The cheapest times to fly from GRB to SFO are

  • January 8th to March 4th
  • April 16th to May 6th
  • May 21st to June 10th
  • August 13th to November 11th (except the weeks of September 17th, October 8th, and October 15th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from GRB to SFO is late January and early February. Prices can be as high as $954 for Sunday flights during late July, or as low as $296 for Tuesday flights around late January and early February.


When to Fly to San Francisco

Flying from Green Bay, WI (GRB) to San Francisco, CA (SFO) will usually cost between $354 to $590 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $364. Due to high demand the most expensive time to fly is late July, with an average price of $575. Planning your trip to low-cost times can easily save you $211 on economy flights and even more on first-class flights. Generally, any price below $391 can be considered a good price for a round-trip GRB to SFO flight.

See below for a graph of average weekly prices for the GRB to SFO route. All prices are for round-trip tickets in USD.

GRB to SFO Flight Prices

Compared to other flights, the GRB to SFO flight is much cheaper than the average and costs less than the average flight leaving from Green Bay. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $105 (22%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $372. Return trip prices are from the SFO to GRB flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from GRB to SFO can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 4 hour 17 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from GRB to SFO? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, American, Delta, Frontier, United, and potentially more during busy seasons.

How far away is it from San Francisco International Airport to Green Bay Austin Straubel International Airport?

The distance between the two airports is roughly 1831 miles or 2947 kilometers.

How long does it take to fly from GRB to SFO?

The real-world flight time for a nonstop GRB to SFO flight is about 4 hour 17 minutes.

How many flights go between Green Bay, WI and San Francisco, CA?

It depends on the day of the week and the date, but a typical day might have around 73 available flights from GRB to SFO.


Airport Location Info


Departing Airport

Origination codeGRB
Origination airport nameGreen Bay Austin Straubel International Airport
CityGreen Bay, WI
Countrythe United States

Return Airport

Destination codeSFO
Destination airport nameSan Francisco International Airport
CitySan Francisco, CA
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.