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Oshkosh

$174+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MKE
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
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 May 6, 2026.

This United Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 5/296:10 am
IAD
-
ATW
1 stop4h 53m
United Airlines
Tue 6/25:29 pm
ATW
-
IAD
1 stop6h 30m
United Airlines
Deal found 5/2$293
This Delta deal was found by Cheapflights users on 5/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:33 pm
IAD
-
ATW
1 stop6h 15m
Delta
Mon 6/86:37 pm
ATW
-
IAD
1 stop3h 37m
Delta
Deal found 5/4$301
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:10 am
IAD
-
ATW
1 stop4h 51m
United Airlines
Fri 7/312:24 pm
ATW
-
IAD
1 stop5h 38m
United Airlines
Deal found 5/5$303
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:15 am
IAD
-
ATW
1 stop4h 34m
United Airlines
Sat 5/303:49 pm
ATW
-
IAD
1 stop4h 33m
United Airlines
Deal found 5/1$309
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:49 am
IAD
-
ATW
2 stops15h 45m
Multiple Airlines
Fri 7/179:01 am
ATW
-
IAD
1 stop28h 06m
Multiple Airlines
Deal found 5/6$311
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:10 am
IAD
-
ATW
1 stop4h 51m
United Airlines
Tue 7/285:29 pm
ATW
-
IAD
1 stop6h 16m
United Airlines
Deal found 5/5$313
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:06 pm
IAD
-
ATW
2 stops11h 31m
American Airlines
Sat 5/302:04 pm
ATW
-
IAD
1 stop4h 33m
American Airlines
Deal found 5/1$314
This Delta deal was found by Cheapflights users on 5/5. 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.
Sat 12/265:00 pm
IAD
-
ATW
1 stop4h 42m
Delta
Sat 1/25:20 pm
ATW
-
IAD
1 stop4h 42m
Delta
Deal found 5/5$323
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Wed 5/2010:08 am
IAD
-
ATW
1 stop6h 02m
United Airlines
Sun 5/245:00 am
ATW
-
IAD
1 stop4h 57m
United Airlines
Deal found 5/2$324
This Delta deal was found by Cheapflights users on 5/6. 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.
Fri 7/315:46 pm
IAD
-
ATW
1 stop5h 45m
Delta
Mon 8/36:31 pm
ATW
-
IAD
1 stop3h 55m
Delta
Deal found 5/6$331

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 May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$293
(United Airlines)

One-way from

$174
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$444
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. 18% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 6, 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

Tue 6/16

6:14 am-10:47 am

1 stop5h 33m

Appleton Intl

Tue 6/23

5:31 am-2:02 pm

1 stop7h 31m

$293

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 6/25

6:00 am-10:47 am

1 stop5h 47m

Appleton Intl

Mon 6/29

5:30 pm-11:14 pm

1 stop4h 44m

$331
Quickest round-trip

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 7/31

5:46 pm-10:31 pm

1 stop5h 45m

Appleton Intl

Mon 8/3

6:31 pm-11:26 pm

1 stop3h 55m

$331

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sat 5/16

6:15 am-11:54 am

1 stop6h 39m

Appleton Intl

Sat 5/23

3:49 pm-9:22 pm

1 stop4h 33m

$363

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 5/29

6:10 am-11:44 am

1 stop6h 34m

Appleton Intl

Mon 6/1

5:29 pm-12:59 am

1 stop6h 30m

$381

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sun 6/14

8:15 am-11:44 am

1 stop4h 29m

Appleton Intl

Mon 6/22

5:29 pm-12:59 am

1 stop6h 30m

$382

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 7/3

6:10 am-10:01 am

1 stop4h 51m

Appleton Intl

Fri 7/3

12:24 pm-7:02 pm

1 stop5h 38m

$383

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 7/9

6:10 am-11:43 am

1 stop6h 33m

Appleton Intl

Sat 7/11

10:37 am-4:30 pm

1 stop4h 53m

$384
Cheapest one-way

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sun 7/19

11:17 am-8:46 am

2 stops22h 29m

$197
Quickest one-way

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Mon 5/25

8:15 am-11:49 am

1 stop4h 34m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

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

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport 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 May 6, 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
8,456 reviews

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.9
Good
8,456 reviews
Delta
7.9
Good
8,456 reviews

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
United Airlines
7.4
Good
9,684 reviews
Delta
7.9
Good
8,456 reviews

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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 fly from Washington, D.C. Dulles Intl Airport to Oshkosh in about 5h 33m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 678 mi.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$405FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$390FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$310FlexibilityNo cancel feeOn-time71%

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