In terms of precipitation, rainfall in Oshkosh ranges from 1.1 - 3.8 inches per month. June is typically the wettest month, when rainfall can reach 3.8 in. February is typically the driest time to visit Oshkosh when rainfall is around 1.1 in.

If weather is an important factor for your trip to Oshkosh, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

What is the cheapest time of day to fly from GRR to OS9?

When flying from Grand Rapids to Oshkosh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Grand Rapids to Oshkosh?

For a flight from Grand Rapids to Oshkosh, you will be flying from Gerald R. Ford Intl. Grand Rapids Gerald R. Ford Intl (GRR) is just 9.2 mi from the center of the city. Gerald R. Ford Intl is the only Grand Rapids airport and it handles 0 outbound flights to Oshkosh per day. 2 airlines have flights to Oshkosh from Grand Rapids Gerald R. Ford Intl on a regular basis.

Can I find deals for flights from Grand Rapids to Oshkosh that include hotel bookings?

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

How can I find direct flights from Grand Rapids to Oshkosh?

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

Can I find deals for business class flights from Grand Rapids to Oshkosh?

Yes. Cheapflights offers flight deals from Grand Rapids 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.

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Find flight deals from Grand Rapids to Oshkosh

Popular in	July
Cheapest in	December
Average price	$609

Highest demand for flights based on searches. 12% potential increase in price ($58 potential increase over avg. RT price).

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Cheapest flight prices on average. 9% potential price decrease ($38 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Reviews of airlines servicing Oshkosh

Peruse reviews from past customers who have flown with United Airlines and American Airlines from Grand Rapids to Oshkosh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,315 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.4

Good

10,315 reviews

United Airlines

7.4

Good

10,315 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

American Airlines

7.0

Good

12,138 reviews

United Airlines

7.4

Good

10,315 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

What airport do you fly from for flights from Grand Rapids to Oshkosh?
For a flight from Grand Rapids to Oshkosh, you will be flying from Gerald R. Ford Intl. Grand Rapids Gerald R. Ford Intl (GRR) is just 9.2 mi from the center of the city. Gerald R. Ford Intl is the only Grand Rapids airport and it handles 0 outbound flights to Oshkosh per day. 2 airlines have flights to Oshkosh from Grand Rapids Gerald R. Ford Intl on a regular basis.
Can I find deals for flights from Grand Rapids to Oshkosh that include hotel bookings?
Yes. In addition to deals on Grand Rapids to Oshkosh flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Grand Rapids to Oshkosh?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Rapids to Oshkosh.
Can I find deals for business class flights from Grand Rapids to Oshkosh?
Yes. Cheapflights offers flight deals from Grand Rapids 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.

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Top 2 airlines flying from Grand Rapids to Oshkosh

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$174	Average$352	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$283	Average$388	FlexibilityNo cancel fee	On-time71%

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Find cheap flights from Grand Rapids to Oshkosh with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Grand Rapids to Oshkosh

Popular in

Cheapest in

Average price

Reviews of airlines servicing Oshkosh

Peruse reviews from past customers who have flown with United Airlines and American Airlines from Grand Rapids to Oshkosh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Grand Rapids to Oshkosh?

Can I find deals for flights from Grand Rapids to Oshkosh that include hotel bookings?

How can I find direct flights from Grand Rapids to Oshkosh?

Can I find deals for business class flights from Grand Rapids to Oshkosh?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Grand Rapids to Oshkosh

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Oshkosh by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Grand Rapids to Oshkosh by cabin class

Find flights from Grand Rapids to Oshkosh, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Grand Rapids and Oshkosh flights

Browse other Grand Rapids and Oshkosh flight options. Last updated on October 8, 2026.

Other flights from Grand Rapids

Browse through other flights departing from Grand Rapids. Flights are based on user searches made on Cheapflights and were last updated on October 8, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Grand Rapids to Oshkosh

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Cheap flights from Grand Rapids (GRR) to Oshkosh, WI

Find cheap flights from Grand Rapids to Oshkosh with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Grand Rapids to Oshkosh

Popular in

Cheapest in

Average price

Reviews of airlines servicing Oshkosh

Peruse reviews from past customers who have flown with United Airlines and American Airlines from Grand Rapids to Oshkosh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Grand Rapids to Oshkosh?

Can I find deals for flights from Grand Rapids to Oshkosh that include hotel bookings?

How can I find direct flights from Grand Rapids to Oshkosh?

Can I find deals for business class flights from Grand Rapids to Oshkosh?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Grand Rapids to Oshkosh

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Oshkosh by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Grand Rapids to Oshkosh by cabin class

Find flights from Grand Rapids to Oshkosh, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Grand Rapids and Oshkosh flights

Browse other Grand Rapids and Oshkosh flight options. Last updated on October 8, 2026.

Other flights from Grand Rapids

Browse through other flights departing from Grand Rapids. Flights are based on user searches made on Cheapflights and were last updated on October 8, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Grand Rapids to Oshkosh

100% Free

Book with Flexibility

Travel Smart