Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Peoria, Illinois to Seattle from $171

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Peoria, Illinois to Seattle departing on 4/8. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Peoria, Illinois to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:25 pm - 10:45 pm
PIA
-
SEA
7h 20m
1 stop
United Airlines Logo
7:00 am - 4:40 pm
SEA
-
PIA
7h 40m
1 stop
$251United Airlines
Wed, Mar 18 - Tue, Mar 24
United Airlines Logo
5:25 pm - 10:45 pm
PIA
-
SEA
7h 20m
1 stop
United Airlines Logo
11:59 pm - 12:43 pm
SEA
-
PIA
10h 44m
2 stops
$256United Airlines
Wed, Mar 18 - Tue, Mar 24
American Airlines Logo
7:05 pm - 12:30 am
PIA
-
SEA
7h 25m
1 stop
American Airlines Logo
7:00 am - 6:24 pm
SEA
-
PIA
9h 24m
1 stop
$280American Airlines
Fri, Apr 17 - Sat, Apr 25
United Airlines Logo
10:40 am - 6:50 pm
PIA
-
SEA
10h 10m
2 stops
United Airlines Logo
11:59 pm - 10:03 am
SEA
-
PIA
8h 04m
1 stop
$285United Airlines
Tue, Mar 10 - Sat, Mar 14
United Airlines Logo
5:25 pm - 10:45 pm
PIA
-
SEA
7h 20m
1 stop
United Airlines Logo
11:59 pm - 10:03 am
SEA
-
PIA
8h 04m
1 stop
$309United Airlines
Thu, Mar 12 - Sat, Mar 14
United Airlines Logo
5:25 pm - 10:42 pm
PIA
-
SEA
7h 17m
1 stop
United Airlines Logo
2:23 pm - 10:29 pm
SEA
-
PIA
6h 06m
1 stop
$327United Airlines
Sat, May 16 - Tue, May 19
United Airlines Logo
5:33 pm - 11:59 pm
PIA
-
SEA
8h 26m
1 stop
United Airlines Logo
11:52 pm - 10:10 am
SEA
-
PIA
8h 18m
1 stop
$336United Airlines
Fri, Jun 12 - Mon, Jun 22
United Airlines Logo
5:25 pm - 10:45 pm
PIA
-
SEA
7h 20m
1 stop
United Airlines Logo
11:59 pm - 10:03 am
SEA
-
PIA
8h 04m
1 stop
$341United Airlines
Tue, Mar 17 - Tue, Mar 24
United Airlines Logo
2:20 pm - 7:03 pm
PIA
-
SEA
6h 43m
1 stop
United Airlines Logo
11:59 pm - 1:45 pm
SEA
-
PIA
11h 46m
2 stops
$346United Airlines
Tue, Mar 17 - Tue, Mar 24
American Airlines Logo
7:00 pm - 12:24 am
PIA
-
SEA
7h 24m
1 stop
American Airlines Logo
12:59 am - 10:39 am
SEA
-
PIA
7h 40m
1 stop
$359American Airlines
Fri, Feb 27 - Sat, Feb 28

United Airlines flights from Peoria, Illinois to Seattle

Our best United Airlines deals on Peoria, Illinois to Seattle flight tickets
United Airlines
Mar 18
PIA5:25 pmGreater Peoria
7h 20m
1 stop
SEA10:45 pmSeattle/Tacoma Intl
Mar 24
SEA7:00 amSeattle/Tacoma Intl
7h 40m
1 stop
PIA4:40 pmGreater Peoria
$251
United Airlines
Mar 18
PIA5:25 pmGreater Peoria
7h 20m
1 stop
SEA10:45 pmSeattle/Tacoma Intl
Mar 24
SEA11:59 pmSeattle/Tacoma Intl
10h 44m
2 stops
PIA12:43 pmGreater Peoria
$256
United Airlines
Mar 10
PIA10:40 amGreater Peoria
10h 10m
2 stops
SEA6:50 pmSeattle/Tacoma Intl
Mar 14
SEA11:59 pmSeattle/Tacoma Intl
8h 04m
1 stop
PIA10:03 amGreater Peoria
$285

American Airlines flights from Peoria, Illinois to Seattle

Our best American Airlines deals on Peoria, Illinois to Seattle flight tickets
American Airlines
Apr 17
PIA7:05 pmGreater Peoria
7h 25m
1 stop
SEA12:30 amSeattle/Tacoma Intl
Apr 25
SEA7:00 amSeattle/Tacoma Intl
9h 24m
1 stop
PIA6:24 pmGreater Peoria
$280
American Airlines
Feb 27
PIA7:00 pmGreater Peoria
7h 24m
1 stop
SEA12:24 amSeattle/Tacoma Intl
Feb 28
SEA12:59 amSeattle/Tacoma Intl
7h 40m
1 stop
PIA10:39 amGreater Peoria
$359
American Airlines
May 23
PIA6:49 pmGreater Peoria
6h 50m
1 stop
SEA11:39 pmSeattle/Tacoma Intl
May 30
SEA11:58 pmSeattle/Tacoma Intl
7h 18m
1 stop
PIA9:16 amGreater Peoria
$379

momondo Fare Finder

 
Customize your flight search to find flights from Peoria, Illinois to Seattle 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 February 16, 2026.
Use the filters below to find and compare flights from Peoria, Illinois to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 3/18

5:25 pm-10:45 pm

1 stop7h 20m

Seattle/Tacoma Intl

Tue 3/24

7:00 am-4:40 pm

1 stop7h 40m

$251

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 3/18

5:25 pm-10:45 pm

1 stop7h 20m

Seattle/Tacoma Intl

Tue 3/24

11:59 pm-12:43 pm

2 stops10h 44m

$256

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Fri 4/17

7:05 pm-12:30 am

1 stop7h 25m

Seattle/Tacoma Intl

Sat 4/25

7:00 am-6:24 pm

1 stop9h 24m

$280

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Tue 3/10

10:40 am-6:50 pm

2 stops10h 10m

Seattle/Tacoma Intl

Sat 3/14

11:59 pm-10:03 am

1 stop8h 04m

$285

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Thu 3/12

5:25 pm-10:45 pm

1 stop7h 20m

Seattle/Tacoma Intl

Sat 3/14

11:59 pm-10:03 am

1 stop8h 04m

$309

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 5/16

5:25 pm-10:42 pm

1 stop7h 17m

Seattle/Tacoma Intl

Tue 5/19

2:23 pm-10:29 pm

1 stop6h 06m

$327

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Fri 6/12

5:33 pm-11:59 pm

1 stop8h 26m

Seattle/Tacoma Intl

Mon 6/22

11:52 pm-10:10 am

1 stop8h 18m

$336

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Tue 3/17

5:25 pm-10:45 pm

1 stop7h 20m

Seattle/Tacoma Intl

Tue 3/24

11:59 pm-10:03 am

1 stop8h 04m

$341

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Tue 3/17

2:20 pm-7:03 pm

1 stop6h 43m

Seattle/Tacoma Intl

Tue 3/24

11:59 pm-1:45 pm

2 stops11h 46m

$346

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Fri 2/27

7:00 pm-12:24 am

1 stop7h 24m

Seattle/Tacoma Intl

Sat 2/28

12:59 am-10:39 am

1 stop7h 40m

$359

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from Peoria, Illinois to Seattle

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 Seattle?

In general, October is the cheapest month to fly from Peoria, Illinois to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $289. If you don’t want to visit Seattle in October, then you should wait until November to fly from Peoria, Illinois, when ticket prices are also cheap, with an average price of $313.

How have Peoria, Illinois to Seattle flight prices changed over time?

When to book flights from Peoria, Illinois to Seattle

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

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

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

Fastest flight time

6h 58m

Direct flights

None
The fastest flight from Peoria, Illinois to Seattle takes 6h 58m
There are no direct flights from Peoria, Illinois to Seattle. There are no popular flight routes from Peoria, Illinois to Seattle.
Search flight deals

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

    The straight-line distance from Greater Peoria to Seattle/Tacoma Intl is 1677.2 mi. 6h 58m is a normal flight duration for this route.

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

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

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

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

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl 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.

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

Best airlines flying from Peoria, Illinois to Seattle

Compare and see reviews for airlines that fly from Peoria, Illinois to Seattle with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,308 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,294 reviews
Search American Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Kirkland
Westport
Centralia
Fife
Tumwater

Why use momondo?

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

Finding the right flight to Seattle from Peoria is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

All flight searches from Peoria to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Seattle from Peoria. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Seattle from Peoria. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 3/18
Wed 3/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States