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Cheap flights from Seattle to Decatur, Illinois from $357

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Decatur, Illinois departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Seattle to Decatur

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Decatur.
11:54 pm - 8:56 amSEA-DEC
7h 02m1 stop
9:42 am - 3:32 pmDEC-SEA
7h 50m1 stop
$374United Airlines
Find Deal
Wed, Sep 10 - Tue, Sep 16
11:54 pm - 8:56 amSEA-DEC
7h 02m1 stop
9:42 am - 9:56 pmDEC-SEA
14h 14m2 stops
$384United Airlines
Find Deal
Wed, Sep 10 - Tue, Sep 16
7:34 pm - 8:56 amSEA-DEC
11h 22m2 stops
9:42 am - 8:42 pmDEC-SEA
13h 00m2 stops
$389United Airlines
Find Deal
Wed, Sep 10 - Tue, Sep 16
7:34 pm - 8:56 amSEA-DEC
11h 22m2 stops
9:42 am - 8:54 pmDEC-SEA
13h 12m3 stops
$394United Airlines
Find Deal
Wed, Sep 10 - Tue, Sep 16
11:59 pm - 8:48 amSEA-DEC
6h 49m1 stop
6:55 pm - 11:32 amDEC-SEA
18h 37m1 stop
$420United Airlines
Find Deal
Wed, May 21 - Tue, May 27
11:59 pm - 8:48 amSEA-DEC
6h 49m1 stop
6:55 pm - 9:58 pmDEC-SEA
29h 03m2 stops
$430United Airlines
Find Deal
Wed, May 21 - Tue, May 27
7:33 pm - 8:48 amSEA-DEC
11h 15m2 stops
6:55 pm - 1:26 pmDEC-SEA
20h 31m2 stops
$435United Airlines
Find Deal
Wed, May 21 - Tue, May 27
7:33 pm - 8:48 amSEA-DEC
11h 15m2 stops
6:55 pm - 9:11 pmDEC-SEA
28h 16m3 stops
$440United Airlines
Find Deal
Wed, May 21 - Tue, May 27
5:10 pm - 8:54 amSEA-DEC
13h 44m2 stops
9:50 am - 12:58 amDEC-SEA
17h 08m3 stops
$444United Airlines
Find Deal
Thu, Apr 10 - Mon, Apr 14
3:35 pm - 2:00 pmSEA-DEC
20h 25m2 stops
2:35 pm - 11:48 amDEC-SEA
23h 13m1 stop
$446United Airlines
Find Deal
Fri, Apr 11 - Tue, Apr 15

United Airlines flights from Seattle to Decatur, Illinois

Our best United Airlines deals on Seattle to Decatur, Illinois flight tickets
United Airlines
Sep 10
SEA11:54 pmSeattle/Tacoma Intl
7h 02m
1 stop
DEC8:56 amDecatur Arpt
Sep 16
DEC9:42 amDecatur Arpt
7h 50m
1 stop
SEA3:32 pmSeattle/Tacoma Intl
United Airlines
Sep 10
SEA11:54 pmSeattle/Tacoma Intl
7h 02m
1 stop
DEC8:56 amDecatur Arpt
Sep 16
DEC9:42 amDecatur Arpt
14h 14m
2 stops
SEA9:56 pmSeattle/Tacoma Intl
United Airlines
Sep 10
SEA7:34 pmSeattle/Tacoma Intl
11h 22m
2 stops
DEC8:56 amDecatur Arpt
Sep 16
DEC9:42 amDecatur Arpt
13h 00m
2 stops
SEA8:42 pmSeattle/Tacoma Intl

See travel insights to Decatur from

How to get the cheapest flight ticket from Seattle 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 day to depart on your flight to Decatur, Illinois?

The cheapest day to depart on your flight to Decatur, Illinois is on a Thursday when prices can be found for as low as $439. This is often the case because there is less demand to fly during this day of the week. Flights from Seattle to Decatur, Illinois on a Thursday will generally be more expensive and average around $439. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Decatur, Illinois?

In the evening is the cheapest time of day to fly from Seattle to Decatur, Illinois when you can find flight prices for as low as $494. Flying to Decatur, Illinois in the evening is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Decatur, Illinois, so prices are often more expensive at around $494 per ticket.

When to book flights from Seattle to Decatur, Illinois

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

Cheap Seattle to Decatur, Illinois (SEA to DEC) flight deals and tips

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

Best Price Found

$357

Fastest flight time

6h 49m

Direct flights

None

Airports in Decatur, Illinois

1 airport
The best one-way flight to Decatur, Illinois from Seattle in the past 72 hours is $357. The best round-trip flight deal from Seattle to Decatur, Illinois found on momondo in the last 72 hours is $374.
The fastest flight from Seattle to Decatur, Illinois takes 6h 49m
There are no direct flights from Seattle to Decatur, Illinois. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Decatur Arpt Airport.
There is 1 airport near Decatur, Illinois: Decatur Arpt (DEC)

  • How far is Seattle/Tacoma Intl to Decatur Arpt by plane?

    The straight-line distance from Seattle/Tacoma Intl to Decatur Arpt is 1734.6 mi. A reasonable flight in good conditions will take 6h 49m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Decatur Arpt Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Decatur Arpt Airport are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl 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 Seattle/Tacoma Intl 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.


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 Seattle to Decatur?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Decatur. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Decatur from Seattle with this policy.

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

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

If you are not ready to book a flight from Seattle to Decatur now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Decatur and let you know when they change.


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