How do I get Price Alerts for flights from Portland to Decatur, Illinois?

Confirm your travel details to search for the latest offers for flights from Portland to Decatur, Illinois . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Portland to Decatur, Illinois with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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

Prices for flights from Portland Airport to Decatur Arpt Airport refresh daily.

How many operators does momondo search for flights from Portland Airport to Decatur Arpt Airport?

There is 1 operator available for flights from Portland Airport to Decatur Arpt Airport as of August 2025.

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

What documentation or ID do you need to fly to Decatur Arpt Airport?

The necessary travel and health documents for your Decatur Arpt 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.

$409 Cheap Flights from Portland to Decatur in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Portland to Decatur

Round-trip

One-way

Cheap round-trip flights

10:55 pm - 8:48 amPDX-DEC

7h 53m1 stop

9:42 am - 8:37 pmDEC-PDX

12h 55m2 stops

$409United Airlines

Find Deal

sáb., ago. 16 - sáb., ago. 23

7:00 am - 5:52 pmPDX-DEC

8h 52m1 stop

7:08 pm - 11:35 pmDEC-PDX

30h 27m1 stop

$430United Airlines

Find Deal

mié., oct. 29 - sáb., nov. 1

7:38 pm - 8:48 amPDX-DEC

11h 10m2 stops

7:08 pm - 11:35 pmDEC-PDX

30h 27m1 stop

$440United Airlines

Find Deal

mié., oct. 29 - sáb., nov. 1

11:59 pm - 8:48 amPDX-DEC

6h 49m1 stop

9:42 am - 6:31 pmDEC-PDX

10h 49m1 stop

$446United Airlines

Find Deal

sáb., ago. 16 - sáb., ago. 23

11:59 pm - 8:48 amPDX-DEC

6h 49m1 stop

9:30 am - 10:37 pmDEC-PDX

15h 07m2 stops

$460United Airlines

Find Deal

sáb., ago. 16 - mié., ago. 20

7:38 pm - 8:48 amPDX-DEC

11h 10m2 stops

9:30 am - 3:46 pmDEC-PDX

32h 16m2 stops

$489United Airlines

Find Deal

mié., oct. 29 - sáb., nov. 1

7:46 pm - 8:48 amPDX-DEC

11h 02m2 stops

9:30 am - 10:37 pmDEC-PDX

15h 07m2 stops

$490United Airlines

Find Deal

sáb., ago. 16 - mié., ago. 20

10:55 pm - 8:48 amPDX-DEC

7h 53m1 stop

6:55 pm - 9:45 amDEC-PDX

16h 50m1 stop

$540United Airlines

Find Deal

sáb., ago. 16 - mié., ago. 20

7:46 pm - 6:03 pmPDX-DEC

20h 17m3 stops

9:42 am - 8:37 pmDEC-PDX

12h 55m2 stops

$561United Airlines

Find Deal

sáb., ago. 16 - sáb., ago. 23

7:38 pm - 8:48 amPDX-DEC

11h 10m2 stops

9:30 am - 11:58 amDEC-PDX

28h 28m3 stops

$566United Airlines

Find Deal

mié., oct. 29 - sáb., nov. 1

United Airlines flights from Portland to Decatur, Illinois

Our best United Airlines deals on Portland to Decatur, Illinois flight tickets

United Airlines

Aug 16

PDX10:55 pmPortland

7h 53m

1 stop

DEC8:48 amDecatur Arpt

Aug 23

DEC9:42 amDecatur Arpt

12h 55m

2 stops

PDX8:37 pmPortland

$409

Find similar

United Airlines

Oct 29

PDX7:00 amPortland

8h 52m

1 stop

DEC5:52 pmDecatur Arpt

Nov 1

DEC7:08 pmDecatur Arpt

30h 27m

1 stop

PDX11:35 pmPortland

$430

Find similar

United Airlines

Aug 16

PDX7:46 pmPortland

11h 02m

2 stops

DEC8:48 amDecatur Arpt

Aug 23

DEC9:42 amDecatur Arpt

12h 55m

2 stops

PDX8:37 pmPortland

$440

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDecatur

PDX - DEC

PDXDEC

Portland

sáb. 8/16

10:55 pm-8:48 am

1 stop7h 53m

Decatur Arpt

sáb. 8/23

9:42 am-8:37 pm

2 stops12h 55m

$409

PortlandDecatur

PDX - DEC

PDXDEC

Portland

mié. 10/29

7:00 am-5:52 pm

1 stop8h 52m

Decatur Arpt

sáb. 11/1

7:08 pm-11:35 pm

1 stop30h 27m

$430

PortlandDecatur

PDX - DEC

PDXDEC

Portland

mié. 10/29

7:38 pm-8:48 am

2 stops11h 10m

Decatur Arpt

sáb. 11/1

7:08 pm-11:35 pm

1 stop30h 27m

$440

PortlandDecatur

PDX - DEC

PDXDEC

Portland

sáb. 8/16

11:59 pm-8:48 am

1 stop6h 49m

Decatur Arpt

sáb. 8/23

9:42 am-6:31 pm

1 stop10h 49m

$446

PortlandDecatur

PDX - DEC

PDXDEC

Portland

sáb. 8/16

11:59 pm-8:48 am

1 stop6h 49m

Decatur Arpt

mié. 8/20

9:30 am-10:37 pm

2 stops15h 07m

$460

PortlandDecatur

PDX - DEC

PDXDEC

Portland

mié. 10/29

7:38 pm-8:48 am

2 stops11h 10m

Decatur Arpt

sáb. 11/1

9:30 am-3:46 pm

2 stops32h 16m

$489

PortlandDecatur

PDX - DEC

PDXDEC

Portland

sáb. 8/16

7:46 pm-8:48 am

2 stops11h 02m

Decatur Arpt

mié. 8/20

9:30 am-10:37 pm

2 stops15h 07m

$490

PortlandDecatur

PDX - DEC

PDXDEC

Portland

sáb. 8/16

10:55 pm-8:48 am

1 stop7h 53m

Decatur Arpt

mié. 8/20

6:55 pm-9:45 am

1 stop16h 50m

$540

PortlandDecatur

PDX - DEC

PDXDEC

Portland

sáb. 8/16

7:46 pm-6:03 pm

3 stops20h 17m

Decatur Arpt

sáb. 8/23

9:42 am-8:37 pm

2 stops12h 55m

$561

PortlandDecatur

PDX - DEC

PDXDEC

Portland

mié. 10/29

7:38 pm-8:48 am

2 stops11h 10m

Decatur Arpt

sáb. 11/1

9:30 am-11:58 am

3 stops28h 28m

$566

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Portland to Decatur, Illinois

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

Estimated round-trip price

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

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

Best Price Found	$409
Fastest flight time	6h 49m
Direct flights	None
Airports in Decatur, Illinois	1 airport

The best flight deal from Portland to Decatur, Illinois found on momondo in the last 72 hours is $409

The fastest flight from Portland to Decatur, Illinois takes 6h 49m

There are no direct flights from Portland to Decatur, Illinois. Popular non-direct route for this connection is Portland Airport - Decatur Arpt Airport.

There is 1 airport near Decatur, Illinois: Decatur Arpt (DEC)

Search flight deals

How far is Portland to Decatur Arpt by plane?
Portland and Decatur Arpt are 1742.3 mi apart from one another. Typically, this will take 6h 49m by plane in normal conditions.
When did momondo last update prices for flights from Portland Airport to Decatur Arpt Airport?
Prices for flights from Portland Airport to Decatur Arpt Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Decatur Arpt Airport?
There is 1 operator available for flights from Portland Airport to Decatur Arpt Airport as of August 2025.
How old do you have to be to fly from Portland Airport to Decatur Arpt 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 Portland Airport to Decatur Arpt Airport.
What documentation or ID do you need to fly to Decatur Arpt Airport?
The necessary travel and health documents for your Decatur Arpt 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.
What is the most popular airline from Portland to Decatur, Illinois?
Based on momondo bookings for flights between Portland and Decatur, Illinois, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Portland to Decatur, Illinois

Compare and see reviews for airlines that fly from Portland to Decatur, Illinois with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $374	Free Cancellation	Rating 7.4 8,905 reviews		Search United Airlines flights

How do I get Price Alerts for flights from Portland to Decatur, Illinois?
Confirm your travel details to search for the latest offers for flights from Portland to Decatur, Illinois. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Portland to Decatur, Illinois with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Effingham

Mattoon

Forsyth

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Decatur from Portland.

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

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

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

Once you have performed a search for Portland to Decatur 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 Portland to Decatur right now. Can momondo alert me if prices change?

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