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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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SEA
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
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Cheap 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 May 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/17. 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 am
ATW
-
PDX
Nonstop4h 11m
Allegiant Air
Mon 6/110:31 am
PDX
-
ATW
Nonstop3h 44m
Allegiant Air
Deal found 5/17$145
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 am
ATW
-
PDX
Nonstop4h 11m
Allegiant Air
Fri 6/510:34 am
PDX
-
ATW
Nonstop3h 34m
Allegiant Air
Deal found 5/20$147
This Super.com deal was found by Cheapflights users on 5/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:30 am
ATW
-
PDX
Nonstop4h 11m
Allegiant Air
Fri 6/510:34 am
PDX
-
ATW
Nonstop3h 34m
Allegiant Air
Deal found 5/19$156
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 am
ATW
-
PDX
Nonstop4h 11m
Allegiant Air
Mon 6/810:34 am
PDX
-
ATW
Nonstop3h 34m
Allegiant Air
Deal found 5/20$169
This Cheapflightsfares deal was found by Cheapflights users on 5/19. 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.
Mon 5/257:30 am
ATW
-
PDX
Nonstop4h 11m
Allegiant Air
Fri 5/2910:31 am
PDX
-
ATW
Nonstop3h 44m
Allegiant Air
Deal found 5/19$176
This Super.com deal was found by Cheapflights users on 5/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:30 am
ATW
-
PDX
Nonstop4h 14m
Allegiant Air
Mon 6/810:34 am
PDX
-
ATW
Nonstop3h 34m
Allegiant Air
Deal found 5/20$177
This American Airlines deal was found by Cheapflights users on 5/20. 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 9/156:01 am
ATW
-
SEA
1 stop10h 51m
American Airlines
Sat 9/193:12 pm
SEA
-
ATW
1 stop5h 53m
American Airlines
Deal found 5/20$319
This United Airlines deal was found by Cheapflights users on 5/16. 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 9/165:00 pm
ATW
-
SEA
1 stop7h 45m
United Airlines
Tue 9/2211:03 am
SEA
-
ATW
2 stops8h 35m
United Airlines
Deal found 5/16$324
This American Airlines deal was found by Cheapflights users on 5/20. 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 7/1012:39 pm
ATW
-
GEG
1 stop10h 06m
American Airlines
Fri 7/172:29 pm
GEG
-
ATW
1 stop7h 41m
American Airlines
Deal found 5/20$329
This American Airlines deal was found by Cheapflights users on 5/16. 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.
Sat 9/511:27 am
ATW
-
GEG
2 stops11h 15m
American Airlines
Sat 9/191:58 pm
GEG
-
ATW
1 stop7h 07m
American Airlines
Deal found 5/16$334
This Delta deal was found by Cheapflights users on 5/18. 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.
Fri 9/251:26 pm
ATW
-
SEA
1 stop9h 03m
Delta
Tue 9/291:45 pm
SEA
-
ATW
1 stop5h 42m
Delta
Deal found 5/18$334
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Sat 8/12:24 pm
ATW
-
SEA
1 stop22h 15m
Multiple Airlines
Thu 8/138:12 pm
SEA
-
ATW
1 stop17h 05m
Multiple Airlines
Deal found 5/17$335

Find flight deals from Oshkosh to Washington

Keep the following information in mind while searching for Oshkosh to Washington flight deals. Data was last updated May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$156
(Super.com)

One-way from

$88
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$388
Provider with most accurate pricing for Appleton Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-Seattle/Tacoma Intl flights.
Search Deals
From Oshkosh to Washington
Search Deals
One-way flight from Oshkosh to Washington
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 21, 2026.
Use the filters below to find and compare flights from Oshkosh to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AppletonSpokane

ATW - GEG

ATWGEG

Appleton Intl

Fri 7/10

12:39 pm-8:45 pm

1 stop10h 06m

Spokane

Fri 7/17

2:29 pm-12:10 am

1 stop7h 41m

$329

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Fri 9/11

5:00 pm-10:45 pm

1 stop7h 45m

Seattle/Tacoma Intl

Tue 9/15

11:03 am-9:38 pm

2 stops8h 35m

$339

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Tue 9/22

6:30 am-12:54 pm

1 stop8h 24m

Portland

Tue 9/29

6:15 am-3:33 pm

1 stop7h 18m

$349

AppletonSpokane

ATW - GEG

ATWGEG

Appleton Intl

Fri 8/21

5:31 am-4:09 pm

2 stops12h 38m

Spokane

Fri 8/28

7:54 pm-10:20 am

2 stops12h 26m

$359

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Wed 9/30

12:06 pm-3:58 pm

1 stop5h 52m

Portland

Mon 10/5

10:55 pm-10:29 am

1 stop9h 34m

$369

AppletonSpokane

ATW - GEG

ATWGEG

Appleton Intl

Sat 9/5

12:35 pm-8:42 pm

1 stop10h 07m

Spokane

Sat 9/19

1:58 pm-11:05 pm

1 stop7h 07m

$379

AppletonSeattle

ATW - SEA

ATWSEA

Appleton Intl

Thu 8/20

2:06 pm-10:05 pm

1 stop9h 59m

Seattle/Tacoma Intl

Tue 8/25

5:10 am-1:24 pm

1 stop6h 14m

$379

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Fri 6/26

4:16 pm-11:18 pm

1 stop9h 02m

Portland

Sun 6/28

12:33 am-10:47 am

1 stop8h 14m

$384

AppletonSpokane

ATW - GEG

ATWGEG

Appleton Intl

Sat 9/5

4:05 pm-11:44 pm

2 stops9h 39m

Spokane

Sat 9/19

7:00 am-9:57 pm

2 stops12h 57m

$384

AppletonPortland

ATW - PDX

ATWPDX

Appleton Intl

Sat 6/20

6:00 am-12:40 pm

1 stop8h 40m

Portland

Thu 6/25

12:33 am-10:47 am

1 stop8h 14m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 43 resultsSorted by cheapest first
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5

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 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 May 21, 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 May 21, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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
7.9
Good
8,451 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.9
Good
8,451 reviews
Delta
7.9
Good
8,451 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
United Airlines
7.4
Good
9,748 reviews
Delta
7.9
Good
8,451 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
American Airlines
7.1
Good
11,641 reviews
Delta
7.9
Good
8,451 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

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 12 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 7h 45m. Fly via American Airlines, United Airlines, or Delta to get the fastest option. The distance from Oshkosh to State of Washington is about 1627 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 United Airlines, with whom users have recently found tickets for as low as $143. 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 - 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%), American Airlines (92%) and Alaska Airlines (92%).

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

    Looking at all options, your cheapest flight can be booked for $158. While the most popular route (Appleton Intl - Seattle/Tacoma Intl) can be booked for $319 on average, our data indicates $425 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.

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 7 airlines flying from Oshkosh to Washington

Discover the top 7 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 May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$255FlexibilityNo cancel feeOn-time62%
DeltaCheapest$130Average$428FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$176Average$344FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$178Average$435FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$199Average$440FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$208Average$372FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$226Average$414FlexibilityNo cancel feeOn-time69%

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