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Oshkosh

$118+ Cheap flights from San Diego (SAN) to Oshkosh, WI

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MKE
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Oshkosh are usually found in April or October, booked 49 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from San Diego to Oshkosh

Keep the following information in mind while searching for San Diego to Oshkosh flight deals. Data was last updated July 29, 2025.

Round-trip from

$289
(Delta)

One-way from

$118
(Mytrip)

Popular in

August

Cheapest in

April

Average price

$438
From San Diego to Oshkosh
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One-way flight from San Diego to Oshkosh
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Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 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 San Diego to Oshkosh

Cheapest flights from San Diego to Oshkosh
Explore the most affordable flight options available from San Diego to Oshkosh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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 9/167:45 amSAN - ATW
1 stop5h 51mDelta
Wed 9/246:20 amATW - SAN
1 stop6h 37mDelta
Deal found 7/29$289
This United Airlines deal was found by Cheapflights users on 7/28. 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 11/1911:20 amSAN - ATW
2 stops8h 13mUnited Airlines
Tue 11/255:21 pmATW - SAN
1 stop6h 59mUnited Airlines
Deal found 7/28$311
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:30 amSAN - ATW
1 stop8h 02mAmerican Airlines
Wed 9/246:33 amATW - SAN
2 stops10h 48mAmerican Airlines
Deal found 7/29$344
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:15 amSAN - ATW
1 stop7h 00mMultiple Airlines
Thu 8/147:00 amATW - SAN
2 stops18h 37mMultiple Airlines
Deal found 7/28$463

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Oshkosh 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 29, 2025.
Use the filters below to find and compare flights from San Diego to Oshkosh that are best for you.

Fly from

San Diego

Fly to

Oshkosh

Route

Depart

Return

Price

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Tue 9/16

7:45 am-3:36 pm

1 stop5h 51m

Appleton Intl

Wed 9/24

6:20 am-10:57 am

1 stop6h 37m

$289

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Wed 11/19

11:20 am-9:33 pm

2 stops8h 13m

Appleton Intl

Tue 11/25

5:21 pm-10:20 pm

1 stop6h 59m

$311

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Tue 9/16

11:30 am-9:32 pm

1 stop8h 02m

Appleton Intl

Wed 9/24

6:33 am-3:21 pm

2 stops10h 48m

$344

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Mon 8/11

6:15 am-3:15 pm

1 stop7h 00m

Appleton Intl

Thu 8/14

7:00 am-11:37 pm

2 stops18h 37m

$463

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Thu 10/16

6:15 am-3:23 pm

1 stop7h 08m

$118

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Sun 9/7

10:38 pm-9:06 am

1 stop8h 28m

$179

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Fri 12/5

10:34 pm-11:50 am

2 stops11h 16m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Best time to book a flight from San Diego to Oshkosh

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Oshkosh. Price data was last updated on July 25, 2025.

The price you pay for your flight from San Diego to Oshkosh may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from San Diego to Oshkosh (average of $280). Flying from San Diego to Oshkosh in June is currently the most expensive (average of $376). 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 SAN to OS9?

Find hourly flight availability from San Diego to Oshkosh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Oshkosh as you normally would.

What is the cheapest day to fly from San Diego to Oshkosh?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Oshkosh. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Oshkosh flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Oshkosh

Get insights into the airlines that provide service to Oshkosh. 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 Oshkosh. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from San Diego to Oshkosh, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Diego to Oshkosh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Oshkosh?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly out of when you book flights from San Diego to Oshkosh. 6 airlines have flights from San Diego to Oshkosh on a regular basis. Booking flights from San Diego to Oshkosh should not be difficult; the airport handles an average of 0 outbound flights to Oshkosh per day.

  • What are the cheapest flights from San Diego to Oshkosh?

    Looking for the cheapest flight from San Diego to Oshkosh? While on average our users pay $361, our data indicates the cheapest price to be $129. The most popular route (San Diego - Appleton Intl), is priced around $311.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Oshkosh.

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

    Yes. Cheapflights offers flight deals from San Diego to Oshkosh 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 San Diego to Oshkosh?

    Currently, February is the cheapest month in which you can book a flight from San Diego to Oshkosh (average of $280). Flying from San Diego to Oshkosh in June is currently the most expensive (average of $376). 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.

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Top 6 airlines flying from San Diego to Oshkosh

Discover the top 6 airlines that operate flights from San Diego to Oshkosh. 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$119Average$297FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$151Average$251FlexibilityNo cancel feeOn-time65%
DeltaCheapest$256Average$416FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$267Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$285Average$540FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$337Average$460FlexibilityNo cancel feeOn-time63%

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