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Oshkosh

$159+ Cheap flights from Dulles Intl (IAD) 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MKE
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to Oshkosh

Cheapest flights from Dulles Intl to Oshkosh
Explore the most affordable flight options available from Dulles Intl to Oshkosh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Delta deal was found by Cheapflights users on 1/20. 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.
Thu 2/197:00 am
IAD
-
ATW
1 stop5h 27m
Delta
Thu 2/266:50 am
ATW
-
IAD
1 stop4h 03m
Delta
Deal found 1/20$269
This Delta deal was found by Cheapflights users on 1/20. 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.
Tue 2/32:15 pm
IAD
-
ATW
1 stop8h 14m
Delta
Sun 2/86:45 am
ATW
-
IAD
1 stop4h 07m
Delta
Deal found 1/20$279
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/37:01 am
IAD
-
ATW
2 stops12h 00m
American Airlines
Sun 2/86:00 am
ATW
-
IAD
1 stop5h 36m
American Airlines
Deal found 1/20$284
This Delta deal was found by Cheapflights users on 1/20. 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.
Thu 2/127:00 am
IAD
-
ATW
1 stop5h 27m
Delta
Mon 2/166:25 pm
ATW
-
IAD
1 stop3h 44m
Delta
Deal found 1/20$294
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Thu 2/1910:10 am
IAD
-
ATW
1 stop12h 07m
Multiple Airlines
Thu 2/262:17 pm
ATW
-
IAD
1 stop16h 03m
Multiple Airlines
Deal found 1/20$333
This Delta deal was found by Cheapflights users on 1/20. 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 1/307:00 am
IAD
-
ATW
1 stop5h 23m
Delta
Sun 2/16:23 pm
ATW
-
IAD
1 stop3h 43m
Delta
Deal found 1/20$339
This American Airlines deal was found by Cheapflights users on 1/20. 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 1/307:01 am
IAD
-
ATW
2 stops11h 50m
American Airlines
Sun 2/16:00 am
ATW
-
IAD
1 stop5h 36m
American Airlines
Deal found 1/20$344
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 2/75:17 pm
IAD
-
ATW
1 stop5h 14m
United Airlines
Tue 2/106:15 am
ATW
-
IAD
1 stop4h 31m
United Airlines
Deal found 1/21$349

Find flight deals from Dulles Intl to Oshkosh

Keep the following information in mind while searching for Dulles Intl to Oshkosh flight deals. Data was last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$269
(Delta)

One-way from

$159
(Delta)

Popular in

April

Cheapest in

October

Average price

$322
Provider with most accurate pricing for Washington, D.C. (WAS)-Appleton Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Appleton Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Oshkosh
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Oshkosh
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 January 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Oshkosh that are best for you.

Fly from

Dulles Intl

Fly to

Oshkosh

Route

Depart

Return

Price

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 2/19

7:00 am-11:27 am

1 stop5h 27m

Appleton Intl

Thu 2/26

6:50 am-11:53 am

1 stop4h 03m

$269

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 2/6

8:20 am-2:09 pm

1 stop6h 49m

Appleton Intl

Tue 2/10

3:39 pm-9:17 pm

1 stop4h 38m

$279

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Tue 2/3

2:15 pm-9:29 pm

1 stop8h 14m

Appleton Intl

Sun 2/8

6:45 am-11:52 am

1 stop4h 07m

$279

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Wed 2/4

11:34 am-5:51 pm

2 stops7h 17m

Appleton Intl

Sun 2/8

6:00 am-12:36 pm

1 stop5h 36m

$284

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Tue 2/3

7:01 am-6:01 pm

2 stops12h 00m

Appleton Intl

Sun 2/8

12:39 pm-11:12 pm

2 stops9h 33m

$290

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 2/12

7:00 am-11:27 am

1 stop5h 27m

Appleton Intl

Mon 2/16

6:25 pm-11:09 pm

1 stop3h 44m

$294

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 3/19

7:00 am-11:25 am

1 stop5h 25m

Appleton Intl

Sun 3/22

6:13 pm-10:59 pm

1 stop3h 46m

$294

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 2/19

10:10 am-9:17 pm

1 stop12h 07m

Appleton Intl

Thu 2/26

2:17 pm-7:20 am

1 stop16h 03m

$333

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Wed 2/18

7:00 am-11:27 am

1 stop5h 27m

$159

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Wed 2/18

5:00 am-12:51 pm

2 stops8h 51m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 14 results
1
2

Best time to book a flight from Dulles Intl to Oshkosh

Have a flexible travel schedule? Discover the best time to fly to Oshkosh from Dulles Intl 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. Dulles Intl Airport to Oshkosh

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

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oshkosh (average of $153). Flying from Washington, D.C. Dulles Intl Airport to Oshkosh in December is currently the most expensive (average of $288). 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.

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 January 21, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Washington, D.C. Dulles Intl Airport 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.
Delta
7.9
Good
8,088 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,088 reviews
Delta
7.9
Good
8,088 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,191 reviews
Delta
7.9
Good
8,088 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Oshkosh?

    Airlines like Delta, United Airlines, and American Airlines fly from Washington, D.C. Dulles Intl Airport to Oshkosh in about 5h 27m. The time it takes to get you to your destination can typically vary by up to 1h 50m. Airlines will cover a distance of 678 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Dulles Intl to Oshkosh that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Oshkosh?

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

  • Can I find deals for business class flights from Dulles Intl to Oshkosh?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Oshkosh?

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oshkosh (average of $153). Flying from Washington, D.C. Dulles Intl Airport to Oshkosh in December is currently the most expensive (average of $288). 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

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Alternative routes for Dulles Intl to Oshkosh

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dulles Intl to Oshkosh

Discover the top 3 airlines that operate flights from Dulles Intl 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$406FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$409FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$346FlexibilityNo cancel feeOn-time71%

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