$414+ Cheap flights from Portland to Decatur, IL (PDX - DEC)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEC
Aug 3 — Aug 101
1 adult, Economy
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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
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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 Portland to Decatur
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Decatur (DEC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.
Round-trip from | $414 (United Airlines) |
|---|
Find flight deals from Portland to Decatur
Cheapest flights from Portland to DecaturExplore the most affordable flight options available from Portland to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.
Explore the most affordable flight options available from Portland to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 10/2911:59 pmPDX - DEC
1 stop6h 49mUnited Airlines
Sat 11/17:08 pmDEC - PDX
1 stop30h 27mUnited Airlines
Deal found 7/29![United Airlines logo]()
$430
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 July 29, 2025.
Use the filters below to find and compare flights from Portland to Decatur that are best for you.
Fly from
Portland
Fly to
Decatur
Route
Depart
Return
Price
PortlandDecatur
PDX - DEC
PDXDEC
Portland
Wed 10/29
7:00 am-5:52 pm
1 stop8h 52m
Decatur Arpt
Sat 11/1
7:08 pm-11:35 pm
1 stop30h 27m
$414
Best time to book a flight from Portland to Decatur
Have a flexible travel schedule? Discover the best time to fly to Decatur from Portland 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.
Reviews of airlines servicing Decatur
Get insights into the airlines that provide service to Decatur. 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 Decatur. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with United Airlines from Portland to Decatur by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.6
Overall
7.4
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Crew
8.1
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.6
Overall
7.4
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Related info for your journey
Find useful and relevant information for your journey from Portland 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
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Alternative routes for Portland to Decatur
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Portland to Decatur
Discover the top airline that operate flights from Portland 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 July 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$374 | Average$495 | FlexibilityNo cancel fee | On-time69% |