Cheap flights from Illinois to Washington from $59

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 4/20. 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
avr. 2 — avr. 91

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 Frontier flights from Illinois to Washington

Explore cheap flight options specifically provided by Frontier 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 3,228,805 searches. Data last updated mars 28, 2024.
Find some of the cheapest Frontier flights traveling from Illinois to Washington. Deals update often to give you more flight options matching your criteria
sam. 4/2010:30 amMDW - SEA
1 stop11h 36mFrontier
ven. 4/2610:34 pmSEA - MDW
1 stop16h 04mFrontier
Deal found 3/28$147
sam. 4/2710:30 amMDW - SEA
1 stop12h 02mFrontier
sam. 5/49:32 pmSEA - MDW
1 stop8h 59mFrontier
Deal found 3/28$151
sam. 4/2710:30 amMDW - SEA
1 stop12h 02mFrontier
mar. 4/3010:44 amSEA - MDW
1 stop9h 00mFrontier
Deal found 3/27$152
mer. 4/175:30 amMDW - SEA
1 stop13h 28mFrontier
ven. 4/199:40 amSEA - MDW
1 stop8h 46mFrontier
Deal found 3/27$163
mer. 5/18:04 pmSTL - SEA
2 stops22h 27mFrontier
mar. 5/79:35 pmSEA - STL
1 stop10h 12mFrontier
Deal found 3/28$172
lun. 5/139:55 pmMDW - SEA
1 stop13h 49mFrontier
lun. 5/209:41 pmSEA - MDW
1 stop14h 08mFrontier
Deal found 3/26$174
mar. 4/165:30 amMDW - SEA
1 stop17h 05mFrontier
jeu. 4/1810:09 pmSEA - MDW
1 stop11h 29mFrontier
Deal found 3/27$175
sam. 4/2010:30 amMDW - SEA
1 stop11h 36mFrontier
ven. 4/268:30 pmSEA - MDW
1 stop13h 06mFrontier
Deal found 3/27$178
sam. 4/2010:30 amMDW - SEA
1 stop11h 36mFrontier
ven. 4/268:30 pmSEA - MDW
1 stop13h 06mFrontier
Deal found 3/26$179

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 3,228,805 searches. Data last updated mars 28, 2024.
Have a look at some of the cheapest available American Airlines flights departing from Illinois and landing in Washington. Deals are refreshing constantly so come back soon for more options.
mer. 4/1712:20 pmORD - SEA
1 stop8h 44mAmerican Airlines
dim. 4/2110:54 pmSEA - ORD
Nonstop4h 11mAmerican Airlines
Deal found 3/27$176
mer. 4/246:30 pmORD - SEA
Nonstop4h 56mAmerican Airlines
dim. 4/2811:30 pmSEA - ORD
1 stop7h 03mAmerican Airlines
Deal found 3/28$188
sam. 4/203:23 pmORD - SEA
1 stop8h 47mAmerican Airlines
ven. 4/2610:54 pmSEA - ORD
Nonstop4h 11mAmerican Airlines
Deal found 3/27$216
sam. 4/203:23 pmORD - SEA
1 stop8h 47mAmerican Airlines
lun. 4/2210:54 pmSEA - ORD
Nonstop4h 11mAmerican Airlines
Deal found 3/28$217
sam. 9/148:15 pmORD - SEA
Nonstop4h 30mAmerican Airlines
sam. 9/215:43 amSEA - ORD
1 stop7h 44mAmerican Airlines
Deal found 3/27$242
jeu. 4/45:15 amSTL - SEA
1 stop9h 23mAmerican Airlines
jeu. 4/1111:30 pmSEA - STL
1 stop7h 20mAmerican Airlines
Deal found 3/28$271
sam. 4/612:20 pmORD - SEA
1 stop8h 44mAmerican Airlines
sam. 4/131:32 pmSEA - ORD
Nonstop4h 08mAmerican Airlines
Deal found 3/27$292
mer. 4/35:15 amSTL - SEA
1 stop9h 23mAmerican Airlines
lun. 4/89:44 pmSEA - STL
1 stop10h 29mAmerican Airlines
Deal found 3/28$305
ven. 4/511:07 amSTL - SEA
1 stop9h 57mAmerican Airlines
mar. 4/912:25 amSEA - STL
1 stop6h 25mAmerican Airlines
Deal found 3/28$306

Cheap Illinois to Washington flights in March & April 2024

Find cheap flight options from Illinois to Washington specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,228,805 searches. Prices were last updated on mars 28, 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.
sam. 4/206:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
ven. 4/2612:12 pmSEA - ORD
Nonstop4h 11mAlaska Airlines
Deal found 3/27$111
jeu. 4/256:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
sam. 4/2711:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
Deal found 3/27$117
ven. 4/195:46 pmORD - SEA
Nonstop4h 37mAlaska Airlines
mar. 5/286:01 amSEA - ORD
Nonstop4h 12mAlaska Airlines
Deal found 3/27$128
mar. 4/306:00 amORD - SEA
Nonstop4h 34mUndisclosed Carrier
mar. 5/711:46 pmSEA - ORD
Nonstop3h 59mUndisclosed Carrier
Deal found 3/28$135
sam. 4/206:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
ven. 4/266:00 pmSEA - ORD
Nonstop3h 58mAlaska Airlines
Deal found 3/28$138
mar. 4/236:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
mar. 4/3011:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
Deal found 3/28$139
mer. 4/248:03 pmORD - SEA
Nonstop4h 42mUnited Airlines
mer. 5/111:55 pmSEA - ORD
Nonstop4h 00mUnited Airlines
Deal found 3/27$148
ven. 4/268:08 pmORD - SEA
Nonstop4h 42mUnited Airlines
ven. 5/311:45 pmSEA - ORD
Nonstop3h 58mUnited Airlines
Deal found 3/27$150
sam. 4/2710:30 amMDW - SEA
1 stop12h 02mFrontier
mar. 4/3010:44 amSEA - MDW
1 stop9h 00mFrontier
Deal found 3/27$152

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 3,228,805 searches. Data last updated mars 28, 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.
sam. 4/206:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
ven. 4/2612:12 pmSEA - ORD
Nonstop4h 11mAlaska Airlines
Deal found 3/27$111
mer. 5/16:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
dim. 5/511:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
Deal found 3/27$117
ven. 4/195:46 pmORD - SEA
Nonstop4h 37mAlaska Airlines
mar. 5/286:01 amSEA - ORD
Nonstop4h 12mAlaska Airlines
Deal found 3/27$128
mar. 4/306:00 amORD - SEA
Nonstop4h 34mUndisclosed Carrier
mar. 5/711:46 pmSEA - ORD
Nonstop3h 59mUndisclosed Carrier
Deal found 3/28$135
sam. 4/206:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
ven. 4/266:00 pmSEA - ORD
Nonstop3h 58mAlaska Airlines
Deal found 3/28$138
mer. 9/189:07 pmORD - SEA
Nonstop4h 34mAlaska Airlines
mar. 9/2410:47 pmSEA - ORD
Nonstop3h 53mAlaska Airlines
Deal found 3/27$139
mer. 9/117:10 amORD - SEA
Nonstop4h 33mUnited Airlines
mar. 9/172:00 pmSEA - ORD
1 stop8h 45mUnited Airlines
Deal found 3/27$144
mer. 4/248:03 pmORD - SEA
Nonstop4h 42mUnited Airlines
mer. 5/111:55 pmSEA - ORD
Nonstop4h 00mUnited Airlines
Deal found 3/27$148
mar. 10/226:50 pmORD - SEA
Nonstop4h 47mDelta
sam. 10/267:20 amSEA - ORD
Nonstop3h 58mDelta
Deal found 3/27$149

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 3,228,805 searches. Data last updated mars 28, 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.
sam. 4/206:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
ven. 4/2612:12 pmSEA - ORD
Nonstop4h 11mAlaska Airlines
Deal found 3/27$111
mer. 5/16:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
sam. 5/45:58 pmSEA - ORD
Nonstop4h 00mAlaska Airlines
Deal found 3/27$117
ven. 4/195:46 pmORD - SEA
Nonstop4h 37mAlaska Airlines
mar. 5/286:01 amSEA - ORD
Nonstop4h 12mAlaska Airlines
Deal found 3/27$128
mar. 4/306:00 amORD - SEA
Nonstop4h 34mUndisclosed Carrier
mar. 5/711:46 pmSEA - ORD
Nonstop3h 59mUndisclosed Carrier
Deal found 3/28$135
sam. 4/206:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
ven. 4/266:00 pmSEA - ORD
Nonstop3h 58mAlaska Airlines
Deal found 3/28$138
mar. 4/236:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
mar. 4/3011:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
Deal found 3/28$139
mer. 4/248:03 pmORD - SEA
Nonstop4h 42mUnited Airlines
mer. 5/111:55 pmSEA - ORD
Nonstop4h 00mUnited Airlines
Deal found 3/27$148
ven. 4/268:08 pmORD - SEA
Nonstop4h 42mUnited Airlines
ven. 5/311:45 pmSEA - ORD
Nonstop3h 58mUnited Airlines
Deal found 3/27$150
sam. 4/278:03 pmORD - SEA
Nonstop4h 42mUnited Airlines
sam. 5/44:41 pmSEA - ORD
Nonstop3h 58mUnited Airlines
Deal found 3/28$152

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 3,228,805 searches. Data last updated mars 28, 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.
mer. 4/310:59 pmMDW - SEA
1 stop12h 03mFrontier
mar. 4/910:12 pmSEA - MDW
1 stop11h 26mFrontier
Deal found 3/27$188
mer. 4/37:37 pmSTL - SEA
1 stop15h 14mMultiple Airlines
mar. 4/910:12 pmSEA - STL
1 stop9h 35mMultiple Airlines
Deal found 3/27$190
mer. 4/37:37 pmSTL - SEA
1 stop15h 14mMultiple Airlines
jeu. 4/119:19 pmSEA - STL
1 stop14h 39mMultiple Airlines
Deal found 3/27$204
dim. 4/77:37 pmSTL - SEA
1 stop15h 14mMultiple Airlines
mar. 4/910:12 pmSEA - STL
1 stop9h 35mMultiple Airlines
Deal found 3/28$212
mer. 4/37:37 pmSTL - SEA
1 stop15h 14mMultiple Airlines
ven. 4/1210:34 pmSEA - STL
1 stop9h 13mMultiple Airlines
Deal found 3/27$217
mer. 4/37:37 pmSTL - SEA
1 stop15h 14mMultiple Airlines
sam. 4/139:32 pmSEA - STL
1 stop14h 57mMultiple Airlines
Deal found 3/27$224
mer. 4/37:37 pmSTL - SEA
1 stop15h 14mMultiple Airlines
mer. 4/109:19 pmSEA - STL
1 stop10h 59mMultiple Airlines
Deal found 3/27$226
mer. 4/310:59 pmMDW - SEA
1 stop12h 03mFrontier
mer. 4/106:33 pmSEA - MDW
1 stop12h 03mFrontier
Deal found 3/27$227
mar. 4/27:37 pmSTL - SEA
1 stop24h 33mFrontier
ven. 5/310:34 pmSEA - STL
1 stop9h 13mFrontier
Deal found 3/27$229

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 3,228,805 searches. Data last updated mars 28, 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.
sam. 4/206:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/27$59
jeu. 4/256:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/26$61
mar. 4/2312:29 pmORD - SEA
1 stop22h 26mFrontier
Deal found 3/26$68
mar. 4/2312:29 pmORD - SEA
1 stop22h 26mFrontier
Deal found 3/28$69
mar. 6/119:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 3/27$70
sam. 4/2010:30 amMDW - SEA
1 stop11h 36mFrontier
Deal found 3/28$71
mar. 4/166:27 pmORD - SEA
1 stop24h 31mFrontier
Deal found 3/27$73
mer. 4/175:30 amMDW - SEA
1 stop13h 28mFrontier
Deal found 3/28$74
mar. 4/166:27 pmORD - SEA
1 stop24h 31mFrontier
Deal found 3/28$74

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 3,228,805 searches. Data last updated mars 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$111 - $211

Route

Depart

Return

Price

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

sam. 4/20

Nonstop4h 34m

Seattle/Tacoma Intl

ven. 4/26

Nonstop4h 11m

$111

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mer. 5/1

Nonstop4h 45m

Seattle/Tacoma Intl

sam. 5/4

Nonstop3h 58m

$117

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

ven. 4/19

Nonstop4h 37m

Seattle/Tacoma Intl

mar. 5/28

Nonstop4h 12m

$128

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mar. 4/30

Nonstop4h 34m

Seattle/Tacoma Intl

mar. 5/7

Nonstop3h 59m

$135

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mer. 9/11

Nonstop4h 33m

Seattle/Tacoma Intl

mar. 9/17

1 stop8h 45m

$144

Chicago MidwaySeattle/Tacoma Intl

MDW - SEA

MDWSEA

Chicago Midway

sam. 4/20

1 stop11h 36m

Seattle/Tacoma Intl

ven. 4/26

1 stop16h 04m

$147

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

jeu. 4/25

Nonstop4h 37m

Seattle/Tacoma Intl

dim. 4/28

1 stop24h 26m

$152

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

mer. 4/17

1 stop8h 44m

Seattle/Tacoma Intl

dim. 4/21

Nonstop4h 11m

$176

Chicago O'Hare IntlSeattle/Tacoma Intl

ORD - SEA

ORDSEA

Chicago O'Hare Intl

jeu. 5/30

1 stop9h 16m

Seattle/Tacoma Intl

mer. 6/5

1 stop10h 19m

$211

Flights are sorted by cheapest first

Deals found on 3/27

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 mars 28, 2024.
Peruse reviews from past customers who have flown with Frontier, American Airlines and Alaska Airlines 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.
8.1
Very good
9,127 reviews

Crew

8.6

Overall

8.1

Entertainment

7.4

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

8.1
Very good
9,127 reviews
8.1
Very good
9,127 reviews

Crew

8.6

Overall

8.1

Entertainment

7.4

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

8.1
Very good
11,402 reviews
8.1
Very good
9,127 reviews

Crew

8.6

Overall

8.1

Entertainment

7.4

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.5
Good
3,036 reviews
8.1
Very good
9,127 reviews

Crew

8.6

Overall

8.1

Entertainment

7.4

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.4
Good
11,481 reviews
8.1
Very good
9,127 reviews

Crew

8.6

Overall

8.1

Entertainment

7.4

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

7.3
Good
15,181 reviews
8.1
Very good
9,127 reviews

Crew

8.6

Overall

8.1

Entertainment

7.4

Food

7.3

Comfort

7.9

Boarding

8.2

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 Alaska Airlines for just $111, but on average you can expect to pay $147.

  • 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 $157.

  • 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 38 flights from Illinois to State of Washington on average per day.
    Early Morning (Midnight to 6am) - 16% of flight departures
    Morning (6am - Noon) - 13% of flight departures
    Afternoon (Noon - 6pm) - 16% of flight departures
    Evening (6pm - Midnight) - 55% of flight departures

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

    Airlines like Alaska Airlines, Delta, and Undisclosed Carrier fly from Illinois to State of Washington in about 4h 34m. The time it takes to get you to your destination is usually consistent. Illinois and State of Washington are separated by a distance of 1725 mi. Most flights are nonstop.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $59. Frontier flights start at $68 while deals on United Airlines start at $75 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), Pullman Moscow Regional Airport (PUW).

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

    The amount of baggage you can bring 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 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 see available direct flights.

  • 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 do 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.

  • 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 3/28.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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 3,228,805 searches. Data last updated mars 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$99Average$559FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$99Average$432FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$109Average$551FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$114Average$541FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FrontierCheapest$123Average$256FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$147Average$322FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

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.

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 mars 28, 2024.
29%of flight departuresEarly morningMidnight to 6 am
16%of flight departuresMorning6 am to noon
33%of flight departuresAfternoonNoon to 6 pm
22%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

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 can I compare prices from different travel booking sites for flights from Illinois to Washington?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Illinois to Washington that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.