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Cheap flights from Seattle to Peoria from $297

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Peoria departing on 12/4. 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 Peoria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:09 pm - 8:21 pmSEA-PIA
29h 12m1 stop
Multiple Airlines Logo
7:23 pm - 10:06 amPIA-SEA
16h 43m1 stop
$297Multiple Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
Multiple Airlines Logo
1:09 pm - 8:21 pmSEA-PIA
29h 12m1 stop
Multiple Airlines Logo
3:08 pm - 11:53 amPIA-SEA
22h 45m1 stop
$302Multiple Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 12
Multiple Airlines Logo
1:09 pm - 8:21 pmSEA-PIA
29h 12m1 stop
Multiple Airlines Logo
9:41 pm - 12:10 amPIA-SEA
52h 29m2 stops
$339Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 15
Multiple Airlines Logo
11:01 am - 8:51 pmSEA-PIA
7h 50m1 stop
Multiple Airlines Logo
3:08 pm - 5:23 pmPIA-SEA
52h 15m2 stops
$340Multiple Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
American Airlines Logo
8:04 am - 4:32 pmSEA-PIA
6h 28m1 stop
American Airlines Logo
3:55 pm - 9:47 pmPIA-SEA
7h 52m1 stop
$341American Airlines
Find Deal
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
7:00 am - 9:39 pmSEA-PIA
12h 39m2 stops
United Airlines Logo
6:30 am - 11:32 amPIA-SEA
7h 02m1 stop
$346United Airlines
Find Deal
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
8:40 am - 9:39 pmSEA-PIA
10h 59m2 stops
United Airlines Logo
8:35 am - 6:27 pmPIA-SEA
11h 52m2 stops
$351United Airlines
Find Deal
Sat, Jan 17 - Wed, Jan 21
Multiple Airlines Logo
2:25 pm - 8:21 pmSEA-PIA
27h 56m2 stops
Multiple Airlines Logo
7:23 pm - 10:06 amPIA-SEA
16h 43m1 stop
$399Multiple Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
American Airlines Logo
6:00 am - 6:08 pmSEA-PIA
10h 08m1 stop
American Airlines Logo
6:32 am - 1:06 pmPIA-SEA
8h 34m1 stop
$440American Airlines
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Thu, Dec 4 - Tue, Dec 16
United Airlines Logo
12:35 pm - 8:56 pmSEA-PIA
6h 21m1 stop
United Airlines Logo
8:40 am - 9:00 pmPIA-SEA
14h 20m2 stops
$445United Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 16

American Airlines flights from Seattle to Peoria, Illinois

Our best American Airlines deals on Seattle to Peoria, Illinois flight tickets
American Airlines
Jan 17
SEA8:04 amSeattle/Tacoma Intl
6h 28m
1 stop
PIA4:32 pmGreater Peoria
Jan 21
PIA3:55 pmGreater Peoria
7h 52m
1 stop
SEA9:47 pmSeattle/Tacoma Intl
$341
Find similar
American Airlines
Dec 1
SEA11:59 pmSeattle/Tacoma Intl
8h 16m
1 stop
PIA10:15 amGreater Peoria
Dec 13
PIA4:19 pmGreater Peoria
9h 19m
1 stop
SEA11:38 pmSeattle/Tacoma Intl
$404
Find similar
American Airlines
Dec 4
SEA6:00 amSeattle/Tacoma Intl
10h 08m
1 stop
PIA6:08 pmGreater Peoria
Dec 16
PIA6:32 amGreater Peoria
8h 34m
1 stop
SEA1:06 pmSeattle/Tacoma Intl
$440
Find similar

United Airlines flights from Seattle to Peoria, Illinois

Our best United Airlines deals on Seattle to Peoria, Illinois flight tickets
United Airlines
Jan 17
SEA7:00 amSeattle/Tacoma Intl
12h 39m
2 stops
PIA9:39 pmGreater Peoria
Jan 21
PIA6:30 amGreater Peoria
7h 02m
1 stop
SEA11:32 amSeattle/Tacoma Intl
$346
Find similar
United Airlines
Jan 17
SEA8:40 amSeattle/Tacoma Intl
10h 59m
2 stops
PIA9:39 pmGreater Peoria
Jan 21
PIA8:35 amGreater Peoria
11h 52m
2 stops
SEA6:27 pmSeattle/Tacoma Intl
$351
Find similar
United Airlines
Dec 4
SEA12:35 pmSeattle/Tacoma Intl
6h 21m
1 stop
PIA8:56 pmGreater Peoria
Dec 16
PIA8:40 amGreater Peoria
14h 20m
2 stops
SEA9:00 pmSeattle/Tacoma Intl
$445
Find similar

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 November 24, 2025.
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

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Thu 12/4

1:09 pm-8:21 pm

1 stop29h 12m

Greater Peoria

Wed 12/10

7:23 pm-10:06 am

1 stop16h 43m

$297

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Thu 12/4

1:09 pm-8:21 pm

1 stop29h 12m

Greater Peoria

Fri 12/12

3:08 pm-11:53 am

1 stop22h 45m

$302

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Thu 12/4

1:09 pm-8:21 pm

1 stop29h 12m

Greater Peoria

Mon 12/15

9:41 pm-12:10 am

2 stops52h 29m

$339

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Mon 12/8

11:01 am-8:51 pm

1 stop7h 50m

Greater Peoria

Fri 12/12

3:08 pm-5:23 pm

2 stops52h 15m

$340

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Sat 1/17

8:04 am-4:32 pm

1 stop6h 28m

Greater Peoria

Wed 1/21

3:55 pm-9:47 pm

1 stop7h 52m

$341

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Sat 1/17

7:00 am-9:39 pm

2 stops12h 39m

Greater Peoria

Wed 1/21

6:30 am-11:32 am

1 stop7h 02m

$346

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Sat 1/17

8:40 am-9:39 pm

2 stops10h 59m

Greater Peoria

Wed 1/21

8:35 am-6:27 pm

2 stops11h 52m

$351

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Thu 12/4

2:25 pm-8:21 pm

2 stops27h 56m

Greater Peoria

Wed 12/10

7:23 pm-10:06 am

1 stop16h 43m

$399

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Thu 12/4

6:00 am-6:08 pm

1 stop10h 08m

Greater Peoria

Tue 12/16

6:32 am-1:06 pm

1 stop8h 34m

$440

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Thu 12/4

12:35 pm-8:56 pm

1 stop6h 21m

Greater Peoria

Tue 12/16

8:40 am-9:00 pm

2 stops14h 20m

$445

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 cheapest month to fly to Peoria, Illinois?

The cheapest month to fly to Peoria, Illinois from Seattle is in December. Flight prices, which tend to average around $288, are often lower during this time because this is during the off-season. If you’re not able to fly to Peoria, Illinois in December, then October is your next best option. Flight prices from Seattle to Peoria, Illinois during October average around $293.

What is the cheapest day to depart on your flight to Peoria, Illinois?

Our data shows that Saturday is the least expensive day to fly to Peoria, Illinois. Tickets to fly out on this day can be as low as $546. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $940. These prices are subject to change though, so be sure to set up a Price Alert for flights to Peoria, Illinois.

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

Our most recent data shows that the best time of day to fly to Peoria, Illinois is in the evening. Flights from Seattle to Peoria, Illinois during this time can be as low as $537. Try not to purchase tickets at noon because they tend to be around $648. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Peoria, Illinois?

You are more likely to see cheaper flights to Peoria, Illinois from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Peoria, Illinois for around $422 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Peoria, Illinois from Seattle for as low as $315 on momondo.

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

You could potentially save up to 7% 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

Direct flights

None
There are no direct flights from Seattle to Peoria, Illinois. There are no popular flight routes from Seattle to Peoria, Illinois.
Search flight deals

  • 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 21m, 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 $228Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,044 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

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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