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Cheap flights from Decatur, Illinois to Portland from $286

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 5/10. 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

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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
7:05 pm - 11:53 pm
DEC
-
PDX
6h 48m
1 stop
United Airlines Logo
11:40 pm - 8:57 am
PDX
-
DEC
7h 17m
1 stop
$414United Airlines
Sat, May 23 - Thu, May 28
United Airlines Logo
7:37 pm - 3:09 pm
DEC
-
PDX
21h 32m
1 stop
United Airlines Logo
7:00 am - 8:58 am
PDX
-
DEC
23h 58m
1 stop
$444United Airlines
Tue, Apr 28 - Sat, May 2
United Airlines Logo
7:37 pm - 2:30 pm
DEC
-
PDX
20h 53m
2 stops
United Airlines Logo
2:41 pm - 8:58 am
PDX
-
DEC
16h 17m
1 stop
$454United Airlines
Tue, Apr 28 - Sat, May 2
United Airlines Logo
7:37 pm - 12:26 pm
DEC
-
PDX
18h 49m
2 stops
United Airlines Logo
4:15 pm - 8:58 am
PDX
-
DEC
14h 43m
2 stops
$459United Airlines
Tue, Apr 28 - Sat, May 2
United Airlines Logo
7:37 pm - 6:34 pm
DEC
-
PDX
24h 57m
1 stop
United Airlines Logo
11:55 pm - 5:58 pm
PDX
-
DEC
16h 03m
1 stop
$466United Airlines
Tue, Apr 28 - Sat, May 2
United Airlines Logo
7:37 pm - 8:42 pm
DEC
-
PDX
27h 05m
2 stops
United Airlines Logo
2:41 pm - 8:58 am
PDX
-
DEC
16h 17m
1 stop
$476United Airlines
Tue, Apr 28 - Sat, May 2
United Airlines Logo
7:05 pm - 11:53 pm
DEC
-
PDX
6h 48m
1 stop
United Airlines Logo
4:15 pm - 8:57 am
PDX
-
DEC
14h 42m
2 stops
$479United Airlines
Sat, May 23 - Thu, May 28
United Airlines Logo
7:37 pm - 2:30 pm
DEC
-
PDX
20h 53m
2 stops
United Airlines Logo
1:54 pm - 8:58 am
PDX
-
DEC
17h 04m
2 stops
$481United Airlines
Tue, Apr 28 - Sat, May 2
United Airlines Logo
7:37 pm - 11:46 am
DEC
-
PDX
18h 09m
1 stop
United Airlines Logo
11:55 pm - 8:58 am
PDX
-
DEC
7h 03m
1 stop
$487United Airlines
Tue, Apr 28 - Sat, May 2
United Airlines Logo
7:37 pm - 4:33 pm
DEC
-
PDX
22h 56m
2 stops
United Airlines Logo
3:59 pm - 8:58 am
PDX
-
DEC
14h 59m
3 stops
$488United Airlines
Tue, Apr 28 - Sat, May 2

United Airlines flights from Decatur, Illinois to Portland

Our best United Airlines deals on Decatur, Illinois to Portland flight tickets
United Airlines
May 23
DEC7:05 pmDecatur Arpt
6h 48m
1 stop
PDX11:53 pmPortland
May 28
PDX11:40 pmPortland
7h 17m
1 stop
DEC8:57 amDecatur Arpt
$414
United Airlines
Apr 28
DEC7:37 pmDecatur Arpt
21h 32m
1 stop
PDX3:09 pmPortland
May 2
PDX7:00 amPortland
23h 58m
1 stop
DEC8:58 amDecatur Arpt
$444
United Airlines
Apr 28
DEC7:37 pmDecatur Arpt
20h 53m
2 stops
PDX2:30 pmPortland
May 2
PDX2:41 pmPortland
16h 17m
1 stop
DEC8:58 amDecatur Arpt
$454

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 March 12, 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
Quickest round-trip

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Sat 5/23

7:05 pm-11:53 pm

1 stop6h 48m

Portland

Thu 5/28

11:40 pm-8:57 am

1 stop7h 17m

$414

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 4/28

7:37 pm-3:09 pm

1 stop21h 32m

Portland

Sat 5/2

7:00 am-8:58 am

1 stop23h 58m

$444

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 4/28

7:37 pm-2:30 pm

2 stops20h 53m

Portland

Sat 5/2

2:41 pm-8:58 am

1 stop16h 17m

$454

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 4/28

7:37 pm-12:26 pm

2 stops18h 49m

Portland

Sat 5/2

4:15 pm-8:58 am

2 stops14h 43m

$459

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 4/28

7:37 pm-6:34 pm

1 stop24h 57m

Portland

Sat 5/2

11:55 pm-5:58 pm

1 stop16h 03m

$466

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 4/28

7:37 pm-8:42 pm

2 stops27h 05m

Portland

Sat 5/2

2:41 pm-8:58 am

1 stop16h 17m

$476

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Sat 5/23

7:05 pm-11:53 pm

1 stop6h 48m

Portland

Thu 5/28

4:15 pm-8:57 am

2 stops14h 42m

$479

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 4/28

7:37 pm-2:30 pm

2 stops20h 53m

Portland

Sat 5/2

1:54 pm-8:58 am

2 stops17h 04m

$481

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 4/28

7:37 pm-11:46 am

1 stop18h 09m

Portland

Sat 5/2

11:55 pm-8:58 am

1 stop7h 03m

$487

DecaturPortland

DEC - PDX

DECPDX

Decatur Arpt

Tue 4/28

7:37 pm-4:33 pm

2 stops22h 56m

Portland

Sat 5/2

3:59 pm-8:58 am

3 stops14h 59m

$488

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

6h 48m

Direct flights

None
The fastest flight from Decatur, Illinois to Portland takes 6h 48m
There are no direct flights from Decatur, Illinois to Portland. There are no popular flight routes from Decatur, Illinois to Portland.
Search flight deals

  • 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 6h 48m.

  • 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
Depoe Bay
Beaverton
Hillsboro
Tigard
Hood River
Longview
McMinnville
The Dalles
Pacific City
Newberg
Gresham
Manzanita

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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