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Oshkosh

$136+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MKE
May 25 — Jun 11
Mon 5/25
Mon 6/1
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 April 25, 2026.

This American Airlines deal was found by Cheapflights users on 4/20. 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.
Sat 5/239:20 am
IAD
-
ATW
1 stop5h 14m
American Airlines
Sat 5/302:04 pm
ATW
-
IAD
1 stop4h 33m
American Airlines
Deal found 4/20$292
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/111:38 pm
IAD
-
ATW
1 stop9h 14m
Multiple Airlines
Fri 6/124:01 pm
ATW
-
IAD
1 stop19h 27m
Multiple Airlines
Deal found 4/21$296
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:33 pm
IAD
-
ATW
1 stop6h 04m
Delta
Mon 6/86:33 pm
ATW
-
IAD
1 stop3h 41m
Delta
Deal found 4/21$317
This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:15 am
IAD
-
ATW
1 stop4h 42m
United Airlines
Tue 8/185:00 am
ATW
-
IAD
1 stop5h 47m
United Airlines
Deal found 4/20$329
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/285:30 pm
IAD
-
ATW
1 stop16h 21m
Multiple Airlines
Sun 6/76:30 am
ATW
-
IAD
1 stop8h 46m
Multiple Airlines
Deal found 4/22$332
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/86:15 am
IAD
-
ATW
1 stop4h 44m
United Airlines
Tue 5/1210:35 am
ATW
-
IAD
1 stop4h 23m
United Airlines
Deal found 4/23$339
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Sun 7/195:30 pm
IAD
-
ATW
1 stop16h 16m
Multiple Airlines
Thu 7/232:44 pm
ATW
-
IAD
2 stops22h 28m
Multiple Airlines
Deal found 4/23$344
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Wed 5/277:37 pm
IAD
-
ATW
2 stops38h 14m
Multiple Airlines
Sun 6/72:44 pm
ATW
-
IAD
1 stop26h 58m
Multiple Airlines
Deal found 4/24$347
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 8/135:30 pm
IAD
-
ATW
1 stop16h 16m
Multiple Airlines
Mon 8/179:36 am
ATW
-
IAD
1 stop9h 16m
Multiple Airlines
Deal found 4/20$351
This Delta deal was found by Cheapflights users on 4/20. 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 8/136:15 am
IAD
-
ATW
1 stop5h 56m
Delta
Tue 8/185:20 pm
ATW
-
IAD
1 stop4h 39m
Delta
Deal found 4/20$354
This Delta deal was found by Cheapflights users on 4/20. 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 6/256:00 am
IAD
-
ATW
1 stop5h 47m
Delta
Tue 6/306:33 pm
ATW
-
IAD
1 stop3h 41m
Delta
Deal found 4/20$356
This Delta deal was found by Cheapflights users on 4/24. 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 5/276:00 am
IAD
-
ATW
1 stop6h 51m
Delta
Sun 6/75:31 am
ATW
-
IAD
1 stop5h 11m
Delta
Deal found 4/24$360

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 April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$296
(Kiwi.com)

One-way from

$136
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$358
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 April 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 April 25, 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

Wed 6/3

5:33 pm-10:37 pm

1 stop6h 04m

Appleton Intl

Mon 6/8

6:33 pm-11:14 pm

1 stop3h 41m

$317

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 5/8

6:15 am-9:59 am

1 stop4h 44m

Appleton Intl

Tue 5/12

10:35 am-3:58 pm

1 stop4h 23m

$339

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 8/13

6:15 am-11:11 am

1 stop5h 56m

Appleton Intl

Tue 8/18

5:20 pm-10:59 pm

1 stop4h 39m

$354
Quickest round-trip

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 6/4

5:21 pm-9:14 pm

1 stop4h 53m

Appleton Intl

Tue 6/9

6:33 pm-11:14 pm

1 stop3h 41m

$362

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sat 5/30

10:26 am-2:05 pm

1 stop4h 39m

Appleton Intl

Tue 6/2

5:30 pm-12:45 am

1 stop6h 15m

$373

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 6/12

6:00 am-10:47 am

1 stop5h 47m

Appleton Intl

Sun 6/14

6:33 pm-11:14 pm

1 stop3h 41m

$379

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 5/7

1:10 pm-4:50 pm

1 stop4h 40m

Appleton Intl

Mon 5/11

5:38 pm-12:33 am

1 stop5h 55m

$399

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sat 6/27

6:00 am-10:47 am

1 stop5h 47m

Appleton Intl

Thu 7/2

6:33 pm-11:14 pm

1 stop3h 41m

$404

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 8/13

9:11 am-5:55 pm

2 stops9h 44m

Appleton Intl

Wed 8/19

4:15 pm-10:55 pm

1 stop5h 40m

$469
Cheapest one-way

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 5/28

5:30 pm-8:51 am

1 stop16h 21m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 18 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 April 25, 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
8,458 reviews

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

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
8,458 reviews
Delta
7.9
Good
8,458 reviews

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

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
9,650 reviews
Delta
7.9
Good
8,458 reviews

Crew

8.5

Entertainment

7.8

Comfort

7.9

Overall

7.9

Boarding

8.1

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 and United Airlines fly from Washington, D.C. Dulles Intl Airport to Oshkosh in about 4h 44m. The time it takes to get you to your destination can typically vary by up to 1h 20m. 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 April 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$412FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$391FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$310FlexibilityNo cancel feeOn-time71%

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