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$76+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$128
(Booking.com)

One-way from

$76
(Booking.com)

Popular in

June

Cheapest in

February

Average price

$591
From Oshkosh to Washington
Search Deals
One-way flight from Oshkosh to Washington
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 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 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 July 3, 2025.

This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/142:45 pmATW - PDX
Nonstop4h 01mAllegiant Air
Thu 9/185:36 pmPDX - ATW
Nonstop3h 41mAllegiant Air
Deal found 7/1$128
This American Airlines deal was found by Cheapflights users on 6/30. 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 9/166:29 amATW - PDX
1 stop8h 21mAmerican Airlines
Tue 9/3011:30 amPDX - ATW
1 stop8h 55mAmerican Airlines
Deal found 6/30$251
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Mon 7/217:00 amATW - PDX
1 stop9h 15mMultiple Airlines
Mon 7/2810:34 amPDX - ATW
Nonstop3h 33mMultiple Airlines
Deal found 6/30$260
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:30 amATW - PDX
1 stop8h 33mDelta
Fri 11/1412:40 amPDX - ATW
1 stop8h 35mDelta
Deal found 7/1$273
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.
Sat 9/66:28 amATW - SEA
1 stop6h 17mDelta
Wed 9/1711:35 amSEA - ATW
1 stop9h 05mDelta
Deal found 7/2$289
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.
Tue 8/265:34 amATW - GEG
1 stop8h 01mDelta
Sat 8/306:50 amGEG - ATW
1 stop6h 42mDelta
Deal found 7/2$294
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:35 pmATW - SEA
1 stop7h 06mAmerican Airlines
Sat 8/236:30 amSEA - ATW
2 stops9h 34mAmerican Airlines
Deal found 7/1$294
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2910:00 amATW - SEA
1 stop15h 42mMultiple Airlines
Tue 8/56:25 amSEA - ATW
1 stop7h 17mMultiple Airlines
Deal found 7/1$309
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.
Fri 11/146:30 amATW - GEG
1 stop6h 25mUnited Airlines
Sun 11/1611:25 amGEG - ATW
1 stop8h 08mUnited Airlines
Deal found 7/2$326
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/202:41 pmATW - SEA
1 stop9h 39mUnited Airlines
Wed 9/247:00 amSEA - ATW
1 stop7h 49mUnited Airlines
Deal found 7/1$334
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:00 amATW - GEG
1 stop8h 20mAmerican Airlines
Mon 10/2712:33 pmGEG - ATW
1 stop7h 07mAmerican Airlines
Deal found 7/2$344

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 July 3, 2025.
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

Sun 9/14

2:45 pm-4:46 pm

Nonstop4h 01m

Portland

Thu 9/18

5:36 pm-11:17 pm

Nonstop3h 41m

$128

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Tue 9/16

6:29 am-12:50 pm

1 stop8h 21m

Portland

Tue 9/30

11:30 am-10:25 pm

1 stop8h 55m

$251

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Mon 7/21

7:00 am-2:15 pm

1 stop9h 15m

Portland

Mon 7/28

10:34 am-4:07 pm

Nonstop3h 33m

$260

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Sat 9/6

4:12 pm-8:59 pm

1 stop6h 47m

Portland

Wed 9/10

12:12 pm-10:53 pm

1 stop8h 41m

$273

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Sat 9/6

6:28 am-10:45 am

1 stop6h 17m

Seattle/Tacoma Intl

Wed 9/17

11:35 am-10:40 pm

1 stop9h 05m

$289

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Mon 8/18

6:35 pm-11:41 pm

1 stop7h 06m

Seattle/Tacoma Intl

Sat 8/23

6:30 am-6:04 pm

2 stops9h 34m

$294

AppletonSpokane

ATW - GEG

ATWGEG

Appleton Intl

Tue 8/26

5:34 am-11:35 am

1 stop8h 01m

Spokane

Sat 8/30

6:50 am-3:32 pm

1 stop6h 42m

$294

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Tue 7/29

10:00 am-11:42 pm

1 stop15h 42m

Seattle/Tacoma Intl

Tue 8/5

6:25 am-3:42 pm

1 stop7h 17m

$309

AppletonSpokane

ATW - GEG

ATWGEG

Appleton Intl

Fri 11/14

6:30 am-10:55 am

1 stop6h 25m

Spokane

Sun 11/16

11:25 am-9:33 pm

1 stop8h 08m

$326

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Sat 9/20

2:41 pm-10:20 pm

1 stop9h 39m

Seattle/Tacoma Intl

Wed 9/24

7:00 am-4:49 pm

1 stop7h 49m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 21 results
1
2
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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, January is the cheapest month in which you can book a flight from Oshkosh to State of Washington (average of $238). Flying from Oshkosh to State of Washington in July is currently the most expensive (average of $390). 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 July 3, 2025.

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 July 3, 2025.
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.
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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!
Allegiant Air
7.2
Good
709 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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 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 29 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $76. 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 - Seattle/Tacoma Intl or Appleton Intl - Spokane, Appleton Intl - Portland 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 Qatar Airways (95%), Air Tahiti Nui (93%) and Hawaiian Airlines (92%).

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

    Looking at all options, your cheapest flight can be booked for $147. While the most popular route (Appleton Intl - Portland) can be booked for $128 on average our data indicates $400 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, January is the cheapest month in which you can book a flight from Oshkosh to State of Washington (average of $238). Flying from Oshkosh to State of Washington in July is currently the most expensive (average of $390). 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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Top 9 airlines flying from Oshkosh to Washington

Discover the top 9 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$87Average$219FlexibilityNo cancel feeOn-time65%
FrontierCheapest$122Average$283FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$137Average$350FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$176Average$446FlexibilityNo cancel feeOn-time63%
DeltaCheapest$179Average$465FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$221Average$515FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$475FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$257Average$406FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$260Average$508FlexibilityNo cancel feeOn-time75%

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