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$87+ Cheap flights from Oshkosh, WI to Washington

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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SEA
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
1 adult, Economy
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Cheap flight deals from Oshkosh to Washington

Cheapest flights from Oshkosh to Washington
Explore the most affordable flight options available from Oshkosh to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 25, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:30 am
ATW
-
PDX
Nonstop4h 03m
Allegiant Air
Mon 7/610:23 am
PDX
-
ATW
Nonstop3h 44m
Allegiant Air
Deal found 6/24$236
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:30 am
ATW
-
PDX
Nonstop4h 03m
Allegiant Air
Mon 7/1310:23 am
PDX
-
ATW
Nonstop3h 44m
Allegiant Air
Deal found 6/22$259
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:30 am
ATW
-
PDX
Nonstop4h 03m
Allegiant Air
Fri 7/1710:23 am
PDX
-
ATW
Nonstop3h 44m
Allegiant Air
Deal found 6/21$272
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:30 am
ATW
-
PDX
Nonstop4h 14m
Allegiant Air
Mon 7/610:23 am
PDX
-
ATW
Nonstop3h 44m
Allegiant Air
Deal found 6/24$279
This Cheapflightsfares deal was found by Cheapflights users on 6/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:30 am
ATW
-
PDX
Nonstop4h 03m
Allegiant Air
Fri 7/1010:23 am
PDX
-
ATW
Nonstop3h 44m
Allegiant Air
Deal found 6/20$284
This Cheapflightsfares deal was found by Cheapflights users on 6/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:30 am
ATW
-
PDX
Nonstop4h 14m
Allegiant Air
Fri 7/310:23 am
PDX
-
ATW
Nonstop3h 44m
Allegiant Air
Deal found 6/21$290
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:30 am
ATW
-
PDX
Nonstop4h 03m
Allegiant Air
Mon 7/1310:23 am
PDX
-
ATW
Nonstop3h 44m
Allegiant Air
Deal found 6/21$298
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:30 am
ATW
-
PDX
Nonstop4h 14m
Multiple Airlines
Fri 7/35:42 pm
PDX
-
ATW
2 stops26h 52m
Multiple Airlines
Deal found 6/21$302
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:19 pm
ATW
-
SEA
1 stop6h 02m
Delta
Tue 9/296:00 am
SEA
-
ATW
1 stop9h 40m
Delta
Deal found 6/23$319
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 9/165:00 pm
ATW
-
SEA
1 stop7h 45m
United Airlines
Tue 9/2211:03 am
SEA
-
ATW
2 stops8h 35m
United Airlines
Deal found 6/24$324
This Delta deal was found by Cheapflights users on 6/21. 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.
Sat 9/54:10 pm
ATW
-
GEG
1 stop5h 14m
Delta
Sat 9/196:45 am
GEG
-
ATW
1 stop6h 52m
Delta
Deal found 6/21$329
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:30 am
ATW
-
SEA
1 stop12h 15m
Multiple Airlines
Thu 10/227:41 pm
SEA
-
ATW
1 stop25h 26m
Multiple Airlines
Deal found 6/21$329

Find flight deals from Oshkosh to Washington

Keep the following information in mind while searching for Oshkosh to Washington flight deals. Data was last updated June 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$272
(Kiwi.com)

One-way from

$87
(Super.com)

Popular in

June

Cheapest in

October

Average price

$608
Provider with most accurate pricing for Appleton Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-Seattle/Tacoma Intl flights.
Search Deals
From Oshkosh to Washington
Search Deals
One-way flight from Oshkosh to Washington
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 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 Oshkosh to Washington 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 25, 2026.
Use the filters below to find and compare flights from Oshkosh to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Tue 9/15

4:19 pm-8:21 pm

1 stop6h 02m

Seattle/Tacoma Intl

Sat 9/19

6:00 am-3:37 pm

1 stop7h 37m

$319

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Tue 9/1

2:06 pm-10:05 pm

1 stop9h 59m

Seattle/Tacoma Intl

Sat 9/12

6:00 am-4:26 pm

1 stop8h 26m

$319

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Sun 9/6

7:00 am-2:34 pm

1 stop9h 34m

Seattle/Tacoma Intl

Tue 9/15

11:59 pm-10:17 am

1 stop8h 18m

$319
Quickest round-trip

AppletonSpokane

ATW - GEG

ATWGEG

Appleton Intl

Sat 9/5

4:10 pm-7:24 pm

1 stop5h 14m

Spokane

Sat 9/19

6:45 am-3:37 pm

1 stop6h 52m

$329

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Wed 9/16

3:00 pm-10:45 pm

1 stop9h 45m

Seattle/Tacoma Intl

Tue 9/22

11:03 am-8:54 pm

1 stop7h 51m

$334

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Thu 9/10

2:00 pm-10:10 pm

1 stop10h 10m

Seattle/Tacoma Intl

Tue 9/15

9:43 am-8:36 pm

1 stop8h 53m

$334

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Tue 9/1

4:10 pm-10:00 pm

1 stop7h 50m

Seattle/Tacoma Intl

Fri 9/11

11:59 pm-10:17 am

1 stop8h 18m

$334

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Mon 8/31

6:00 am-1:00 pm

1 stop9h 00m

Seattle/Tacoma Intl

Sat 9/5

2:30 pm-10:56 pm

1 stop6h 26m

$334

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Wed 10/21

5:25 pm-11:47 pm

1 stop8h 22m

Portland

Sun 10/25

10:55 pm-10:29 am

1 stop9h 34m

$402

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Mon 7/20

2:05 pm-9:48 pm

1 stop9h 43m

Portland

Mon 8/3

11:20 pm-10:29 am

1 stop9h 09m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 45 resultsSorted by cheapest first
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5

Best time to book a flight from Oshkosh to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Oshkosh 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 Oshkosh to Washington

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

Find hourly flight availability from Oshkosh to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 25, 2026.

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

Weekly flight availability from Oshkosh to State of Washington

Explore weekly flight availability from Oshkosh to Washington. 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 25, 2026.

The most flights from OS9 to USWA are scheduled on a Wednesday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Oshkosh to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated June 25, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Oshkosh to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,440 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.8

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
Delta
7.8
Good
8,440 reviews
Delta
7.8
Good
8,440 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.8

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
United Airlines
7.4
Good
9,886 reviews
Delta
7.8
Good
8,440 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.8

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
American Airlines
7.1
Good
11,755 reviews
Delta
7.8
Good
8,440 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.8

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than

Related info for your journey

Find useful and relevant information for your journey from Oshkosh to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Oshkosh to State of Washington flight route?

    This flight path from Oshkosh to Washington was viewed by 12 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Oshkosh to State of Washington?

    There are many flights that can get you from Oshkosh to State of Washington in 6h 02m. Fly via Delta or United Airlines to get the fastest option. The distance from Oshkosh to State of Washington is about 1627 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Oshkosh to State of Washington one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $143. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Oshkosh to State of Washington for a low price.

  • What are the most popular routes from Oshkosh to State of Washington?

    While some choose either Appleton Intl - Portland or Appleton Intl - Spokane, Appleton Intl - Seattle/Tacoma Intl is the most popular route from Oshkosh to State of Washington.

  • What are the most reliable airlines from Oshkosh to State of Washington?

    The top 3 most reliable airlines when flying from Oshkosh to State of Washington are Hawaiian Airlines (100%), American Airlines (88%) and Alaska Airlines (87%).

  • What are the cheapest flights from Oshkosh to State of Washington?

    Looking at all options, your cheapest flight can be booked for $227. While the most popular route (Appleton Intl - Seattle/Tacoma Intl) can be booked for $319 on average, our data indicates $759 when flying from Oshkosh to State of Washington.

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

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

  • How can I find direct flights from Oshkosh to Washington?

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

  • Can I find deals for business class flights from Oshkosh to Washington?

    Yes. Cheapflights offers flight deals from Oshkosh to Washington 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

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Alternative routes for Oshkosh to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Oshkosh to Washington

Discover the top 6 airlines that operate flights from Oshkosh to Washington. 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 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$107Average$430FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$429FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$194Average$385FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$199Average$442FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$206Average$373FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$226Average$420FlexibilityNo cancel feeOn-time69%

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