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$160+ Cheap flights from Green Bay to San Diego (GRB - SAN)

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SAN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Green Bay Austin-Straubel to San Diego are usually found in August or April, booked 73 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Green Bay to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to San Diego (SAN). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(American Airlines)

One-way from

$160
(American Airlines)

Popular in

July

Cheapest in

August

Average price

$532
Provider with most accurate pricing for Green Bay Austin-Straubel-San Diego flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-San Diego flights.
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From Green Bay Austin-Straubel to San Diego
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One-way flight from Green Bay Austin-Straubel to San Diego
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Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Green Bay to San Diego

Cheapest flights from Green Bay to San Diego
Explore the most affordable flight options available from Green Bay to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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 6/46:22 pmGRB - SAN
1 stop7h 37mAmerican Airlines
Wed 6/1110:45 pmSAN - GRB
1 stop8h 38mAmerican Airlines
Deal found 3/27$229
This Delta deal was found by Cheapflights users on 3/27. 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 4/225:49 pmGRB - SAN
1 stop6h 53mDelta
Sat 4/266:15 amSAN - GRB
1 stop5h 49mDelta
Deal found 3/27$277
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/256:45 amGRB - SAN
1 stop6h 57mUnited Airlines
Mon 4/288:30 pmSAN - GRB
2 stops11h 45mUnited Airlines
Deal found 3/26$294
This Frontier deal was found by Cheapflights users on 3/26. 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 6/27:53 pmGRB - SAN
1 stop6h 02mFrontier
Wed 6/46:25 amSAN - GRB
1 stop10h 29mFrontier
Deal found 3/26$298

Cheapflights Fare Finder

Customize your flight search to find flights from Green Bay to San Diego 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 March 28, 2025.
Use the filters below to find and compare flights from Green Bay to San Diego that are best for you.

Fly from

Green Bay

Fly to

San Diego

Route

Depart

Return

Price

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Wed 6/4

6:22 pm-11:59 pm

1 stop7h 37m

San Diego

Wed 6/11

10:45 pm-9:23 am

1 stop8h 38m

$229

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Tue 4/22

5:49 pm-10:42 pm

1 stop6h 53m

San Diego

Sat 4/26

6:15 am-2:04 pm

1 stop5h 49m

$277

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Fri 4/25

6:45 am-11:42 am

1 stop6h 57m

San Diego

Mon 4/28

8:30 pm-10:15 am

2 stops11h 45m

$294

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Mon 6/2

7:53 pm-11:55 pm

1 stop6h 02m

San Diego

Wed 6/4

6:25 am-6:54 pm

1 stop10h 29m

$298

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Wed 5/21

6:22 pm-11:59 pm

1 stop7h 37m

$160

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Fri 5/23

7:48 pm-11:59 pm

1 stop6h 11m

$209

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Wed 5/21

5:30 pm-10:14 pm

1 stop6h 44m

$215

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Thu 4/3

6:30 pm-9:41 am

3 stops41h 11m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Green Bay to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to San Diego in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Green Bay to San Diego. Price data was last updated on March 21, 2025.

The best time to book flights from Green Bay to San Diego is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Green Bay to San Diego (average of $286). Flying from Green Bay to San Diego in March is currently the most expensive (average of $366). 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 SAN?

Find hourly flight availability from Green Bay to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from Green Bay to San Diego by exploring options for tickets in the afternoon.

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 Diego. Reviews last updated March 28, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Green Bay to San Diego. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
7,896 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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
6.0
Okay
3,271 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Overall

8.0

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 Diego. 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 Diego round-trip?

    Currently priced at $229, American Airlines will fly you from Green Bay to San Diego and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $277 and $294, respectively. You may be able to fly from Green Bay to San Diego for 47% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Green Bay to San Diego are American Airlines ($160), Frontier ($209), and United Airlines ($215).

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

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

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

    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 Diego.

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

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

    Currently, August is the cheapest month in which you can book a flight from Green Bay to San Diego (average of $286). Flying from Green Bay to San Diego in March is currently the most expensive (average of $366). 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
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Top 3 airlines flying from Green Bay to San Diego

Discover the top 3 airlines that operate flights from Green Bay to San Diego. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$263Average$412FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$381FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$313Average$481FlexibilityNo cancel feeOn-time69%
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