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Cheap flights from Seattle to Peoria from $165

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 8/19. 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
2:07 pm - 11:19 pm
SEA
-
PIA
7h 12m
1 stop
American Airlines Logo
7:11 am - 2:56 pm
PIA
-
SEA
9h 45m
1 stop
$271American Airlines
Wed, Aug 19 - Tue, Aug 25
American Airlines Logo
12:40 am - 11:50 am
SEA
-
PIA
9h 10m
1 stop
American Airlines Logo
12:20 pm - 8:04 pm
PIA
-
SEA
9h 44m
1 stop
$349American Airlines
Thu, Aug 27 - Sun, Aug 30
United Airlines Logo
11:00 pm - 10:06 am
SEA
-
PIA
9h 06m
1 stop
United Airlines Logo
8:29 am - 4:14 pm
PIA
-
SEA
9h 45m
2 stops
$363United Airlines
Wed, Aug 19 - Tue, Aug 25
United Airlines Logo
1:56 pm - 10:58 pm
SEA
-
PIA
7h 02m
1 stop
United Airlines Logo
10:43 am - 8:37 pm
PIA
-
SEA
11h 54m
2 stops
$374United Airlines
Sat, Oct 17 - Sat, Oct 24
Multiple Airlines Logo
7:41 pm - 2:14 pm
SEA
-
PIA
16h 33m
1 stop
Multiple Airlines Logo
2:37 pm - 5:45 pm
PIA
-
SEA
29h 08m
1 stop
$377Multiple Airlines
Sat, Oct 17 - Sun, Oct 25
United Airlines Logo
7:35 pm - 10:06 am
SEA
-
PIA
12h 31m
2 stops
United Airlines Logo
8:29 am - 4:14 pm
PIA
-
SEA
9h 45m
2 stops
$381United Airlines
Wed, Aug 19 - Tue, Aug 25
American Airlines Logo
3:35 pm - 11:59 pm
SEA
-
PIA
6h 24m
1 stop
American Airlines Logo
6:48 pm - 12:13 am
PIA
-
SEA
7h 25m
1 stop
$384American Airlines
Fri, Aug 7 - Sun, Aug 9
United Airlines Logo
11:13 pm - 10:06 am
SEA
-
PIA
8h 53m
1 stop
United Airlines Logo
4:05 pm - 10:56 pm
PIA
-
SEA
8h 51m
1 stop
$410United Airlines
Wed, Sep 30 - Sat, Oct 3
United Airlines Logo
11:13 pm - 10:06 am
SEA
-
PIA
8h 53m
1 stop
United Airlines Logo
6:15 am - 7:03 pm
PIA
-
SEA
14h 48m
2 stops
$415United Airlines
Wed, Sep 30 - Sat, Oct 3
American Airlines Logo
2:09 pm - 12:22 am
SEA
-
PIA
8h 13m
1 stop
American Airlines Logo
7:20 pm - 12:52 am
PIA
-
SEA
7h 32m
1 stop
$419American Airlines
Tue, Jul 21 - Sat, Jul 25

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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
Aug 19
SEA2:07 pmSeattle/Tacoma Intl
7h 12m
1 stop
PIA11:19 pmGreater Peoria
Aug 25
PIA7:11 amGreater Peoria
9h 45m
1 stop
SEA2:56 pmSeattle/Tacoma Intl
$271
American Airlines
Aug 27
SEA12:40 amSeattle/Tacoma Intl
9h 10m
1 stop
PIA11:50 amGreater Peoria
Aug 30
PIA12:20 pmGreater Peoria
9h 44m
1 stop
SEA8:04 pmSeattle/Tacoma Intl
$349
American Airlines
Aug 7
SEA3:35 pmSeattle/Tacoma Intl
6h 24m
1 stop
PIA11:59 pmGreater Peoria
Aug 9
PIA6:48 pmGreater Peoria
7h 25m
1 stop
SEA12:13 amSeattle/Tacoma Intl
$384

United Airlines flights from Seattle to Peoria, Illinois

Our best United Airlines deals on Seattle to Peoria, Illinois flight tickets
United Airlines
Aug 19
SEA11:00 pmSeattle/Tacoma Intl
9h 06m
1 stop
PIA10:06 amGreater Peoria
Aug 25
PIA8:29 amGreater Peoria
9h 45m
2 stops
SEA4:14 pmSeattle/Tacoma Intl
$363
United Airlines
Oct 17
SEA1:56 pmSeattle/Tacoma Intl
7h 02m
1 stop
PIA10:58 pmGreater Peoria
Oct 24
PIA10:43 amGreater Peoria
11h 54m
2 stops
SEA8:37 pmSeattle/Tacoma Intl
$374
United Airlines
Aug 19
SEA7:35 pmSeattle/Tacoma Intl
12h 31m
2 stops
PIA10:06 amGreater Peoria
Aug 25
PIA8:29 amGreater Peoria
9h 45m
2 stops
SEA4:14 pmSeattle/Tacoma Intl
$381

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 July 7, 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

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Wed 8/19

2:07 pm-11:19 pm

1 stop7h 12m

Greater Peoria

Tue 8/25

7:11 am-2:56 pm

1 stop9h 45m

$271

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Thu 8/27

12:40 am-11:50 am

1 stop9h 10m

Greater Peoria

Sun 8/30

12:20 pm-8:04 pm

1 stop9h 44m

$349

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Wed 8/19

11:00 pm-10:06 am

1 stop9h 06m

Greater Peoria

Tue 8/25

8:29 am-4:14 pm

2 stops9h 45m

$363

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Sat 10/17

1:56 pm-10:58 pm

1 stop7h 02m

Greater Peoria

Sat 10/24

10:43 am-8:37 pm

2 stops11h 54m

$374

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Sat 10/17

7:41 pm-2:14 pm

1 stop16h 33m

Greater Peoria

Sun 10/25

2:37 pm-5:45 pm

1 stop29h 08m

$377

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Wed 8/19

7:35 pm-10:06 am

2 stops12h 31m

Greater Peoria

Tue 8/25

8:29 am-4:14 pm

2 stops9h 45m

$381
Quickest round-trip

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Fri 8/7

3:35 pm-11:59 pm

1 stop6h 24m

Greater Peoria

Sun 8/9

6:48 pm-12:13 am

1 stop7h 25m

$384

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Wed 9/30

11:13 pm-10:06 am

1 stop8h 53m

Greater Peoria

Sat 10/3

4:05 pm-10:56 pm

1 stop8h 51m

$410

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Wed 9/30

11:13 pm-10:06 am

1 stop8h 53m

Greater Peoria

Sat 10/3

6:15 am-7:03 pm

2 stops14h 48m

$415

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Tue 7/21

2:09 pm-12:22 am

1 stop8h 13m

Greater Peoria

Sat 7/25

7:20 pm-12:52 am

1 stop7h 32m

$419

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?

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.

Can stopping save me money on Seattle to Peoria, Illinois flights?

You could potentially save up to 37% on your flight if you consider stops on a Seattle to Peoria, Illinois flight.

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

8h 53m

Direct flights

None
The fastest flight from Seattle to Peoria, Illinois takes 8h 53m
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 8h 53m, 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
11,782 reviews
Search American Airlines flights
United AirlinesPriceFrom $273Free CancellationRating
7.4
9,944 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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