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Cheap flights from Peoria, Illinois to Washington from $126

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 Washington departing on 10/18. 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 Peoria, Illinois to Washington

Cheap round-trip flights

United Airlines Logo
10:48 am - 3:45 pmPIA-SEA
6h 57m1 stop
United Airlines Logo
1:57 pm - 10:15 pmSEA-PIA
6h 18m1 stop
$251United Airlines
Find Deal
Sat, Oct 18 - Wed, Oct 22
United Airlines Logo
6:55 am - 11:31 amPIA-SEA
6h 36m1 stop
United Airlines Logo
8:30 am - 10:15 pmSEA-PIA
11h 45m2 stops
$256United Airlines
Find Deal
Sat, Oct 18 - Wed, Oct 22
United Airlines Logo
8:43 am - 6:25 pmPIA-SEA
11h 42m2 stops
United Airlines Logo
11:50 pm - 12:39 pmSEA-PIA
10h 49m2 stops
$261United Airlines
Find Deal
Wed, Oct 29 - Wed, Oct 29
United Airlines Logo
5:20 pm - 10:30 pmPIA-SEA
7h 10m1 stop
United Airlines Logo
11:59 pm - 10:16 amSEA-PIA
8h 17m1 stop
$270United Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
United Airlines Logo
5:20 pm - 10:30 pmPIA-SEA
7h 10m1 stop
United Airlines Logo
11:35 pm - 12:39 pmSEA-PIA
11h 04m2 stops
$275United Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
American Airlines Logo
1:20 pm - 9:23 pmPIA-PDX
10h 03m1 stop
American Airlines Logo
2:07 pm - 11:06 pmPDX-PIA
6h 59m1 stop
$289American Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
American Airlines Logo
4:23 pm - 12:58 amPIA-SEA
10h 35m1 stop
American Airlines Logo
12:59 am - 9:55 amSEA-PIA
6h 56m1 stop
$314American Airlines
Find Deal
Thu, Nov 6 - Sat, Nov 8
American Airlines Logo
7:00 am - 2:46 pmPIA-SEA
9h 46m1 stop
American Airlines Logo
11:24 pm - 10:46 amSEA-PIA
9h 22m1 stop
$335American Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
American Airlines Logo
5:05 pm - 11:07 pmPIA-SEA
8h 02m1 stop
American Airlines Logo
1:35 am - 10:17 amSEA-PIA
6h 42m1 stop
$341American Airlines
Find Deal
Sat, Feb 28 - Mon, Mar 2
Multiple Airlines Logo
11:59 am - 12:07 pmPIA-SEA
26h 08m1 stop
Multiple Airlines Logo
1:02 pm - 3:45 pmSEA-PIA
24h 43m2 stops
$345Multiple Airlines
Find Deal
Mon, Oct 20 - Thu, Oct 23

United Airlines flights from Peoria, Illinois to State of Washington

Our best United Airlines deals on Peoria, Illinois to State of Washington flight tickets
United Airlines
Oct 18
PIA10:48 amGreater Peoria
6h 57m
1 stop
SEA3:45 pmSeattle/Tacoma Intl
Oct 22
SEA1:57 pmSeattle/Tacoma Intl
6h 18m
1 stop
PIA10:15 pmGreater Peoria
$251
Find similar
United Airlines
Oct 18
PIA6:55 amGreater Peoria
6h 36m
1 stop
SEA11:31 amSeattle/Tacoma Intl
Oct 22
SEA8:30 amSeattle/Tacoma Intl
11h 45m
2 stops
PIA10:15 pmGreater Peoria
$256
Find similar
United Airlines
Oct 29
PIA8:43 amGreater Peoria
11h 42m
2 stops
SEA6:25 pmSeattle/Tacoma Intl
Oct 29
SEA11:50 pmSeattle/Tacoma Intl
10h 49m
2 stops
PIA12:39 pmGreater Peoria
$261
Find similar

American Airlines flights from Peoria, Illinois to State of Washington

Our best American Airlines deals on Peoria, Illinois to State of Washington flight tickets
American Airlines
Nov 8
PIA1:20 pmGreater Peoria
10h 03m
1 stop
PDX9:23 pmPortland
Nov 15
PDX2:07 pmPortland
6h 59m
1 stop
PIA11:06 pmGreater Peoria
$289
Find similar
American Airlines
Nov 6
PIA4:23 pmGreater Peoria
10h 35m
1 stop
SEA12:58 amSeattle/Tacoma Intl
Nov 8
SEA12:59 amSeattle/Tacoma Intl
6h 56m
1 stop
PIA9:55 amGreater Peoria
$314
Find similar
American Airlines
Oct 21
PIA7:00 amGreater Peoria
9h 46m
1 stop
SEA2:46 pmSeattle/Tacoma Intl
Oct 25
SEA11:24 pmSeattle/Tacoma Intl
9h 22m
1 stop
PIA10:46 amGreater Peoria
$335
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Peoria, Illinois to State of Washington 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 September 25, 2025.
Use the filters below to find and compare flights from Peoria, Illinois to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 10/18

10:48 am-3:45 pm

1 stop6h 57m

Seattle/Tacoma Intl

Wed 10/22

1:57 pm-10:15 pm

1 stop6h 18m

$251

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 10/18

6:55 am-11:31 am

1 stop6h 36m

Seattle/Tacoma Intl

Wed 10/22

8:30 am-10:15 pm

2 stops11h 45m

$256

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 10/29

8:43 am-6:25 pm

2 stops11h 42m

Seattle/Tacoma Intl

Wed 10/29

11:50 pm-12:39 pm

2 stops10h 49m

$261

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Thu 10/23

5:20 pm-10:30 pm

1 stop7h 10m

Seattle/Tacoma Intl

Tue 10/28

11:59 pm-10:16 am

1 stop8h 17m

$270

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Thu 10/23

5:20 pm-10:30 pm

1 stop7h 10m

Seattle/Tacoma Intl

Tue 10/28

11:35 pm-12:39 pm

2 stops11h 04m

$275

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Sat 11/8

1:20 pm-9:23 pm

1 stop10h 03m

Portland

Sat 11/15

2:07 pm-11:06 pm

1 stop6h 59m

$289

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Thu 11/6

4:23 pm-12:58 am

1 stop10h 35m

Seattle/Tacoma Intl

Sat 11/8

12:59 am-9:55 am

1 stop6h 56m

$314

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Tue 10/21

7:00 am-2:46 pm

1 stop9h 46m

Seattle/Tacoma Intl

Sat 10/25

11:24 pm-10:46 am

1 stop9h 22m

$335

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 2/28

5:05 pm-11:07 pm

1 stop8h 02m

Seattle/Tacoma Intl

Mon 3/2

1:35 am-10:17 am

1 stop6h 42m

$341

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Mon 10/20

11:59 am-12:07 pm

1 stop26h 08m

Seattle/Tacoma Intl

Thu 10/23

1:02 pm-3:45 pm

2 stops24h 43m

$345

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 Washington from

How to get the cheapest flight ticket from Peoria, Illinois to State of Washington

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 State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from Peoria, Illinois, with most prices found around $342. If you aren’t able to travel to State of Washington during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $411.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Peoria, Illinois to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $547. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Peoria, Illinois to State of Washington for around $652.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $525. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $628 on average. Flights to State of Washington from Peoria, Illinois in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Peoria, Illinois to State of Washington flights?

You could potentially save up to 28% on your flight if you consider stops on a Peoria, Illinois to State of Washington flight.

Cheap Peoria, Illinois to State of Washington flight deals and tips

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

Direct flights

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

  • When did momondo last update prices for flights from Greater Peoria Airport to Washington?

    Prices for flights from Greater Peoria Airport to Washington were last updated today.

  • How many operators does momondo search for flights from Greater Peoria Airport to Washington?

  • How old do you have to be to fly from Greater Peoria Airport to Washington?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Greater Peoria Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Peoria, Illinois to State of Washington

Compare and see reviews for airlines that fly from Peoria, Illinois to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights

Why use momondo?

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

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

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

Flights from Peoria to Washington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Peoria and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Peoria to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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