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$406+ Cheap flights from Decatur, IL (DEC) to Oregon

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — PDX
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Decatur to Oregon

Cheapest flights from Decatur to Oregon
Explore the most affordable flight options available from Decatur to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/23. 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 8/76:45 pm
DEC
-
PDX
1 stop16h 49m
United Airlines
Tue 8/1111:02 pm
PDX
-
DEC
1 stop6h 07m
United Airlines
Deal found 7/23$594
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/86:45 pm
DEC
-
PDX
1 stop18h 52m
United Airlines
Wed 8/127:16 am
PDX
-
DEC
1 stop8h 43m
United Airlines
Deal found 7/24$617
This United Airlines deal was found by Cheapflights users on 7/22. 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 10/276:55 pm
DEC
-
PDX
1 stop18h 58m
United Airlines
Fri 10/3010:59 pm
PDX
-
DEC
1 stop16h 52m
United Airlines
Deal found 7/22$641
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/129:12 am
DEC
-
PDX
1 stop11h 41m
United Airlines
Sun 8/1611:02 pm
PDX
-
DEC
1 stop16h 57m
United Airlines
Deal found 7/24$664
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 8/66:45 pm
DEC
-
PDX
1 stop16h 49m
United Airlines
Mon 8/1011:40 pm
PDX
-
DEC
1 stop16h 19m
United Airlines
Deal found 7/22$752

Find flight deals from Decatur to Oregon

Keep the following information in mind while searching for Decatur to Oregon flight deals. Data was last updated July 27, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$566
(United Airlines)

One-way from

$406
(United Airlines)
Provider with most accurate pricing for Decatur Arpt-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Decatur Arpt-Portland flights.
Search Deals
From Decatur Arpt to Oregon
Search Deals
One-way flight from Decatur Arpt to Oregon
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Decatur to Oregon 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 27, 2026.
Use the filters below to find and compare flights from Decatur to Oregon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Fri 8/7

6:45 pm-9:47 am

2 stops17h 02m

Portland

Tue 8/11

11:02 pm-7:09 am

1 stop6h 07m

$604

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Sat 8/8

6:45 pm-11:37 am

1 stop18h 52m

Portland

Wed 8/12

7:16 am-5:59 pm

1 stop8h 43m

$617

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 10/27

6:55 pm-11:53 am

1 stop18h 58m

Portland

Fri 10/30

10:59 pm-5:51 pm

1 stop16h 52m

$641

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Wed 8/12

9:12 am-6:53 pm

1 stop11h 41m

Portland

Sun 8/16

11:02 pm-5:59 pm

1 stop16h 57m

$664

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Thu 8/6

6:45 pm-9:34 am

1 stop16h 49m

Portland

Mon 8/10

11:40 pm-5:59 pm

1 stop16h 19m

$752
Cheapest one-way
Quickest one-way

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 8/4

6:45 pm-6:47 pm

1 stop26h 02m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Sorted by cheapest first

Best time to book a flight from Decatur to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon from Decatur 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 Decatur to Oregon

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Decatur to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Decatur to Oregon?

    For a flight from Decatur to Oregon, you will be flying from Decatur Arpt. Decatur Arpt (DEC) is just 4.7 mi from the center of the city.

  • How long is the flight from Decatur, Illinois to Oregon?

    United Airlines can get you from Decatur, Illinois to Oregon in just under 17h 02m. Your travel time can differ by up to . The distance between Decatur, Illinois and Oregon is about 1743 mi.

  • Can I find deals for flights from Decatur to Oregon that include hotel bookings?

    Yes. In addition to deals on Decatur to Oregon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Decatur to Oregon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Decatur to Oregon.

  • Can I find deals for business class flights from Decatur to Oregon?

    Yes. Cheapflights offers flight deals from Decatur to Oregon 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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