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Cheap flights from Illinois to Washington from $68

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — SEA
Apr 30 — May 71
From?
To?
Tue 4/30
Tue 5/7
1 adult, Economy
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How far in advance should I book a flight from Illinois to State of Washington?

To save up to 90% on this flight, we recommend booking at least 60 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Illinois to State of Washington from $326 1-2 weeks out and tickets from $619 for flights departing within the next 72 hours.

What is the cheapest month to fly from Illinois to State of Washington?

January can be a great time to fly to State of Washington from Illinois with a flight ticket averaging about $292. Cheapflights users have found deals in the month of January for as cheap as $99. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from Illinois to State of Washington (IL - WA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to State of Washington as you normally would.

Cheap American Airlines flights from Illinois to Washington

Explore cheap flight options specifically provided by American Airlines for the route between Illinois and Washington. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Find some of the cheapest American Airlines flights traveling from Illinois to Washington. Deals update often to give you more flight options matching your criteria
Wed 9/186:25 pmORD - SEA
Nonstop4h 46mAmerican Airlines
Tue 9/246:36 amSEA - ORD
Nonstop4h 04mAmerican Airlines
Deal found 4/24$170
Wed 10/22:38 pmSTL - SEA
1 stop10h 12mAmerican Airlines
Tue 10/811:59 pmSEA - STL
1 stop8h 05mAmerican Airlines
Deal found 4/24$195
Wed 10/211:08 amSTL - SEA
1 stop9h 54mAmerican Airlines
Sat 10/55:43 amSEA - STL
1 stop6h 25mAmerican Airlines
Deal found 4/24$196
Wed 5/83:20 pmORD - SEA
1 stop9h 21mAmerican Airlines
Wed 5/1511:59 pmSEA - ORD
Nonstop4h 12mAmerican Airlines
Deal found 4/24$216
Tue 10/18:20 amORD - SEA
Nonstop4h 33mAmerican Airlines
Mon 10/710:32 pmSEA - ORD
1 stop7h 45mAmerican Airlines
Deal found 4/24$217
Sat 5/45:20 amSTL - SEA
1 stop7h 46mAmerican Airlines
Sat 5/1111:43 pmSEA - STL
1 stop8h 10mAmerican Airlines
Deal found 4/24$239
Wed 5/16:30 pmORD - SEA
Nonstop4h 56mAmerican Airlines
Wed 5/1511:59 pmSEA - ORD
Nonstop4h 12mAmerican Airlines
Deal found 4/24$255
Wed 5/15:00 pmORD - SEA
1 stop8h 59mAmerican Airlines
Wed 5/1511:59 pmSEA - ORD
Nonstop4h 12mAmerican Airlines
Deal found 4/24$264
Thu 5/25:30 amORD - SEA
1 stop9h 08mAmerican Airlines
Wed 5/811:59 pmSEA - ORD
Nonstop4h 12mAmerican Airlines
Deal found 4/24$292

Cheap Alaska Airlines flights from Illinois to Washington

Explore cheap flight options specifically provided by Alaska Airlines for the route between Illinois and Washington. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Have a look at some of the cheapest available Alaska Airlines flights departing from Illinois and landing in Washington. Deals are refreshing constantly so come back soon for more options.
Wed 5/295:28 pmORD - SEA
Nonstop4h 31mAlaska Airlines
Wed 5/2911:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 4/24$133
Wed 5/296:00 amORD - SEA
Nonstop4h 27mAlaska Airlines
Sat 6/110:49 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 4/24$139
Sat 5/252:54 pmORD - SEA
1 stop6h 27mAlaska Airlines
Sat 6/110:49 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 4/24$162
Sat 8/319:07 pmORD - SEA
Nonstop4h 34mAlaska Airlines
Wed 11/139:45 pmSEA - ORD
1 stop5h 48mAlaska Airlines
Deal found 4/24$168
Wed 5/295:28 pmORD - SEA
Nonstop4h 31mAlaska Airlines
Sun 6/211:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 4/24$169
Tue 5/142:53 pmORD - SEA
1 stop6h 14mAlaska Airlines
Wed 5/222:20 pmSEA - ORD
Nonstop4h 04mAlaska Airlines
Deal found 4/24$178
Fri 6/77:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Sat 6/85:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 4/24$257
Sat 6/87:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Mon 6/107:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
Deal found 4/24$277
Thu 5/307:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Mon 6/35:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 4/23$297

Cheap Illinois to Washington flights in April & May 2024

Find cheap flight options from Illinois to Washington specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,701 searches. Prices were last updated on April 25, 2024.
These are some of the best deals we've found on flights to Washington in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Thu 5/167:23 pmSTL - SEA
1 stop26h 41mMultiple Airlines
Tue 5/219:40 pmSEA - STL
1 stop11h 06mMultiple Airlines
Deal found 4/25$113
Wed 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Mon 5/139:55 amSEA - STL
1 stop9h 08mFrontier
Deal found 4/24$115
Thu 5/910:59 pmSTL - SEA
1 stop22h 31mFrontier
Mon 5/139:00 pmSEA - STL
1 stop11h 09mFrontier
Deal found 4/25$117
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mMultiple Airlines
Tue 5/149:40 pmSEA - STL
1 stop11h 06mMultiple Airlines
Deal found 4/25$123
Tue 5/1410:34 pmMDW - SEA
1 stop12h 21mFrontier
Fri 5/1710:24 pmSEA - MDW
1 stop20h 42mFrontier
Deal found 4/24$127
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mFrontier
Mon 5/139:00 pmSEA - STL
1 stop22h 59mFrontier
Deal found 4/24$127
Fri 5/109:16 pmMDW - SEA
1 stop14h 04mFrontier
Sat 5/119:32 pmSEA - MDW
1 stop8h 59mFrontier
Deal found 4/24$128
Mon 5/69:53 pmSTL - SEA
1 stop13h 51mFrontier
Wed 5/89:55 amSEA - STL
1 stop8h 44mFrontier
Deal found 4/23$128
Thu 5/167:23 pmSTL - SEA
1 stop26h 41mFrontier
Sun 5/198:04 amSEA - STL
1 stop12h 28mFrontier
Deal found 4/24$129

Illinois to Washington 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Washington in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
These are some of the best deals we've found on flights to Washington in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Thu 5/167:23 pmSTL - SEA
1 stop26h 41mMultiple Airlines
Tue 5/219:40 pmSEA - STL
1 stop11h 06mMultiple Airlines
Deal found 4/25$113
Wed 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Mon 5/139:55 amSEA - STL
1 stop9h 08mFrontier
Deal found 4/24$115
Thu 5/910:59 pmSTL - SEA
1 stop22h 31mFrontier
Mon 5/139:00 pmSEA - STL
1 stop11h 09mFrontier
Deal found 4/25$117
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mMultiple Airlines
Tue 5/149:40 pmSEA - STL
1 stop11h 06mMultiple Airlines
Deal found 4/25$123
Tue 5/1410:34 pmMDW - SEA
1 stop12h 21mFrontier
Fri 5/1710:24 pmSEA - MDW
1 stop20h 42mFrontier
Deal found 4/24$127
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mFrontier
Mon 5/139:00 pmSEA - STL
1 stop22h 59mFrontier
Deal found 4/24$127
Fri 5/109:16 pmMDW - SEA
1 stop14h 04mFrontier
Sat 5/119:32 pmSEA - MDW
1 stop8h 59mFrontier
Deal found 4/24$128
Mon 5/69:53 pmSTL - SEA
1 stop13h 51mFrontier
Wed 5/89:55 amSEA - STL
1 stop8h 44mFrontier
Deal found 4/23$128
Thu 5/167:23 pmSTL - SEA
1 stop26h 41mFrontier
Sun 5/198:04 amSEA - STL
1 stop12h 28mFrontier
Deal found 4/24$129

Non-stop flights to Washington from Illinois

Discover non-stop flight options from Illinois to Washington. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
For a shorter flight, select one of these non-stop flights from Illinois to Washington. Users seeking other options on flights from Illinois to Washington should update the search form at the top of the page.
Wed 5/295:28 pmORD - SEA
Nonstop4h 31mAlaska Airlines
Wed 5/2911:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 4/24$133
Wed 5/296:00 amORD - SEA
Nonstop4h 27mAlaska Airlines
Sat 6/110:49 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 4/24$139
Wed 5/295:28 pmORD - SEA
Nonstop4h 31mAlaska Airlines
Sun 6/211:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 4/24$169
Tue 5/286:00 amORD - SEA
Nonstop4h 27mAlaska Airlines
Tue 5/2812:14 pmSEA - ORD
Nonstop4h 15mAlaska Airlines
Deal found 4/24$193
Tue 6/49:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Sat 6/1510:45 pmSEA - ORD
Nonstop3h 55mAlaska Airlines
Deal found 4/24$199
Thu 5/167:45 pmORD - SEA
Nonstop4h 42mUnited Airlines
Sat 5/255:48 pmSEA - ORD
Nonstop4h 00mUnited Airlines
Deal found 4/24$204
Sat 5/116:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Tue 5/2111:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
Deal found 4/24$208
Thu 5/167:45 pmORD - SEA
Nonstop4h 42mUnited Airlines
Sat 5/1811:45 pmSEA - ORD
Nonstop3h 58mUnited Airlines
Deal found 4/24$211
Thu 5/167:45 pmORD - SEA
Nonstop4h 42mUnited Airlines
Sat 5/1811:45 pmSEA - ORD
Nonstop3h 58mUnited Airlines
Deal found 4/25$224

Illinois to Washington flights leaving soon

Find last-minute flight options from Illinois to Washington for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
Have a look at some of the last-minute flights available departing from Illinois to Washington. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Wed 5/17:51 pmSTL - SEA
1 stop22h 40mFrontier
Wed 5/89:55 amSEA - STL
1 stop8h 44mFrontier
Deal found 4/24$149
Sat 5/410:30 amMDW - SEA
1 stop12h 02mFrontier
Fri 5/108:30 pmSEA - MDW
1 stop13h 06mFrontier
Deal found 4/24$166
Thu 5/29:19 pmMDW - SEA
1 stop13h 21mFrontier
Tue 5/149:35 pmSEA - MDW
1 stop12h 03mFrontier
Deal found 4/23$167
Thu 5/26:27 pmORD - SEA
1 stop29h 07mFrontier
Sat 5/42:55 pmSEA - ORD
1 stop8h 01mFrontier
Deal found 4/24$180
Fri 5/36:27 pmORD - SEA
1 stop28h 05mFrontier
Fri 5/1010:34 pmSEA - ORD
1 stop24h 22mFrontier
Deal found 4/24$188
Tue 4/3010:34 pmMDW - SEA
1 stop12h 21mFrontier
Sat 5/49:32 pmSEA - MDW
1 stop8h 59mFrontier
Deal found 4/24$189
Thu 5/26:27 pmORD - SEA
1 stop29h 07mFrontier
Tue 5/149:35 pmSEA - ORD
1 stop25h 21mFrontier
Deal found 4/23$189
Thu 5/210:59 pmSTL - SEA
1 stop22h 31mFrontier
Mon 5/69:00 pmSEA - STL
1 stop11h 18mFrontier
Deal found 4/24$189
Wed 5/110:59 pmMDW - SEA
1 stop19h 32mFrontier
Wed 5/159:50 pmSEA - MDW
1 stop21h 37mFrontier
Deal found 4/24$190

One-way flights to Washington from Illinois

Search for one-way flight options from Illinois to Washington. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.
If you're seeking multiple options on one-way flights from Illinois to Washington, be sure to check out these deals, which are updated often. Users in need of a round-trip flight from Illinois to Washington instead should update the search form at the top of page.
Tue 6/47:00 amORD - SEA
2 stops27h 38mSpirit Airlines
Deal found 4/24$68
Tue 5/218:00 amORD - SEA
1 stop25h 04mFrontier
Deal found 4/24$69
Wed 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Deal found 4/24$69
Wed 6/59:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 4/25$70
Wed 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Deal found 4/25$70
Tue 5/2810:52 pmORD - SEA
1 stop11h 53mSpirit Airlines
Deal found 4/25$74
Fri 5/109:16 pmMDW - SEA
1 stop14h 04mFrontier
Deal found 4/24$75
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mFrontier
Deal found 4/25$75
Tue 6/410:52 pmORD - SEA
1 stop11h 46mSpirit Airlines
Deal found 4/24$77

Find flights from Illinois to Washington within your budget

Customize your flight search to find flights from Illinois to 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, Cheapflights users made 3,068,701 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$115 - $221

Route

Depart

Return

Price

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Wed 5/8

1 stop22h 40m

Seattle/Tacoma Intl

Mon 5/13

1 stop9h 08m

$115

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Thu 5/9

1 stop22h 31m

Seattle/Tacoma Intl

Mon 5/13

1 stop22h 59m

$117

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 5/29

Nonstop4h 31m

Seattle/Tacoma Intl

Wed 5/29

Nonstop4h 06m

$133

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 5/7

1 stop13h 11m

Seattle/Tacoma Intl

Sat 5/11

1 stop8h 01m

$142

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 5/7

1 stop13h 11m

Seattle/Tacoma Intl

Tue 5/14

1 stop6h 50m

$154

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 9/18

Nonstop4h 46m

Seattle/Tacoma Intl

Tue 9/24

Nonstop4h 04m

$170

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 5/16

1 stop6h 47m

Seattle/Tacoma Intl

Sat 5/18

Nonstop3h 58m

$213

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Thu 10/3

1 stop7h 00m

Seattle/Tacoma Intl

Sat 10/5

1 stop6h 00m

$216

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 5/31

1 stop13h 30m

Seattle/Tacoma Intl

Mon 6/3

1 stop6h 28m

$221

Flights are sorted by cheapest first

Deals found on 4/24

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated April 25, 2024.
Peruse reviews from past customers who have flown with American Airlines, Alaska Airlines and Frontier from Illinois to Washington to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Alaska Airlines
8.1
Very good
9,110 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Delta
8.1
Very good
10,975 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

WestJet
7.5
Good
2,985 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

United Airlines
7.4
Good
11,255 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

American Airlines
7.3
Good
14,898 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Illinois to State of Washington for under $200 on Cheapflights?

    Yes, there are multiple flights from Illinois to State of Washington for under $200. The cheapest flight booked recently is on Frontier for just $115, but on average you can expect to pay $134.

  • Are there nonstop flights from Illinois to State of Washington for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Illinois to State of Washington under $200. A good price for a nonstop flight from Illinois to State of Washington is less than $215.

  • Are there last-minute flights available from Illinois to State of Washington for under $200?

    There are currently 20+ open flights from Illinois to State of Washington within the next 7 days for less than $200.

  • What days are nonstop flights available from Illinois to State of Washington?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from Illinois to State of Washington on average per day?

    Travelers can expect 36 flights from Illinois to State of Washington on average per day.
    Early Morning (Midnight to 6am) - 17% of flight departures
    Morning (6am - Noon) - 6% of flight departures
    Afternoon (Noon - 6pm) - 36% of flight departures
    Evening (6pm - Midnight) - 42% of flight departures

  • How long is the flight from Illinois to State of Washington?

    Airlines like Frontier and Alaska Airlines fly from Illinois to State of Washington in about 4h 31m. The time it takes to get you to your destination can typically vary by up to 18h 09m. Illinois and State of Washington are separated by a distance of 1725 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to State of Washington one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $68. Frontier flights start at $69 while deals on Alaska Airlines start at $70 one-way.

  • What does ORD to SEA mean?

    Chicago O'Hare Intl Airport is ORD and Seattle/Tacoma Intl Airport is SEA. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Spokane Airport (GEG), Pasco Tri Cities Airport (PSC), Bellingham Airport (BLI), Everett Paine Field Airport (PAE), Seattle Lake Union Spb Airport (LKE).

  • Can I find deals for flights from Illinois to Washington that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Washington flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Washington with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Washington flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Illinois to Washington that include hotel bookings?

    Yes. In addition to deals on Illinois to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Washington.

  • Can I find deals for business class flights from Illinois to Washington?

    Yes. Cheapflights offers flight deals from Illinois to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Illinois to Washington that allow pets onboard?

    Many airlines flying from Illinois to Washington offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Washington?

    Yes, you can often find last-minute deals on Illinois to Washington flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to State of Washington flight deals updated?

    The Illinois to State of Washington flight deals you see on this page were last updated on 4/25.

See more FAQs

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Alternative routes for Illinois to Washington
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from Illinois to Washington

Discover the top 6 airlines that operate flights from Illinois to Washington. 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 3,068,701 searches. Data last updated April 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$89Average$561FlexibilityNo cancel feeOn-time75%
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DeltaCheapest$99Average$431FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapest$109Average$562FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$114Average$545FlexibilityNo cancel feeOn-time69%
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FrontierCheapest$123Average$260FlexibilityNo cancel feeOn-time62%
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Spirit AirlinesCheapest$143Average$319FlexibilityNo cancel feeOn-time65%
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Search flights from Illinois to Washington by cabin class

Find flights from Illinois to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Illinois to Washington

Find hourly flight availability from Illinois to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2024.
5%of flight departuresEarly morningMidnight to 6 am
10%of flight departuresMorning6 am to noon
63%of flight departuresAfternoonNoon to 6 pm
22%of flight departuresEvening6 pm to midnight
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Fly with Cheapflights

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How does Cheapflights help users find flights from Illinois to Washington?

Deals for Illinois to Washington flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Washington?

Cheapflights helps you find that perfect flight to Washington from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Illinois to Washington with no change fees?

Need flexible booking options for your flight to Washington from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Washington become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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