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Cheap flights from Oregon to Illinois from $54

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 5/8. 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.
PDX — ORD
Apr 29 — May 61
From?
To?
Mon 4/29
Mon 5/6
1 adult, Economy
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How far in advance should I book a flight from Oregon to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 16 days in advance, which can save you up to 124% on flights from Oregon to Illinois compared to booking the week you need them. Waiting 16 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 $528. For sooner than that we have options available in the next 3 days from $743.

What is the cheapest month to fly from Oregon to Illinois?

January is one of the best times of the year to fly to Illinois from Oregon. Prices for January average $377 per person but you can even find prices for as low as $149. The most expensive prices can be found in the month of June. Opting for a January flight can save you 34% on your journey compared to booking in June

When is the cheapest time to fly from Oregon to Illinois (OR - IL)?

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

Cheap Frontier flights from Oregon to Illinois

Explore cheap flight options specifically provided by Frontier for the route between Oregon 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 3,086,534 searches. Data last updated April 24, 2024.
Take a look at some of the lowest-priced Frontier flights heading from Oregon to Illinois. Be sure to come back soon if the deals available don't appeal to you at this time.
Mon 5/1312:59 amPDX - ORD
1 stop21h 57mFrontier
Tue 5/217:59 pmORD - PDX
2 stops25h 21mFrontier
Deal found 4/23$121
Sat 5/184:00 pmPDX - ORD
2 stops11h 00mFrontier
Mon 5/207:59 pmORD - PDX
1 stop18h 22mFrontier
Deal found 4/22$125
Sat 5/116:06 pmPDX - MDW
1 stop12h 25mFrontier
Sat 5/1810:01 pmMDW - PDX
1 stop13h 10mFrontier
Deal found 4/23$127
Fri 5/177:54 pmPDX - ORD
2 stops31h 06mFrontier
Mon 5/207:59 pmORD - PDX
1 stop18h 22mFrontier
Deal found 4/23$134
Fri 5/177:54 pmPDX - ORD
2 stops31h 06mFrontier
Tue 5/217:59 pmORD - PDX
2 stops25h 21mFrontier
Deal found 4/23$137
Tue 5/1412:59 amPDX - ORD
1 stop21h 57mFrontier
Mon 5/207:59 pmORD - PDX
1 stop18h 22mFrontier
Deal found 4/23$138
Tue 4/3010:10 pmPDX - ORD
1 stop11h 19mFrontier
Tue 5/76:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/23$139
Mon 5/1312:59 amPDX - MDW
1 stop8h 39mFrontier
Thu 5/167:35 amMDW - PDX
1 stop11h 07mFrontier
Deal found 4/23$142
Tue 5/1410:10 pmPDX - ORD
1 stop11h 19mFrontier
Tue 5/217:59 pmORD - PDX
2 stops25h 21mFrontier
Deal found 4/23$143

Cheap United Airlines flights from Oregon to Illinois

Explore cheap flight options specifically provided by United Airlines for the route between Oregon 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 3,086,534 searches. Data last updated April 24, 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from Oregon to Illinois. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Fri 6/712:15 amPDX - ORD
Nonstop3h 58mUnited Airlines
Tue 6/117:10 amORD - PDX
Nonstop4h 28mUnited Airlines
Deal found 4/22$188
Tue 5/217:30 pmPDX - ORD
1 stop8h 17mUnited Airlines
Tue 5/287:10 amORD - PDX
Nonstop4h 28mUnited Airlines
Deal found 4/23$255
Tue 4/302:14 pmPDX - ORD
Nonstop4h 05mUnited Airlines
Tue 5/73:57 pmORD - PDX
Nonstop4h 29mUnited Airlines
Deal found 4/23$328
Tue 4/3011:50 pmPDX - ORD
Nonstop4h 06mUnited Airlines
Wed 5/14:19 pmORD - PDX
1 stop8h 26mUnited Airlines
Deal found 4/23$352
Tue 4/3011:50 pmPDX - ORD
Nonstop4h 06mUnited Airlines
Thu 5/23:57 pmORD - PDX
Nonstop4h 29mUnited Airlines
Deal found 4/23$361
Mon 4/2911:50 pmPDX - ORD
Nonstop4h 06mUnited Airlines
Mon 5/67:57 pmORD - PDX
Nonstop4h 36mUnited Airlines
Deal found 4/22$379
Sat 5/42:14 pmPDX - ORD
Nonstop4h 05mUnited Airlines
Mon 5/67:57 pmORD - PDX
Nonstop4h 36mUnited Airlines
Deal found 4/23$451
Wed 5/17:00 amPDX - STL
1 stop7h 23mUnited Airlines
Tue 5/78:47 amSTL - PDX
2 stops14h 08mUnited Airlines
Deal found 4/23$473
Sat 5/47:00 amPDX - STL
1 stop7h 23mUnited Airlines
Sat 5/115:25 pmSTL - PDX
2 stops18h 07mUnited Airlines
Deal found 4/23$493

Cheap Oregon to Illinois flights in April & May 2024

Find cheap flight options from Oregon to Illinois specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 24, 2024.
Scroll through some of the best deals on flights from Oregon to Illinois in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$107
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$114
Mon 5/1312:59 amPDX - ORD
1 stop21h 57mFrontier
Tue 5/217:59 pmORD - PDX
2 stops25h 21mFrontier
Deal found 4/23$121
Mon 5/1312:59 amPDX - MDW
1 stop19h 06mFrontier
Tue 5/219:10 pmMDW - PDX
2 stops24h 10mFrontier
Deal found 4/22$121
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mMultiple Airlines
Sat 5/185:56 pmORD - PDX
1 stop17h 15mMultiple Airlines
Deal found 4/23$124
Sat 5/184:00 pmPDX - ORD
2 stops11h 00mFrontier
Mon 5/207:59 pmORD - PDX
1 stop18h 22mFrontier
Deal found 4/22$125
Sat 5/184:00 pmPDX - MDW
2 stops11h 50mFrontier
Mon 5/209:10 pmMDW - PDX
1 stop17h 11mFrontier
Deal found 4/22$125
Sat 5/116:06 pmPDX - MDW
1 stop12h 25mFrontier
Sat 5/1810:01 pmMDW - PDX
1 stop13h 10mFrontier
Deal found 4/23$127
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Thu 5/168:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$131

Oregon to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Oregon and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 24, 2024.
Scroll through some of the best deals on flights from Oregon to Illinois in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$107
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$114
Mon 5/1312:59 amPDX - ORD
1 stop21h 57mFrontier
Tue 5/217:59 pmORD - PDX
2 stops25h 21mFrontier
Deal found 4/23$121
Mon 5/1312:59 amPDX - MDW
1 stop19h 06mFrontier
Tue 5/219:10 pmMDW - PDX
2 stops24h 10mFrontier
Deal found 4/22$121
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mMultiple Airlines
Sat 5/185:56 pmORD - PDX
1 stop17h 15mMultiple Airlines
Deal found 4/23$124
Sat 5/184:00 pmPDX - ORD
2 stops11h 00mFrontier
Mon 5/207:59 pmORD - PDX
1 stop18h 22mFrontier
Deal found 4/22$125
Sat 5/184:00 pmPDX - MDW
2 stops11h 50mFrontier
Mon 5/209:10 pmMDW - PDX
1 stop17h 11mFrontier
Deal found 4/22$125
Sat 5/116:06 pmPDX - MDW
1 stop12h 25mFrontier
Sat 5/1810:01 pmMDW - PDX
1 stop13h 10mFrontier
Deal found 4/23$127
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Thu 5/168:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$131

Non-stop flights to Illinois from Oregon

Discover non-stop flight options from Oregon 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 3,086,534 searches. Data last updated April 24, 2024.
If you're seeking options on non-stop flights from Oregon to Illinois, check out these fares. Users seeking other options on flights from Oregon to Illinois should update the search form at the top of the page.
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$107
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$114
Thu 5/2311:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/298:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$122
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Thu 5/98:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$124
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Thu 5/168:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$131
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 5/138:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$133
Thu 5/3011:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 6/38:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$139
Fri 5/1711:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sun 5/198:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/22$140
Thu 5/911:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Fri 5/108:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$141

Oregon to Illinois flights leaving soon

Find last-minute flight options from Oregon 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 3,086,534 searches. Data last updated April 24, 2024.
Have a look at some of the flights available from Oregon to Illinois departing last-minute. To prevent any unwanted surprises, users should verify their flight info before booking.
Tue 4/3010:10 pmPDX - ORD
1 stop11h 19mFrontier
Tue 5/76:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/23$139
Mon 4/2912:59 amPDX - ORD
1 stop21h 57mFrontier
Tue 5/76:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/23$148
Mon 4/2912:59 amPDX - MDW
1 stop8h 39mFrontier
Tue 5/79:51 amMDW - PDX
1 stop9h 14mFrontier
Deal found 4/23$148
Tue 4/3010:10 pmPDX - ORD
1 stop11h 19mFrontier
Wed 5/16:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/23$160
Tue 4/3010:10 pmPDX - ORD
1 stop11h 19mFrontier
Thu 5/26:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/23$162
Mon 4/2912:59 amPDX - MDW
1 stop8h 39mFrontier
Thu 5/29:11 amMDW - PDX
1 stop10h 03mFrontier
Deal found 4/23$162
Mon 4/2912:59 amPDX - ORD
1 stop21h 57mFrontier
Wed 5/16:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/23$169
Mon 4/2912:59 amPDX - MDW
1 stop8h 39mFrontier
Wed 5/15:30 amMDW - PDX
1 stop20h 29mFrontier
Deal found 4/23$169
Mon 4/2912:59 amPDX - MDW
1 stop8h 39mFrontier
Tue 4/3010:55 pmMDW - PDX
1 stop27h 04mFrontier
Deal found 4/23$170

One-way flights to Illinois from Oregon

Search for one-way flight options from Oregon 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 3,086,534 searches. Data last updated April 24, 2024.
Users in need of a one-way flight from Oregon to Illinois can choose from these deals. For those needing a return trip from Oregon, there is a search form available above.
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Deal found 4/23$54
Wed 5/2211:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Deal found 4/23$55
Mon 5/1312:59 amPDX - STL
1 stop12h 51mFrontier
Deal found 4/23$55
Thu 5/2311:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Deal found 4/23$62
Sat 5/184:00 pmPDX - ORD
2 stops11h 00mFrontier
Deal found 4/23$64
Mon 5/1310:16 pmPDX - ORD
1 stop11h 13mFrontier
Deal found 4/23$65
Mon 5/1312:59 amPDX - ORD
1 stop21h 57mFrontier
Deal found 4/23$69
Tue 5/143:57 pmPDX - ORD
1 stop12h 33mSpirit Airlines
Deal found 4/23$70
Mon 5/1311:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Deal found 4/23$71

Find flights from Oregon to Illinois within your budget

Customize your flight search to find flights from Oregon 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 3,086,534 searches. Data last updated April 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$107 - $247

Route

Depart

Return

Price

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Wed 5/8

Nonstop3h 50m

Chicago O'Hare Intl

Wed 5/15

Nonstop4h 30m

$107

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Wed 5/8

Nonstop3h 50m

Chicago O'Hare Intl

Sat 5/18

Nonstop4h 30m

$114

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Mon 5/13

1 stop21h 57m

Chicago O'Hare Intl

Tue 5/21

2 stops25h 21m

$121

PortlandChicago Midway

PDX - MDW

PDXMDW

Portland

Mon 5/13

1 stop19h 06m

Chicago Midway

Tue 5/21

2 stops24h 10m

$121

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Wed 5/8

Nonstop3h 50m

Chicago O'Hare Intl

Sat 5/18

1 stop17h 15m

$124

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Tue 7/2

Nonstop4h 05m

Chicago O'Hare Intl

Tue 7/9

Nonstop4h 25m

$179

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Fri 6/7

Nonstop3h 58m

Chicago O'Hare Intl

Tue 6/11

Nonstop4h 28m

$188

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Mon 8/26

Nonstop4h 02m

Chicago O'Hare Intl

Fri 8/30

Nonstop4h 30m

$219

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Sat 5/25

1 stop7h 46m

Chicago O'Hare Intl

Wed 5/29

1 stop7h 17m

$247

Flights are sorted by cheapest first

Deals found on 4/23

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 April 24, 2024.
See what other customers who have flown with Frontier, United Airlines and Delta from Oregon to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,111 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
11,004 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

WestJet
7.5
Good
2,991 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,272 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,898 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Entertainment

7.3

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Oregon 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 Oregon to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Oregon to Illinois for under $200. The cheapest flight booked recently is on Spirit Airlines for just $107, but on average you can expect to pay $129.

  • Are there nonstop flights from Oregon to Illinois for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Oregon to Illinois under $200. A good price for a nonstop flight from Oregon to Illinois is less than $149.

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

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

  • What days are nonstop flights available from Oregon to Illinois?

    Nonstop flights are available for this route on the following days: Monday, Wednesday, Saturday.

  • How many flights depart from Oregon to Illinois on average per day?

    On average 4 flights depart from Oregon to Illinois per day.
    Morning (6am - Noon) - 75% of flight departures
    Evening (6pm - Midnight) - 25% of flight departures

  • How long is the flight from Oregon to Illinois?

    A quick flight from Oregon to Illinois can take about 3h 50m. Spirit Airlines provides one of the quickest options available for as low as $107. Airlines will cover a distance of 1744 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 Oregon to Illinois one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $54. Users have also found prices from $55 and $90 on Frontier and American Airlines, respectively.

  • What does PDX to ORD mean?

    PDX stands for Portland Airport, while ORD stands for Chicago O'Hare Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

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

    The amount of baggage you can bring on your Oregon to Illinois 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 Oregon to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Oregon to Illinois 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 Oregon to Illinois that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon 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 Oregon to Illinois that allow pets onboard?

    Many airlines flying from Oregon to Illinois 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 Oregon to Illinois?

    Yes, you can often find last-minute deals on Oregon 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 recently were the Oregon to Illinois flight deals updated?

    The Oregon to Illinois flight deals you see on this page were last updated on 4/23.

See more FAQs

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Top 6 airlines flying from Oregon to Illinois

Discover the top 6 airlines that operate flights from Oregon 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 3,086,534 searches. Data last updated April 24, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$233FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$113Average$226FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest$118Average$507FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$150Average$437FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$199Average$603FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Oregon to Illinois by cabin class

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

Find hourly flight availability from Oregon 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 April 24, 2024.
4%of flight departuresEarly morningMidnight to 6 am
63%of flight departuresMorning6 am to noon
25%of flight departuresAfternoonNoon to 6 pm
8%of flight departuresEvening6 pm to midnight
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How does Cheapflights help users find flights from Oregon to Illinois?

When you search for this flight from Oregon to Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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 Oregon to Illinois.

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

Need flexible booking options for your flight to Illinois from Oregon? 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 Oregon to Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Oregon to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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