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Oshkosh

$157+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MKE
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
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 August 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/274:52 pm
IAD
-
ATW
1 stop7h 20m
Multiple Airlines
Sun 8/304:17 pm
ATW
-
IAD
1 stop16h 33m
Multiple Airlines
Deal found 8/1$236
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sat 9/58:39 pm
IAD
-
ATW
2 stops27h 26m
Multiple Airlines
Fri 9/112:27 pm
ATW
-
IAD
1 stop18h 50m
Multiple Airlines
Deal found 7/31$257
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/274:52 pm
IAD
-
ATW
1 stop7h 20m
Multiple Airlines
Mon 8/311:34 pm
ATW
-
IAD
1 stop29h 10m
Multiple Airlines
Deal found 8/1$258
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Fri 10/169:25 pm
IAD
-
ATW
1 stop13h 05m
Multiple Airlines
Mon 10/197:11 pm
ATW
-
IAD
1 stop24h 10m
Multiple Airlines
Deal found 7/31$284
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Tue 9/159:04 pm
IAD
-
ATW
2 stops21h 29m
Multiple Airlines
Fri 9/182:27 pm
ATW
-
IAD
1 stop18h 50m
Multiple Airlines
Deal found 7/31$300
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 9/53:40 pm
IAD
-
ATW
1 stop4h 22m
United Airlines
Fri 9/118:00 am
ATW
-
IAD
1 stop4h 55m
United Airlines
Deal found 8/3$303
This American Airlines deal was found by Cheapflights users on 8/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:34 pm
IAD
-
ATW
2 stops7h 36m
American Airlines
Wed 9/95:21 pm
ATW
-
IAD
1 stop4h 30m
American Airlines
Deal found 8/3$308
This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 am
IAD
-
ATW
1 stop5h 07m
Delta
Mon 9/146:21 pm
ATW
-
IAD
1 stop3h 53m
Delta
Deal found 8/3$311

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 August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$236
(Kiwi.com)

One-way from

$157
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$300
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. 11% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 4, 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

Sat 9/5

3:40 pm-7:02 pm

1 stop4h 22m

Appleton Intl

Fri 9/11

8:00 am-1:55 pm

1 stop4h 55m

$303

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sat 9/5

5:25 pm-9:37 pm

1 stop5h 12m

Appleton Intl

Fri 9/11

6:21 pm-11:14 pm

1 stop3h 53m

$303

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 8/27

6:00 am-10:20 am

1 stop5h 20m

Appleton Intl

Wed 9/2

6:36 pm-11:26 pm

1 stop3h 50m

$311
Quickest round-trip

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 9/10

6:10 am-10:17 am

1 stop5h 07m

Appleton Intl

Mon 9/14

6:21 pm-11:14 pm

1 stop3h 53m

$311

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 1/29

1:05 pm-5:53 pm

1 stop5h 48m

Appleton Intl

Sun 1/31

6:35 am-11:43 am

1 stop4h 08m

$319

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sat 8/15

3:40 pm-7:01 pm

1 stop4h 21m

Appleton Intl

Sat 8/22

3:00 pm-9:20 pm

1 stop5h 20m

$334

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 8/20

6:00 am-10:20 am

1 stop5h 20m

Appleton Intl

Tue 8/25

6:36 pm-11:26 pm

1 stop3h 50m

$334

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 10/16

9:25 pm-9:30 am

1 stop13h 05m

Appleton Intl

Sun 10/18

6:30 am-7:09 pm

1 stop11h 39m

$350

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sat 8/15

6:10 am-10:29 am

1 stop5h 19m

Appleton Intl

Mon 8/17

6:36 pm-11:26 pm

1 stop3h 50m

$369

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sun 9/6

1:10 pm-7:01 pm

1 stop6h 51m

Appleton Intl

Thu 9/10

6:30 am-1:55 pm

1 stop6h 25m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

Showing 1-10 of 21 resultsSorted by cheapest first
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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

No data available for this route at this time. Please check back soon.

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 August 4, 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
7.8
Good
8,483 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,483 reviews
Delta
7.8
Good
8,483 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,059 reviews
Delta
7.8
Good
8,483 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Crew

8.5

Overall

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 United Airlines and Delta fly from Washington, D.C. Dulles Intl Airport to Oshkosh in about 4h 22m. The time it takes to get you to your destination can typically vary by up to 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.

See more FAQs

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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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$226Average$371FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$372FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$288FlexibilityNo cancel feeOn-time71%

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