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Cheap flights from Seattle to Peoria from $230

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 Peoria departing on 9/29. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Peoria

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:41 pm - 12:08 amSEA  Seattle/Tacoma Intl-PIA Greater Peoria
6h 27m1 stop Chicago O'Hare Intl
American Airlines Logo
5:28 pm - 12:11 amPIA  Greater Peoria-SEA Seattle/Tacoma Intl
8h 43m1 stop Chicago O'Hare Intl
$281American Airlines
Wed, Sep 9 - Wed, Sep 16
American Airlines Logo
3:41 pm - 12:08 amSEA  Seattle/Tacoma Intl-PIA Greater Peoria
6h 27m1 stop Chicago O'Hare Intl
American Airlines Logo
5:28 pm - 12:11 amPIA  Greater Peoria-SEA Seattle/Tacoma Intl
8h 43m1 stop Chicago O'Hare Intl
$281American Airlines
Wed, Sep 16 - Tue, Sep 22
United Airlines Logo
11:00 pm - 10:06 amSEA  Seattle/Tacoma Intl-PIA Greater Peoria
9h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
3:35 pm - 10:45 pmPIA  Greater Peoria-SEA Seattle/Tacoma Intl
9h 10m1 stop Chicago O'Hare Intl
$281United Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
6:18 am - 4:58 pmSEA  Seattle/Tacoma Intl-PIA Greater Peoria
8h 40m1 stop Chicago O'Hare Intl
American Airlines Logo
12:31 pm - 7:44 pmPIA  Greater Peoria-SEA Seattle/Tacoma Intl
9h 13m1 stop Dallas/Fort Worth
$281American Airlines
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
6:15 am - 4:58 pmSEA  Seattle/Tacoma Intl-PIA Greater Peoria
8h 43m1 stop Chicago O'Hare Intl
American Airlines Logo
5:28 pm - 12:11 amPIA  Greater Peoria-SEA Seattle/Tacoma Intl
8h 43m1 stop Chicago O'Hare Intl
$281American Airlines
Thu, Sep 10 - Tue, Sep 15
United Airlines Logo
11:00 pm - 10:06 amSEA  Seattle/Tacoma Intl-PIA Greater Peoria
9h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
8:45 am - 4:14 pmPIA  Greater Peoria-SEA Seattle/Tacoma Intl
9h 29m2 stops Denver Intl San Francisco
$301United Airlines
Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
11:00 pm - 10:06 amSEA  Seattle/Tacoma Intl-PIA Greater Peoria
9h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
3:35 pm - 10:45 pmPIA  Greater Peoria-SEA Seattle/Tacoma Intl
9h 10m1 stop Chicago O'Hare Intl
$339United Airlines
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
4:27 pm - 5:19 pmSEA  Seattle/Tacoma Intl-PIA Greater Peoria
22h 52m1 stop Denver Intl
Multiple Airlines Logo
5:14 pm - 6:36 pmPIA  Greater Peoria-SEA Seattle/Tacoma Intl
27h 22m2 stops Las Vegas Harry Reid Intl Los Angeles Los Angeles
$344Multiple Airlines
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
7:06 pm - 5:24 pmSEA  Seattle/Tacoma Intl-PIA Greater Peoria
20h 18m1 stop Denver Intl
Multiple Airlines Logo
10:07 am - 9:19 amPIA  Greater Peoria-SEA Seattle/Tacoma Intl
25h 12m1 stop Denver Intl
$353Multiple Airlines
Wed, Aug 26 - Sun, Aug 30
Multiple Airlines Logo
4:27 pm - 5:19 pmSEA  Seattle/Tacoma Intl-PIA Greater Peoria
22h 52m1 stop Denver Intl
Multiple Airlines Logo
5:14 pm - 9:42 amPIA  Greater Peoria-SEA Seattle/Tacoma Intl
18h 28m1 stop Las Vegas Harry Reid Intl
$357Multiple Airlines
Wed, Sep 9 - Mon, Sep 14

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American Airlines flights from Seattle to Peoria, Illinois

Our best American Airlines deals on Seattle to Peoria, Illinois flight tickets
American Airlines
Sep 10
SEA6:15 amSeattle/Tacoma Intl
8h 43m
1 stop
PIA4:58 pmGreater Peoria
Sep 15
PIA5:28 pmGreater Peoria
8h 43m
1 stop
SEA12:11 amSeattle/Tacoma Intl
$281
American Airlines
Sep 3
SEA3:35 pmSeattle/Tacoma Intl
6h 24m
1 stop
PIA11:59 pmGreater Peoria
Sep 16
PIA5:28 pmGreater Peoria
8h 43m
1 stop
SEA12:11 amSeattle/Tacoma Intl
$320
American Airlines
Aug 28
SEA5:00 amSeattle/Tacoma Intl
8h 53m
1 stop
PIA3:53 pmGreater Peoria
Aug 30
PIA4:43 pmGreater Peoria
10h 07m
1 stop
SEA12:50 amSeattle/Tacoma Intl
$359

United Airlines flights from Seattle to Peoria, Illinois

Our best United Airlines deals on Seattle to Peoria, Illinois flight tickets
United Airlines
Sep 5
SEA11:00 pmSeattle/Tacoma Intl
9h 06m
1 stop
PIA10:06 amGreater Peoria
Sep 12
PIA8:45 amGreater Peoria
9h 29m
2 stops
SEA4:14 pmSeattle/Tacoma Intl
$301
United Airlines
Sep 5
SEA11:00 pmSeattle/Tacoma Intl
9h 06m
1 stop
PIA10:06 amGreater Peoria
Sep 12
PIA3:35 pmGreater Peoria
9h 10m
1 stop
SEA10:45 pmSeattle/Tacoma Intl
$339
United Airlines
Sep 5
SEA11:00 pmSeattle/Tacoma Intl
9h 06m
1 stop
PIA10:06 amGreater Peoria
Sep 12
PIA8:45 amGreater Peoria
9h 29m
2 stops
SEA4:14 pmSeattle/Tacoma Intl
$345

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Peoria, 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 August 10, 2026.
Use the filters below to find and compare flights from Seattle to Peoria, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattlePeoria

SEA Seattle/Tacoma Intl - PIA Greater Peoria

SEAPIA

Seattle/Tacoma Intl

Wed 9/9

3:41 pm-12:08 am

1 stop6h 27m

Greater Peoria

Wed 9/16

5:28 pm-12:11 am

1 stop8h 43m

$281

SeattlePeoria

SEA Seattle/Tacoma Intl - PIA Greater Peoria

SEAPIA

Seattle/Tacoma Intl

Wed 9/16

3:41 pm-12:08 am

1 stop6h 27m

Greater Peoria

Tue 9/22

5:28 pm-12:11 am

1 stop8h 43m

$281

SeattlePeoria

SEA Seattle/Tacoma Intl - PIA Greater Peoria

SEAPIA

Seattle/Tacoma Intl

Sat 9/5

11:00 pm-10:06 am

1 stop9h 06m

Greater Peoria

Sat 9/12

3:35 pm-10:45 pm

1 stop9h 10m

$281

SeattlePeoria

SEA Seattle/Tacoma Intl - PIA Greater Peoria

SEAPIA

Seattle/Tacoma Intl

Tue 9/29

6:18 am-4:58 pm

1 stop8h 40m

Greater Peoria

Tue 10/6

12:31 pm-7:44 pm

1 stop9h 13m

$281

SeattlePeoria

SEA Seattle/Tacoma Intl - PIA Greater Peoria

SEAPIA

Seattle/Tacoma Intl

Thu 9/10

6:15 am-4:58 pm

1 stop8h 43m

Greater Peoria

Tue 9/15

5:28 pm-12:11 am

1 stop8h 43m

$281

SeattlePeoria

SEA Seattle/Tacoma Intl - PIA Greater Peoria

SEAPIA

Seattle/Tacoma Intl

Sat 9/5

11:00 pm-10:06 am

1 stop9h 06m

Greater Peoria

Sat 9/12

8:45 am-4:14 pm

2 stops9h 29m

$301

SeattlePeoria

SEA Seattle/Tacoma Intl - PIA Greater Peoria

SEAPIA

Seattle/Tacoma Intl

Sat 9/5

11:00 pm-10:06 am

1 stop9h 06m

Greater Peoria

Sat 9/12

3:35 pm-10:45 pm

1 stop9h 10m

$339

SeattlePeoria

SEA Seattle/Tacoma Intl - PIA Greater Peoria

SEAPIA

Seattle/Tacoma Intl

Wed 9/9

4:27 pm-5:19 pm

1 stop22h 52m

Greater Peoria

Mon 9/14

5:14 pm-6:36 pm

2 stops27h 22m

$344

SeattlePeoria

SEA Seattle/Tacoma Intl - PIA Greater Peoria

SEAPIA

Seattle/Tacoma Intl

Wed 8/26

7:06 pm-5:24 pm

1 stop20h 18m

Greater Peoria

Sun 8/30

10:07 am-9:19 am

1 stop25h 12m

$353

SeattlePeoria

SEA Seattle/Tacoma Intl - PIA Greater Peoria

SEAPIA

Seattle/Tacoma Intl

Wed 9/9

4:27 pm-5:19 pm

1 stop22h 52m

Greater Peoria

Mon 9/14

5:14 pm-9:42 am

1 stop18h 28m

$357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Peoria from

How to get the cheapest flight ticket from Seattle to Peoria, 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 typical price of a round-trip flight between Seattle and Peoria, Illinois?

Prices are currently low for flights on this route.

Typical prices usually range from $419 to $621.
The lowest price recently found on this route was $281.

What is the cheapest month to fly to Peoria, Illinois?

The cheapest month to fly to Peoria, Illinois from Seattle is in October. Flight prices, which tend to average around $273, are often lower during this time because this is during the off-season. If you’re not able to fly to Peoria, Illinois in October, then December is your next best option. Flight prices from Seattle to Peoria, Illinois during December average around $288.

When to book flights from Seattle to Peoria, Illinois

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

Cheap Seattle to Peoria, Illinois (SEA to PIA) flight deals and tips

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

Fastest flight time

6h 43m

Direct flights

None
The fastest flight from Seattle to Peoria, Illinois takes 6h 43m
There are no direct flights from Seattle to Peoria, Illinois. There are no popular flight routes from Seattle to Peoria, Illinois.
Search flight deals

Frequently asked questions about flying from Seattle to Peoria, Illinois

  • How far is Seattle/Tacoma Intl to Greater Peoria by plane?

    There are 1677.2 mi between Seattle/Tacoma Intl and Greater Peoria. Flights usually cover this in 6h 43m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Greater Peoria Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Greater Peoria Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Greater Peoria Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Greater Peoria Airport.

  • What documentation or ID do you need to fly to Greater Peoria Airport?

    The travel and health documents you'll need for your trip to Greater Peoria Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Greater Peoria Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Peoria, Illinois?

Best airlines flying from Seattle to Peoria, Illinois

Compare and see reviews for airlines that fly from Seattle to Peoria, Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $250Free CancellationRating
7.1
11,897 reviews
Search American Airlines flights
United AirlinesPriceFrom $273Free CancellationRating
7.4
10,095 reviews
Search United Airlines flights

Traveling to a place near Peoria?

Book flights to Peoria if you plan to visit one of these locations
Canton
Eureka

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Peoria?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Peoria. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Seattle to Peoria flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

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