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$175+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SAN
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Green Bay Austin-Straubel to San Diego are usually found in November or June, 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 July 1, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$175
(Priceline)

Popular in

October

Cheapest in

November

Average price

$482
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. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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 10/229:44 amGRB - SAN
1 stop6h 26mAmerican Airlines
Wed 10/291:12 pmSAN - GRB
1 stop8h 18mAmerican Airlines
Deal found 6/30$289
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/136:15 amGRB - SAN
1 stop7h 18mUnited Airlines
Sat 8/1610:00 pmSAN - GRB
2 stops10h 11mUnited Airlines
Deal found 7/1$339
This Delta deal was found by Cheapflights users on 6/29. 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 8/125:31 amGRB - SAN
1 stop8h 57mDelta
Tue 8/1910:47 amSAN - GRB
1 stop10h 35mDelta
Deal found 6/29$354
This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/147:53 pmGRB - SAN
1 stop5h 59mFrontier
Fri 7/186:25 amSAN - GRB
1 stop10h 30mFrontier
Deal found 6/29$373

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 July 1, 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

Tue 7/22

6:19 pm-11:27 pm

1 stop7h 08m

San Diego

Tue 7/29

10:45 pm-9:21 am

1 stop8h 36m

$289

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Wed 8/13

6:15 am-11:33 am

1 stop7h 18m

San Diego

Sat 8/16

10:00 pm-10:11 am

2 stops10h 11m

$339

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Tue 8/12

5:31 am-12:28 pm

1 stop8h 57m

San Diego

Tue 8/19

10:47 am-11:22 pm

1 stop10h 35m

$354

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Mon 7/14

7:53 pm-11:52 pm

1 stop5h 59m

San Diego

Fri 7/18

6:25 am-6:55 pm

1 stop10h 30m

$373

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Mon 8/4

7:53 pm-11:52 pm

1 stop5h 59m

$175

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Tue 8/5

6:19 pm-11:27 pm

1 stop7h 08m

$212

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Thu 8/7

5:03 pm-10:38 pm

1 stop7h 35m

$214

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Fri 9/12

5:30 pm-8:16 pm

3 stops28h 46m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 June 27, 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 July 1, 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.

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 July 1, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Green Bay to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

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
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

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
8,858 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

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
7,973 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

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
3,291 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

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 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 $289, 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 United Airlines and Delta - these airlines can fly you to your destination from $339 and $354, respectively. You may be able to fly from Green Bay to San Diego for 29% 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 Frontier ($175), American Airlines ($212), and Delta ($214).

  • 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
Coronado
National City
Lemon Grove
Imperial Beach
La Mesa
Poway
Alpine
Santee

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$263Average$384FlexibilityNo cancel feeOn-time71%
DeltaCheapest$279Average$375FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$314Average$479FlexibilityNo cancel feeOn-time69%

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