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Cheap flights from Oregon to Illinois from $46

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 5/15. 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 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 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 Spirit Airlines flights from Oregon to Illinois

Explore cheap flight options specifically provided by Spirit 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 3,073,952 searches. Data last updated April 25, 2024.
Take a look at some of the lowest-priced Spirit Airlines flights heading from Oregon to Illinois. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/118:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$79
Sat 5/1111:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$80
Wed 5/223:27 pmPDX - ORD
1 stop13h 13mSpirit Airlines
Wed 5/298:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$81
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/181:13 pmORD - PDX
1 stop8h 51mSpirit Airlines
Deal found 4/24$93
Sat 6/111:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 6/58:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 4/24$105
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$107
Tue 5/75:32 amPDX - ORD
3 stops25h 52mSpirit Airlines
Sat 5/118:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$112
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Fri 5/108:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$116
Wed 5/155:20 amPDX - ORD
1 stop14h 35mSpirit Airlines
Sun 5/198:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$117

Cheap American Airlines flights from Oregon to Illinois

Explore cheap flight options specifically provided by American 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 3,073,952 searches. Data last updated April 25, 2024.
Some of the lowest-priced American 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.
Thu 6/611:55 pmPDX - ORD
Nonstop4h 05mAmerican Airlines
Tue 6/118:30 pmORD - PDX
Nonstop4h 28mAmerican Airlines
Deal found 4/24$199
Thu 5/2312:08 amPDX - ORD
Nonstop4h 05mAmerican Airlines
Sat 6/18:25 pmORD - PDX
Nonstop4h 28mAmerican Airlines
Deal found 4/24$208
Fri 6/711:55 pmPDX - ORD
Nonstop4h 05mAmerican Airlines
Sun 6/95:05 amORD - PDX
1 stop7h 28mAmerican Airlines
Deal found 4/24$228
Wed 6/512:59 amPDX - ORD
1 stop6h 56mAmerican Airlines
Tue 6/188:30 pmORD - PDX
Nonstop4h 28mAmerican Airlines
Deal found 4/24$235
Tue 7/911:41 pmPDX - ORD
Nonstop3h 55mAmerican Airlines
Sun 7/145:10 amORD - PDX
1 stop7h 12mAmerican Airlines
Deal found 4/24$253
Mon 7/2911:41 pmPDX - ORD
Nonstop3h 55mAmerican Airlines
Sat 8/35:10 amORD - PDX
1 stop7h 12mAmerican Airlines
Deal found 4/24$255

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 3,073,952 searches. Prices were last updated on April 25, 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
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$68
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/118:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$79
Sat 5/1111:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$80
Wed 5/223:27 pmPDX - ORD
1 stop13h 13mSpirit Airlines
Wed 5/298:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$81
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/181:13 pmORD - PDX
1 stop8h 51mSpirit Airlines
Deal found 4/24$93
Wed 5/1511:30 pmPDX - ORD
Nonstop3h 50mMultiple Airlines
Mon 5/207:59 pmORD - PDX
1 stop18h 22mMultiple Airlines
Deal found 4/24$104
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$107
Tue 5/75:32 amPDX - ORD
3 stops25h 52mSpirit Airlines
Sat 5/118:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$112
Sat 5/1112:59 amPDX - ORD
1 stop21h 57mMultiple Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mMultiple Airlines
Deal found 4/24$114

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 3,073,952 searches. Data last updated April 25, 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
Sat 5/118:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$79
Sat 5/1111:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$80
Wed 5/223:27 pmPDX - ORD
1 stop13h 13mSpirit Airlines
Wed 5/298:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$81
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/181:13 pmORD - PDX
1 stop8h 51mSpirit Airlines
Deal found 4/24$93
Wed 5/1511:30 pmPDX - ORD
Nonstop3h 50mMultiple Airlines
Mon 5/207:59 pmORD - PDX
1 stop18h 22mMultiple Airlines
Deal found 4/24$104
Sat 6/111:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 6/58:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 4/24$105
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$107
Tue 5/75:32 amPDX - ORD
3 stops25h 52mSpirit Airlines
Sat 5/118:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$112
Sat 5/1112:59 amPDX - ORD
1 stop21h 57mMultiple Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mMultiple Airlines
Deal found 4/24$114

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 3,073,952 searches. Data last updated April 25, 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
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$68
Sat 5/1111:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$80
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 5/138:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$104
Sat 6/111:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 6/58:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 4/24$105
Sun 5/1211:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/24$106
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/23$107
Thu 5/2311:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 6/18:00 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

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 3,073,952 searches. Data last updated April 25, 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.
Wed 5/112:59 amPDX - ORD
1 stop21h 57mMultiple Airlines
Wed 5/88:00 pmORD - PDX
Nonstop4h 30mMultiple Airlines
Deal found 4/24$138
Fri 5/312:49 amPDX - ORD
1 stop22h 07mMultiple Airlines
Sat 5/118:00 pmORD - PDX
Nonstop4h 30mMultiple Airlines
Deal found 4/24$144
Wed 5/110:09 pmPDX - ORD
1 stop11h 36mMultiple Airlines
Tue 5/79:34 pmORD - PDX
1 stop15h 31mMultiple Airlines
Deal found 4/24$148
Sun 5/52:50 pmPDX - ORD
1 stop8h 06mMultiple Airlines
Wed 5/88:00 pmORD - PDX
Nonstop4h 30mMultiple Airlines
Deal found 4/24$149
Sat 5/412:59 amPDX - ORD
1 stop21h 57mMultiple Airlines
Wed 5/88:00 pmORD - PDX
Nonstop4h 30mMultiple Airlines
Deal found 4/24$154
Wed 5/110:09 pmPDX - ORD
1 stop11h 36mFrontier
Tue 5/76:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/24$159
Sun 5/512:59 amPDX - ORD
1 stop21h 57mMultiple Airlines
Wed 5/88:00 pmORD - PDX
Nonstop4h 30mMultiple Airlines
Deal found 4/24$165
Sat 5/412:59 amPDX - ORD
1 stop21h 57mFrontier
Wed 5/86:27 pmORD - PDX
1 stop14h 49mFrontier
Deal found 4/24$166
Tue 4/3012:59 amPDX - ORD
1 stop21h 57mMultiple Airlines
Tue 5/79:34 pmORD - PDX
1 stop15h 31mMultiple Airlines
Deal found 4/24$167

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 3,073,952 searches. Data last updated April 25, 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 5/155:20 amPDX - ORD
1 stop14h 35mSpirit Airlines
Deal found 4/24$46
Sat 5/2511:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Deal found 4/24$51
Wed 5/293:27 pmPDX - ORD
1 stop13h 13mSpirit Airlines
Deal found 4/24$54
Wed 5/223:27 pmPDX - ORD
1 stop13h 13mSpirit Airlines
Deal found 4/25$56
Tue 5/73:57 pmPDX - ORD
1 stop12h 33mSpirit Airlines
Deal found 4/24$59
Mon 5/1310:16 pmPDX - ORD
1 stop11h 13mFrontier
Deal found 4/24$65
Thu 5/2311:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Deal found 4/24$68
Sat 5/1110:20 amPDX - STL
1 stop21h 58mFrontier
Deal found 4/24$69
Tue 5/143:57 pmPDX - ORD
1 stop12h 33mSpirit Airlines
Deal found 4/23$70

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 3,073,952 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$79 - $219

Route

Depart

Return

Price

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Wed 5/8

Nonstop3h 50m

Chicago O'Hare Intl

Sat 5/11

Nonstop4h 30m

$79

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Sat 5/11

Nonstop3h 50m

Chicago O'Hare Intl

Sat 5/18

Nonstop4h 30m

$80

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Wed 5/22

1 stop13h 13m

Chicago O'Hare Intl

Wed 5/29

Nonstop4h 30m

$81

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Wed 5/8

Nonstop3h 50m

Chicago O'Hare Intl

Sat 5/18

1 stop8h 51m

$93

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Wed 5/15

Nonstop3h 50m

Chicago O'Hare Intl

Mon 5/20

1 stop18h 22m

$104

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

Mon 5/13

1 stop21h 59m

Lambert-St Louis

Mon 5/20

1 stop12h 28m

$114

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Sat 5/11

1 stop21h 57m

Chicago O'Hare Intl

Wed 5/15

Nonstop4h 30m

$114

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Thu 6/6

Nonstop4h 05m

Chicago O'Hare Intl

Tue 6/11

Nonstop4h 28m

$199

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Mon 8/26

Nonstop4h 02m

Chicago O'Hare Intl

Fri 8/30

Nonstop4h 30m

$219

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 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 25, 2024.
See what other customers who have flown with Spirit Airlines, American Airlines and United Airlines 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
9,110 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.1

Crew

8.6

Reviews

1 / 10

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

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

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.1

Crew

8.6

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
9,110 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.1

Crew

8.6

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
9,110 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.1

Crew

8.6

Reviews

1 / 10

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

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

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.1

Crew

8.6

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
9,110 reviews
Check prices

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.1

Crew

8.6

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 $100 on Cheapflights?

    Yes, there are multiple flights from Oregon to Illinois for under $100. The cheapest flight booked recently is on Spirit Airlines for just $79, but on average you can expect to pay $111.

  • Are there nonstop flights from Oregon to Illinois for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Oregon to Illinois under $100. A good price for a nonstop flight from Oregon to Illinois is less than $130.

  • 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: Sunday, Monday, Tuesday, Saturday.

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

    On average 5 flights depart from Oregon to Illinois per day.
    Morning (6am - Noon) - 100% 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 $79. 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 $46. Users have also found prices from $65 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 4/24.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 3,073,952 searches. Data last updated April 25, 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
American AirlinesCheapest$220Average$548FlexibilityNo cancel feeOn-time71%
Search American 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.
First Class
Business Class
Prem Econ Class
Economy Class

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 25, 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
Midnight
6 AM
Noon
6 PM

Book a flight to one of these trending destinations

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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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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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