HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$189+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — SAN
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Green Bay to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 agosto 14, 2025.

Round-trip from

$289
(Delta)

One-way from

$189
(Delta)

Popular in

October

Cheapest in

November

Average price

$323
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. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 agosto 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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.
sáb. 9/66:20 amGRB - SAN
1 stop8h 28mDelta
sáb. 9/1310:55 amSAN - GRB
1 stop10h 05mDelta
Deal found 8/13$289
This American Airlines deal was found by Cheapflights users on 8/12. 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.
sáb. 9/69:56 amGRB - SAN
2 stops11h 28mAmerican Airlines
sáb. 9/136:15 amSAN - GRB
1 stop7h 44mAmerican Airlines
Deal found 8/12$294
This American Airlines deal was found by Cheapflights users on 8/13. 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.
vie. 9/59:48 amGRB - SAN
2 stops12h 32mAmerican Airlines
dom. 9/77:32 pmSAN - GRB
2 stops11h 46mAmerican Airlines
Deal found 8/13$299
This Delta deal was found by Cheapflights users on 8/14. 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.
mié. 10/224:16 pmGRB - SAN
1 stop6h 18mDelta
mié. 10/297:25 amSAN - GRB
1 stop7h 09mDelta
Deal found 8/14$314
This American Airlines deal was found by Cheapflights users on 8/12. 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.
mié. 10/226:00 amGRB - SAN
1 stop8h 24mAmerican Airlines
mié. 10/296:15 amSAN - GRB
2 stops11h 23mAmerican Airlines
Deal found 8/12$344
This American Airlines deal was found by Cheapflights users on 8/12. 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.
lun. 10/202:45 pmGRB - SAN
1 stop8h 50mAmerican Airlines
jue. 10/233:06 pmSAN - GRB
1 stop6h 24mAmerican Airlines
Deal found 8/12$377
This United Airlines deal was found by Cheapflights users on 8/12. 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.
jue. 12/258:00 amGRB - SAN
2 stops14h 16mUnited Airlines
vie. 1/210:45 pmSAN - GRB
1 stop9h 24mUnited Airlines
Deal found 8/12$384

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 agosto 14, 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

sáb. 9/6

7:30 am-12:12 pm

1 stop6h 42m

San Diego

jue. 9/11

10:38 pm-9:18 am

1 stop8h 40m

$289

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

sáb. 9/6

6:20 am-12:48 pm

1 stop8h 28m

San Diego

sáb. 9/13

10:55 am-11:00 pm

1 stop10h 05m

$289

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

sáb. 9/6

7:30 am-12:12 pm

1 stop6h 42m

San Diego

sáb. 9/13

6:15 am-3:59 pm

1 stop7h 44m

$289

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

vie. 9/5

6:00 am-12:27 pm

1 stop8h 27m

San Diego

dom. 9/7

10:38 pm-9:18 am

1 stop8h 40m

$289

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

mié. 10/22

4:16 pm-8:34 pm

1 stop6h 18m

San Diego

mié. 10/29

7:25 am-4:34 pm

1 stop7h 09m

$314

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

mié. 10/22

6:00 am-12:24 pm

1 stop8h 24m

San Diego

mié. 10/29

6:15 am-7:38 pm

2 stops11h 23m

$344

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

vie. 9/19

6:05 am-10:57 am

1 stop6h 52m

$189

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

sáb. 9/20

6:00 am-12:27 pm

1 stop8h 27m

$189

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

mar. 10/14

5:25 pm-10:14 pm

1 stop6h 49m

$234

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

mié. 9/10

6:15 am-1:40 pm

2 stops9h 25m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 15 results
1
2

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 August 8, 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 agosto 14, 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 agosto 14, 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
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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 $263, 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 $279 and $314, respectively. You may be able to fly from Green Bay to San Diego for 34% 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 Delta ($189), American Airlines ($194), and United Airlines ($234).

  • 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 San Diego?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Green Bay to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to San Francisco flights
Minneapolis to Las Vegas flights
O'Hare Intl to Ontario flights
O'Hare Intl to San Diego flights
O'Hare Intl to Santa Ana flights
Milwaukee to Las Vegas flights
Minneapolis to Los Angeles flights
Minneapolis to San Francisco flights
O'Hare Intl to Burbank flights
O'Hare Intl to Palm Springs flights
Minneapolis to San Diego flights
O'Hare Intl to Sacramento flights
O'Hare Intl to Oakland flights
Minneapolis to Santa Ana flights
Madison to Las Vegas flights
Minneapolis to Ontario flights
O'Hare Intl to San Jose flights
O'Hare Intl to Reno flights
Green Bay to Las Vegas flights
Minneapolis to San Jose flights
Minneapolis to Sacramento flights
Appleton to Las Vegas flights
O'Hare Intl to Fresno flights
Milwaukee to San Francisco flights
Milwaukee to San Diego flights
Milwaukee to Oakland flights
Minneapolis to Reno flights
Minneapolis to Palm Springs flights
Madison to San Francisco flights
Milwaukee to Sacramento flights
Madison to Los Angeles flights
Milwaukee to San Jose flights
Milwaukee to Los Angeles flights
Milwaukee to Ontario flights
Appleton to Los Angeles flights
Minneapolis to Burbank flights
Minneapolis to Fresno flights
Madison to San Diego flights
Minneapolis to Medford flights
Madison to Arcata flights
Milwaukee to Burbank flights
Minneapolis to Oakland flights
Madison to Ontario flights
Milwaukee to Santa Ana flights
Appleton to Santa Ana flights
Madison to Santa Ana flights
Madison to Palm Springs flights
Appleton to San Diego flights

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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$263Average$388FlexibilityNo cancel feeOn-time71%
DeltaCheapest$279Average$374FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$314Average$509FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.