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Cheap flights from Decatur, Illinois to Portland from $248

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Decatur, Illinois to Portland departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Decatur, Illinois to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:12 am - 8:10 pm
DEC
-
PDX
12h 58m
2 stops
United Airlines Logo
11:02 pm - 8:05 am
PDX
-
DEC
7h 03m
1 stop
$350United Airlines
Thu, Sep 10 - Sat, Sep 19
United Airlines Logo
9:12 am - 8:10 pm
DEC
-
PDX
12h 58m
2 stops
United Airlines Logo
7:15 pm - 8:05 am
PDX
-
DEC
10h 50m
2 stops
$359United Airlines
Thu, Sep 10 - Sat, Sep 19
United Airlines Logo
6:45 pm - 9:34 am
DEC
-
PDX
16h 49m
1 stop
United Airlines Logo
10:40 pm - 8:57 am
PDX
-
DEC
8h 17m
1 stop
$514United Airlines
Sat, Jul 11 - Sat, Jul 18
United Airlines Logo
6:45 pm - 9:48 am
DEC
-
PDX
17h 03m
2 stops
United Airlines Logo
10:40 pm - 8:57 am
PDX
-
DEC
8h 17m
1 stop
$559United Airlines
Sat, Jul 11 - Sat, Jul 18
United Airlines Logo
7:20 pm - 6:53 pm
DEC
-
PDX
25h 33m
1 stop
United Airlines Logo
11:02 pm - 5:59 pm
PDX
-
DEC
16h 57m
1 stop
$584United Airlines
Wed, Aug 19 - Sun, Aug 23
United Airlines Logo
9:12 am - 10:45 pm
DEC
-
PDX
15h 33m
2 stops
United Airlines Logo
11:02 pm - 5:59 pm
PDX
-
DEC
16h 57m
1 stop
$594United Airlines
Thu, Aug 20 - Sun, Aug 23
United Airlines Logo
9:37 am - 3:57 pm
DEC
-
PDX
8h 20m
1 stop
United Airlines Logo
10:40 pm - 8:57 am
PDX
-
DEC
8h 17m
1 stop
$620United Airlines
Sun, Jul 19 - Sat, Jul 25
United Airlines Logo
9:37 am - 3:57 pm
DEC
-
PDX
8h 20m
1 stop
United Airlines Logo
11:40 pm - 8:57 am
PDX
-
DEC
7h 17m
1 stop
$630United Airlines
Sun, Jul 19 - Sat, Jul 25
United Airlines Logo
9:12 am - 10:52 pm
DEC
-
PDX
15h 40m
1 stop
United Airlines Logo
3:43 pm - 7:37 am
PDX
-
DEC
13h 54m
2 stops
$634United Airlines
Wed, Aug 19 - Sun, Aug 23
United Airlines Logo
9:12 am - 10:45 pm
DEC
-
PDX
15h 33m
2 stops
United Airlines Logo
3:43 pm - 7:37 am
PDX
-
DEC
13h 54m
2 stops
$635United Airlines
Thu, Aug 20 - Sun, Aug 23

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United Airlines flights from Decatur, Illinois to Portland

Our best United Airlines deals on Decatur, Illinois to Portland flight tickets
United Airlines
Sep 10
DEC9:12 amDecatur Arpt
12h 58m
2 stops
PDX8:10 pmPortland
Sep 19
PDX11:02 pmPortland
7h 03m
1 stop
DEC8:05 amDecatur Arpt
$350
United Airlines
Sep 10
DEC9:12 amDecatur Arpt
12h 58m
2 stops
PDX8:10 pmPortland
Sep 19
PDX7:15 pmPortland
10h 50m
2 stops
DEC8:05 amDecatur Arpt
$359
United Airlines
Jul 11
DEC6:45 pmDecatur Arpt
16h 49m
1 stop
PDX9:34 amPortland
Jul 18
PDX10:40 pmPortland
8h 17m
1 stop
DEC8:57 amDecatur Arpt
$514

momondo Fare Finder

 
Customize your flight search to find flights from Decatur, Illinois to Portland 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, momondo users made 832,500 searches. Data last updated June 14, 2026.
Use the filters below to find and compare flights from Decatur, Illinois to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Thu 9/10

9:12 am-8:10 pm

2 stops12h 58m

Portland

Sat 9/19

11:02 pm-8:05 am

1 stop7h 03m

$350

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Thu 9/10

9:12 am-8:10 pm

2 stops12h 58m

Portland

Sat 9/19

7:15 pm-8:05 am

2 stops10h 50m

$359

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Sat 7/11

6:45 pm-9:34 am

1 stop16h 49m

Portland

Sat 7/18

10:40 pm-8:57 am

1 stop8h 17m

$514

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Sat 7/11

6:45 pm-9:48 am

2 stops17h 03m

Portland

Sat 7/18

10:40 pm-8:57 am

1 stop8h 17m

$559

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Wed 8/19

7:20 pm-6:53 pm

1 stop25h 33m

Portland

Sun 8/23

11:02 pm-5:59 pm

1 stop16h 57m

$584

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Thu 8/20

9:12 am-10:45 pm

2 stops15h 33m

Portland

Sun 8/23

11:02 pm-5:59 pm

1 stop16h 57m

$594

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Sun 7/19

9:37 am-3:57 pm

1 stop8h 20m

Portland

Sat 7/25

10:40 pm-8:57 am

1 stop8h 17m

$620
Quickest round-trip

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Sun 7/19

9:37 am-3:57 pm

1 stop8h 20m

Portland

Sat 7/25

11:40 pm-8:57 am

1 stop7h 17m

$630

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Wed 8/19

9:12 am-10:52 pm

1 stop15h 40m

Portland

Sun 8/23

3:43 pm-7:37 am

2 stops13h 54m

$634

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Thu 8/20

9:12 am-10:45 pm

2 stops15h 33m

Portland

Sun 8/23

3:43 pm-7:37 am

2 stops13h 54m

$635

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Decatur, Illinois to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Decatur Arpt to Portland?

United Airlines is the most popular carrier operating from Decatur Arpt to Portland

When to book flights from Decatur, Illinois to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Decatur, Illinois to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Decatur, Illinois to Portland (DEC to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Decatur, Illinois to Portland

Fastest flight time

8h 20m

Direct flights

None
The fastest flight from Decatur, Illinois to Portland takes 8h 20m
There are no direct flights from Decatur, Illinois to Portland. There are no popular flight routes from Decatur, Illinois to Portland.
Search flight deals

Frequently asked questions about flying from Decatur, Illinois to Portland

  • How far is Decatur Arpt to Portland by plane?

    The distance between Decatur Arpt and Portland is about 1742.3 mi. By plane, this route typically takes 8h 20m.

  • When did momondo last update prices for flights from Decatur Arpt Airport to Portland Airport?

    Prices for flights from Decatur Arpt Airport to Portland Airport are updated daily.

  • How old do you have to be to fly from Decatur Arpt Airport to Portland Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Decatur Arpt Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Rockaway Beach
Beaverton
Depoe Bay
Hillsboro
Tigard
Longview
Hood River
Troutdale
Newberg
Clackamas
The Dalles
Gresham
Pacific City

Why use momondo?

Why should I use momondo to find a flight deal from Decatur to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Decatur to Portland. momondo saves you time and could save you money on your trip.

Can I find flights from Decatur to Portland with flexible booking policies on momondo?

All flight searches from Decatur to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Decatur to Portland?

Once you have performed a search for Decatur to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Decatur to Portland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Decatur to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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