$147+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MKE
Aug 3 — Aug 101
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Oshkosh 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Diego to Oshkosh
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One-way
Cheapest flights from San Diego to OshkoshExplore 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 4, 2026.
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 4, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:20 pm
SAN
- ATW
1 stop5h 42m
Delta
Sun 9/136:00 am
ATW
- SAN
1 stop6h 44m
Delta
Deal found 6/30![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:26 am
SAN
- ATW
1 stop7h 11m
Delta
Sun 10/115:25 pm
ATW
- SAN
1 stop8h 14m
Delta
Deal found 7/3![Delta logo]()
$384
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:03 pm
SAN
- ATW
1 stop22h 07m
Multiple Airlines
Fri 7/317:00 am
ATW
- SAN
1 stop15h 06m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:10 pm
SAN
- ATW
1 stop8h 45m
American Airlines
Sat 9/266:31 pm
ATW
- SAN
1 stop6h 54m
American Airlines
Deal found 7/2![American Airlines logo]()
$388
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:29 am
SAN
- ATW
1 stop7h 01m
Delta
Wed 8/267:00 am
ATW
- SAN
1 stop9h 10m
Delta
Deal found 6/30![Delta logo]()
$400
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.
Sat 12/126:20 am
SAN
- ATW
1 stop8h 21m
Delta
Sun 12/2011:10 am
ATW
- SAN
1 stop9h 17m
Delta
Deal found 6/29![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:08 pm
SAN
- ATW
1 stop6h 54m
United Airlines
Sat 10/318:00 am
ATW
- SAN
1 stop9h 12m
United Airlines
Deal found 7/2![United Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:37 pm
SAN
- ATW
1 stop6h 17m
United Airlines
Sat 9/266:25 am
ATW
- SAN
2 stops11h 15m
United Airlines
Deal found 7/3![United Airlines logo]()
$436
Best flights from San Diego to OshkoshDiscover carefully curated flight deals from San Diego to Oshkosh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 4, 2026.
Discover carefully curated flight deals from San Diego to Oshkosh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 4, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:20 pm
SAN
- ATW
1 stop5h 42m
Delta
Sun 9/136:00 am
ATW
- SAN
1 stop6h 44m
Delta
Deal found 6/30![Delta logo]()
$331
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:03 pm
SAN
- ATW
1 stop22h 07m
Multiple Airlines
Fri 7/317:00 am
ATW
- SAN
1 stop15h 06m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$386
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 am
SAN
- ATW
1 stop9h 46m
American Airlines
Sun 9/136:31 pm
ATW
- SAN
1 stop6h 54m
American Airlines
Deal found 6/29![American Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:08 pm
SAN
- ATW
1 stop6h 54m
United Airlines
Sat 10/318:00 am
ATW
- SAN
1 stop9h 12m
United Airlines
Deal found 7/3![United Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:26 am
SAN
- ATW
1 stop7h 11m
Delta
Sun 10/115:25 pm
ATW
- SAN
1 stop8h 14m
Delta
Deal found 7/3![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:37 pm
SAN
- ATW
1 stop6h 17m
United Airlines
Sat 9/266:25 am
ATW
- SAN
2 stops11h 15m
United Airlines
Deal found 7/3![United Airlines logo]()
$436
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:29 am
SAN
- ATW
1 stop7h 01m
Delta
Wed 8/267:00 am
ATW
- SAN
1 stop9h 10m
Delta
Deal found 6/30![Delta logo]()
$400
Last-minute flights from San Diego to OshkoshDiscover last-minute flight deals from San Diego to Oshkosh. Data last updated July 4, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Oshkosh. Data last updated July 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:30 pm
SAN
- ATW
2 stops11h 13m
United Airlines
Sat 7/42:40 pm
ATW
- SAN
2 stops11h 14m
United Airlines
Deal found 7/3![United Airlines logo]()
$451
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:15 am
SAN
- ATW
1 stop9h 46m
American Airlines
Mon 7/205:00 am
ATW
- SAN
1 stop6h 04m
American Airlines
Deal found 6/29![American Airlines logo]()
$458
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:30 am
SAN
- ATW
1 stop9h 15m
American Airlines
Sun 7/195:00 am
ATW
- SAN
1 stop6h 04m
American Airlines
Deal found 7/1![American Airlines logo]()
$441
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:03 pm
SAN
- ATW
1 stop22h 07m
Multiple Airlines
Fri 7/317:00 am
ATW
- SAN
1 stop15h 06m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:03 pm
SAN
- ATW
1 stop22h 07m
Multiple Airlines
Sun 8/22:44 pm
ATW
- SAN
2 stops49h 24m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$471
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:29 am
SAN
- ATW
1 stop7h 01m
Delta
Wed 8/267:00 am
ATW
- SAN
1 stop9h 10m
Delta
Deal found 6/30![Delta logo]()
$400
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.
Fri 8/211:38 pm
SAN
- ATW
1 stop7h 04m
American Airlines
Wed 8/265:41 am
ATW
- SAN
2 stops10h 33m
American Airlines
Deal found 6/30![American Airlines logo]()
$480
One-way flights from San Diego to OshkoshSearch for one-way flight options from San Diego to Oshkosh. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
Search for one-way flight options from San Diego to Oshkosh. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:03 pm
SAN
- ATW
1 stop22h 07m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$147
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:38 pm
SAN
- ATW
1 stop7h 04m
American Airlines
Deal found 7/1![American Airlines logo]()
$179
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:15 am
SAN
- ATW
1 stop9h 24m
American Airlines
Deal found 6/29![American Airlines logo]()
$190
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:11 pm
SAN
- ATW
1 stop8h 59m
American Airlines
Deal found 7/1![American Airlines logo]()
$233
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:19 pm
SAN
- ATW
1 stop5h 37m
Delta
Deal found 6/30![Delta logo]()
$262
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.
Tue 7/286:40 am
SAN
- ATW
1 stop8h 14m
United Airlines
Deal found 7/1![United Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:45 pm
SAN
- ATW
2 stops14h 17m
United Airlines
Deal found 7/3![United Airlines logo]()
$288
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.
Sat 7/113:19 pm
SAN
- ATW
1 stop5h 37m
Delta
Deal found 6/29![Delta logo]()
$294
Find 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $331 (Delta) |
One-way from | $147 (Kiwi.com) |
Popular in | April |
Cheapest in | September |
Average price | $589 |
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 4, 2026.
Use the filters below to find and compare flights from San Diego to Oshkosh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San DiegoAppleton
SAN - ATW
SANATW
San Diego
Wed 9/9
3:20 pm-11:02 pm
1 stop5h 42m
Appleton Intl
Sun 9/13
6:00 am-10:44 am
1 stop6h 44m
$331
San DiegoAppleton
SAN - ATW
SANATW
San Diego
Fri 10/9
11:26 am-8:37 pm
1 stop7h 11m
Appleton Intl
Sun 10/11
5:25 pm-11:39 pm
1 stop8h 14m
$384
San DiegoAppleton
SAN - ATW
SANATW
San Diego
Tue 7/28
3:03 pm-3:10 pm
1 stop22h 07m
Appleton Intl
Fri 7/31
7:00 am-8:06 pm
1 stop15h 06m
$386
San DiegoAppleton
SAN - ATW
SANATW
San Diego
Wed 9/9
6:15 am-6:01 pm
1 stop9h 46m
Appleton Intl
Sun 9/13
6:31 pm-11:25 pm
1 stop6h 54m
$400
San DiegoAppleton
SAN - ATW
SANATW
San Diego
Fri 8/21
6:29 am-3:30 pm
1 stop7h 01m
Appleton Intl
Wed 8/26
7:00 am-2:10 pm
1 stop9h 10m
$400
San DiegoAppleton
SAN - ATW
SANATW
San Diego
Wed 10/28
2:08 pm-11:02 pm
1 stop6h 54m
Appleton Intl
Sat 10/31
8:00 am-3:12 pm
1 stop9h 12m
$413
San DiegoAppleton
SAN - ATW
SANATW
San Diego
Wed 9/23
12:37 pm-8:54 pm
1 stop6h 17m
Appleton Intl
Sat 9/26
6:25 am-3:40 pm
2 stops11h 15m
$436
Cheapest one-way
San DiegoAppleton
SAN - ATW
SANATW
San Diego
Sat 10/3
1:50 pm-10:39 pm
1 stop6h 49m
$191
Quickest one-way
San DiegoAppleton
SAN - ATW
SANATW
San Diego
Tue 7/14
3:19 pm-10:56 pm
1 stop5h 37m
$262
San DiegoAppleton
SAN - ATW
SANATW
San Diego
Mon 7/13
11:37 am-9:37 pm
1 stop8h 00m
$262
Showing 1-10 of 14 resultsSorted by cheapest first
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.
SAN-ATW
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
SAN-OS9
SAN-ATW
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 4, 2026.
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.
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 July 4, 2026.
Read through reviews of airlines operating flights from San Diego to Oshkosh, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
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.
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San Diego and Oshkosh flights
Browse other San Diego and Oshkosh flight options. Last updated on July 4, 2026.
Other flights from San Diego
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San Diego to Oshkosh flights
Consider these flights traveling from San Diego to Oshkosh.
Top 5 airlines flying from San Diego to Oshkosh
Discover the top 5 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$286 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$203 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$433 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$270 | Average$473 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$272 | Average$478 | FlexibilityNo cancel fee | On-time69% |