Washington

$126+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SEA
Feb 5 — Feb 121
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Cheap flight deals from Oshkosh to Washington

Keep the following information in mind while searching for Oshkosh to Washington flight deals. Data was last updated January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(Kiwi.com)

One-way from

$126
(Delta)

Popular in

June

Cheapest in

February

Average price

$561
Provider with most accurate pricing for Appleton Intl-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Appleton Intl-Seattle/Tacoma Intl flights.
From Oshkosh to Washington
One-way flight from Oshkosh to Washington
Highest demand for flights based on searches. 11% potential increase in price ($60 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Find 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 January 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
Mon 5/257:30 amATW - PDX
Nonstop4h 11mAllegiant Air
Fri 5/2910:31 amPDX - ATW
Nonstop3h 44mAllegiant Air
Deal found 1/5$189
This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
Mon 6/17:30 amATW - PDX
Nonstop4h 11mAllegiant Air
Fri 6/510:34 amPDX - ATW
Nonstop3h 34mAllegiant Air
Deal found 1/5$230
This Kiwi.com deal was found by Cheapflights users on 1/4. 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.
Fri 6/57:30 amATW - PDX
Nonstop4h 14mAllegiant Air
Fri 6/1210:34 amPDX - ATW
Nonstop3h 34mAllegiant Air
Deal found 1/4$236
This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
Fri 5/297:30 amATW - PDX
Nonstop4h 11mAllegiant Air
Fri 6/510:34 amPDX - ATW
Nonstop3h 34mAllegiant Air
Deal found 1/5$241
This Delta deal was found by Cheapflights users on 1/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/274:20 pmATW - PDX
1 stop6h 12mDelta
Sat 2/76:00 amPDX - ATW
1 stop7h 40mDelta
Deal found 1/5$251
This Delta deal was found by Cheapflights users on 1/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/276:45 amATW - PDX
2 stops12h 50mDelta
Wed 2/41:53 pmPDX - ATW
1 stop5h 36mDelta
Deal found 1/5$256
This Delta deal was found by Cheapflights users on 1/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/276:45 amATW - PDX
2 stops14h 05mDelta
Tue 2/107:37 pmPDX - ATW
2 stops12h 46mDelta
Deal found 1/5$262
This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
Mon 6/17:30 amATW - PDX
Nonstop4h 11mAllegiant Air
Mon 6/810:34 amPDX - ATW
Nonstop3h 34mAllegiant Air
Deal found 1/5$265
This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
Fri 5/297:30 amATW - PDX
Nonstop4h 11mAllegiant Air
Mon 6/810:34 amPDX - ATW
Nonstop3h 34mAllegiant Air
Deal found 1/5$276
This Delta deal was found by Cheapflights users on 1/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/264:20 pmATW - PDX
1 stop6h 12mDelta
Tue 2/31:53 pmPDX - ATW
1 stop5h 36mDelta
Deal found 1/5$280
This Delta deal was found by Cheapflights users on 1/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2612:03 pmATW - PDX
1 stop7h 32mDelta
Wed 2/116:00 amPDX - ATW
2 stops9h 43mDelta
Deal found 1/5$285
This Delta deal was found by Cheapflights users on 1/4. 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.
Sat 2/145:25 amATW - GEG
1 stop8h 10mDelta
Sat 2/212:05 pmGEG - ATW
1 stop5h 22mDelta
Deal found 1/4$289

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 January 6, 2026.
Use the filters below to find and compare flights from Oshkosh to Washington that are best for you.

Fly from

Oshkosh

Fly to

Washington

Route

Depart

Return

Price

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Wed 2/11

12:08 pm-5:35 pm

1 stop7h 27m

Portland

Wed 2/18

6:00 am-3:40 pm

1 stop7h 40m

$251

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Wed 3/4

12:12 pm-5:33 pm

1 stop7h 21m

Portland

Wed 3/11

11:15 pm-11:25 am

2 stops10h 10m

$285

AppletonSpokane

ATW - GEG

ATWGEG

Appleton Intl

Sat 2/14

4:22 pm-10:42 pm

2 stops8h 20m

Spokane

Sat 2/21

2:05 pm-9:27 pm

1 stop5h 22m

$294

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Fri 2/13

12:34 pm-7:03 pm

1 stop8h 29m

Seattle/Tacoma Intl

Wed 2/18

10:55 am-9:32 pm

1 stop8h 37m

$297

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Fri 2/13

12:09 pm-5:33 pm

1 stop7h 24m

Portland

Sun 2/15

6:00 am-3:40 pm

1 stop7h 40m

$309

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Fri 4/3

12:06 pm-5:39 pm

1 stop7h 33m

Portland

Tue 4/7

11:15 pm-10:32 am

1 stop9h 17m

$309

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Sat 1/24

4:20 pm-10:54 pm

2 stops8h 34m

Portland

Fri 1/30

12:40 am-11:23 am

1 stop8h 43m

$310

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Thu 3/12

2:39 pm-10:45 pm

1 stop10h 06m

Portland

Tue 3/17

11:10 pm-11:58 am

2 stops10h 48m

$314

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Wed 5/6

5:35 pm-10:08 pm

1 stop6h 33m

Portland

Sat 5/9

8:45 am-8:58 pm

2 stops10h 13m

$314

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Tue 4/7

4:24 pm-9:12 pm

1 stop6h 48m

Portland

Tue 4/14

11:15 pm-11:25 am

2 stops10h 10m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Showing 1-10 of 43 results
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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 month to book a flight from Oshkosh to State of Washington?

Currently, December is the cheapest month in which you can book a flight from Oshkosh to State of Washington (average of $157). Flying from Oshkosh to State of Washington in May is currently the most expensive (average of $230). 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 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 January 6, 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.

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 January 6, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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.

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

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.

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

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.

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

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.

Overall

7.9

Entertainment

7.8

Comfort

7.9

Food

7.2

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 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?

  • 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 7h 27m. Fly via Delta or United Airlines to get the fastest option. The distance from Oshkosh to State of Washington is about 1656 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 Delta, with whom users have recently found tickets for as low as $135. However, be on the lookout for offers from American Airlines and United Airlines, 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?

  • 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 (64%), Qatar Airways (62%) and Alaska Airlines (61%).

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

    Looking at all options, your cheapest flight can be booked for $128. While the most popular route (Appleton Intl - Portland) can be booked for $236 on average, our data indicates $680 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.

  • What is the cheapest month to book a flight from Oshkosh to State of Washington?

    Currently, December is the cheapest month in which you can book a flight from Oshkosh to State of Washington (average of $157). Flying from Oshkosh to State of Washington in May is currently the most expensive (average of $230). 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.

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.

Top 8 airlines flying from Oshkosh to Washington

Discover the top 8 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$122Average$290FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$137Average$374FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$165Average$391FlexibilityNo cancel feeOn-time63%
DeltaCheapest$173Average$435FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$179Average$452FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$452FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$237Average$520FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$257Average$400FlexibilityNo cancel feeOn-time85%

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