
Campbell
Capitola

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Top 3 airlines flying from Green Bay to San Francisco

Discover the top 3 airlines that operate flights from Green Bay to San Francisco. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$389FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$523FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$313Average$513FlexibilityNo cancel feeOn-time71%

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