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Oshkosh

$131+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MKE
ene. 3 — ene. 101
sáb. 1/3
sáb. 1/10
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 diciembre 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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.
mié. 12/178:20 amIAD - ATW
1 stop6h 37mUnited Airlines
sáb. 12/201:00 pmATW - IAD
1 stop7h 21mUnited Airlines
Deal found 12/3$279
This American Airlines deal was found by Cheapflights users on 12/3. 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.
mié. 12/177:55 amIAD - ATW
2 stops8h 39mAmerican Airlines
sáb. 12/203:58 pmATW - IAD
2 stops7h 06mAmerican Airlines
Deal found 12/3$289
This Delta deal was found by Cheapflights users on 12/4. 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.
mar. 12/166:00 amIAD - ATW
1 stop5h 33mDelta
mar. 1/66:05 pmATW - IAD
1 stop4h 01mDelta
Deal found 12/4$294
This American Airlines deal was found by Cheapflights users on 12/1. 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.
vie. 12/125:35 pmIAD - ATW
1 stop6h 49mAmerican Airlines
lun. 12/156:39 amATW - IAD
1 stop5h 55mAmerican Airlines
Deal found 12/1$309
This American Airlines deal was found by Cheapflights users on 12/3. 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.
jue. 12/186:35 amIAD - ATW
2 stops9h 53mAmerican Airlines
lun. 12/225:00 amATW - IAD
1 stop7h 27mAmerican Airlines
Deal found 12/3$314
This Delta deal was found by Cheapflights users on 12/4. 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.
jue. 12/116:00 amIAD - ATW
1 stop5h 33mDelta
dom. 12/146:05 pmATW - IAD
1 stop4h 03mDelta
Deal found 12/4$339
This United Airlines deal was found by Cheapflights users on 12/3. 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.
jue. 12/188:15 amIAD - ATW
1 stop5h 00mUnited Airlines
lun. 12/226:15 amATW - IAD
1 stop4h 30mUnited Airlines
Deal found 12/3$341
This United Airlines deal was found by Cheapflights users on 12/1. 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.
jue. 12/188:15 amIAD - ATW
1 stop7h 18mUnited Airlines
dom. 12/215:23 pmATW - IAD
1 stop5h 52mUnited Airlines
Deal found 12/1$343
This American Airlines deal was found by Cheapflights users on 12/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/116:25 amIAD - ATW
2 stops9h 53mAmerican Airlines
dom. 12/146:47 amATW - IAD
1 stop5h 33mAmerican Airlines
Deal found 12/2$344
This Delta deal was found by Cheapflights users on 12/3. 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.
vie. 12/55:59 pmIAD - ATW
1 stop5h 05mDelta
dom. 12/76:05 pmATW - IAD
1 stop4h 03mDelta
Deal found 12/3$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 diciembre 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$139
(Delta)

Popular in

April

Cheapest in

October

Average price

$383
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.
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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. 21% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 diciembre 4, 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

mié. 12/17

8:20 am-1:57 pm

1 stop6h 37m

Appleton Intl

sáb. 12/20

1:00 pm-9:21 pm

1 stop7h 21m

$279

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

vie. 12/12

5:35 pm-11:24 pm

1 stop6h 49m

Appleton Intl

lun. 12/15

6:39 am-1:34 pm

1 stop5h 55m

$309

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

jue. 12/18

6:35 am-3:28 pm

2 stops9h 53m

Appleton Intl

lun. 12/22

3:58 pm-12:04 am

2 stops7h 06m

$319

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

jue. 1/29

5:17 pm-9:31 pm

1 stop5h 14m

Appleton Intl

lun. 2/2

3:39 pm-9:17 pm

1 stop4h 38m

$319

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

jue. 12/11

5:59 pm-10:04 pm

1 stop5h 05m

Appleton Intl

dom. 12/14

6:05 pm-11:08 pm

1 stop4h 03m

$339

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

jue. 12/11

6:03 am-11:40 am

1 stop6h 37m

Appleton Intl

mar. 12/16

4:18 pm-12:02 am

1 stop6h 44m

$339

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

jue. 12/11

8:20 am-1:57 pm

1 stop6h 37m

Appleton Intl

dom. 12/14

2:32 pm-9:18 pm

1 stop5h 46m

$339

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

vie. 12/12

6:03 am-11:40 am

1 stop6h 37m

Appleton Intl

dom. 12/14

4:18 pm-12:02 am

1 stop6h 44m

$339

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

jue. 12/11

4:40 pm-10:47 pm

1 stop7h 07m

Appleton Intl

sáb. 12/13

5:40 am-1:20 pm

1 stop6h 40m

$339

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

jue. 1/15

5:42 pm-3:08 pm

2 stops22h 26m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 17 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 $262). 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 diciembre 4, 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 diciembre 4, 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
8,011 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

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
9,066 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

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 United Airlines and American Airlines fly from Washington, D.C. Dulles Intl Airport to Oshkosh in about 6h 37m. The time it takes to get you to your destination can typically vary by up to 12m. 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 $151). Flying from Washington, D.C. Dulles Intl Airport to Oshkosh in December is currently the most expensive (average of $262). 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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Alternative routes for Dulles Intl to Oshkosh

See prices for flight routes from nearby airports that may be better suited for you.
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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 diciembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$189Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$417FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$346FlexibilityNo cancel feeOn-time71%

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