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$179+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SAN
Apr 2 — Apr 91
Thu 4/2
Thu 4/9
1 adult, Economy
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Cheap 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 3, 2026.

This United Airlines deal was found by Cheapflights users on 3/1. 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.
Tue 3/315:35 pm
GRB
-
SAN
1 stop7h 24m
United Airlines
Wed 4/89:45 pm
SAN
-
GRB
2 stops10h 15m
United Airlines
Deal found 3/1$284
This American Airlines deal was found by Cheapflights users on 2/27. 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.
Mon 4/205:24 pm
GRB
-
SAN
1 stop8h 09m
American Airlines
Sat 4/2510:40 pm
SAN
-
GRB
1 stop8h 32m
American Airlines
Deal found 2/27$289
This United Airlines deal was found by Cheapflights users on 2/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:30 pm
GRB
-
SAN
2 stops8h 42m
United Airlines
Sat 4/256:20 am
SAN
-
GRB
1 stop6h 52m
United Airlines
Deal found 2/27$294
This Delta deal was found by Cheapflights users on 3/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:12 pm
GRB
-
SAN
1 stop6h 54m
Delta
Mon 4/276:15 am
SAN
-
GRB
1 stop9h 12m
Delta
Deal found 3/1$299
This American Airlines deal was found by Cheapflights users on 3/3. 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 3/315:00 am
GRB
-
SAN
2 stops11h 18m
American Airlines
Tue 4/710:40 pm
SAN
-
GRB
1 stop8h 32m
American Airlines
Deal found 3/3$304
This Delta deal was found by Cheapflights users on 3/2. 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 4/24:19 pm
GRB
-
SAN
1 stop9h 21m
Delta
Sat 4/116:15 am
SAN
-
GRB
1 stop7h 23m
Delta
Deal found 3/2$309
This American Airlines deal was found by Cheapflights users on 3/3. 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 3/176:01 am
GRB
-
SAN
1 stop8h 40m
American Airlines
Mon 3/2310:35 pm
SAN
-
GRB
1 stop8h 41m
American Airlines
Deal found 3/3$338
This American Airlines deal was found by Cheapflights users on 2/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:42 am
GRB
-
SAN
1 stop15h 51m
American Airlines
Mon 5/1810:40 pm
SAN
-
GRB
1 stop16h 20m
American Airlines
Deal found 2/26$343

Find 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 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$284
(United Airlines)

One-way from

$179
(Delta)

Popular in

March

Cheapest in

November

Average price

$485
Provider with most accurate pricing for Green Bay Austin-Straubel-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-San Diego flights.
Search Deals
From Green Bay Austin-Straubel to San Diego
Search Deals
One-way flight from Green Bay Austin-Straubel to San Diego
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 3, 2026.
Use the filters below to find and compare flights from Green Bay to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Thu 4/2

4:19 pm-11:40 pm

1 stop9h 21m

San Diego

Sat 4/11

6:15 am-3:38 pm

1 stop7h 23m

$289

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Mon 4/20

1:30 pm-8:12 pm

2 stops8h 42m

San Diego

Sat 4/25

6:20 am-3:12 pm

1 stop6h 52m

$294

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Thu 4/23

1:30 pm-8:12 pm

2 stops8h 42m

San Diego

Mon 4/27

6:20 am-3:12 pm

1 stop6h 52m

$304

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Sat 5/23

5:00 am-9:28 am

1 stop6h 28m

San Diego

Wed 5/27

1:53 pm-10:45 pm

1 stop6h 52m

$309

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Tue 5/12

5:24 am-12:45 pm

1 stop9h 21m

San Diego

Sat 5/16

6:30 am-3:39 pm

1 stop7h 09m

$349

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Fri 5/15

5:40 am-12:28 pm

1 stop8h 48m

San Diego

Mon 5/18

7:20 pm-9:12 am

2 stops11h 52m

$364

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Thu 4/2

3:47 pm-10:59 pm

1 stop9h 12m

San Diego

Sat 4/11

8:45 am-7:13 pm

2 stops8h 28m

$400

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Tue 5/12

8:00 am-2:56 pm

2 stops8h 56m

San Diego

Sat 5/16

2:14 pm-10:58 pm

1 stop6h 44m

$404

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Wed 5/27

12:34 pm-6:30 pm

1 stop7h 56m

San Diego

Sun 5/31

6:40 am-4:51 pm

1 stop8h 11m

$408

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Fri 5/15

5:00 am-1:50 pm

2 stops10h 50m

San Diego

Mon 5/18

9:45 pm-10:00 am

2 stops10h 15m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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

*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 February 27, 2026.

The best time to book flights from Green Bay to San Diego is 57 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, May is the cheapest month in which you can book a flight from Green Bay to San Diego (average of $171). Flying from Green Bay to San Diego in March is currently the most expensive (average of $324). 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.

How much does it cost to fly round-trip from Green Bay to San Diego?

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 3, 2026.
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
7.9
Good
8,245 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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
7.9
Good
8,245 reviews
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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
9,382 reviews
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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
7.1
Good
11,378 reviews
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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 Diego. 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 Diego?

    There are many flights that can get you from Green Bay to San Diego in 8h 42m. Fly via Delta or United Airlines to get the fastest option. There are 1753 mi between Green Bay and San Diego. 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 Diego round-trip?

    Currently priced at $276, Delta will fly you from Green Bay to San Diego and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $288 and $288, respectively. You may be able to fly from Green Bay to San Diego for 28% less than the average price by searching for these airlines.

  • 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, May is the cheapest month in which you can book a flight from Green Bay to San Diego (average of $171). Flying from Green Bay to San Diego in March is currently the most expensive (average of $324). 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 Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$409FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$453FlexibilityNo cancel feeOn-time71%

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