Cheap flights from Washington to Illinois 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 4/30. 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.
SEA — ORD
abr. 3 — abr. 101

How far in advance should I book a flight from State of Washington to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 39 days in advance, which can save you up to 73% on flights from State of Washington to Illinois compared to booking the week you need them. Waiting 39 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $296. For sooner than that we have options available in the next 3 days from $575.

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

January can be a great time to fly to Illinois from State of Washington with a flight ticket averaging about $306. 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 State of Washington to Illinois (WA - IL)?

When flying from State of Washington to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Alaska Airlines flights from Washington to Illinois

Explore cheap flight options specifically provided by Alaska Airlines for the route between Washington and Illinois. 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 marzo 29, 2024.
Take a look at some of the lowest-priced Alaska Airlines flights heading from Washington to Illinois. Make sure to double check the flight details before booking.
mar. 4/2311:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
mié. 4/248:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/27$111
sáb. 4/2011:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
sáb. 4/276:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$112
sáb. 4/205:58 pmSEA - ORD
Nonstop4h 00mAlaska Airlines
sáb. 4/276:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/27$117
vie. 5/311:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
mar. 5/76:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/27$128
sáb. 6/810:49 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
mié. 6/129:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 3/27$139
vie. 4/1212:12 pmSEA - ORD
Nonstop4h 07mAlaska Airlines
sáb. 4/206:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/26$158
jue. 4/2511:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
vie. 4/268:35 amORD - SEA
1 stop7h 51mAlaska Airlines
Deal found 3/28$162
sáb. 4/208:45 amSEA - ORD
1 stop7h 34mAlaska Airlines
jue. 4/256:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/27$167
mar. 4/2311:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
mié. 4/242:53 pmORD - SEA
1 stop6h 14mAlaska Airlines
Deal found 3/26$168

Cheap Spirit Airlines flights from Washington to Illinois

Explore cheap flight options specifically provided by Spirit Airlines for the route between Washington and Illinois. 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 marzo 29, 2024.
To aid your search, here are some of the cheapest Spirit Airlines flights we've found from Washington to Illinois. Make sure to examine the flight information before completing your reservation.
vie. 4/128:57 pmSEA - ORD
2 stops21h 08mSpirit Airlines
mar. 4/167:03 amORD - SEA
2 stops27h 42mSpirit Airlines
Deal found 3/26$202
vie. 4/198:57 pmSEA - ORD
1 stop7h 32mSpirit Airlines
sáb. 4/278:00 amORD - SEA
1 stop8h 17mSpirit Airlines
Deal found 3/28$213
mié. 4/249:19 pmSEA - ORD
1 stop7h 10mSpirit Airlines
mié. 5/17:03 amORD - SEA
2 stops27h 42mSpirit Airlines
Deal found 3/27$214
lun. 4/229:38 amSEA - ORD
2 stops28h 35mSpirit Airlines
mié. 4/247:03 amORD - SEA
2 stops27h 42mSpirit Airlines
Deal found 3/28$215
lun. 4/88:57 pmSEA - ORD
1 stop7h 33mSpirit Airlines
jue. 4/1111:58 pmORD - SEA
1 stop10h 47mSpirit Airlines
Deal found 3/28$321
lun. 4/88:57 pmSEA - ORD
1 stop7h 33mSpirit Airlines
jue. 4/1111:58 pmORD - SEA
1 stop10h 47mSpirit Airlines
Deal found 3/28$346
lun. 4/88:57 pmSEA - ORD
1 stop7h 33mSpirit Airlines
vie. 4/1210:24 amORD - SEA
1 stop11h 43mSpirit Airlines
Deal found 3/28$378
dom. 4/79:12 pmSEA - ORD
1 stop7h 18mSpirit Airlines
mar. 4/97:54 pmORD - SEA
1 stop14h 51mSpirit Airlines
Deal found 3/28$388
lun. 4/88:57 pmSEA - ORD
1 stop7h 33mSpirit Airlines
jue. 4/117:03 amORD - SEA
2 stops27h 42mSpirit Airlines
Deal found 3/28$401

Cheap Washington to Illinois flights in March & April 2024

Find cheap flight options from Washington to Illinois 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 marzo 29, 2024.
Check out some of the best flight deals from Washington to Illinois in 2024. For more flight deals, be sure to check back very soon.
mar. 4/2311:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
mié. 4/248:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/29$111
sáb. 4/2011:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
sáb. 4/276:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$112
vie. 4/2611:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
dom. 4/286:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$117
mar. 4/3011:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
mar. 5/76:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$128
sáb. 4/203:02 pmSEA - ORD
1 stop7h 54mMultiple Airlines
sáb. 4/276:00 amORD - SEA
Nonstop4h 34mMultiple Airlines
Deal found 3/28$129
sáb. 4/205:58 pmSEA - ORD
Nonstop4h 00mAlaska Airlines
mar. 4/236:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$139
sáb. 4/272:55 pmSEA - ORD
1 stop8h 01mMultiple Airlines
lun. 4/296:00 amORD - SEA
Nonstop4h 34mMultiple Airlines
Deal found 3/28$144
mié. 4/175:58 pmSEA - MDW
1 stop12h 38mFrontier
mar. 4/2310:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 3/28$147
mié. 4/175:58 pmSEA - MDW
1 stop12h 38mFrontier
sáb. 4/2010:30 amMDW - SEA
1 stop11h 36mFrontier
Deal found 3/28$152

Washington to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Washington and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated marzo 29, 2024.
Check out some of the best flight deals from Washington to Illinois in 2024. For more flight deals, be sure to check back very soon.
mar. 4/2311:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
mié. 4/248:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/29$111
sáb. 4/2011:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
sáb. 4/276:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$112
vie. 4/265:58 pmSEA - ORD
Nonstop4h 00mAlaska Airlines
lun. 4/298:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$117
sáb. 5/45:58 pmSEA - ORD
Nonstop4h 00mAlaska Airlines
mar. 5/76:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$128
sáb. 4/203:02 pmSEA - ORD
1 stop7h 54mMultiple Airlines
sáb. 4/276:00 amORD - SEA
Nonstop4h 34mMultiple Airlines
Deal found 3/28$129
mié. 6/511:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
mar. 6/119:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 3/28$139
sáb. 4/272:55 pmSEA - ORD
1 stop8h 01mMultiple Airlines
lun. 4/296:00 amORD - SEA
Nonstop4h 34mMultiple Airlines
Deal found 3/28$144
mié. 4/175:58 pmSEA - MDW
1 stop12h 38mFrontier
mar. 4/2310:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 3/28$147
mié. 4/175:58 pmSEA - MDW
1 stop12h 38mFrontier
sáb. 4/2010:30 amMDW - SEA
1 stop11h 36mFrontier
Deal found 3/28$152

Non-stop flights to Illinois from Washington

Discover non-stop flight options from Washington to Illinois. 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 marzo 29, 2024.
For a quicker trip, book one of these direct flights from Washington to Illinois. Search for alternative flights from Washington to Illinois by utilizing the search form above.
mar. 4/2311:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
mié. 4/248:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/29$111
sáb. 4/2011:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
sáb. 4/276:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$112
vie. 4/2611:46 pmSEA - ORD
Nonstop3h 59mAlaska Airlines
dom. 4/286:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$117
sáb. 5/45:58 pmSEA - ORD
Nonstop4h 00mAlaska Airlines
mar. 5/76:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$128
mié. 6/511:34 pmSEA - ORD
Nonstop4h 06mAlaska Airlines
mar. 6/119:20 pmORD - SEA
Nonstop4h 35mAlaska Airlines
Deal found 3/28$139
mié. 4/2411:49 pmSEA - ORD
Nonstop4h 01mUnited Airlines
mar. 5/77:45 pmORD - SEA
Nonstop4h 42mUnited Airlines
Deal found 3/28$156
lun. 4/226:00 pmSEA - ORD
Nonstop3h 58mDelta
mié. 4/246:10 amORD - SEA
Nonstop4h 36mDelta
Deal found 3/28$157
mié. 4/176:00 amSEA - ORD
Nonstop4h 10mAlaska Airlines
sáb. 4/206:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$158
dom. 4/1411:45 pmSEA - ORD
Nonstop4h 00mAlaska Airlines
sáb. 4/206:00 amORD - SEA
Nonstop4h 34mAlaska Airlines
Deal found 3/28$169

Washington to Illinois flights leaving soon

Find last-minute flight options from Washington to Illinois 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 marzo 29, 2024.
Users seeking a last-minute flight from Washington to Illinois should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
dom. 4/710:35 pmSEA - MDW
1 stop10h 41mFrontier
mar. 4/1610:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 3/28$229
sáb. 4/69:49 pmSEA - MDW
1 stop11h 47mFrontier
mar. 4/97:00 amMDW - SEA
1 stop14h 51mFrontier
Deal found 3/28$239
mié. 4/38:25 pmSEA - MDW
1 stop13h 11mFrontier
mar. 4/97:00 amMDW - SEA
1 stop14h 51mFrontier
Deal found 3/28$243
dom. 4/710:35 pmSEA - MDW
1 stop10h 41mFrontier
jue. 4/188:05 pmMDW - SEA
1 stop27h 29mFrontier
Deal found 3/28$245
dom. 4/712:50 amSEA - STL
1 stop7h 22mFrontier
lun. 4/158:04 pmSTL - SEA
1 stop26h 31mFrontier
Deal found 3/27$248
dom. 4/710:35 pmSEA - MDW
1 stop10h 41mFrontier
lun. 4/810:59 pmMDW - SEA
1 stop11h 33mFrontier
Deal found 3/28$257
dom. 4/710:35 pmSEA - MDW
1 stop10h 41mFrontier
jue. 4/119:06 pmMDW - SEA
1 stop13h 34mFrontier
Deal found 3/28$258
dom. 4/712:50 amSEA - STL
1 stop7h 22mFrontier
mié. 4/109:39 pmSTL - SEA
1 stop12h 56mFrontier
Deal found 3/28$268
sáb. 4/69:49 pmSEA - MDW
1 stop11h 47mFrontier
mar. 4/1610:34 pmMDW - SEA
1 stop12h 21mFrontier
Deal found 3/28$269

One-way flights to Illinois from Washington

Search for one-way flight options from Washington to Illinois. 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 marzo 29, 2024.
Users in need of a one-way flight from Washington to Illinois can choose from these deals. Those seeking round-trip flights from Washington to Illinois should utilize the search form at the the top of the page.
mar. 4/306:00 pmSEA - ORD
Nonstop3h 58mDelta
Deal found 3/28$59
sáb. 4/132:40 pmSEA - ORD
1 stop8h 16mFrontier
Deal found 3/28$65
mar. 4/309:35 pmSEA - MDW
1 stop12h 03mFrontier
Deal found 3/28$65
sáb. 4/132:40 pmSEA - ORD
1 stop8h 16mFrontier
Deal found 3/28$68
mar. 4/309:35 pmSEA - MDW
1 stop12h 03mFrontier
Deal found 3/28$68
mar. 5/286:00 pmSEA - ORD
Nonstop4h 05mDelta
Deal found 3/28$70
sáb. 4/272:55 pmSEA - ORD
1 stop8h 01mFrontier
Deal found 3/28$73
mar. 4/309:35 pmSEA - ORD
1 stop25h 21mFrontier
Deal found 3/28$74
mar. 5/79:35 pmSEA - MDW
1 stop12h 03mFrontier
Deal found 3/28$74

Find flights from Washington to Illinois within your budget

Customize your flight search to find flights from Washington to Illinois 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 marzo 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$111 - $202

Route

Depart

Return

Price

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

mar. 4/23

Nonstop3h 59m

Chicago O'Hare Intl

mié. 4/24

Nonstop4h 34m

$111

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

sáb. 4/20

Nonstop3h 59m

Chicago O'Hare Intl

sáb. 4/27

Nonstop4h 34m

$112

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

mié. 4/24

Nonstop3h 59m

Chicago O'Hare Intl

sáb. 4/27

Nonstop4h 34m

$113

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

sáb. 4/20

1 stop7h 54m

Chicago O'Hare Intl

sáb. 4/27

Nonstop4h 34m

$129

Seattle/Tacoma IntlChicago Midway

SEA - MDW

SEAMDW

Seattle/Tacoma Intl

mié. 4/17

1 stop12h 38m

Chicago Midway

mar. 4/23

1 stop12h 21m

$147

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

mié. 4/24

Nonstop4h 01m

Chicago O'Hare Intl

mar. 5/7

Nonstop4h 42m

$156

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

vie. 4/19

Nonstop3h 58m

Chicago O'Hare Intl

mié. 4/24

Nonstop4h 45m

$157

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

sáb. 4/20

Nonstop4h 11m

Chicago O'Hare Intl

sáb. 4/27

1 stop8h 44m

$176

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

vie. 4/12

2 stops21h 08m

Chicago O'Hare Intl

mar. 4/16

2 stops27h 42m

$202

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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated marzo 29, 2024.
Read through reviews of airlines operating flights from Washington to Illinois, such as Alaska Airlines, Spirit Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,327 reviews

Boarding

8.3

Entertainment

7.9

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.2
Very good
6,327 reviews
Southwest
8.2
Very good
6,327 reviews

Boarding

8.3

Entertainment

7.9

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
9,127 reviews
Southwest
8.2
Very good
6,327 reviews

Boarding

8.3

Entertainment

7.9

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
11,402 reviews
Southwest
8.2
Very good
6,327 reviews

Boarding

8.3

Entertainment

7.9

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.4
Good
11,470 reviews
Southwest
8.2
Very good
6,327 reviews

Boarding

8.3

Entertainment

7.9

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.3
Good
15,181 reviews
Southwest
8.2
Very good
6,327 reviews

Boarding

8.3

Entertainment

7.9

Comfort

8.1

Food

7.4

Overall

8.2

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Related info for your journey

Find useful and relevant information for your journey from Washington to Illinois. 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 State of Washington to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from State of Washington to Illinois for under $200. The cheapest flight booked recently is on Alaska Airlines for just $111, but on average you can expect to pay $144.

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

    Cheapflights has at least 20 direct flights from State of Washington to Illinois under $200. A good price for a nonstop flight from State of Washington to Illinois is less than $168.

  • Are there last-minute flights available from State of Washington to Illinois for under $300?

    There are currently 20+ open flights from State of Washington to Illinois within the next 7 days for less than $300.

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

    You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Friday, Saturday.

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

    Travelers can expect 26 flights from State of Washington to Illinois on average per day.
    Morning (6am - Noon) - 65% of flight departures
    Afternoon (Noon - 6pm) - 27% of flight departures
    Evening (6pm - Midnight) - 8% of flight departures

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

    For as low as $111, Alaska Airlines can have you in Illinois from State of Washington in 3h 59m. The distance between State of Washington and Illinois is about 1725 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $59 on Delta. Other airlines that offer cheap prices include Frontier from $65 and Spirit Airlines from $83 one-way.

  • What does SEA to ORD mean?

    This is defined as Seattle/Tacoma Intl Airport (SEA) and Chicago O'Hare Intl Airport (ORD). Codes like Chicago O'Hare Intl Airport are often used to just call airports uniquely. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI) are other airports near this flight route and their unique identifiers/IATA codes.

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

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

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

    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 Washington to Illinois?

    Yes. Cheapflights offers flight deals from Washington to Illinois 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 Washington to Illinois 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 State of Washington to Illinois flight deals updated?

    The State of Washington to Illinois flight deals you see on this page were last updated on 3/29.

See more FAQs

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

Top 6 airlines flying from Washington to Illinois

Discover the top 6 airlines that operate flights from Washington to Illinois. 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 marzo 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$99Average$442FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$99Average$508FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$114Average$548FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FrontierCheapest$120Average$198FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$129Average$314FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$167Average$556FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Washington to Illinois by cabin class

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

Hourly flight availability from Washington to Illinois

Find hourly flight availability from Washington to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 29, 2024.
7%of flight departuresEarly morningMidnight to 6 am
68%of flight departuresMorning6 am to noon
19%of flight departuresAfternoonNoon to 6 pm
6%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 Washington to Illinois?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Illinois from Washington today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington to Illinois.

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

Certainly. Search results for flights to Illinois from Washington shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Washington to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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

Yes, you can often find last-minute deals on Washington to Illinois 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 Washington to Illinois?

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 Washington to Illinois 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.

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