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$70+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$128
(Cheapflightsfares)

One-way from

$70
(Gotogate)

Popular in

June

Cheapest in

February

Average price

$618
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 ($90 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 June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Thu 9/42:45 pmATW - PDX
Nonstop4h 01mAllegiant Air
Thu 9/115:36 pmPDX - ATW
Nonstop3h 41mAllegiant Air
Deal found 6/10$128
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Fri 7/47:35 amATW - PDX
Nonstop4h 09mMultiple Airlines
Tue 7/812:12 pmPDX - ATW
2 stops25h 35mMultiple Airlines
Deal found 6/11$226
This Delta deal was found by Cheapflights users on 6/10. 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 9/2012:06 pmATW - PDX
1 stop6h 01mDelta
Tue 9/2311:39 amPDX - ATW
1 stop7h 56mDelta
Deal found 6/10$251
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/109:37 amATW - SEA
1 stop12h 32mAmerican Airlines
Wed 9/173:00 pmSEA - ATW
1 stop16h 07mAmerican Airlines
Deal found 6/11$277
This Delta deal was found by Cheapflights users on 6/11. 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 9/135:20 pmATW - SEA
1 stop8h 25mDelta
Mon 9/2212:40 amSEA - ATW
1 stop8h 35mDelta
Deal found 6/11$289
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/279:36 amATW - PDX
1 stop6h 53mAmerican Airlines
Tue 9/29:59 amPDX - ATW
1 stop9h 24mAmerican Airlines
Deal found 6/11$295
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/192:41 pmATW - SEA
2 stops10h 18mUnited Airlines
Tue 9/237:00 amSEA - ATW
1 stop7h 49mUnited Airlines
Deal found 6/9$305
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/295:25 pmATW - PDX
1 stop7h 00mUnited Airlines
Thu 9/45:00 amPDX - ATW
2 stops9h 49mUnited Airlines
Deal found 6/11$306
This Delta deal was found by Cheapflights users on 6/9. 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 8/267:00 amATW - GEG
2 stops13h 45mDelta
Sat 8/306:50 amGEG - ATW
1 stop6h 42mDelta
Deal found 6/9$329
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sat 7/192:04 pmATW - SEA
1 stop28h 21mMultiple Airlines
Wed 7/235:30 pmSEA - ATW
2 stops27h 45mMultiple Airlines
Deal found 6/11$351
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/107:00 amATW - GEG
2 stops36h 02mMultiple Airlines
Thu 7/179:33 amGEG - ATW
1 stop27h 42mMultiple Airlines
Deal found 6/10$441
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 10/196:23 amATW - GEG
1 stop7h 20mAmerican Airlines
Sat 10/2512:20 pmGEG - ATW
1 stop6h 46mAmerican Airlines
Deal found 6/11$444

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 12, 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

Thu 9/4

2:45 pm-4:46 pm

Nonstop4h 01m

Portland

Thu 9/11

5:36 pm-11:17 pm

Nonstop3h 41m

$128

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Fri 7/4

7:35 am-9:44 am

Nonstop4h 09m

Portland

Tue 7/8

12:12 pm-3:47 pm

2 stops25h 35m

$226

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Sat 9/20

12:06 pm-4:07 pm

1 stop6h 01m

Portland

Tue 9/23

11:39 am-9:35 pm

1 stop7h 56m

$251

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Wed 9/10

9:37 am-8:09 pm

1 stop12h 32m

Seattle/Tacoma Intl

Wed 9/17

3:00 pm-9:07 am

1 stop16h 07m

$277

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Sat 9/13

5:20 pm-11:45 pm

1 stop8h 25m

Seattle/Tacoma Intl

Mon 9/22

12:40 am-11:15 am

1 stop8h 35m

$289

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Wed 8/27

9:36 am-2:29 pm

1 stop6h 53m

Portland

Tue 9/2

1:20 pm-10:14 pm

1 stop6h 54m

$295

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Fri 9/19

2:41 pm-10:59 pm

2 stops10h 18m

Seattle/Tacoma Intl

Tue 9/23

7:00 am-4:49 pm

1 stop7h 49m

$305

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Fri 8/29

5:25 pm-10:25 pm

1 stop7h 00m

Portland

Thu 9/4

5:00 am-4:49 pm

2 stops9h 49m

$306

AppletonSpokane

ATW - GEG

ATWGEG

Appleton Intl

Tue 8/26

7:00 am-6:45 pm

2 stops13h 45m

Spokane

Sat 8/30

6:50 am-3:32 pm

1 stop6h 42m

$329

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Sat 7/19

2:04 pm-4:25 pm

1 stop28h 21m

Seattle/Tacoma Intl

Wed 7/23

5:30 pm-11:15 pm

2 stops27h 45m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 27 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, 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 $391). 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 June 12, 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.

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 12, 2025.

The most flights from OS9 to USWA are scheduled on a Thursday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and Allegiant Air from Oshkosh to Washington by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 $70. However, be on the lookout for offers from Delta and American 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?

    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 Qatar Airways (100%), Hawaiian Airlines (98%) and Air Tahiti Nui (98%).

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

    Looking at all options, your cheapest flight can be booked for $148. While the most popular route (Appleton Intl - Seattle/Tacoma Intl) can be booked for $289 on average our data indicates $1,501 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 $391). 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.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$122Average$282FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$138Average$235FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$152Average$350FlexibilityNo cancel feeOn-time83%
DeltaCheapest$178Average$473FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$222Average$513FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$476FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$238Average$484FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$257Average$429FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$263Average$503FlexibilityNo cancel feeOn-time75%

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