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Oshkosh

$128+ Cheap flights from Washington, D.C. (WAS) 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MKE
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Oshkosh

Cheapest flights from Washington, D.C. to Oshkosh
Explore the most affordable flight options available from Washington, D.C. to Oshkosh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/3112:00 pm
IAD
-
ATW
2 stops11h 34m
Multiple Airlines
Mon 8/39:36 am
ATW
-
IAD
1 stop9h 02m
Multiple Airlines
Deal found 6/7$269
This American Airlines deal was found by Cheapflights users on 6/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:06 pm
DCA
-
ATW
1 stop5h 04m
American Airlines
Tue 7/1411:15 am
ATW
-
DCA
1 stop5h 44m
American Airlines
Deal found 6/5$293
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Mon 8/2410:34 am
BWI
-
ATW
1 stop12h 18m
Multiple Airlines
Mon 8/314:02 pm
ATW
-
BWI
1 stop26h 20m
Multiple Airlines
Deal found 6/7$295
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:28 pm
BWI
-
ATW
1 stop25h 24m
Multiple Airlines
Sun 7/122:44 pm
ATW
-
BWI
1 stop17h 10m
Multiple Airlines
Deal found 6/4$304
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 6/3010:30 am
DCA
-
ATW
1 stop4h 35m
United Airlines
Fri 7/310:37 am
ATW
-
DCA
1 stop4h 15m
United Airlines
Deal found 6/8$306
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Sat 7/188:06 pm
DCA
-
ATW
1 stop5h 04m
American Airlines
Wed 7/295:00 am
ATW
-
DCA
2 stops6h 17m
American Airlines
Deal found 6/6$311
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Wed 7/156:05 am
BWI
-
ATW
1 stop17h 29m
Multiple Airlines
Thu 7/162:44 pm
ATW
-
BWI
1 stop8h 39m
Multiple Airlines
Deal found 6/5$312
This American Airlines deal was found by Cheapflights users on 6/7. 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 7/138:06 pm
DCA
-
ATW
1 stop5h 04m
American Airlines
Sat 7/185:00 am
ATW
-
DCA
1 stop4h 03m
American Airlines
Deal found 6/7$313
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:40 pm
IAD
-
ATW
1 stop16h 06m
Multiple Airlines
Wed 7/294:00 pm
ATW
-
IAD
2 stops45h 26m
Multiple Airlines
Deal found 6/6$313
This Delta deal was found by Cheapflights users on 6/8. 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.
Tue 6/305:32 pm
BWI
-
ATW
1 stop5h 08m
Delta
Fri 7/35:30 pm
ATW
-
BWI
1 stop4h 48m
Delta
Deal found 6/8$319
This American Airlines deal was found by Cheapflights users on 6/7. 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 9/256:30 am
DCA
-
ATW
1 stop5h 36m
American Airlines
Mon 9/285:21 pm
ATW
-
DCA
1 stop5h 38m
American Airlines
Deal found 6/7$326
This American Airlines deal was found by Cheapflights users on 6/7. 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 9/105:01 am
IAD
-
ATW
2 stops7h 05m
American Airlines
Mon 9/145:21 pm
ATW
-
IAD
1 stop4h 30m
American Airlines
Deal found 6/7$331

Find flight deals from Washington, D.C. to Oshkosh

Keep the following information in mind while searching for Washington, D.C. to Oshkosh flight deals. Data was last updated June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Kiwi.com)

One-way from

$128
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$402
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. (WAS) to Oshkosh
Search Deals
One-way flight from Washington, D.C. (WAS) to Oshkosh
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 June 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. 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 7/18

8:06 pm-12:10 am

1 stop5h 04m

Appleton Intl

Wed 7/22

3:58 pm-11:53 pm

1 stop6h 55m

$293

BaltimoreAppleton

BWI - ATW

BWIATW

Baltimore/Washington

Wed 7/8

9:28 pm-9:52 pm

1 stop25h 24m

Appleton Intl

Sun 7/12

2:44 pm-8:54 am

1 stop17h 10m

$304
Quickest round-trip

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Thu 10/29

7:00 am-9:59 am

1 stop3h 59m

Appleton Intl

Sat 10/31

3:47 pm-8:43 pm

1 stop3h 56m

$306

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Sat 7/18

8:06 pm-12:10 am

1 stop5h 04m

Appleton Intl

Wed 7/29

5:00 am-10:59 am

1 stop4h 59m

$306

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Tue 6/30

10:30 am-2:05 pm

1 stop4h 35m

Appleton Intl

Fri 7/3

10:37 am-3:52 pm

1 stop4h 15m

$306

Washington, D.C.Appleton

DCA - ATW

DCAATW

Washington, D.C. Reagan-National

Mon 7/13

8:06 pm-12:10 am

1 stop5h 04m

Appleton Intl

Sat 7/18

5:00 am-10:03 am

1 stop4h 03m

$313

BaltimoreAppleton

BWI - ATW

BWIATW

Baltimore/Washington

Tue 6/30

5:32 pm-9:40 pm

1 stop5h 08m

Appleton Intl

Fri 7/3

5:30 pm-11:18 pm

1 stop4h 48m

$319

BaltimoreAppleton

BWI - ATW

BWIATW

Baltimore/Washington

Wed 7/8

8:16 am-11:43 am

1 stop4h 27m

Appleton Intl

Wed 7/15

5:30 pm-12:28 am

1 stop5h 58m

$319

BaltimoreAppleton

BWI - ATW

BWIATW

Baltimore/Washington

Thu 10/29

6:24 pm-11:08 pm

1 stop5h 44m

Appleton Intl

Sat 10/31

6:25 pm-11:31 pm

1 stop4h 06m

$319

Washington, D.C.Appleton

IAD - ATW

IADATW

Washington, D.C. Dulles Intl

Mon 8/24

5:25 pm-9:37 pm

1 stop5h 12m

Appleton Intl

Mon 8/31

6:36 pm-11:26 pm

1 stop3h 50m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 45 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Oshkosh

Have a flexible travel schedule? Discover the best time to fly to Oshkosh from Washington, D.C. 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. to Oshkosh

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

Find hourly flight availability from Washington, D.C. 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 June 9, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 35% on flights from Washington, D.C. to Oshkosh by exploring options for tickets in the afternoon.

Weekly flight availability from Washington, D.C. to Oshkosh

Explore weekly flight availability from Washington, D.C. to Oshkosh. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 9, 2026.

The most flights from WAS to OS9 are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Oshkosh. Price data was last updated on May 30, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Oshkosh flight should consider departing on Thursday afternoons 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 June 9, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Washington, D.C. to Oshkosh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,394 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.8

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
7.9
Good
8,394 reviews
Delta
7.9
Good
8,394 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.8

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
9,796 reviews
Delta
7.9
Good
8,394 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.8

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
11,640 reviews
Delta
7.9
Good
8,394 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Comfort

7.8

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 Washington, D.C. 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. to Oshkosh?

    A quick flight from Washington, D.C. to Oshkosh can take about 3h 59m. American Airlines provides one of the quickest options available for as low as $306. The distance between Washington, D.C. and 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 popular routes from Washington, D.C. to Oshkosh?

    The most popular route from Washington, D.C. to Oshkosh is Baltimore/Washington - Appleton Intl. You may also consider Washington, D.C. Dulles Intl - Appleton Intl or Washington, D.C. Reagan-National - Appleton Intl.

  • Can I find deals for flights from Washington, D.C. to Oshkosh that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Oshkosh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Oshkosh?

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

  • Can I find deals for business class flights from Washington, D.C. to Oshkosh?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Washington, D.C. to Oshkosh

Discover the top 5 airlines that operate flights from Washington, D.C. 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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$171FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$134Average$368FlexibilityNo cancel feeOn-time69%
DeltaCheapest$158Average$394FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$176Average$423FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$234Average$397FlexibilityNo cancel feeOn-time63%

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