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Oshkosh

$149+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MKE
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$249
(American Airlines)

One-way from

$197
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$327
From Washington, D.C. Dulles Intl to Oshkosh
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One-way flight from Washington, D.C. Dulles Intl to Oshkosh
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Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 7/289:03 amIAD - ATW
1 stop7h 18mAmerican Airlines
Tue 8/53:51 pmATW - IAD
1 stop7h 07mAmerican Airlines
Deal found 7/3$249
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 11/85:15 pmIAD - ATW
1 stop5h 18mUnited Airlines
Tue 11/116:30 amATW - IAD
1 stop4h 19mUnited Airlines
Deal found 7/2$254
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:37 pmIAD - ATW
1 stop5h 55mDelta
Sat 8/165:34 amATW - IAD
1 stop7h 57mDelta
Deal found 7/2$273
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:25 amIAD - ATW
3 stops24h 47mMultiple Airlines
Sun 8/107:00 amATW - IAD
3 stops27h 20mMultiple Airlines
Deal found 7/1$403

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 July 3, 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

Mon 7/28

9:03 am-3:21 pm

1 stop7h 18m

Appleton Intl

Tue 8/5

3:51 pm-11:58 pm

1 stop7h 07m

$249

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sun 8/10

5:37 pm-10:32 pm

1 stop5h 55m

Appleton Intl

Sat 8/16

5:34 am-2:31 pm

1 stop7h 57m

$273

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 9/11

3:55 pm-7:26 pm

1 stop4h 31m

Appleton Intl

Sat 9/13

2:41 pm-8:55 pm

1 stop5h 14m

$341

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Thu 8/7

8:25 am-8:12 am

3 stops24h 47m

Appleton Intl

Sun 8/10

7:00 am-11:20 am

3 stops27h 20m

$403

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Wed 10/1

6:15 am-11:28 am

1 stop6h 13m

$149

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Fri 8/15

10:25 am-2:52 pm

1 stop5h 27m

$197

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Sun 7/13

6:35 am-12:18 pm

1 stop6h 43m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oshkosh (average of $280). Flying from Washington, D.C. Dulles Intl Airport to Oshkosh in June is currently the most expensive (average of $376). 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 July 3, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Oshkosh, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Saturday at noon when fares are most often at their lowest. Friday 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 July 3, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Oshkosh one-way?

    $197 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $200 and $293, respectively.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Oshkosh?

    On average you can expect to pay $750 for a flight from Washington, D.C. Dulles Intl Airport to Oshkosh. The cheapest flight overall is $370 while the most popular route, (Washington, D.C. Dulles Intl - Appleton Intl) is currently priced at $254.

  • 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oshkosh (average of $280). Flying from Washington, D.C. Dulles Intl Airport to Oshkosh in June is currently the most expensive (average of $376). 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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$176Average$468FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$398FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$222Average$410FlexibilityNo cancel feeOn-time71%

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