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Decatur

$407+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEC
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap flight deals from Oregon to Decatur

Cheapest flights from Oregon to Decatur
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 June 9, 2026.

This United Airlines deal was found by Cheapflights users on 6/5. 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 10/2710:59 pm
PDX
-
DEC
1 stop7h 47m
United Airlines
Tue 11/36:55 pm
DEC
-
PDX
1 stop7h 07m
United Airlines
Deal found 6/5$444
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Sun 7/2611:40 pm
PDX
-
DEC
1 stop7h 17m
United Airlines
Mon 8/249:12 am
DEC
-
PDX
2 stops12h 58m
United Airlines
Deal found 6/7$490
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/2111:40 pm
PDX
-
DEC
1 stop7h 17m
United Airlines
Tue 8/257:20 pm
DEC
-
PDX
1 stop16h 09m
United Airlines
Deal found 6/7$508
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/710:40 pm
PDX
-
DEC
1 stop8h 17m
United Airlines
Wed 7/156:45 pm
DEC
-
PDX
1 stop16h 49m
United Airlines
Deal found 6/5$514
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/2111:40 pm
PDX
-
DEC
1 stop7h 17m
United Airlines
Fri 8/217:20 pm
DEC
-
PDX
2 stops19h 54m
United Airlines
Deal found 6/7$518
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/2110:40 pm
PDX
-
DEC
1 stop8h 17m
United Airlines
Thu 8/209:12 am
DEC
-
PDX
1 stop15h 40m
United Airlines
Deal found 6/7$519

Find flight deals from Oregon to Decatur

Keep the following information in mind while searching for Oregon to Decatur flight deals. Data was last updated June 9, 2026.

Round-trip from

$444
(United Airlines)

One-way from

$407
(United Airlines)
From Oregon to Decatur Arpt
Search Deals
One-way flight from Oregon to Decatur Arpt
Search Deals

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 June 9, 2026.
Use the filters below to find and compare flights from Oregon to Decatur that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Tue 10/27

10:59 pm-8:46 am

1 stop7h 47m

Decatur Arpt

Tue 11/3

6:55 pm-12:02 am

1 stop7h 07m

$444

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Tue 7/7

11:40 pm-8:57 am

1 stop7h 17m

Decatur Arpt

Tue 7/28

6:45 pm-9:34 am

1 stop16h 49m

$508

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Tue 7/7

11:40 pm-8:57 am

1 stop7h 17m

Decatur Arpt

Wed 7/15

6:45 pm-9:34 am

1 stop16h 49m

$519

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Wed 9/30

11:30 pm-5:51 pm

1 stop16h 21m

Decatur Arpt

Sat 10/3

6:55 pm-9:27 am

2 stops16h 32m

$526
Cheapest one-way
Quickest one-way

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Tue 6/16

10:40 pm-5:56 pm

1 stop17h 16m

$462

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Mon 6/15

10:40 pm-5:56 pm

1 stop17h 16m

$462

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sun 6/14

1:17 pm-8:57 am

2 stops17h 40m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Sorted by cheapest first

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.

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

    If you book a flight to Decatur from Oregon, you will be flying to Decatur Arpt, which is the city’s only airport. Decatur Arpt (DEC) is located 4.7 mi from the center of Decatur.

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

    A quick flight from Oregon to Decatur, Illinois can take about 7h 47m. United Airlines provides one of the quickest options available for as low as $444. The distance from Oregon to Decatur, Illinois is about 1743 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon to Decatur 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

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Mattoon
Effingham

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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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$142Average$404FlexibilityNo cancel feeOn-time69%

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