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Oshkosh

$164+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MKE
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find 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 November 6, 2025.

This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 12/55:59 pmIAD - ATW
1 stop5h 05mDelta
Sun 12/75:31 amATW - IAD
1 stop5h 04mDelta
Deal found 11/5$249
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:16 pmIAD - ATW
2 stops10h 18mAmerican Airlines
Sun 12/76:47 amATW - IAD
1 stop5h 33mAmerican Airlines
Deal found 11/6$254
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:26 amIAD - ATW
1 stop14h 17mMultiple Airlines
Mon 12/83:50 pmATW - IAD
2 stops21h 39mMultiple Airlines
Deal found 11/5$286
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 12/125:59 pmIAD - ATW
1 stop5h 05mDelta
Sun 12/144:18 pmATW - IAD
1 stop6h 44mDelta
Deal found 11/5$288
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:21 amIAD - ATW
1 stop14h 10mMultiple Airlines
Mon 12/83:50 pmATW - IAD
2 stops21h 39mMultiple Airlines
Deal found 11/5$300
This Delta deal was found by Cheapflights users on 11/5. 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 12/65:03 pmIAD - ATW
1 stop4h 48mDelta
Mon 12/86:05 pmATW - IAD
1 stop4h 03mDelta
Deal found 11/5$312
This Delta deal was found by Cheapflights users on 11/6. 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.
Wed 11/1211:05 amIAD - ATW
1 stop6h 18mDelta
Sun 11/165:21 pmATW - IAD
1 stop4h 42mDelta
Deal found 11/6$354
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:29 pmIAD - ATW
1 stop6h 56mAmerican Airlines
Sun 11/166:00 amATW - IAD
2 stops9h 02mAmerican Airlines
Deal found 11/6$359
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:40 pmIAD - ATW
1 stop7h 07mAmerican Airlines
Sun 12/145:10 amATW - IAD
2 stops7h 10mAmerican Airlines
Deal found 11/6$364

Cheap 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Delta)

One-way from

$164
(Delta)

Popular in

March

Cheapest in

January

Average price

$324
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. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 6, 2025.
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 12/11

5:59 pm-10:04 pm

1 stop5h 05m

Appleton Intl

Sun 12/14

5:31 am-11:35 am

1 stop5h 04m

$249

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 12/5

5:59 pm-10:04 pm

1 stop5h 05m

Appleton Intl

Sun 12/7

5:31 am-11:35 am

1 stop5h 04m

$249

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sat 12/6

5:03 pm-8:51 pm

1 stop4h 48m

Appleton Intl

Sun 12/7

5:31 am-11:35 am

1 stop5h 04m

$249

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 12/5

5:59 pm-10:04 pm

1 stop5h 05m

Appleton Intl

Sat 12/6

11:13 am-4:23 pm

1 stop4h 10m

$249

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 12/11

6:03 am-11:40 am

1 stop6h 37m

Appleton Intl

Sat 12/13

6:11 pm-11:08 pm

1 stop3h 57m

$249

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 12/4

6:00 am-10:33 am

1 stop5h 33m

Appleton Intl

Sat 12/6

11:13 am-4:23 pm

1 stop4h 10m

$249

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 12/5

2:16 pm-11:34 pm

2 stops10h 18m

Appleton Intl

Sun 12/7

5:10 am-1:20 pm

2 stops7h 10m

$259

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 1/1

8:15 am-2:33 pm

1 stop7h 18m

Appleton Intl

Sun 1/4

5:23 pm-12:15 am

1 stop5h 52m

$294

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 12/12

5:03 pm-8:51 pm

1 stop4h 48m

Appleton Intl

Sun 12/14

5:31 am-11:35 am

1 stop5h 04m

$294

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 12/4

9:21 am-10:31 pm

1 stop14h 10m

Appleton Intl

Mon 12/8

3:50 pm-2:29 pm

2 stops21h 39m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 16 results
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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

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 $151). Flying from Washington, D.C. Dulles Intl Airport to Oshkosh in December is currently the most expensive (average of $257). 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.

What is the cheapest time of day to fly from IAD to OS9?

Find hourly flight availability from Dulles Intl to Oshkosh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from Washington, D.C. Dulles Intl Airport to Oshkosh by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Oshkosh?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Oshkosh. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Oshkosh flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 6, 2025.
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
8,001 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Food

7.3

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
8,001 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Food

7.3

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
9,007 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Food

7.3

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 fly from Washington, D.C. Dulles Intl Airport to Oshkosh in about 5h 05m. 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.

  • 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 $151). Flying from Washington, D.C. Dulles Intl Airport to Oshkosh in December is currently the most expensive (average of $257). 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.

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$189Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$414FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$360FlexibilityNo cancel feeOn-time71%

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