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Oshkosh

$189+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MKE
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$234
(Kiwi.com)

One-way from

$189
(American Airlines)

Popular in

October

Cheapest in

April

Average price

$537
Provider with most accurate pricing for San Diego-Appleton Intl flight deals.
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Provider most trusted by Cheapflights users for San Diego-Appleton Intl flights.
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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. 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 ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:47 pmSAN - ATW
1 stop20h 37mMultiple Airlines
Mon 12/86:00 amATW - SAN
1 stop8h 38mMultiple Airlines
Deal found 10/29$234
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:25 amSAN - ATW
2 stops30h 59mMultiple Airlines
Mon 12/86:00 amATW - SAN
1 stop8h 38mMultiple Airlines
Deal found 10/29$264
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:59 pmSAN - ATW
1 stop29h 24mMultiple Airlines
Sun 11/162:34 pmATW - SAN
1 stop28h 06mMultiple Airlines
Deal found 10/28$280
This Delta deal was found by Cheapflights users on 10/29. 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 12/27:20 amSAN - ATW
1 stop7h 54mDelta
Sat 12/66:00 amATW - SAN
1 stop9h 09mDelta
Deal found 10/29$289
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:11 amSAN - ATW
2 stops8h 21mUnited Airlines
Sun 12/75:20 pmATW - SAN
1 stop7h 10mUnited Airlines
Deal found 10/29$294
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:34 amSAN - ATW
2 stops13h 19mMultiple Airlines
Mon 12/86:00 amATW - SAN
1 stop8h 38mMultiple Airlines
Deal found 10/29$319
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:21 pmSAN - ATW
1 stop19h 17mMultiple Airlines
Thu 12/252:00 pmATW - SAN
1 stop24h 38mMultiple Airlines
Deal found 10/27$328
This Delta deal was found by Cheapflights users on 10/29. 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 12/27:20 amSAN - ATW
1 stop7h 54mDelta
Wed 12/1012:20 pmATW - SAN
2 stops13h 39mDelta
Deal found 10/29$347
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:37 pmSAN - ATW
2 stops31h 07mMultiple Airlines
Sat 11/157:00 amATW - SAN
1 stop15h 24mMultiple Airlines
Deal found 10/30$353

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 October 30, 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

Thu 11/13

3:59 pm-11:23 pm

1 stop29h 24m

Appleton Intl

Sun 11/16

2:34 pm-4:40 pm

1 stop28h 06m

$280

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Thu 12/4

12:24 pm-10:04 pm

1 stop7h 40m

Appleton Intl

Wed 12/10

4:18 pm-8:42 pm

1 stop6h 24m

$289

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Thu 12/4

12:24 pm-10:04 pm

1 stop7h 40m

Appleton Intl

Sat 12/6

4:18 pm-8:42 pm

1 stop6h 24m

$289

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Wed 12/3

7:20 am-5:14 pm

1 stop7h 54m

Appleton Intl

Sat 12/6

6:00 am-1:09 pm

1 stop9h 09m

$289

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Tue 12/2

6:20 am-3:38 pm

1 stop7h 18m

Appleton Intl

Sun 12/7

6:00 am-1:09 pm

1 stop9h 09m

$289

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Fri 12/5

11:05 am-10:04 pm

1 stop8h 59m

Appleton Intl

Wed 12/10

11:13 am-6:21 pm

1 stop9h 08m

$289

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Sat 12/6

11:36 am-8:51 pm

1 stop7h 15m

Appleton Intl

Tue 12/9

6:00 am-1:09 pm

1 stop9h 09m

$289

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Fri 12/5

11:05 am-10:04 pm

1 stop8h 59m

Appleton Intl

Tue 12/9

4:18 pm-8:42 pm

1 stop6h 24m

$289

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Wed 12/3

7:50 am-3:38 pm

1 stop5h 48m

Appleton Intl

Tue 12/9

11:13 am-6:21 pm

1 stop9h 08m

$289

San DiegoAppleton

SAN - ATW

SANATW

San Diego

Fri 12/5

11:05 am-10:04 pm

1 stop8h 59m

Appleton Intl

Sun 12/7

6:00 am-11:14 am

1 stop7h 14m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 15 results
1
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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

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

Currently, July is the cheapest month in which you can book a flight from San Diego to Oshkosh (average of $122). Flying from San Diego to Oshkosh in January is currently the most expensive (average of $279). 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 October 30, 2025.

One of the essential ways to save on airfare from San Diego to Oshkosh is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

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 Sunday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

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 October 30, 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
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

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
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

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
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

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
11,035 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

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.

  • How long is the flight from San Diego to Oshkosh?

    There are many flights that can get you from San Diego to Oshkosh in 7h 40m. Fly via Delta to get the fastest option. The distance from San Diego to Oshkosh is about 1730 mi.

  • 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 $366, our data indicates the cheapest price to be $262. The most popular route (San Diego - Appleton Intl), is priced around $280.

  • 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, July is the cheapest month in which you can book a flight from San Diego to Oshkosh (average of $122). Flying from San Diego to Oshkosh in January is currently the most expensive (average of $279). 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

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Alternative routes for San Diego to Oshkosh

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$119Average$305FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$168Average$257FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$256Average$459FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$256Average$473FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$412FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$269Average$452FlexibilityNo cancel feeOn-time71%

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