$288+ Cheap flights from Seattle to Peoria, IL (SEA - PIA)
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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PIA
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Peoria with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Peoria
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Cheapest flights from Seattle to PeoriaExplore the most affordable flight options available from Seattle to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Seattle to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:10 pm -
1 stop6h 53m
Tue 11/1012:25 pm -
1 stop9h 32m
Deal found 9/20![American Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:10 am -
1 stop8h 38m
Tue 11/105:37 pm -
1 stop8h 58m
Deal found 9/20![American Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:56 pm -
1 stop9h 12m
Sat 12/510:45 am -
1 stop7h 33m
Deal found 9/22![United Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:09 am -
2 stops11h 04m
Tue 11/105:30 pm -
1 stop7h 37m
Deal found 9/20![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:10 pm -
1 stop6h 53m
Sun 11/85:37 pm -
1 stop8h 58m
Deal found 9/19![American Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:10 pm -
1 stop6h 53m
Tue 11/244:43 pm -
1 stop9h 04m
Deal found 9/19![American Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:56 pm -
1 stop7h 02m
Sat 10/248:30 am -
2 stops11h 07m
Deal found 9/22![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:56 pm -
1 stop9h 12m
Mon 11/95:30 pm -
1 stop7h 37m
Deal found 9/21![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:35 pm -
2 stops11h 33m
Sun 11/15:35 pm -
1 stop7h 32m
Deal found 9/22![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:50 am -
1 stop8h 23m
Sat 11/215:30 pm -
1 stop7h 37m
Deal found 9/22![United Airlines logo]()
$421
Best flights from Seattle to PeoriaDiscover carefully curated flight deals from Seattle to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Seattle to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:56 pm -
1 stop9h 12m
Sat 12/510:45 am -
1 stop7h 33m
Deal found 9/22![United Airlines logo]()
$301
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:10 pm -
1 stop6h 53m
Tue 11/244:43 pm -
1 stop9h 04m
Deal found 9/19![American Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:13 pm -
2 stops35h 52m
Tue 11/2412:26 pm -
1 stop26h 11m
Deal found 9/19![Multiple Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:30 pm -
1 stop6h 43m
Tue 11/108:41 am -
2 stops11h 45m
Deal found 9/20![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:09 am -
2 stops11h 04m
Tue 11/105:30 pm -
1 stop7h 37m
Deal found 9/20![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:10 pm -
1 stop6h 53m
Mon 11/95:37 pm -
1 stop8h 58m
Deal found 9/21![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:40 am -
2 stops10h 33m
Sun 11/85:35 pm -
1 stop7h 32m
Deal found 9/19![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:56 pm -
1 stop9h 12m
Mon 11/95:30 pm -
1 stop7h 37m
Deal found 9/21![United Airlines logo]()
$379
Last-minute flights from Seattle to PeoriaDiscover last-minute flight deals from Seattle to Peoria. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Peoria. Data last updated September 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:41 pm -
1 stop6h 27m
Thu 10/84:27 pm -
1 stop8h 43m
Deal found 9/22![American Airlines logo]()
$547
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:14 pm -
1 stop6h 56m
Fri 10/165:30 pm -
1 stop9h 06m
Deal found 9/19![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:56 pm -
1 stop7h 02m
Fri 10/168:30 am -
2 stops14h 07m
Deal found 9/22![United Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:14 pm -
1 stop6h 56m
Sun 10/115:05 am -
1 stop9h 13m
Deal found 9/22![American Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:05 am -
2 stops9h 46m
Sun 10/116:15 am -
1 stop7h 12m
Deal found 9/22![United Airlines logo]()
$591
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:14 pm -
1 stop6h 56m
Mon 10/124:27 pm -
1 stop8h 43m
Deal found 9/21![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:14 pm -
1 stop6h 56m
Sat 10/244:42 pm -
1 stop9h 28m
Deal found 9/22![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:56 pm -
1 stop7h 02m
Sat 10/248:30 am -
2 stops11h 07m
Deal found 9/22![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:25 pm -
2 stops12h 43m
Thu 10/298:41 am -
2 stops11h 52m
Deal found 9/23![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:35 pm -
2 stops11h 33m
Sun 11/15:35 pm -
1 stop7h 32m
Deal found 9/22![United Airlines logo]()
$384
One-way flights from Seattle to PeoriaSearch for one-way flight options from Seattle to Peoria. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Seattle to Peoria. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Trip.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:45 pm -
1 stop12h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$316
This deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:50 am -
1 stop8h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:27 pm -
3 stops47h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$460
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:15 am -
1 stop15h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:05 am -
2 stops11h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$561
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:40 pm -
1 stop8h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:43 pm -
2 stops13h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$594
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:00 am -
1 stop9h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:30 am -
2 stops10h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$659
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:45 pm -
3 stops57h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$792
Find flight deals from Seattle to Peoria
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Peoria (PIA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $288 (American Airlines) |
Popular in | July |
Cheapest in | December |
Average price | $419 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Peoria 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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Seattle to Peoria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattlePeoria
SEA Seattle/Tacoma Intl - PIA Greater Peoria
SEAPIA
Seattle/Tacoma Intl
Sat 11/21
10:56 pm-10:08 am
1 stop9h 12m
Greater Peoria
Sat 12/5
10:45 am-4:18 pm
1 stop7h 33m
$301
SeattlePeoria
SEA Seattle/Tacoma Intl - PIA Greater Peoria
SEAPIA
Seattle/Tacoma Intl
Wed 12/23
6:49 pm-8:23 pm
2 stops23h 34m
Greater Peoria
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$305
SeattlePeoria
SEA Seattle/Tacoma Intl - PIA Greater Peoria
SEAPIA
Seattle/Tacoma Intl
Wed 11/4
2:30 pm-11:13 pm
1 stop6h 43m
Greater Peoria
Tue 11/10
8:41 am-6:26 pm
2 stops11h 45m
$329
SeattlePeoria
SEA Seattle/Tacoma Intl - PIA Greater Peoria
SEAPIA
Seattle/Tacoma Intl
Tue 11/3
8:09 am-9:13 pm
2 stops11h 04m
Greater Peoria
Tue 11/10
5:30 pm-11:07 pm
1 stop7h 37m
$329
SeattlePeoria
SEA Seattle/Tacoma Intl - PIA Greater Peoria
SEAPIA
Seattle/Tacoma Intl
Wed 9/30
4:27 pm-12:12 pm
2 stops17h 45m
Greater Peoria
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$330
SeattlePeoria
SEA Seattle/Tacoma Intl - PIA Greater Peoria
SEAPIA
Seattle/Tacoma Intl
Thu 11/5
3:10 pm-12:03 am
1 stop6h 53m
Greater Peoria
Tue 11/24
4:43 pm-11:47 pm
1 stop9h 04m
$340
SeattlePeoria
SEA Seattle/Tacoma Intl - PIA Greater Peoria
SEAPIA
Seattle/Tacoma Intl
Sat 11/7
10:40 am-11:13 pm
2 stops10h 33m
Greater Peoria
Sun 11/8
5:35 pm-11:07 pm
1 stop7h 32m
$345
SeattlePeoria
SEA Seattle/Tacoma Intl - PIA Greater Peoria
SEAPIA
Seattle/Tacoma Intl
Fri 11/6
3:10 pm-12:03 am
1 stop6h 53m
Greater Peoria
Mon 11/9
5:37 pm-12:35 am
1 stop8h 58m
$379
SeattlePeoria
SEA Seattle/Tacoma Intl - PIA Greater Peoria
SEAPIA
Seattle/Tacoma Intl
Fri 11/6
10:56 pm-10:08 am
1 stop9h 12m
Greater Peoria
Mon 11/9
5:30 pm-11:07 pm
1 stop7h 37m
$379
SeattlePeoria
SEA Seattle/Tacoma Intl - PIA Greater Peoria
SEAPIA
Seattle/Tacoma Intl
Wed 12/23
11:59 pm-10:42 am
1 stop8h 43m
Greater Peoria
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$389
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Seattle to Peoria
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Peoria in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Peoria, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Peoria, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Peoria, Illinois flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Peoria, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Peoria, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Peoria
Have a flexible travel schedule? Discover the best time to fly to Peoria from Seattle with our price prediction graph.
SEA-PIA
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.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Peoria
What is the cheapest month to book a flight from Seattle to Peoria, Illinois?
Currently, December is the cheapest month in which you can book a flight from Seattle to Peoria, Illinois (average of $349). Flying from Seattle to Peoria, Illinois in July is currently the most expensive (average of $776). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to Peoria, Illinois?
Airfare is below average for this route at the moment.
Seattle to Peoria, Illinois flights typically cost between $371 and $504 in November.The cheapest round-trip price found within the last 5 days was $288 on American Airlines (Nov 4-Nov 10).
Reviews of airlines servicing Peoria
Get insights into the airlines that provide service to Peoria. 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 Peoria. Reviews last updated September 23, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Seattle to Peoria to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Overall
7.4
Crew
8.1
Food
6.7
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Seattle to Peoria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Seattle and Peoria flights
Browse other Seattle and Peoria flight options. Last updated on September 23, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Other flights to Peoria
Explore flights to Peoria departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Seattle to Peoria
Discover the top 2 airlines that operate flights from Seattle to Peoria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$419 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$303 | Average$469 | FlexibilityNo cancel fee | On-time69% |