$151+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MKE
Sep 21 — Sep 281
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
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.Cheap flight deals from San Diego to Oshkosh
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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 August 22, 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 August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/224:54 pm -
2 stops52h 11m
Fri 10/25:29 pm -
1 stop24h 29m
Deal found 8/18![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/116:25 am -
1 stop14h 42m
Mon 9/216:30 am -
2 stops43h 21m
Deal found 8/20![Multiple Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 8/18. 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 9/223:20 pm -
1 stop5h 42m
Fri 10/24:19 pm -
1 stop6h 18m
Deal found 8/18![Delta logo]()
$341
This American Airlines deal was found by Cheapflights users on 8/19. 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 12/293:33 pm -
1 stop6h 26m
Sun 1/106:14 pm -
1 stop7h 27m
Deal found 8/19![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/20. 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 11/276:15 am -
1 stop8h 16m
Sat 11/285:33 pm -
1 stop8h 22m
Deal found 8/20![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 8/19. 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.
Sun 12/276:15 am -
1 stop8h 22m
Thu 1/711:10 am -
1 stop9h 17m
Deal found 8/19![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 10/146:51 pm -
2 stops16h 34m
Mon 10/195:29 pm -
1 stop24h 29m
Deal found 8/17![Multiple Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/222:15 pm -
1 stop6h 43m
Fri 10/28:50 am -
2 stops10h 36m
Deal found 8/19![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/2812:39 pm -
1 stop6h 09m
Sat 10/318:30 am -
1 stop6h 26m
Deal found 8/17![United Airlines logo]()
$423
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/11:38 pm -
1 stop7h 04m
Tue 9/85:48 pm -
1 stop7h 59m
Deal found 8/18![American Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 8/19. 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.
Sun 12/276:15 am -
1 stop8h 22m
Mon 1/116:30 am -
1 stop8h 30m
Deal found 8/19![Delta logo]()
$428
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 August 22, 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 August 22, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/222:15 pm -
1 stop6h 43m
Fri 10/28:50 am -
2 stops10h 36m
Deal found 8/19![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 8/19. 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.
Mon 9/213:20 pm -
1 stop5h 42m
Fri 10/24:19 pm -
1 stop6h 18m
Deal found 8/19![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/21. 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 1/67:00 am -
1 stop8h 53m
Sat 1/95:35 pm -
1 stop6h 22m
Deal found 8/21![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/2812:39 pm -
1 stop6h 09m
Sat 10/318:30 am -
1 stop6h 26m
Deal found 8/17![United Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 8/18. 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 11/2511:34 am -
1 stop7h 09m
Sat 11/285:33 pm -
1 stop8h 22m
Deal found 8/18![Delta logo]()
$471
Last-minute flights from San Diego to OshkoshDiscover last-minute flight deals from San Diego to Oshkosh. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Oshkosh. Data last updated August 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/18. 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 -
1 stop7h 01m
Wed 8/267:00 am -
1 stop9h 10m
Deal found 8/18![Delta logo]()
$508
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/11:38 pm -
1 stop7h 04m
Tue 9/85:48 pm -
1 stop7h 59m
Deal found 8/18![American Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 8/20. 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 9/41:11 pm -
1 stop8h 59m
Tue 9/85:48 pm -
1 stop7h 59m
Deal found 8/20![American Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/106:18 am -
1 stop7h 15m
Thu 9/1712:28 pm -
2 stops9h 34m
Deal found 8/20![United Airlines logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/116:25 am -
1 stop14h 42m
Mon 9/216:30 am -
2 stops43h 21m
Deal found 8/20![Multiple Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 8/19. 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.
Mon 9/213:20 pm -
1 stop5h 42m
Fri 10/24:19 pm -
1 stop6h 18m
Deal found 8/19![Delta logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Mon 9/216:25 am -
1 stop10h 40m
Fri 10/25:29 pm -
2 stops21h 24m
Deal found 8/19![Multiple Airlines logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/224:54 pm -
2 stops52h 11m
Fri 10/25:29 pm -
1 stop24h 29m
Deal found 8/18![Multiple Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 8/18. 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 9/223:20 pm -
1 stop5h 42m
Fri 10/24:19 pm -
1 stop6h 18m
Deal found 8/18![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/222:15 pm -
1 stop6h 43m
Fri 10/28:50 am -
2 stops10h 36m
Deal found 8/19![United Airlines logo]()
$409
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 August 22, 2026.
Search for one-way flight options from San Diego to Oshkosh. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Trip.com deal was found by Cheapflights users on 8/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:25 am -
1 stop10h 40m
Deal found 8/20![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/165:54 pm -
2 stops27h 11m
Deal found 8/17![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/177:04 pm -
2 stops26h 03m
Deal found 8/17![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sat 9/127:04 pm -
1 stop17h 35m
Deal found 8/21![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 10/166:25 am -
1 stop14h 42m
Deal found 8/20![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sat 10/176:25 am -
3 stops57h 56m
Deal found 8/20![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/23:45 pm -
2 stops21h 35m
Deal found 8/17![Multiple Airlines logo]()
$245
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/266:15 am -
1 stop9h 46m
Deal found 8/19![American Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Sat 9/266:25 am -
2 stops38h 40m
Deal found 8/19![Multiple Airlines logo]()
$253
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 August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $331 (Kiwi.com) |
One-way from | $151 (Kiwi.com) |
Popular in | April |
Cheapest in | December |
Average price | $449 |
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 7,457,451 searches. Data last updated August 22, 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
San DiegoAppleton
SAN San Diego - ATW Appleton Intl
SANATW
San Diego
Tue 9/22
2:15 pm-10:58 pm
1 stop6h 43m
Appleton Intl
Fri 10/2
8:50 am-5:26 pm
2 stops10h 36m
$409
San DiegoAppleton
SAN San Diego - ATW Appleton Intl
SANATW
San Diego
Wed 1/6
7:00 am-5:53 pm
1 stop8h 53m
Appleton Intl
Sat 1/9
5:35 pm-9:57 pm
1 stop6h 22m
$423
San DiegoAppleton
SAN San Diego - ATW Appleton Intl
SANATW
San Diego
Wed 10/28
12:39 pm-8:48 pm
1 stop6h 09m
Appleton Intl
Sat 10/31
8:30 am-12:56 pm
1 stop6h 26m
$423
Quickest round-trip
San DiegoAppleton
SAN San Diego - ATW Appleton Intl
SANATW
San Diego
Mon 9/21
3:20 pm-11:02 pm
1 stop5h 42m
Appleton Intl
Fri 10/2
4:19 pm-8:37 pm
1 stop6h 18m
$439
San DiegoAppleton
SAN San Diego - ATW Appleton Intl
SANATW
San Diego
Wed 11/25
11:34 am-8:43 pm
1 stop7h 09m
Appleton Intl
Sat 11/28
5:33 pm-11:55 pm
1 stop8h 22m
$471
Cheapest one-way
San DiegoAppleton
SAN San Diego - ATW Appleton Intl
SANATW
San Diego
Wed 9/16
5:54 pm-11:05 pm
2 stops27h 11m
$172
San DiegoAppleton
SAN San Diego - ATW Appleton Intl
SANATW
San Diego
Thu 9/17
7:04 pm-11:07 pm
2 stops26h 03m
$187
San DiegoAppleton
SAN San Diego - ATW Appleton Intl
SANATW
San Diego
Sat 9/12
9:03 am-11:05 pm
2 stops36h 02m
$197
San DiegoAppleton
SAN San Diego - ATW Appleton Intl
SANATW
San Diego
Wed 9/2
3:45 pm-3:20 pm
2 stops21h 35m
$245
San DiegoAppleton
SAN San Diego - ATW Appleton Intl
SANATW
San Diego
Sat 10/17
11:19 am-10:58 pm
2 stops9h 39m
$253
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 August 22, 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?
Airfare is below average for this route at the moment.
San Diego to Oshkosh flights typically cost between $340 and $460 in September.The cheapest round-trip price found within the last 5 days was $331 on Multiple Airlines (Sep 22-Oct 2).
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 August 22, 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
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
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 August 22, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.
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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 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$145 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$203 | Average$400 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$439 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$272 | Average$476 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$492 | FlexibilityNo cancel fee | On-time71% |