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$385+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — PDX
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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 11/149:44 amDEC - PDX
2 stops13h 42mUnited Airlines
Tue 11/187:00 amPDX - DEC
1 stop8h 52mUnited Airlines
Deal found 10/30$454
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/199:44 amDEC - PDX
1 stop14h 56mUnited Airlines
Sun 12/2811:55 pmPDX - DEC
1 stop7h 10mUnited Airlines
Deal found 10/29$460
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/187:08 pmDEC - PDX
1 stop29h 27mUnited Airlines
Sat 11/224:02 pmPDX - DEC
2 stops14h 46mUnited Airlines
Deal found 10/29$490
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/207:09 pmDEC - PDX
1 stop29h 31mUnited Airlines
Sat 12/2712:54 pmPDX - DEC
2 stops18h 11mUnited Airlines
Deal found 10/30$520
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/199:44 amDEC - PDX
1 stop14h 56mUnited Airlines
Sat 12/2711:55 pmPDX - DEC
1 stop7h 10mUnited Airlines
Deal found 10/29$571

Cheap flight deals from Decatur to Oregon

Keep the following information in mind while searching for Decatur to Oregon flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$414
(United Airlines)

One-way from

$385
(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 October 30, 2025.
Use the filters below to find and compare flights from Decatur to Oregon that are best for you.

Fly from

Decatur

Fly to

Oregon

Route

Depart

Return

Price

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Fri 3/6

7:09 pm-10:16 pm

1 stop29h 07m

Portland

Tue 3/10

7:11 am-5:56 pm

1 stop8h 45m

$414

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Fri 11/14

9:44 am-9:26 pm

2 stops13h 42m

Portland

Tue 11/18

7:00 am-5:52 pm

1 stop8h 52m

$454

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Fri 12/19

9:44 am-10:40 pm

1 stop14h 56m

Portland

Sun 12/28

11:55 pm-9:05 am

1 stop7h 10m

$460

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 11/18

7:08 pm-10:35 pm

1 stop29h 27m

Portland

Sat 11/22

4:02 pm-8:48 am

2 stops14h 46m

$490

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Sat 12/20

7:09 pm-10:40 pm

1 stop29h 31m

Portland

Sat 12/27

12:54 pm-9:05 am

2 stops18h 11m

$520

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 12/30

7:09 pm-7:01 pm

1 stop25h 52m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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

What is the cheapest month to book a flight from Decatur, Illinois to Oregon?

Currently, April is the cheapest month in which you can book a flight from Decatur, Illinois to Oregon (average of $247). Flying from Decatur, Illinois to Oregon in December is currently the most expensive (average of $452). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from Decatur to Oregon, such as United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 29h 07m. 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.

  • What is the cheapest month to book a flight from Decatur, Illinois to Oregon?

    Currently, April is the cheapest month in which you can book a flight from Decatur, Illinois to Oregon (average of $247). Flying from Decatur, Illinois to Oregon in December is currently the most expensive (average of $452). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Decatur to Oregon

Discover the top airline that operate flights from Decatur to Oregon. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$309Average$474FlexibilityNo cancel feeOn-time69%

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