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Cheap flights from Washington to Decatur from $374

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Decatur departing on 3/7. 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
0 bags

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Find the cheapest flights from Washington to Decatur

Cheap round-trip flights

United Airlines Logo
11:55 pm - 9:51 amPDX-DEC
7h 56m1 stop
United Airlines Logo
3:20 pm - 10:08 pmDEC-PDX
8h 48m1 stop
$374United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
11:55 pm - 9:51 amPDX-DEC
7h 56m1 stop
United Airlines Logo
3:20 pm - 10:38 pmDEC-PDX
9h 18m2 stops
$384United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
7:30 pm - 9:51 amPDX-DEC
12h 21m2 stops
United Airlines Logo
3:20 pm - 10:38 pmDEC-PDX
9h 18m2 stops
$389United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
11:59 pm - 8:51 amPDX-DEC
6h 52m1 stop
United Airlines Logo
6:55 pm - 9:40 amDEC-PDX
16h 45m1 stop
$401United Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
United Airlines Logo
11:59 pm - 8:51 amPDX-DEC
6h 52m1 stop
United Airlines Logo
9:38 am - 9:40 amDEC-PDX
26h 02m1 stop
$434United Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
United Airlines Logo
7:30 pm - 9:51 amPDX-DEC
12h 21m2 stops
United Airlines Logo
9:30 am - 8:25 pmDEC-PDX
36h 55m3 stops
$449United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
11:59 pm - 5:52 pmPDX-DEC
15h 53m1 stop
United Airlines Logo
7:08 pm - 11:48 amDEC-PDX
18h 40m1 stop
$454United Airlines
Find Deal
Mon, Nov 24 - Fri, Nov 28
United Airlines Logo
7:00 am - 5:52 pmPDX-DEC
8h 52m1 stop
United Airlines Logo
7:08 pm - 12:48 pmDEC-PDX
19h 40m1 stop
$460United Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
United Airlines Logo
12:59 pm - 8:51 amPDX-DEC
17h 52m2 stops
United Airlines Logo
9:30 am - 9:40 amDEC-PDX
26h 10m1 stop
$469United Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
United Airlines Logo
7:38 pm - 8:48 amPDX-DEC
11h 10m2 stops
United Airlines Logo
7:08 pm - 12:48 pmDEC-PDX
19h 40m1 stop
$470United Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1

United Airlines flights from State of Washington to Decatur, Illinois

Our best United Airlines deals on State of Washington to Decatur, Illinois flight tickets
United Airlines
Mar 7
PDX11:55 pmPortland
7h 56m
1 stop
DEC9:51 amDecatur Arpt
Mar 10
DEC3:20 pmDecatur Arpt
8h 48m
1 stop
PDX10:08 pmPortland
$374
Find similar
United Airlines
Mar 7
PDX11:55 pmPortland
7h 56m
1 stop
DEC9:51 amDecatur Arpt
Mar 10
DEC3:20 pmDecatur Arpt
9h 18m
2 stops
PDX10:38 pmPortland
$384
Find similar
United Airlines
Mar 7
PDX7:30 pmPortland
12h 21m
2 stops
DEC9:51 amDecatur Arpt
Mar 10
DEC3:20 pmDecatur Arpt
9h 18m
2 stops
PDX10:38 pmPortland
$389
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Decatur, Illinois 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 September 25, 2025.
Use the filters below to find and compare flights from Washington to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sat 3/7

11:55 pm-9:51 am

1 stop7h 56m

Decatur Arpt

Tue 3/10

3:20 pm-10:08 pm

1 stop8h 48m

$374

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sat 3/7

11:55 pm-9:51 am

1 stop7h 56m

Decatur Arpt

Tue 3/10

3:20 pm-10:38 pm

2 stops9h 18m

$384

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sat 3/7

7:30 pm-9:51 am

2 stops12h 21m

Decatur Arpt

Tue 3/10

3:20 pm-10:38 pm

2 stops9h 18m

$389

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Fri 10/17

11:59 pm-8:51 am

1 stop6h 52m

Decatur Arpt

Sun 10/19

6:55 pm-9:40 am

1 stop16h 45m

$401

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Fri 10/17

11:59 pm-8:51 am

1 stop6h 52m

Decatur Arpt

Sun 10/19

9:38 am-9:40 am

1 stop26h 02m

$434

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sat 3/7

7:30 pm-9:51 am

2 stops12h 21m

Decatur Arpt

Tue 3/10

9:30 am-8:25 pm

3 stops36h 55m

$449

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Mon 11/24

11:59 pm-5:52 pm

1 stop15h 53m

Decatur Arpt

Fri 11/28

7:08 pm-11:48 am

1 stop18h 40m

$454

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-12:48 pm

1 stop19h 40m

$460

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Fri 10/17

12:59 pm-8:51 am

2 stops17h 52m

Decatur Arpt

Sun 10/19

9:30 am-9:40 am

1 stop26h 10m

$469

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Wed 10/29

7:38 pm-8:48 am

2 stops11h 10m

Decatur Arpt

Sat 11/1

7:08 pm-12:48 pm

1 stop19h 40m

$470

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from State of Washington to Decatur, Illinois

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

How long does it take to fly to Decatur, Illinois?

The flight from State of Washington to Decatur, Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Seattle (a popular airport in State of Washington) to Peoria, Illinois (the most popular airport in Decatur, Illinois), then the flight time is 6h 56m on average. If you fly from Spokane (another popular airport in State of Washington) to Peoria, Illinois, then the average flight time is 12h 56m.

Cheap State of Washington to Decatur, Illinois flight deals and tips

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

Direct flights

None
There are no direct flights from State of Washington to Decatur, Illinois. There are no popular flight routes from State of Washington to Decatur, Illinois.
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  • When did momondo last update prices for flights from Washington to Decatur Arpt Airport?

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington 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.

Best airlines flying from State of Washington to Decatur, Illinois

Compare and see reviews for airlines that fly from State of Washington to Decatur, Illinois with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $424Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Effingham
Mattoon
Forsyth

Why use momondo?

Why should I use momondo to find a flight deal from Washington 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 Washington.

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

Yes. momondo allows you to filter the results for Washington to Decatur flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Decatur from Washington.

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

If you are simply researching potential flights to Decatur, momondo offers a useful price alert feature which will track prices for flights to Decatur from Washington and alert you when they change.

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