$267+ Cheap flights from Oregon to Decatur, IL (DEC)
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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEC
Oct 15 — Oct 221
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Oregon to Decatur 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 Oregon to Decatur
Keep the following information in mind while searching for Oregon to Decatur flight deals. Data was last updated September 15, 2025.
Round-trip from | $374 (United Airlines) |
|---|---|
One-way from | $267 (United Airlines) |
Find flight deals from Oregon to Decatur
Cheapest flights from Oregon to DecaturExplore the most affordable flight options available from Oregon to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.
Explore the most affordable flight options available from Oregon to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/2911:59 pmPDX - DEC
1 stop6h 49mUnited Airlines
Sat 11/17:08 pmDEC - PDX
1 stop19h 40mUnited Airlines
Deal found 9/15![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/2911:59 pmPDX - DEC
1 stop6h 52mUnited Airlines
Fri 10/39:38 amDEC - PDX
2 stops25h 52mUnited Airlines
Deal found 9/14![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/138:35 amPDX - DEC
1 stop22h 16mUnited Airlines
Wed 10/159:38 amDEC - PDX
2 stops15h 07mUnited Airlines
Deal found 9/14![United Airlines logo]()
$523
Cheapflights Fare Finder
Customize your flight search to find flights from Oregon to Decatur 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 September 15, 2025.
Use the filters below to find and compare flights from Oregon to Decatur that are best for you.
Fly from
Oregon
Fly to
Decatur
Route
Depart
Return
Price
PortlandDecatur
PDX - DEC
PDXDEC
Portland
Sat 3/7
11:55 pm-9:51 am
1 stop7h 56m
Decatur Arpt
Tue 3/10
3:20 pm-10:08 pm
1 stop8h 48m
$374
PortlandDecatur
PDX - DEC
PDXDEC
Portland
Wed 10/29
11:59 pm-8:48 am
1 stop6h 49m
Decatur Arpt
Sat 11/1
7:08 pm-12:48 pm
1 stop19h 40m
$434
PortlandDecatur
PDX - DEC
PDXDEC
Portland
Fri 10/17
2:15 pm-8:51 am
1 stop16h 36m
$267
Best time to book a flight from Oregon to Decatur
Have a flexible travel schedule? Discover the best time to fly to Decatur from Oregon 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 Oregon to Decatur
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 Oregon to Decatur. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Decatur?
Book flights to Decatur if you plan to visit one of these locationsMattoon
Effingham
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 Oregon to Decatur
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Oregon to Decatur
Discover the top airline that operate flights from Oregon to Decatur. 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 September 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$374 | Average$494 | FlexibilityNo cancel fee | On-time69% |