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$64+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SEA
Sep 1 — Sep 81
Mon 9/1
Mon 9/8
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 August 27, 2025.

Round-trip from

$128
(Cheapflightsfares)

One-way from

$64
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$525
From Oshkosh to Washington
Search Deals
One-way flight from Oshkosh to Washington
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 27, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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
Sun 9/75:36 pmPDX - ATW
Nonstop3h 41mAllegiant Air
Deal found 8/27$125
This FlightHub deal was found by Cheapflights users on 8/27. 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 FlightHub 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 8/27$126
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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
Sun 9/145:36 pmPDX - ATW
Nonstop3h 41mAllegiant Air
Deal found 8/25$134
This FlightHub deal was found by Cheapflights users on 8/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/112:45 pmATW - PDX
Nonstop4h 01mAllegiant Air
Thu 10/25:53 pmPDX - ATW
Nonstop3h 37mAllegiant Air
Deal found 8/27$141
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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.
Sun 10/192:42 pmATW - PDX
Nonstop4h 21mAllegiant Air
Thu 10/235:53 pmPDX - ATW
Nonstop3h 37mAllegiant Air
Deal found 8/27$147
This Justfly.com deal was found by Cheapflights users on 8/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/252:45 pmATW - PDX
Nonstop4h 01mAllegiant Air
Thu 10/25:53 pmPDX - ATW
Nonstop3h 37mAllegiant Air
Deal found 8/26$148
This Delta deal was found by Cheapflights users on 8/25. 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.
Thu 10/234:17 pmATW - GEG
1 stop5h 29mDelta
Tue 10/289:45 amGEG - ATW
2 stops9h 50mDelta
Deal found 8/25$274
This Delta deal was found by Cheapflights users on 8/26. 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 9/274:16 pmATW - GEG
2 stops8h 57mDelta
Fri 10/310:58 pmGEG - ATW
2 stops9h 30mDelta
Deal found 8/26$279
This Delta deal was found by Cheapflights users on 8/25. 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.
Wed 10/15:35 amATW - SEA
1 stop8h 29mDelta
Tue 10/76:00 amSEA - ATW
1 stop7h 37mDelta
Deal found 8/25$289
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/306:00 amATW - SEA
2 stops10h 48mAmerican Airlines
Mon 10/1312:34 amSEA - ATW
1 stop6h 49mAmerican Airlines
Deal found 8/25$294
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Mon 9/223:45 pmATW - SEA
1 stop8h 35mUnited Airlines
Sat 9/277:00 amSEA - ATW
1 stop7h 49mUnited Airlines
Deal found 8/26$305
This Delta deal was found by Cheapflights users on 8/25. 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 11/44:17 pmATW - SEA
1 stop6h 03mDelta
Sat 11/86:00 amSEA - ATW
1 stop8h 12mDelta
Deal found 8/25$310

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 August 27, 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 9/7

2:45 pm-4:46 pm

Nonstop4h 01m

Portland

Thu 9/11

5:36 pm-11:17 pm

Nonstop3h 41m

$136

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Sun 9/28

2:45 pm-4:46 pm

Nonstop4h 01m

Portland

Thu 10/2

5:53 pm-11:30 pm

Nonstop3h 37m

$136

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Sun 9/14

2:45 pm-4:46 pm

Nonstop4h 01m

Portland

Thu 10/2

5:53 pm-11:30 pm

Nonstop3h 37m

$136

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Sun 9/21

2:45 pm-4:46 pm

Nonstop4h 01m

Portland

Thu 9/25

5:36 pm-11:17 pm

Nonstop3h 41m

$140

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Sun 9/28

2:45 pm-4:46 pm

Nonstop4h 01m

Portland

Sun 10/5

5:53 pm-11:30 pm

Nonstop3h 37m

$140

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Thu 9/11

2:45 pm-4:46 pm

Nonstop4h 01m

Portland

Thu 10/2

5:53 pm-11:30 pm

Nonstop3h 37m

$141

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Sun 10/19

2:42 pm-5:03 pm

Nonstop4h 21m

Portland

Thu 10/23

5:53 pm-11:30 pm

Nonstop3h 37m

$147

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Thu 9/25

2:45 pm-4:46 pm

Nonstop4h 01m

Portland

Thu 10/2

5:53 pm-11:30 pm

Nonstop3h 37m

$148

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Thu 10/2

2:42 pm-5:03 pm

Nonstop4h 21m

Portland

Sun 10/5

5:53 pm-11:30 pm

Nonstop3h 37m

$152

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Sun 9/14

2:45 pm-4:46 pm

Nonstop4h 01m

Portland

Sun 10/5

5:53 pm-11:30 pm

Nonstop3h 37m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 52 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 June is currently the most expensive (average of $388). 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 August 27, 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 August 27, 2025.

The most flights from OS9 to USWA are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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 August 27, 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
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

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
8,945 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

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
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

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 24 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 4h 01m. Fly via Allegiant Air, Delta, or American 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 Allegiant Air, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from Delta 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?

    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 (87%), American Airlines (80%) and Alaska Airlines (80%).

  • 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 $758 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 June is currently the most expensive (average of $388). 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 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 August 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$122Average$289FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$137Average$374FlexibilityNo cancel feeOn-time83%
DeltaCheapest$176Average$450FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$176Average$443FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$220Average$484FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$475FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$257Average$398FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$257Average$497FlexibilityNo cancel feeOn-time75%

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