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$88+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SEA
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$136
(Booking.com)

One-way from

$88
(Booking.com)

Popular in

July

Cheapest in

February

Average price

$520
Provider with most accurate pricing for Appleton Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Appleton Intl-Seattle/Tacoma Intl flights.
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From Oshkosh to Washington
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One-way flight from Oshkosh to Washington
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Highest demand for flights based on searches. 23% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/282:45 pmATW - PDX
Nonstop4h 01mAllegiant Air
Thu 10/25:53 pmPDX - ATW
Nonstop3h 37mAllegiant Air
Deal found 3/30$128
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 4/234:02 pmATW - PDX
1 stop9h 00mAmerican Airlines
Sat 4/2610:00 pmPDX - ATW
1 stop10h 36mAmerican Airlines
Deal found 3/30$229
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/294:22 pmATW - PDX
2 stops9h 22mDelta
Sat 5/310:59 pmPDX - ATW
1 stop9h 25mDelta
Deal found 3/30$234
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/303:43 pmATW - SEA
1 stop9h 00mUnited Airlines
Wed 5/77:00 amSEA - ATW
1 stop6h 09mUnited Airlines
Deal found 3/31$271
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Fri 5/169:00 amATW - SEA
1 stop17h 10mMultiple Airlines
Wed 5/286:00 amSEA - ATW
1 stop7h 26mMultiple Airlines
Deal found 3/30$284
This Delta deal was found by Cheapflights users on 3/31. 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 5/245:15 pmATW - SEA
1 stop7h 08mDelta
Fri 5/306:00 amSEA - ATW
1 stop8h 32mDelta
Deal found 3/31$294
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/295:00 amATW - SEA
1 stop9h 33mAmerican Airlines
Mon 5/1211:59 pmSEA - ATW
1 stop8h 57mAmerican Airlines
Deal found 3/31$317
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/224:22 pmATW - GEG
2 stops9h 22mDelta
Tue 4/292:15 pmGEG - ATW
1 stop4h 58mDelta
Deal found 3/30$324
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:50 pmATW - PDX
2 stops13h 41mUnited Airlines
Tue 5/136:50 amPDX - ATW
2 stops10h 18mUnited Airlines
Deal found 3/30$329
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Fri 5/236:30 amATW - PDX
1 stop12h 15mMultiple Airlines
Mon 5/2610:13 amPDX - ATW
Nonstop3h 50mMultiple Airlines
Deal found 3/30$335
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 10/16:19 amATW - GEG
1 stop8h 16mAmerican Airlines
Sun 10/121:40 pmGEG - ATW
1 stop5h 59mAmerican Airlines
Deal found 3/30$379
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2212:50 pmATW - GEG
2 stops27h 46mUnited Airlines
Tue 4/295:14 amGEG - ATW
2 stops11h 49mUnited Airlines
Deal found 3/30$481

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 March 31, 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

$136

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Wed 4/23

4:02 pm-11:02 pm

1 stop9h 00m

Portland

Sat 4/26

10:00 pm-10:36 am

1 stop10h 36m

$229

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Tue 4/29

4:22 pm-11:44 pm

2 stops9h 22m

Portland

Sat 5/3

10:59 pm-10:24 am

1 stop9h 25m

$234

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Wed 4/30

3:43 pm-10:43 pm

1 stop9h 00m

Seattle/Tacoma Intl

Wed 5/7

7:00 am-3:09 pm

1 stop6h 09m

$271

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Fri 5/16

9:00 am-12:10 am

1 stop17h 10m

Seattle/Tacoma Intl

Wed 5/28

6:00 am-3:26 pm

1 stop7h 26m

$284

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Sat 5/24

5:15 pm-10:23 pm

1 stop7h 08m

Seattle/Tacoma Intl

Fri 5/30

6:00 am-4:32 pm

1 stop8h 32m

$294

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Tue 4/29

5:00 am-12:33 pm

1 stop9h 33m

Seattle/Tacoma Intl

Mon 5/12

11:59 pm-10:56 am

1 stop8h 57m

$317

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Wed 9/3

1:10 pm-6:31 pm

1 stop7h 21m

Portland

Wed 9/10

7:00 am-3:10 pm

1 stop6h 10m

$319

AppletonSpokane

ATW - GEG

ATWGEG

Appleton Intl

Tue 4/22

4:22 pm-11:44 pm

2 stops9h 22m

Spokane

Tue 4/29

2:15 pm-9:13 pm

1 stop4h 58m

$324

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Fri 5/23

6:30 am-4:45 pm

1 stop12h 15m

Portland

Mon 5/26

10:13 am-4:03 pm

Nonstop3h 50m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 22 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 $411). 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 March 31, 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 March 31, 2025.

The most flights from OS9 to USWA are scheduled on a Monday (4 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 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 March 31, 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
7,899 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
731 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 $88. 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 - 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 American Airlines (84%), Alaska Airlines (84%) and Hawaiian Airlines (84%).

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

    Looking at all options, your cheapest flight can be booked for $145. While the most popular route (Appleton Intl - Portland) can be booked for $144 on average our data indicates $980 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 $411). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$267FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$130Average$235FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$153Average$350FlexibilityNo cancel feeOn-time83%
DeltaCheapest$179Average$482FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$481FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$229Average$521FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$259Average$509FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$264Average$471FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$269Average$508FlexibilityNo cancel feeOn-time63%
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