HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oshkosh

$169+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MKE
Apr 7 — Apr 141
Di 4/7
Di 4/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl 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 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 März 8, 2026.

This Delta deal was found by Cheapflights users on 3/5. 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.
Di 6/234:00 pm
IAD
-
ATW
1 stop6h 58m
Delta
Sa 7/45:29 am
ATW
-
IAD
1 stop5h 32m
Delta
Deal found 3/5$289
This Delta deal was found by Cheapflights users on 3/7. 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.
Mi 3/257:00 am
IAD
-
ATW
1 stop5h 25m
Delta
Sa 4/46:13 pm
ATW
-
IAD
1 stop3h 46m
Delta
Deal found 3/7$294
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
So 7/193:16 pm
IAD
-
ATW
1 stop17h 55m
Multiple Airlines
So 7/262:44 pm
ATW
-
IAD
1 stop24h 49m
Multiple Airlines
Deal found 3/4$308
This Delta deal was found by Cheapflights users on 3/5. 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.
Mo 6/225:25 pm
IAD
-
ATW
1 stop5h 33m
Delta
Sa 7/45:20 pm
ATW
-
IAD
1 stop4h 39m
Delta
Deal found 3/5$314
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Do 4/28:20 am
IAD
-
ATW
1 stop4h 38m
United Airlines
Mo 4/65:35 pm
ATW
-
IAD
1 stop5h 57m
United Airlines
Deal found 3/3$328
This Delta deal was found by Cheapflights users on 3/7. 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.
Mi 3/187:00 am
IAD
-
ATW
1 stop5h 25m
Delta
Mi 3/256:13 pm
ATW
-
IAD
1 stop3h 46m
Delta
Deal found 3/7$329
This Delta deal was found by Cheapflights users on 3/6. 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.
Fr 4/246:00 am
IAD
-
ATW
1 stop5h 31m
Delta
So 4/266:19 pm
ATW
-
IAD
1 stop3h 44m
Delta
Deal found 3/6$334
This Delta deal was found by Cheapflights users on 3/5. 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.
Mo 6/225:25 pm
IAD
-
ATW
1 stop5h 33m
Delta
Mi 7/15:20 pm
ATW
-
IAD
1 stop4h 39m
Delta
Deal found 3/5$339
This Delta deal was found by Cheapflights users on 3/5. 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.
Mi 6/246:00 am
IAD
-
ATW
1 stop7h 46m
Delta
Sa 7/45:20 pm
ATW
-
IAD
1 stop4h 39m
Delta
Deal found 3/5$353
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Sa 8/298:15 am
IAD
-
ATW
1 stop4h 31m
United Airlines
Mi 9/26:25 am
ATW
-
IAD
1 stop4h 22m
United Airlines
Deal found 3/3$359
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sa 9/53:40 pm
IAD
-
ATW
1 stop4h 32m
United Airlines
Mo 9/76:25 am
ATW
-
IAD
1 stop4h 22m
United Airlines
Deal found 3/6$360
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Fr 9/116:15 am
IAD
-
ATW
1 stop6h 31m
United Airlines
Mo 9/145:27 pm
ATW
-
IAD
1 stop6h 17m
United Airlines
Deal found 3/3$369

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 März 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Delta)

One-way from

$169
(Delta)

Popular in

March

Cheapest in

October

Average price

$552
Provider with most accurate pricing for Washington, D.C. (WAS)-Appleton Intl flight deals.
Search Deals
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. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 März 8, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Do 4/2

8:20 am-11:58 am

1 stop4h 38m

Appleton Intl

Mo 4/6

5:35 pm-12:32 am

1 stop5h 57m

$328

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Mi 6/24

6:00 am-12:46 pm

1 stop7h 46m

Appleton Intl

Fr 7/3

5:20 pm-10:59 pm

1 stop4h 39m

$353

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Mi 6/24

6:00 am-12:46 pm

1 stop7h 46m

Appleton Intl

Mo 6/29

5:20 pm-10:59 pm

1 stop4h 39m

$353

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sa 8/29

3:40 pm-9:13 pm

1 stop6h 33m

Appleton Intl

Mi 9/2

5:27 pm-12:44 am

1 stop6h 17m

$359

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Mi 4/15

10:10 am-3:11 pm

1 stop6h 01m

Appleton Intl

Sa 4/18

6:15 am-11:48 am

1 stop4h 33m

$359
Quickest round-trip

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fr 3/20

1:15 pm-4:44 pm

1 stop4h 29m

Appleton Intl

Di 3/24

3:41 pm-8:37 pm

1 stop3h 56m

$438

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Mi 4/1

6:00 am-10:32 am

1 stop5h 32m

Appleton Intl

Mo 4/6

6:25 pm-10:59 pm

1 stop3h 34m

$442
Cheapest one-way

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

So 4/26

6:15 am-11:58 am

1 stop6h 43m

$169

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Di 6/9

6:00 am-10:27 am

1 stop5h 27m

$184

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Di 6/9

3:39 pm-9:21 pm

1 stop6h 42m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 19 resultsSorted by cheapest first
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 February is currently the most expensive (average of $298). 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 März 8, 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
8,269 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
8,269 reviews
Delta
7.9
Good
8,269 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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
9,405 reviews
Delta
7.9
Good
8,269 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Crew

8.5

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 and United Airlines fly from Washington, D.C. Dulles Intl Airport to Oshkosh in about 4h 38m. The time it takes to get you to your destination can typically vary by up to 55m. 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 February is currently the most expensive (average of $298). 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.

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 März 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$420FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$395FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$310FlexibilityNo cancel feeOn-time71%

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.