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Cheap flights from Portland (PDX) to Illinois from $61

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — ORD
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
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How far in advance should I book a flight from Portland to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 59 days in advance, which can save you up to 76% on flights from Portland to Illinois compared to booking the week you need them. Waiting 59 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 $404. For sooner than that we have options available in the next 3 days from $615.

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

Our data shows that November tends to be the cheapest month to fly to Illinois from Portland. Users have commonly found prices around $367 for the month, but tickets can be as low as $127. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Portland to Illinois (PDX - IL)?

When flying from Portland 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 American Airlines flights from Portland to Illinois

Explore cheap flight options specifically provided by American Airlines for the route between Portland 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 2,717,708 searches. Data last updated May 9, 2024.
Check out some of the cheapest American Airlines flights we've come across from Portland to Illinois. Come back soon if you're not finding the exact deal you're looking for.
Tue 7/211:55 pmPDX - ORD
Nonstop4h 05mAmerican Airlines
Wed 7/38:30 pmORD - PDX
Nonstop4h 28mAmerican Airlines
Deal found 5/8$189
Wed 7/1711:41 pmPDX - ORD
Nonstop3h 55mAmerican Airlines
Sat 7/278:24 pmORD - PDX
Nonstop4h 25mAmerican Airlines
Deal found 5/8$198
Tue 10/11:39 pmPDX - PIA
1 stop5h 33mAmerican Airlines
Sat 10/56:34 pmPIA - PDX
1 stop6h 28mAmerican Airlines
Deal found 5/8$204
Sat 7/1311:41 pmPDX - ORD
Nonstop3h 55mAmerican Airlines
Sat 7/208:24 pmORD - PDX
Nonstop4h 25mAmerican Airlines
Deal found 5/8$207
Sun 7/2811:41 pmPDX - ORD
Nonstop3h 55mAmerican Airlines
Sun 8/48:24 pmORD - PDX
Nonstop4h 25mAmerican Airlines
Deal found 5/9$283
Sat 5/181:25 pmPDX - STL
1 stop7h 52mAmerican Airlines
Tue 5/285:21 amSTL - PDX
1 stop7h 38mAmerican Airlines
Deal found 5/8$306

Cheap Alaska Airlines flights from Portland to Illinois

Explore cheap flight options specifically provided by Alaska Airlines for the route between Portland 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 2,717,708 searches. Data last updated May 9, 2024.
Some of the best deals we've found on Alaska Airlines flights traveling from Portland to Illinois. Deals are refreshing constantly so come back soon for more options.
Tue 6/410:35 pmPDX - ORD
Nonstop4h 05mAlaska Airlines
Tue 6/118:00 amORD - PDX
Nonstop4h 20mAlaska Airlines
Deal found 5/8$209
Fri 8/231:44 pmPDX - STL
1 stop8h 15mAlaska Airlines
Mon 8/267:31 pmSTL - PDX
1 stop6h 13mAlaska Airlines
Deal found 5/9$265
Tue 5/1410:24 pmPDX - ORD
Nonstop4h 21mAlaska Airlines
Wed 5/158:35 amORD - PDX
Nonstop4h 34mAlaska Airlines
Deal found 5/7$277
Tue 5/141:00 pmPDX - STL
1 stop8h 17mAlaska Airlines
Wed 5/155:55 amSTL - PDX
1 stop7h 14mAlaska Airlines
Deal found 5/7$370
Tue 5/1410:24 pmPDX - ORD
Nonstop4h 21mAlaska Airlines
Wed 5/158:35 amORD - PDX
Nonstop4h 34mAlaska Airlines
Deal found 5/8$715

Cheap Portland to Illinois flights in May & June 2024

Find cheap flight options from Portland to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Prices were last updated on May 9, 2024.
Listed are some of the best fares we've found on flights departing from Portland to Illinois in 2024. More deals are always being added, so be sure to check back regularly.
Sat 5/1811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/228:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$67
Wed 5/1511:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/228:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$68
Wed 5/1511:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/9$74
Wed 5/2211:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/295:50 pmORD - PDX
1 stop8h 17mSpirit Airlines
Deal found 5/8$79
Wed 5/2211:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/295:50 pmORD - PDX
1 stop8h 17mSpirit Airlines
Deal found 5/8$80
Tue 6/43:57 pmPDX - ORD
1 stop12h 39mSpirit Airlines
Wed 6/58:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 5/9$82
Sat 5/1811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/258:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$84
Wed 5/2911:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 6/18:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/9$88
Sat 5/2511:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/298:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/9$90

Portland to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Portland and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Listed are some of the best fares we've found on flights departing from Portland to Illinois in 2024. More deals are always being added, so be sure to check back regularly.
Sat 5/1811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/228:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$67
Wed 5/1511:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/228:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$68
Wed 5/1511:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/188:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/9$74
Wed 5/2211:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/295:50 pmORD - PDX
1 stop8h 17mSpirit Airlines
Deal found 5/8$79
Wed 5/2211:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/295:50 pmORD - PDX
1 stop8h 17mSpirit Airlines
Deal found 5/8$80
Tue 6/43:57 pmPDX - ORD
1 stop12h 39mSpirit Airlines
Wed 6/58:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 5/9$82
Sat 5/1811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/258:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$84
Wed 5/2911:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 6/18:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/9$88
Sat 5/2511:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/298:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/9$90

Non-stop flights to Illinois from Portland

Discover non-stop flight options from Portland 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 2,717,708 searches. Data last updated May 9, 2024.
For a quicker trip, book one of these direct flights from Portland to Illinois. Select from other flights from Portland to Illinois by using the search form above.
Wed 5/2211:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/298:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$67
Wed 5/2211:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/298:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$68
Wed 5/2211:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 6/38:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$84
Sat 5/2511:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 6/128:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 5/8$98
Sat 6/111:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 6/158:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 5/8$99
Sat 9/711:51 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 9/118:26 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$100
Wed 6/1911:53 pmPDX - ORD
Nonstop4h 07mSpirit Airlines
Wed 6/268:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 5/8$103
Wed 5/2911:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sun 6/28:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$104
Wed 7/1011:56 pmPDX - ORD
Nonstop4h 07mSpirit Airlines
Tue 7/168:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 5/8$107

Portland to Illinois flights leaving soon

Find last-minute flight options from Portland 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 2,717,708 searches. Data last updated May 9, 2024.
Users seeking a last-minute flight from Portland 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.
Sat 5/1811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/228:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$67
Wed 5/1511:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/228:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$68
Sat 5/1811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/258:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$84
Wed 5/1511:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/184:05 pmORD - PDX
1 stop10h 02mSpirit Airlines
Deal found 5/8$94
Thu 5/1611:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 5/208:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$99
Tue 5/143:57 pmPDX - ORD
1 stop12h 33mSpirit Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/7$104
Sat 5/1811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 5/208:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$106
Thu 5/1611:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sun 5/198:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 5/8$120
Sat 5/1811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 5/251:13 pmORD - PDX
1 stop12h 54mSpirit Airlines
Deal found 5/8$126

One-way flights to Illinois from Portland

Search for one-way flight options from Portland 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 2,717,708 searches. Data last updated May 9, 2024.
Take a look at some of the one-way flights we've detected from Portland to Illinois. Those needing a return flight from Portland to Illinois can use the search form above.
Tue 6/43:57 pmPDX - STL
1 stop19h 08mSpirit Airlines
Deal found 5/8$61
Thu 5/2310:54 pmPDX - STL
1 stop9h 19mFrontier
Deal found 5/8$66
Tue 5/218:07 amPDX - MDW
1 stop7h 05mFrontier
Deal found 5/8$69
Wed 5/228:20 pmPDX - STL
2 stops11h 53mFrontier
Deal found 5/8$72
Thu 5/2310:54 pmPDX - MDW
1 stop28h 56mFrontier
Deal found 5/9$75
Sat 5/254:00 pmPDX - MDW
2 stops11h 50mFrontier
Deal found 5/9$87
Fri 5/2412:48 amPDX - STL
1 stop6h 37mFrontier
Deal found 5/8$87
Sat 6/86:25 pmPDX - MDW
2 stops8h 56mFrontier
Deal found 5/8$88
Thu 7/1111:56 pmPDX - ORD
Nonstop4h 07mSpirit Airlines
Deal found 5/8$90

Find flights from Portland to Illinois within your budget

Customize your flight search to find flights from Portland 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 2,717,708 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$141 - $289

Route

Depart

Return

Price

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Sat 5/25

1 stop7h 46m

Chicago O'Hare Intl

Mon 5/27

Nonstop4h 30m

$141

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Sat 6/8

1 stop6h 59m

Chicago O'Hare Intl

Wed 6/26

Nonstop4h 27m

$142

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Sat 6/1

2 stops11h 00m

Chicago O'Hare Intl

Sat 6/15

Nonstop4h 27m

$150

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

Thu 5/23

1 stop9h 19m

Lambert-St Louis

Tue 5/28

1 stop26h 59m

$164

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Tue 7/2

Nonstop4h 05m

Chicago O'Hare Intl

Wed 7/3

Nonstop4h 28m

$189

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Tue 6/4

Nonstop4h 05m

Chicago O'Hare Intl

Tue 6/11

Nonstop4h 20m

$209

PortlandChicago Midway

PDX - MDW

PDXMDW

Portland

Mon 10/21

1 stop5h 51m

Chicago Midway

Sat 10/26

1 stop6h 57m

$226

PortlandChicago O'Hare Intl

PDX - ORD

PDXORD

Portland

Sun 6/9

Nonstop3h 58m

Chicago O'Hare Intl

Tue 6/18

1 stop6h 21m

$227

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

Thu 8/22

1 stop10h 25m

Lambert-St Louis

Sun 8/25

1 stop10h 03m

$289

Flights are sorted by cheapest first

Deals found on 5/8

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 May 9, 2024.
Read reviews from past customers who have flown American Airlines, Alaska Airlines and United Airlines from Portland to Illinois. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

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
9,142 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
10,778 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

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

Allegiant Air
7.5
Good
1,024 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

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
11,027 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

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
14,665 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

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 Portland to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Illinois?

    Located just 6.0 mi from the city center, Portland (PDX) is the airport most travelers will use when flying to Illinois from Portland.

  • Can I find flights from Portland to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Portland to Illinois for under $200. The cheapest flight booked recently is on Spirit Airlines for just $141, but on average you can expect to pay $150.

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

    Cheapflights has at least 20 direct flights from Portland to Illinois under $100. A good price for a nonstop flight from Portland to Illinois is less than $110.

  • Are there last-minute flights available from Portland to Illinois for under $100?

    There are currently 20+ open flights from Portland to Illinois within the next 7 days for less than $100.

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

    Days when nonstop flights are available for this flight are: Tuesday, Thursday, Friday, Saturday.

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

    On average 14 flights depart from Portland to Illinois per day.
    Morning (6am - Noon) - 64% of flight departures
    Evening (6pm - Midnight) - 36% of flight departures

  • How long is the flight from Portland to Illinois?

    Airlines like Spirit Airlines and Frontier fly from Portland to Illinois in about 7h 46m. The time it takes to get you to your destination can typically vary by up to 1h 33m. 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 Portland to Illinois one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $61. Frontier flights start at $66 while deals on Alaska Airlines start at $95 one-way.

  • What are the most popular routes from Portland to Illinois?

    When deciding which route to take from Portland to Illinois consider Portland - Chicago O'Hare Intl, Portland - Chicago Midway or Portland - Lambert-St Louis as they are the most popular.

  • What are the most popular airlines that fly from Portland to Illinois?

    Before booking your flight from Portland to Illinois check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

  • What are the most reliable airlines from Portland to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portland to Illinois on time: Scandinavian Airlines (95%), Alaska Airlines (93%), United Airlines (92%).

  • What are the cheapest flights from Portland to Illinois?

    On average you can expect to pay $1,231 for a flight from Portland to Illinois. The cheapest flight overall is $98 while the most popular route, (Portland - Chicago O'Hare Intl) is currently priced at $67.

  • What does PDX to ORD mean?

    Great question - PDX to ORD just means Portland Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

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

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

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

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

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

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

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

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

    Many airlines flying from Portland 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 Portland to Illinois?

    Yes, you can often find last-minute deals on Portland 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 Portland to Illinois flight deals updated?

    The Portland to Illinois flight deals you see on this page were last updated on 5/9.

See more FAQs

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Alternative routes for Portland to Illinois
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Top 6 airlines flying from Portland to Illinois

Discover the top 6 airlines that operate flights from Portland 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 2,717,708 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$233FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$88Average$187FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest$149Average$348FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$150Average$500FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$200Average$517FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$218Average$529FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Portland to Illinois by cabin class

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

Find hourly flight availability from Portland 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 May 9, 2024.
4%of flight departuresEarly morningMidnight to 6 am
50%of flight departuresMorning6 am to noon
16%of flight departuresAfternoonNoon to 6 pm
30%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to Illinois, users can toggle the no change fees filter when performing a flight search.

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

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