HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oregon

$310+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — PDX
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Decatur to Oregon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 23, 2026.

This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:20 pm
DEC
-
PDX
1 stop6h 42m
United Airlines
Sun 7/1210:40 pm
PDX
-
DEC
1 stop8h 17m
United Airlines
Deal found 4/20$364
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 8/269:42 am
DEC
-
PDX
1 stop15h 27m
United Airlines
Tue 9/12:15 pm
PDX
-
DEC
1 stop16h 31m
United Airlines
Deal found 4/23$448
This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:37 am
DEC
-
PDX
1 stop14h 53m
United Airlines
Sat 6/65:00 pm
PDX
-
DEC
1 stop13h 57m
United Airlines
Deal found 4/20$462
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/87:25 pm
DEC
-
PDX
1 stop6h 33m
United Airlines
Tue 5/122:38 pm
PDX
-
DEC
1 stop16h 20m
United Airlines
Deal found 4/23$478
This United Airlines deal was found by Cheapflights users on 4/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:25 pm
DEC
-
PDX
1 stop6h 30m
United Airlines
Fri 5/811:59 pm
PDX
-
DEC
2 stops30h 59m
United Airlines
Deal found 4/19$613

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$364
(United Airlines)

One-way from

$310
(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
Search Deals

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 April 23, 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

Thu 7/9

7:20 pm-12:02 am

1 stop6h 42m

Portland

Sun 7/12

10:40 pm-8:57 am

1 stop8h 17m

$364

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Wed 8/26

9:42 am-11:09 pm

1 stop15h 27m

Portland

Tue 9/1

2:15 pm-8:46 am

1 stop16h 31m

$448

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Fri 5/8

7:25 pm-11:58 pm

1 stop6h 33m

Portland

Tue 5/12

2:38 pm-8:58 am

1 stop16h 20m

$478

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Mon 5/4

7:25 pm-11:55 pm

1 stop6h 30m

Portland

Fri 5/8

11:59 pm-8:58 am

2 stops30h 59m

$613

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 5/5

7:25 pm-11:37 am

1 stop18h 12m

Portland

Sat 5/9

11:55 pm-8:58 am

1 stop7h 03m

$619

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Wed 7/1

7:20 pm-12:02 am

1 stop6h 42m

Portland

Sun 7/5

11:59 pm-5:56 pm

2 stops15h 57m

$785
Cheapest one-way
Quickest one-way

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Sun 5/10

7:25 pm-10:35 pm

1 stop29h 10m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 6h 42m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Decatur to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Newark flights
O'Hare Intl to Orlando flights
O'Hare Intl to Seattle flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Denver flights
O'Hare Intl to Miami flights
O'Hare Intl to San Francisco flights
Midway to Dallas/Fort Worth flights
O'Hare Intl to Sky Harbor Intl flights
Midway to Newark flights
O'Hare Intl to Fort Lauderdale flights
O'Hare Intl to San Diego flights
O'Hare Intl to Atlanta flights
Midway to Las Vegas flights
O'Hare Intl to Boston flights
O'Hare Intl to Baltimore flights
O'Hare Intl to Hobby flights
O'Hare Intl to New Orleans flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Ontario flights
Midway to Orlando flights
O'Hare Intl to Tampa flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Nashville flights
O'Hare Intl to Fort Myers flights
Midway to Miami flights
O'Hare Intl to Reagan-National flights
Midway to John F Kennedy Intl flights
Midway to Los Angeles flights
O'Hare Intl to George Bush Intcntl flights
Midway to Fort Lauderdale flights
Midway to Atlanta flights
St. Louis to Las Vegas flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to Austin flights
O'Hare Intl to Love Field flights
Midway to LaGuardia flights
Midway to Seattle flights
St. Louis to Orlando flights
St. Louis to Seattle flights
Midway to Tampa flights
O'Hare Intl to Minneapolis flights
O'Hare Intl to Portland flights
O'Hare Intl to Honolulu flights
O'Hare Intl to Charleston flights
St. Louis to Denver flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights