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Cheap flights from Washington to Decatur from $247

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Decatur departing on 5/15. 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

Enter your travel dates to find the best prices.
United Airlines Logo
11:59 pm - 8:52 am
PDX
-
DEC
6h 53m
1 stop
United Airlines Logo
9:50 am - 3:27 pm
DEC
-
PDX
7h 37m
1 stop
$354United Airlines
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
7:00 am - 5:54 pm
PDX
-
DEC
8h 54m
1 stop
United Airlines Logo
9:50 am - 8:43 pm
DEC
-
PDX
12h 53m
2 stops
$360United Airlines
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
11:59 pm - 8:52 am
SEA
-
DEC
6h 53m
1 stop
United Airlines Logo
9:50 am - 11:30 pm
DEC
-
SEA
15h 40m
2 stops
$364United Airlines
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
5:20 pm - 8:52 am
SEA
-
DEC
13h 32m
2 stops
United Airlines Logo
9:50 am - 10:13 pm
DEC
-
SEA
14h 23m
2 stops
$369United Airlines
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
7:57 pm - 8:52 am
PDX
-
DEC
10h 55m
2 stops
United Airlines Logo
9:50 am - 8:43 pm
DEC
-
PDX
12h 53m
2 stops
$369United Airlines
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
11:59 pm - 8:52 am
PDX
-
DEC
6h 53m
1 stop
United Airlines Logo
7:15 pm - 10:45 pm
DEC
-
PDX
29h 30m
1 stop
$414United Airlines
Sat, Mar 14 - Tue, Mar 17
United Airlines Logo
11:59 pm - 8:52 am
PDX
-
DEC
6h 53m
1 stop
United Airlines Logo
7:15 pm - 9:58 pm
DEC
-
PDX
28h 43m
2 stops
$434United Airlines
Sat, Mar 14 - Tue, Mar 17
United Airlines Logo
4:07 pm - 8:52 am
PDX
-
DEC
14h 45m
2 stops
United Airlines Logo
7:15 pm - 11:11 pm
DEC
-
PDX
29h 56m
2 stops
$469United Airlines
Sat, Mar 14 - Tue, Mar 17
United Airlines Logo
11:59 pm - 8:52 am
SEA
-
DEC
6h 53m
1 stop
United Airlines Logo
9:50 am - 10:43 pm
DEC
-
SEA
14h 53m
1 stop
$488United Airlines
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
4:07 pm - 8:52 am
PDX
-
DEC
14h 45m
2 stops
United Airlines Logo
7:15 pm - 11:11 pm
DEC
-
PDX
29h 56m
3 stops
$513United Airlines
Sat, Mar 14 - Tue, Mar 17

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
Feb 21
PDX11:59 pmPortland
6h 53m
1 stop
DEC8:52 amDecatur Arpt
Feb 25
DEC9:50 amDecatur Arpt
7h 37m
1 stop
PDX3:27 pmPortland
$354
United Airlines
Feb 21
PDX7:00 amPortland
8h 54m
1 stop
DEC5:54 pmDecatur Arpt
Feb 25
DEC9:50 amDecatur Arpt
12h 53m
2 stops
PDX8:43 pmPortland
$360
United Airlines
Feb 21
SEA11:59 pmSeattle/Tacoma Intl
6h 53m
1 stop
DEC8:52 amDecatur Arpt
Feb 25
DEC9:50 amDecatur Arpt
15h 40m
2 stops
SEA11:30 pmSeattle/Tacoma Intl
$364

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 February 7, 2026.
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 2/21

11:59 pm-8:52 am

1 stop6h 53m

Decatur Arpt

Wed 2/25

9:50 am-3:27 pm

1 stop7h 37m

$354

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sat 2/21

7:00 am-5:54 pm

1 stop8h 54m

Decatur Arpt

Wed 2/25

9:50 am-8:43 pm

2 stops12h 53m

$360

SeattleDecatur

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Sat 2/21

11:59 pm-8:52 am

1 stop6h 53m

Decatur Arpt

Wed 2/25

9:50 am-11:30 pm

2 stops15h 40m

$364

SeattleDecatur

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Sat 2/21

5:20 pm-8:52 am

2 stops13h 32m

Decatur Arpt

Wed 2/25

9:50 am-10:13 pm

2 stops14h 23m

$369

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sat 2/21

7:57 pm-8:52 am

2 stops10h 55m

Decatur Arpt

Wed 2/25

9:50 am-8:43 pm

2 stops12h 53m

$369

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sat 3/14

11:59 pm-8:52 am

1 stop6h 53m

Decatur Arpt

Tue 3/17

7:15 pm-10:45 pm

1 stop29h 30m

$414

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sat 3/14

11:59 pm-8:52 am

1 stop6h 53m

Decatur Arpt

Tue 3/17

7:15 pm-9:58 pm

2 stops28h 43m

$434

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sat 3/14

4:07 pm-8:52 am

2 stops14h 45m

Decatur Arpt

Tue 3/17

7:15 pm-11:11 pm

2 stops29h 56m

$469

SeattleDecatur

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Sat 2/21

11:59 pm-8:52 am

1 stop6h 53m

Decatur Arpt

Wed 2/25

9:50 am-10:43 pm

1 stop14h 53m

$488

PortlandDecatur

PDX - DEC

PDXDEC

Portland

Sat 3/14

4:07 pm-8:52 am

2 stops14h 45m

Decatur Arpt

Tue 3/17

7:15 pm-11:11 pm

3 stops29h 56m

$513

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Decatur from

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

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

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

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

Fastest flight time

6h 53m

Direct flights

None
The fastest flight from State of Washington to Decatur, Illinois takes 6h 53m
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.
Search flight deals

  • 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.

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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