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Cheap flights from Peoria, Illinois to Washington from $251

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Peoria, Illinois to Washington departing on 1/24. 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

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Find the cheapest flights from Peoria, Illinois to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:16 pm - 10:20 pm
PIA
-
SEA
7h 04m1 stop
American Airlines Logo
6:00 am - 3:50 pm
SEA
-
PIA
7h 50m1 stop
$251American Airlines
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
6:30 am - 11:32 am
PIA
-
SEA
7h 02m1 stop
United Airlines Logo
11:45 pm - 12:38 pm
SEA
-
PIA
10h 53m2 stops
$256United Airlines
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
1:24 pm - 9:15 pm
PIA
-
SEA
9h 51m2 stops
United Airlines Logo
11:45 pm - 12:38 pm
SEA
-
PIA
10h 53m2 stops
$261United Airlines
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
5:25 pm - 10:45 pm
PIA
-
SEA
7h 20m1 stop
United Airlines Logo
11:59 pm - 10:02 am
SEA
-
PIA
8h 03m1 stop
$309United Airlines
Thu, Mar 26 - Thu, Apr 2
United Airlines Logo
6:30 am - 11:48 am
PIA
-
SEA
7h 18m1 stop
United Airlines Logo
7:37 pm - 10:02 am
SEA
-
PIA
12h 25m2 stops
$314United Airlines
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
3:55 pm - 11:32 pm
PIA
-
PDX
9h 37m1 stop
American Airlines Logo
12:35 pm - 9:43 pm
PDX
-
PIA
7h 08m1 stop
$334American Airlines
Thu, Jan 15 - Thu, Jan 22
American Airlines Logo
6:50 pm - 11:30 pm
PIA
-
SEA
6h 40m1 stop
American Airlines Logo
6:44 am - 4:51 pm
SEA
-
PIA
8h 07m1 stop
$334American Airlines
Tue, Mar 10 - Sat, Mar 14
United Airlines Logo
10:45 am - 4:01 pm
PIA
-
SEA
7h 16m1 stop
United Airlines Logo
10:58 am - 9:39 pm
SEA
-
PIA
8h 41m1 stop
$341United Airlines
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
10:45 am - 9:12 pm
PIA
-
SEA
12h 27m2 stops
United Airlines Logo
10:58 am - 9:39 pm
SEA
-
PIA
8h 41m1 stop
$346United Airlines
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
8:35 am - 7:55 pm
PIA
-
SEA
13h 20m2 stops
United Airlines Logo
9:00 am - 9:39 pm
SEA
-
PIA
10h 39m2 stops
$351United Airlines
Wed, Jan 21 - Sat, Jan 24

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
Jan 24
PIA5:16 pmGreater Peoria
7h 04m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
Jan 31
SEA6:00 amSeattle/Tacoma Intl
7h 50m
1 stop
PIA3:50 pmGreater Peoria
$251
Find similar
American Airlines
Mar 10
PIA6:50 pmGreater Peoria
6h 40m
1 stop
SEA11:30 pmSeattle/Tacoma Intl
Mar 14
SEA6:44 amSeattle/Tacoma Intl
8h 07m
1 stop
PIA4:51 pmGreater Peoria
$334
Find similar
American Airlines
Apr 18
PIA3:47 pmGreater Peoria
7h 25m
1 stop
SEA9:12 pmSeattle/Tacoma Intl
Apr 25
SEA5:47 amSeattle/Tacoma Intl
6h 29m
1 stop
PIA2:16 pmGreater Peoria
$379
Find similar

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
Jan 24
PIA6:30 amGreater Peoria
7h 02m
1 stop
SEA11:32 amSeattle/Tacoma Intl
Jan 31
SEA11:45 pmSeattle/Tacoma Intl
10h 53m
2 stops
PIA12:38 pmGreater Peoria
$256
Find similar
United Airlines
Jan 24
PIA1:24 pmGreater Peoria
9h 51m
2 stops
SEA9:15 pmSeattle/Tacoma Intl
Jan 31
SEA11:45 pmSeattle/Tacoma Intl
10h 53m
2 stops
PIA12:38 pmGreater Peoria
$261
Find similar
United Airlines
Mar 26
PIA5:25 pmGreater Peoria
7h 20m
1 stop
SEA10:45 pmSeattle/Tacoma Intl
Apr 2
SEA11:59 pmSeattle/Tacoma Intl
8h 03m
1 stop
PIA10:02 amGreater Peoria
$309
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 December 27, 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 1/24

5:16 pm-10:20 pm

1 stop7h 04m

Seattle/Tacoma Intl

Sat 1/31

6:00 am-3:50 pm

1 stop7h 50m

$251

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 1/24

6:30 am-11:32 am

1 stop7h 02m

Seattle/Tacoma Intl

Sat 1/31

11:45 pm-12:38 pm

2 stops10h 53m

$256

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 1/24

1:24 pm-9:15 pm

2 stops9h 51m

Seattle/Tacoma Intl

Sat 1/31

11:45 pm-12:38 pm

2 stops10h 53m

$261

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Thu 3/26

5:25 pm-10:45 pm

1 stop7h 20m

Seattle/Tacoma Intl

Thu 4/2

11:59 pm-10:02 am

1 stop8h 03m

$309

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 4/15

6:30 am-11:48 am

1 stop7h 18m

Seattle/Tacoma Intl

Wed 4/22

7:37 pm-10:02 am

2 stops12h 25m

$314

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Thu 1/15

3:55 pm-11:32 pm

1 stop9h 37m

Portland

Thu 1/22

12:35 pm-9:43 pm

1 stop7h 08m

$334

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Tue 3/10

6:50 pm-11:30 pm

1 stop6h 40m

Seattle/Tacoma Intl

Sat 3/14

6:44 am-4:51 pm

1 stop8h 07m

$334

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 1/21

10:45 am-4:01 pm

1 stop7h 16m

Seattle/Tacoma Intl

Sat 1/24

10:58 am-9:39 pm

1 stop8h 41m

$341

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 1/21

10:45 am-9:12 pm

2 stops12h 27m

Seattle/Tacoma Intl

Sat 1/24

10:58 am-9:39 pm

1 stop8h 41m

$346

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 1/21

8:35 am-7:55 pm

2 stops13h 20m

Seattle/Tacoma Intl

Sat 1/24

9:00 am-9:39 pm

2 stops10h 39m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 $289. If you aren’t able to travel to State of Washington during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $313.

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 12% 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

Fastest flight time

6h 11m

Direct flights

None
The fastest flight from Peoria, Illinois to State of Washington takes 6h 11m
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
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,068 reviews
Search American 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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