Cheap Flights from Portland (PDX) to Oshkosh (OSH)

Popular airlines from Portland International Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional)

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Alternative airports near Oshkosh

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Appleton Intl. ATW. Cheapest option available. Average driving time to city center is 25 minutes. Flights from $634
ATW
Appleton Intl.
Cheapest
Average driving time to city center25 min
Flights from $634

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional) cost?
Snag a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional)?
is the cheapest month to fly from PDX to OSH. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from PDX to OSH. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Portland Intl. Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional)?
There are no daily direct flights departing from Portland Intl. Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PDX to OSH?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional)?
Book a flight from Portland Intl. Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional) last-minute?
Last-minute fares from PDX to OSH are typically more expensive. To lock in the lowest prices, start looking for flights well ahead of time. That said, if you're flexible with your travel plans, you may score a cheap ticket just before your departure.
Is it cheaper to book a PDX to OSH flight and hotel package?
You'll generally save money by booking a PDX to OSH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Oshkosh, WI (OSH-Wittman Regional)?
It's generally possible to cancel or reschedule your PDX to OSH flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
Wittman Regional
Distance
1659 mi

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Portland to Oshkosh Flights

The cheapest times to fly from Portland to Oshkosh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Oshkosh are during the month of . You can find some of the cheapest flights from Portland to Oshkosh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Oshkosh

Sunday is one of the best days to book for cheap flights from Portland to Oshkosh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Oshkosh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Oshkosh in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Oshkosh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Oshkosh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Oshkosh Flights

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