HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oshkosh

$107+ Cheap flights from Washington, D.C. (WAS) 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MKE
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. 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 Washington, D.C. to Oshkosh

Keep the following information in mind while searching for Washington, D.C. to Oshkosh flight deals. Data was last updated September 16, 2025.

Round-trip from

$249
(Delta)

One-way from

$107
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$438
From Washington, D.C. (WAS) to Oshkosh
Search Deals
One-way flight from Washington, D.C. (WAS) to Oshkosh
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($158 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Washington, D.C. to Oshkosh

Cheapest flights from Washington, D.C. to Oshkosh
Explore the most affordable flight options available from Washington, D.C. to Oshkosh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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 10/184:44 pmBWI - ATW
1 stop5h 58mDelta
Wed 10/225:35 pmATW - BWI
1 stop4h 27mDelta
Deal found 9/15$249
This Delta deal was found by Cheapflights users on 9/15. 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 11/56:10 amDCA - ATW
1 stop6h 15mDelta
Mon 11/106:11 pmATW - DCA
1 stop3h 53mDelta
Deal found 9/15$249
This Delta deal was found by Cheapflights users on 9/15. 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 10/185:52 pmIAD - ATW
1 stop4h 50mDelta
Wed 10/225:35 pmATW - IAD
1 stop4h 25mDelta
Deal found 9/15$249
This Delta deal was found by Cheapflights users on 9/15. 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 9/306:15 amIAD - ATW
1 stop6h 13mDelta
Sat 10/45:15 pmATW - IAD
1 stop5h 11mDelta
Deal found 9/15$259
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/115:15 pmIAD - ATW
1 stop5h 18mUnited Airlines
Tue 10/146:45 pmATW - IAD
1 stop4h 36mUnited Airlines
Deal found 9/14$266
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:00 amBWI - ATW
1 stop6h 25mDelta
Tue 11/45:35 pmATW - BWI
1 stop4h 27mDelta
Deal found 9/15$274
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 12/116:00 amBWI - ATW
1 stop6h 40mDelta
Sun 12/146:11 pmATW - BWI
1 stop3h 51mDelta
Deal found 9/15$294
This Delta deal was found by Cheapflights users on 9/15. 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 11/116:10 amDCA - ATW
1 stop6h 23mDelta
Thu 11/136:11 pmATW - DCA
1 stop3h 53mDelta
Deal found 9/15$297
This Delta deal was found by Cheapflights users on 9/15. 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 11/56:10 amDCA - ATW
1 stop6h 15mDelta
Sat 11/87:01 amATW - DCA
2 stops9h 59mDelta
Deal found 9/15$307
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/148:09 amIAD - ATW
1 stop7h 43mAmerican Airlines
Tue 10/216:00 amATW - IAD
2 stops6h 48mAmerican Airlines
Deal found 9/14$316
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 11/66:00 amDCA - ATW
1 stop11h 47mDelta
Sat 11/84:17 pmATW - DCA
1 stop6h 08mDelta
Deal found 9/15$317
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/85:59 amDCA - ATW
1 stop4h 10mAmerican Airlines
Mon 11/103:48 pmATW - DCA
1 stop7h 08mAmerican Airlines
Deal found 9/15$318

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 September 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Oshkosh that are best for you.

Fly from

Washington, D.C.

Fly to

Oshkosh

Route

Depart

Return

Price

BaltimoreAppleton

BWI - ATW

BWIATW

Baltimore/Washington

Sat 2/21

6:00 am-10:35 am

1 stop5h 35m

Appleton Intl

Wed 2/25

4:05 pm-11:50 pm

1 stop6h 45m

$249

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 10/11

5:00 pm-9:33 pm

1 stop5h 33m

Appleton Intl

Tue 10/14

2:45 pm-10:43 pm

1 stop6h 58m

$249

BaltimoreAppleton

BWI - ATW

BWIATW

Baltimore/Washington

Sat 10/18

4:44 pm-9:42 pm

1 stop5h 58m

Appleton Intl

Wed 10/22

5:35 pm-11:02 pm

1 stop4h 27m

$249

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 10/18

6:00 am-10:31 am

1 stop5h 31m

Appleton Intl

Wed 10/22

11:11 am-6:59 pm

1 stop6h 48m

$249

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 2/21

6:10 am-11:21 am

1 stop6h 11m

Appleton Intl

Tue 2/24

5:20 pm-10:56 pm

1 stop4h 36m

$249

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Wed 11/5

6:10 am-11:25 am

1 stop6h 15m

Appleton Intl

Mon 11/10

6:11 pm-11:04 pm

1 stop3h 53m

$249

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Wed 11/5

6:10 am-11:25 am

1 stop6h 15m

Appleton Intl

Sat 11/8

4:57 pm-10:59 pm

1 stop5h 02m

$249

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sat 2/21

11:00 am-4:42 pm

1 stop6h 42m

Appleton Intl

Wed 2/25

5:20 pm-11:02 pm

1 stop4h 42m

$249

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sat 10/18

5:52 pm-9:42 pm

1 stop4h 50m

Appleton Intl

Wed 10/22

5:35 pm-11:00 pm

1 stop4h 25m

$249

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Tue 10/14

6:18 am-11:25 am

1 stop6h 07m

Appleton Intl

Tue 10/21

5:35 pm-11:00 pm

1 stop4h 25m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 48 results
1
2
3
...
5

Best time to book a flight from Washington, D.C. to Oshkosh

Have a flexible travel schedule? Discover the best time to fly to Oshkosh from Washington, D.C. 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 Washington, D.C. to Oshkosh

What is the cheapest month to book a flight from Washington, D.C. to Oshkosh?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Oshkosh (average of $280). Flying from Washington, D.C. to Oshkosh in June is currently the most expensive (average of $376). 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 WAS to OS9?

Find hourly flight availability from Washington, D.C. 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Oshkosh as you normally would.

What is the cheapest day to fly from Washington, D.C. to Oshkosh?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Oshkosh. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Oshkosh flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday mornings 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 Washington, D.C. 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 September 16, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Washington, D.C. to Oshkosh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Oshkosh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Oshkosh?

    A quick flight from Washington, D.C. to Oshkosh can take about 5h 35m. Delta provides one of the quickest options available for as low as $249. The distance between Washington, D.C. and Oshkosh is about 703 mi.

  • What are the cheapest airlines to fly from Washington, D.C. to Oshkosh one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Oshkosh are Delta ($149), American Airlines ($159), and Allegiant Air ($170).

  • What are the most popular routes from Washington, D.C. to Oshkosh?

    The most popular route from Washington, D.C. to Oshkosh is Baltimore/Washington - Appleton Intl. You may also consider Washington, D.C. Dulles Intl - Appleton Intl or Washington, D.C. Reagan-National - Appleton Intl.

  • Can I find deals for flights from Washington, D.C. to Oshkosh that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Oshkosh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Oshkosh?

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

  • Can I find deals for business class flights from Washington, D.C. to Oshkosh?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Oshkosh?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Oshkosh (average of $280). Flying from Washington, D.C. to Oshkosh in June is currently the most expensive (average of $376). 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

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 Washington, D.C. to Oshkosh

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Minneapolis flights
Reagan-National to Minneapolis flights
Reagan-National to Milwaukee flights
Reagan-National to Madison flights
Dulles Intl to Milwaukee flights
Dulles Intl to Madison flights
Dulles Intl to Green Bay flights
Dulles Intl to Appleton flights
Reagan-National to Green Bay flights
Reagan-National to Appleton flights
Dulles Intl to Duluth flights
Reagan-National to Duluth flights
Dulles Intl to Rhinelander flights
Reagan-National to Rhinelander flights
Dulles Intl to Eau Claire flights
Dulles Intl to Wausau flights
Reagan-National to Eau Claire flights
Dulles Intl to Escanaba flights
Reagan-National to Escanaba flights
Reagan-National to Dubuque flights
Reagan-National to Wausau flights
Reagan-National to La Crosse flights
Dulles Intl to La Crosse flights
Dulles Intl to Dubuque flights

Top 5 airlines flying from Washington, D.C. to Oshkosh

Discover the top 5 airlines that operate flights from Washington, D.C. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$60Average$140FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$127Average$406FlexibilityNo cancel feeOn-time69%
DeltaCheapest$155Average$377FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$418FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$220Average$355FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.