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Cheap flights from Seattle to Decatur (SEA - DEC) from $479

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — DEC
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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What is the cheapest time of day to fly from SEA to DEC?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Decatur, Illinois as you normally would.

Cheap United Airlines flights from Seattle to Decatur

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Decatur. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Tue 7/212:30 amSEA - DEC
1 stop8h 16mUnited Airlines
Fri 7/1911:45 amDEC - SEA
1 stop11h 24mUnited Airlines
Deal found 5/29$479
Thu 7/43:37 pmSEA - DEC
2 stops22h 59mUnited Airlines
Sat 7/2011:45 amDEC - SEA
1 stop24h 04mUnited Airlines
Deal found 5/29$499
Thu 7/43:37 pmSEA - DEC
2 stops22h 59mUnited Airlines
Sat 7/2011:45 amDEC - SEA
2 stops12h 27mUnited Airlines
Deal found 5/29$515
Tue 7/212:30 amSEA - DEC
1 stop8h 16mUnited Airlines
Fri 7/195:20 pmDEC - SEA
2 stops16h 42mUnited Airlines
Deal found 5/29$527
Wed 7/35:15 pmSEA - DEC
1 stop15h 31mUnited Airlines
Fri 7/1911:45 amDEC - SEA
1 stop11h 24mUnited Airlines
Deal found 5/29$534
Wed 7/312:30 amSEA - DEC
1 stop8h 16mUnited Airlines
Sat 7/2011:45 amDEC - SEA
1 stop24h 04mUnited Airlines
Deal found 5/29$544
Wed 7/312:30 amSEA - DEC
1 stop8h 16mUnited Airlines
Sat 7/2011:45 amDEC - SEA
2 stops12h 27mUnited Airlines
Deal found 5/29$564
Wed 7/312:36 pmSEA - DEC
1 stop26h 00mUnited Airlines
Fri 7/195:20 pmDEC - SEA
2 stops16h 42mUnited Airlines
Deal found 5/29$582
Wed 7/36:35 pmSEA - DEC
3 stops14h 11mUnited Airlines
Fri 7/1911:45 amDEC - SEA
1 stop11h 24mUnited Airlines
Deal found 5/29$593

Seattle to Decatur 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Decatur in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Tue 7/212:30 amSEA - DEC
1 stop8h 16mUnited Airlines
Fri 7/1911:45 amDEC - SEA
1 stop11h 24mUnited Airlines
Deal found 5/29$479
Thu 7/43:37 pmSEA - DEC
2 stops22h 59mUnited Airlines
Sat 7/2011:45 amDEC - SEA
1 stop24h 04mUnited Airlines
Deal found 5/29$499
Thu 7/43:37 pmSEA - DEC
2 stops22h 59mUnited Airlines
Sat 7/2011:45 amDEC - SEA
2 stops12h 27mUnited Airlines
Deal found 5/29$515
Tue 7/212:30 amSEA - DEC
1 stop8h 16mUnited Airlines
Fri 7/195:20 pmDEC - SEA
2 stops16h 42mUnited Airlines
Deal found 5/29$527
Wed 7/35:15 pmSEA - DEC
1 stop15h 31mUnited Airlines
Fri 7/1911:45 amDEC - SEA
1 stop11h 24mUnited Airlines
Deal found 5/29$534
Wed 7/312:30 amSEA - DEC
1 stop8h 16mUnited Airlines
Sat 7/2011:45 amDEC - SEA
1 stop24h 04mUnited Airlines
Deal found 5/29$544
Wed 7/312:30 amSEA - DEC
1 stop8h 16mUnited Airlines
Sat 7/2011:45 amDEC - SEA
2 stops12h 27mUnited Airlines
Deal found 5/29$564
Wed 7/312:36 pmSEA - DEC
1 stop26h 00mUnited Airlines
Fri 7/195:20 pmDEC - SEA
2 stops16h 42mUnited Airlines
Deal found 5/29$582
Wed 7/36:35 pmSEA - DEC
3 stops14h 11mUnited Airlines
Fri 7/1911:45 amDEC - SEA
1 stop11h 24mUnited Airlines
Deal found 5/29$593

Find flights from Seattle to Decatur within your budget

Customize your flight search to find flights from Seattle to Decatur 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, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$479 - $593

Route

Depart

Return

Price

Seattle/Tacoma IntlDecatur Arpt

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Tue 7/2

1 stop8h 16m

Decatur Arpt

Fri 7/19

1 stop11h 24m

$479

Seattle/Tacoma IntlDecatur Arpt

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Thu 7/4

2 stops22h 59m

Decatur Arpt

Sat 7/20

1 stop24h 04m

$499

Seattle/Tacoma IntlDecatur Arpt

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Thu 7/4

2 stops22h 59m

Decatur Arpt

Sat 7/20

2 stops12h 27m

$515

Seattle/Tacoma IntlDecatur Arpt

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Tue 7/2

1 stop8h 16m

Decatur Arpt

Fri 7/19

2 stops16h 42m

$527

Seattle/Tacoma IntlDecatur Arpt

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Wed 7/3

1 stop15h 31m

Decatur Arpt

Fri 7/19

1 stop11h 24m

$534

Seattle/Tacoma IntlDecatur Arpt

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Wed 7/3

1 stop8h 16m

Decatur Arpt

Sat 7/20

1 stop24h 04m

$544

Seattle/Tacoma IntlDecatur Arpt

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Wed 7/3

1 stop8h 16m

Decatur Arpt

Sat 7/20

2 stops12h 27m

$564

Seattle/Tacoma IntlDecatur Arpt

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Wed 7/3

1 stop26h 00m

Decatur Arpt

Fri 7/19

2 stops16h 42m

$582

Seattle/Tacoma IntlDecatur Arpt

SEA - DEC

SEADEC

Seattle/Tacoma Intl

Wed 7/3

3 stops14h 11m

Decatur Arpt

Fri 7/19

1 stop11h 24m

$593

Flights are sorted by cheapest first

Deals found on 5/29

No data available for this route at this time. Please check back soon.

Best time to book a flight from Seattle to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Decatur

Get insights into the airlines that provide service to Decatur. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Decatur. Reviews last updated May 30, 2024.
United Airlines
7.4
Good
10,777 reviews
Check prices

Food

6.7

Comfort

7.2

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

United Airlines
7.4
Good
10,777 reviews
United Airlines
7.4
Good
10,777 reviews
Check prices

Food

6.7

Comfort

7.2

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

Related info for your journey

Find useful and relevant information for your journey from Seattle to Decatur. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Seattle to Decatur, Illinois for under $500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Decatur, Illinois for under $500. The cheapest flight booked recently is on United Airlines for just $479, but on average you can expect to pay $537.

  • What does SEA to DEC mean?

    SEA stands for Seattle/Tacoma Intl Airport, while DEC stands for Decatur Arpt Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Seattle to Decatur that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Decatur flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Decatur with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Decatur flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Decatur that include hotel bookings?

    Yes. In addition to deals on Seattle to Decatur flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Decatur?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Decatur.

  • Can I find deals for business class flights from Seattle to Decatur?

    Yes. Cheapflights offers flight deals from Seattle to Decatur by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Decatur that allow pets onboard?

    Many airlines flying from Seattle to Decatur offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Decatur?

    Yes, you can often find last-minute deals on Seattle to Decatur flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Decatur, Illinois flight deals updated?

    The Seattle to Decatur, Illinois flight deals you see on this page were last updated on 5/29.

See more FAQs

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Search flights from Seattle to Decatur by cabin class

Find flights from Seattle to Decatur, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Decatur?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Decatur for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle to Decatur with no change fees?

Need flexible booking options for your flight to Decatur from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Decatur become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Decatur from Seattle today and book when prices fit your budget.

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