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Oshkosh

$147+ Cheap flights from Reagan-National (DCA) 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — MKE
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Reagan-National to Oshkosh

Cheapest flights from Reagan-National to Oshkosh
Explore the most affordable flight options available from Reagan-National to Oshkosh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/226:30 am
DCA
-
ATW
1 stop6h 23m
United Airlines
Sat 8/296:00 am
ATW
-
DCA
1 stop7h 23m
United Airlines
Deal found 7/23$303
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
DCA
-
ATW
2 stops6h 53m
American Airlines
Sat 8/2911:28 am
ATW
-
DCA
1 stop5h 35m
American Airlines
Deal found 7/23$308
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:46 pm
DCA
-
ATW
1 stop4h 32m
American Airlines
Mon 8/175:41 am
ATW
-
DCA
1 stop4h 18m
American Airlines
Deal found 7/22$309
This Delta deal was found by Cheapflights users on 7/24. 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.
Sat 8/296:25 pm
DCA
-
ATW
1 stop4h 12m
Delta
Sat 9/511:09 am
ATW
-
DCA
1 stop6h 36m
Delta
Deal found 7/24$313
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:10 pm
DCA
-
ATW
1 stop4h 48m
United Airlines
Sun 9/206:30 am
ATW
-
DCA
1 stop5h 34m
United Airlines
Deal found 7/21$319
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:43 pm
DCA
-
ATW
1 stop4h 27m
American Airlines
Sat 8/155:41 am
ATW
-
DCA
1 stop7h 13m
American Airlines
Deal found 7/22$324
This Delta deal was found by Cheapflights users on 7/21. 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.
Thu 8/66:10 am
DCA
-
ATW
1 stop5h 19m
Delta
Tue 8/1111:09 am
ATW
-
DCA
1 stop4h 25m
Delta
Deal found 7/21$334
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:43 pm
DCA
-
ATW
1 stop4h 27m
American Airlines
Sun 8/165:42 am
ATW
-
DCA
1 stop4h 17m
American Airlines
Deal found 7/22$339
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:30 pm
DCA
-
ATW
1 stop4h 52m
United Airlines
Wed 8/1212:28 pm
ATW
-
DCA
1 stop4h 41m
United Airlines
Deal found 7/24$349
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 8/510:30 am
DCA
-
ATW
1 stop4h 35m
United Airlines
Wed 8/199:10 am
ATW
-
DCA
1 stop5h 32m
United Airlines
Deal found 7/23$358

Find flight deals from Reagan-National to Oshkosh

Keep the following information in mind while searching for Reagan-National to Oshkosh flight deals. Data was last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(United Airlines)

One-way from

$147
(American Airlines)

Popular in

September

Cheapest in

November

Average price

$392
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. Reagan-National to Oshkosh
Search Deals
One-way flight from Washington, D.C. Reagan-National to Oshkosh
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 27, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Oshkosh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 8/22

6:30 am-11:53 am

1 stop6h 23m

Appleton Intl

Sat 8/29

6:00 am-2:23 pm

1 stop7h 23m

$303

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 8/22

5:00 am-10:53 am

2 stops6h 53m

Appleton Intl

Sat 8/29

11:28 am-6:03 pm

1 stop5h 35m

$308

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 8/29

6:25 pm-9:37 pm

1 stop4h 12m

Appleton Intl

Sat 9/5

11:09 am-6:45 pm

1 stop6h 36m

$313

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 9/19

7:10 pm-10:58 pm

1 stop4h 48m

Appleton Intl

Sun 9/20

6:30 am-1:04 pm

1 stop5h 34m

$319

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Thu 8/6

6:10 am-10:29 am

1 stop5h 19m

Appleton Intl

Tue 8/11

11:09 am-4:34 pm

1 stop4h 25m

$334
Quickest round-trip

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 8/8

3:30 pm-7:22 pm

1 stop4h 52m

Appleton Intl

Wed 8/12

12:28 pm-6:09 pm

1 stop4h 41m

$349

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Wed 8/5

10:30 am-2:05 pm

1 stop4h 35m

Appleton Intl

Wed 8/19

9:10 am-3:42 pm

1 stop5h 32m

$358

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 8/29

11:56 am-3:48 pm

1 stop4h 52m

Appleton Intl

Sat 9/5

11:23 am-8:00 pm

2 stops7h 37m

$388

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 10/17

5:00 am-11:00 am

2 stops7h 00m

Appleton Intl

Tue 10/20

3:22 pm-11:59 pm

1 stop7h 37m

$435

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Fri 10/16

7:35 pm-8:37 pm

1 stop26h 02m

Appleton Intl

Tue 10/20

5:07 pm-11:09 pm

1 stop5h 02m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Reagan-National to Oshkosh

Have a flexible travel schedule? Discover the best time to fly to Oshkosh from Reagan-National 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. Reagan-National Airport to Oshkosh

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

Find hourly flight availability from Reagan-National 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 27, 2026.

One of the essential ways to save on airfare from Washington, D.C. Reagan-National Airport to Oshkosh is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 7% on airfare.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Oshkosh?

Airfare is below average for this route at the moment.
Washington, D.C. Reagan-National Airport to Oshkosh flights typically cost between $323 and $398 in August.
The cheapest round-trip price found within the last 5 days was $303 on United Airlines (Aug 22-Aug 29).

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Oshkosh?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Oshkosh. Price data was last updated on July 25, 2026.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Oshkosh flight should consider departing on Monday at noon when fares are most often at their lowest. Friday at noon 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 27, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Oshkosh, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,487 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,487 reviews
Delta
7.8
Good
8,487 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,040 reviews
Delta
7.8
Good
8,487 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,844 reviews
Delta
7.8
Good
8,487 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Oshkosh?

    A quick flight from Washington, D.C. Reagan-National Airport to Oshkosh can take about 4h 12m. United Airlines provides one of the quickest options available for as low as $313. The distance from Washington, D.C. Reagan-National Airport to Oshkosh is about 700 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Oshkosh?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Reagan-National Airport to Oshkosh consider choosing American Airlines (74%), PSA Airlines (74%) or Southwest (71%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Oshkosh?

    The cheapest flight price from Washington, D.C. Reagan-National Airport to Oshkosh is $139. On average you can expect to pay $337. The most popular route, (Washington, D.C. Reagan-National - Appleton Intl), can usually be booked for $303.

  • Can I find deals for flights from Reagan-National to Oshkosh that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Oshkosh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Oshkosh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Oshkosh.

  • Can I find deals for business class flights from Reagan-National to Oshkosh?

    Yes. Cheapflights offers flight deals from Reagan-National 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 4 airlines flying from Reagan-National to Oshkosh

Discover the top 4 airlines that operate flights from Reagan-National 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$217Average$418FlexibilityNo cancel feeOn-time71%
DeltaCheapest$232Average$381FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$240Average$384FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$247Average$364FlexibilityNo cancel feeOn-time69%

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