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$189+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SFO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$189
(United Airlines)

Popular in

September

Cheapest in

February

Average price

$600
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. 17% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 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 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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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 11/65:20 pmGRB - SFO
1 stop7h 15mDelta
Tue 11/1110:45 pmSFO - GRB
1 stop9h 45mDelta
Deal found 9/15$289
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/113:02 pmGRB - SFO
1 stop9h 07mAmerican Airlines
Sat 10/181:19 pmSFO - GRB
1 stop8h 11mAmerican Airlines
Deal found 9/15$290
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/259:44 amGRB - SFO
2 stops12h 58mAmerican Airlines
Mon 10/2711:25 pmSFO - GRB
1 stop7h 49mAmerican Airlines
Deal found 9/15$294
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 9/304:13 pmGRB - SFO
1 stop8h 12mDelta
Fri 10/312:45 amSFO - GRB
1 stop8h 38mDelta
Deal found 9/15$339
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/306:00 amGRB - SFO
2 stops12h 01mAmerican Airlines
Sat 10/46:00 amSFO - GRB
1 stop7h 59mAmerican Airlines
Deal found 9/15$344
This Delta deal was found by Cheapflights users on 9/15. 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 10/114:16 pmGRB - SFO
2 stops17h 09mDelta
Sat 10/185:55 amSFO - GRB
1 stop8h 45mDelta
Deal found 9/15$362
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/255:22 pmGRB - SFO
1 stop8h 41mUnited Airlines
Wed 12/316:00 amSFO - GRB
1 stop8h 47mUnited Airlines
Deal found 9/15$375
This Delta deal was found by Cheapflights users on 9/13. 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 9/264:13 pmGRB - SFO
1 stop7h 14mDelta
Sun 9/2812:45 amSFO - GRB
1 stop8h 38mDelta
Deal found 9/13$379
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/264:39 pmGRB - SFO
1 stop8h 30mAmerican Airlines
Mon 9/297:45 pmSFO - GRB
2 stops11h 31mAmerican Airlines
Deal found 9/13$384

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 September 15, 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

Sat 10/25

3:02 pm-10:09 pm

1 stop9h 07m

San Francisco

Mon 10/27

11:25 pm-9:14 am

1 stop7h 49m

$289

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Sat 3/7

5:25 pm-10:47 pm

1 stop7h 22m

San Francisco

Tue 3/10

12:40 am-11:19 am

1 stop8h 39m

$289

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Thu 11/6

5:20 pm-10:35 pm

1 stop7h 15m

San Francisco

Mon 11/10

12:45 am-11:23 am

1 stop8h 38m

$289

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Sat 10/11

3:02 pm-10:09 pm

1 stop9h 07m

San Francisco

Sat 10/18

1:19 pm-11:30 pm

1 stop8h 11m

$290

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Tue 9/30

4:13 pm-10:25 pm

1 stop8h 12m

San Francisco

Fri 10/3

12:45 am-11:23 am

1 stop8h 38m

$339

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Tue 10/21

2:40 pm-10:31 pm

1 stop9h 51m

$189

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Sun 2/22

5:25 pm-10:47 pm

1 stop7h 22m

$241

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Mon 11/24

5:22 pm-10:37 pm

1 stop7h 15m

$309

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Sun 9/21

6:00 am-12:31 pm

1 stop8h 31m

$314

Green BaySan Francisco

GRB - SFO

GRBSFO

Green Bay Austin-Straubel

Wed 10/15

5:20 pm-10:35 pm

1 stop7h 15m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 results
1
2

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 $357). 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 September 15, 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.

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 September 15, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Green Bay to San Francisco 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
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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.

  • How long is the flight from Green Bay to San Francisco?

    There are many flights that can get you from Green Bay to San Francisco in 7h 22m. Fly via American Airlines or Delta to get the fastest option. Airlines will cover a distance of 1830 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $288. Other airlines that can offer you cheap pricing are American Airlines, from $288, and United Airlines, from $313. Delta is 34% 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 United Airlines, which is currently one of the cheapest options available, starting at $189. Delta flights start at $241 while deals on American Airlines start at $314 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 $357). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
Union City
Vallejo
Burlingame
Redwood City
San Mateo
San Leandro
Lathrop

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Alternative routes for Green Bay to San Francisco

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$346FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$488FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$313Average$563FlexibilityNo cancel feeOn-time69%

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