Cheap flights from Portland (PDX) to Illinois from $47
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 5/21. 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 24 — May 11
From?
To?
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 16 days in advance, which can save you up to 124% on flights from Portland 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 Portland to Illinois?
Our data shows that January tends to be the cheapest month to fly to Illinois from Portland. Users have commonly found prices around $377 for the month, but tickets can be as low as $149. 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 3,138,949 searches. Data last updated April 19, 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 5/2111:54 pmPDX - ORD
Nonstop4h 06mAmerican Airlines
Sat 6/228:30 pmORD - PDX
Nonstop4h 28mAmerican Airlines
Deal found 4/18$197
Thu 6/611:55 pmPDX - ORD
Nonstop4h 05mAmerican Airlines
Tue 6/118:30 pmORD - PDX
Nonstop4h 28mAmerican Airlines
Deal found 4/18$240
Fri 6/286:24 pmPDX - ORD
1 stop9h 00mAmerican Airlines
Tue 7/28:30 pmORD - PDX
Nonstop4h 28mAmerican Airlines
Deal found 4/18$262
Thu 5/2312:08 amPDX - ORD
Nonstop4h 05mAmerican Airlines
Sat 6/18:25 pmORD - PDX
Nonstop4h 28mAmerican Airlines
Deal found 4/18$267
Wed 6/512:59 amPDX - ORD
1 stop6h 56mAmerican Airlines
Tue 6/115:05 amORD - PDX
1 stop7h 28mAmerican Airlines
Deal found 4/18$270
Sat 8/3112:04 pmPDX - CMI
1 stop6h 32mAmerican Airlines
Wed 9/47:20 amCMI - PDX
1 stop7h 03mAmerican Airlines
Deal found 4/18$742
Thu 4/251:32 pmPDX - ORD
Nonstop3h 58mAmerican Airlines
Wed 5/110:06 amORD - PDX
Nonstop4h 31mAmerican Airlines
Deal found 4/19$821
Fri 4/261:32 pmPDX - BMI
1 stop6h 29mAmerican Airlines
Mon 4/296:00 amBMI - PDX
1 stop8h 37mAmerican Airlines
Deal found 4/19$825
Cheap Spirit Airlines flights from Portland to Illinois
Explore cheap flight options specifically provided by Spirit 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 3,138,949 searches. Data last updated April 19, 2024.
Some of the best deals we've found on Spirit Airlines flights traveling from Portland to Illinois. Deals are refreshing constantly so come back soon for more options.
Fri 6/711:53 pmPDX - ORD
Nonstop4h 07mSpirit Airlines
Sun 6/98:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 4/18$180
Tue 5/75:32 amPDX - ORD
3 stops25h 52mSpirit Airlines
Sun 5/198:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/18$185
Thu 5/3012:00 pmPDX - ORD
1 stop16h 40mSpirit Airlines
Mon 6/37:52 pmORD - PDX
1 stop17h 13mSpirit Airlines
Deal found 4/18$191
Fri 5/2411:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 5/278:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/18$192
Sun 6/1611:53 pmPDX - ORD
Nonstop4h 07mSpirit Airlines
Wed 6/268:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 4/18$193
Tue 5/75:32 amPDX - ORD
3 stops25h 52mSpirit Airlines
Sun 5/128:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/17$199
Tue 5/712:09 pmPDX - ORD
2 stops15h 54mSpirit Airlines
Mon 5/138:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/17$203
Fri 5/1011:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 5/136:53 pmORD - PDX
3 stops22h 14mSpirit Airlines
Deal found 4/18$220
Thu 5/1611:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 5/207:00 amORD - PDX
3 stops30h 05mSpirit Airlines
Deal found 4/17$224
Cheap Portland to Illinois flights in April & May 2024
Find cheap flight options from Portland 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 3,138,949 searches. Prices were last updated on April 19, 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.
Mon 5/208:40 amPDX - STL
1 stop10h 51mFrontier
Wed 5/227:23 pmSTL - PDX
1 stop28h 41mFrontier
Deal found 4/18$89
Mon 5/1310:10 amPDX - STL
1 stop21h 59mFrontier
Mon 5/207:23 pmSTL - PDX
1 stop18h 58mFrontier
Deal found 4/18$100
Tue 5/1412:59 amPDX - STL
1 stop6h 48mFrontier
Wed 5/227:23 pmSTL - PDX
1 stop28h 41mFrontier
Deal found 4/19$113
Wed 5/1512:48 amPDX - STL
1 stop19h 18mFrontier
Wed 5/227:23 pmSTL - PDX
1 stop28h 41mFrontier
Deal found 4/18$114
Sun 5/1212:59 amPDX - STL
1 stop6h 48mFrontier
Mon 5/2010:21 pmSTL - PDX
1 stop12h 28mFrontier
Deal found 4/18$116
Sat 5/410:20 amPDX - STL
1 stop21h 58mFrontier
Wed 5/88:04 pmSTL - PDX
2 stops21h 48mFrontier
Deal found 4/18$119
Fri 5/177:54 pmPDX - STL
2 stops12h 19mFrontier
Tue 5/212:12 pmSTL - PDX
2 stops31h 08mFrontier
Deal found 4/17$124
Tue 5/1412:59 amPDX - STL
1 stop6h 48mFrontier
Tue 5/217:23 pmSTL - PDX
2 stops25h 57mFrontier
Deal found 4/18$126
Mon 5/612:59 amPDX - STL
1 stop12h 51mFrontier
Thu 5/910:59 pmSTL - PDX
1 stop12h 16mFrontier
Deal found 4/18$130
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 3,138,949 searches. Data last updated April 19, 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.
Mon 5/208:40 amPDX - STL
1 stop10h 51mFrontier
Wed 5/227:23 pmSTL - PDX
1 stop28h 41mFrontier
Deal found 4/18$89
Mon 5/1310:10 amPDX - STL
1 stop21h 59mFrontier
Mon 5/207:23 pmSTL - PDX
1 stop18h 58mFrontier
Deal found 4/18$100
Tue 5/1412:59 amPDX - STL
1 stop6h 48mFrontier
Wed 5/227:23 pmSTL - PDX
1 stop28h 41mFrontier
Deal found 4/19$113
Wed 5/1512:48 amPDX - STL
1 stop19h 18mFrontier
Wed 5/227:23 pmSTL - PDX
1 stop28h 41mFrontier
Deal found 4/18$114
Sun 5/1212:59 amPDX - STL
1 stop6h 48mFrontier
Mon 5/2010:21 pmSTL - PDX
1 stop12h 28mFrontier
Deal found 4/18$116
Sat 5/410:20 amPDX - STL
1 stop21h 58mFrontier
Wed 5/88:04 pmSTL - PDX
2 stops21h 48mFrontier
Deal found 4/18$119
Fri 5/177:54 pmPDX - STL
2 stops12h 19mFrontier
Tue 5/212:12 pmSTL - PDX
2 stops31h 08mFrontier
Deal found 4/17$124
Tue 5/1412:59 amPDX - STL
1 stop6h 48mFrontier
Tue 5/217:23 pmSTL - PDX
2 stops25h 57mFrontier
Deal found 4/18$126
Mon 5/612:59 amPDX - STL
1 stop12h 51mFrontier
Thu 5/910:59 pmSTL - PDX
1 stop12h 16mFrontier
Deal found 4/18$130
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 3,138,949 searches. Data last updated April 19, 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 4/18$107
Sat 5/1111:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Wed 5/158:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/17$109
Thu 5/2311:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sat 6/18:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/18$123
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Fri 5/108:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/18$124
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Thu 5/168:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/17$126
Thu 6/611:53 pmPDX - ORD
Nonstop4h 07mSpirit Airlines
Wed 6/128:26 pmORD - PDX
Nonstop4h 27mSpirit Airlines
Deal found 4/17$131
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Sun 5/198:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/18$133
Thu 5/1611:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 5/208:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/17$140
Thu 5/911:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Mon 5/138:00 pmORD - PDX
Nonstop4h 30mSpirit Airlines
Deal found 4/18$141
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 3,138,949 searches. Data last updated April 19, 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.
Wed 4/2410:09 pmPDX - ORD
1 stop11h 36mFrontier
Sat 4/276:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/18$160
Wed 4/2410:09 pmPDX - ORD
1 stop11h 36mFrontier
Sat 4/276:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/18$162
Fri 4/2612:49 amPDX - ORD
1 stop22h 07mMultiple Airlines
Sat 5/118:00 pmORD - PDX
Nonstop4h 30mMultiple Airlines
Deal found 4/17$165
Fri 4/2612:49 amPDX - ORD
1 stop22h 07mFrontier
Sat 5/116:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/17$169
Sat 4/2712:59 amPDX - ORD
1 stop21h 57mMultiple Airlines
Sat 5/118:00 pmORD - PDX
Nonstop4h 30mMultiple Airlines
Deal found 4/17$175
Sun 4/2812:59 amPDX - ORD
1 stop21h 57mFrontier
Fri 5/36:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/18$180
Wed 4/2410:09 pmPDX - ORD
1 stop11h 36mFrontier
Mon 4/296:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/19$181
Mon 4/2910:16 pmPDX - ORD
1 stop11h 13mFrontier
Fri 5/36:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/18$188
Fri 4/2610:16 pmPDX - ORD
1 stop11h 13mFrontier
Sat 4/276:27 pmORD - PDX
1 stop7h 32mFrontier
Deal found 4/18$189
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 3,138,949 searches. Data last updated April 19, 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 5/2111:57 amPDX - STL
1 stop7h 42mFrontier
Deal found 4/19$47
Wed 5/811:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Deal found 4/18$54
Tue 5/218:07 amPDX - MDW
1 stop7h 05mFrontier
Deal found 4/19$60
Fri 5/1711:30 pmPDX - ORD
Nonstop3h 50mSpirit Airlines
Deal found 4/18$64
Mon 5/1312:59 amPDX - MDW
1 stop8h 39mFrontier
Deal found 4/18$64
Mon 5/1310:16 pmPDX - ORD
1 stop11h 13mFrontier
Deal found 4/18$65
Sun 5/1910:54 pmPDX - STL
1 stop9h 19mFrontier
Deal found 4/18$69
Wed 5/810:09 pmPDX - ORD
1 stop11h 36mFrontier
Deal found 4/17$70
Sat 5/116:06 pmPDX - MDW
1 stop12h 25mFrontier
Deal found 4/18$70
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 3,138,949 searches. Data last updated April 19, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$118 - $287
Route
Depart
Return
Price
PortlandChicago Midway
PDX - MDW
PDXMDW
Portland
Sat 5/4
1 stop12h 25m
Chicago Midway
Wed 5/8
1 stop27h 46m
$118
PortlandChicago Midway
PDX - MDW
PDXMDW
Portland
Sat 5/4
1 stop12h 25m
Chicago Midway
Wed 5/8
1 stop27h 46m
$122
PortlandChicago Midway
PDX - MDW
PDXMDW
Portland
Tue 5/7
1 stop13h 17m
Chicago Midway
Wed 5/15
1 stop27h 18m
$127
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Wed 5/8
1 stop14h 35m
Chicago O'Hare Intl
Tue 5/14
1 stop10h 41m
$179
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Fri 6/7
Nonstop4h 07m
Chicago O'Hare Intl
Sun 6/9
Nonstop4h 27m
$180
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Tue 5/21
Nonstop4h 06m
Chicago O'Hare Intl
Sat 6/22
Nonstop4h 28m
$197
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Thu 6/6
1 stop7h 49m
Chicago O'Hare Intl
Tue 6/18
1 stop8h 35m
$227
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Tue 5/7
Nonstop4h 21m
Chicago O'Hare Intl
Fri 5/10
Nonstop4h 34m
$286
PortlandChicago O'Hare Intl
PDX - ORD
PDXORD
Portland
Fri 5/31
Nonstop3h 58m
Chicago O'Hare Intl
Wed 6/5
Nonstop4h 28m
$287
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 19, 2024.
Read reviews from past customers who have flown American Airlines, Spirit Airlines and Frontier 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.
9,109 reviews
Boarding
8.2
Overall
8.1
Entertainment
7.3
Crew
8.6
Food
7.3
Comfort
7.9
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
9,109 reviews
9,109 reviews
Boarding
8.2
Overall
8.1
Entertainment
7.3
Crew
8.6
Food
7.3
Comfort
7.9
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
11,094 reviews
9,109 reviews
Boarding
8.2
Overall
8.1
Entertainment
7.3
Crew
8.6
Food
7.3
Comfort
7.9
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
3,004 reviews
9,109 reviews
Boarding
8.2
Overall
8.1
Entertainment
7.3
Crew
8.6
Food
7.3
Comfort
7.9
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
1,043 reviews
9,109 reviews
Boarding
8.2
Overall
8.1
Entertainment
7.3
Crew
8.6
Food
7.3
Comfort
7.9
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
11,325 reviews
9,109 reviews
Boarding
8.2
Overall
8.1
Entertainment
7.3
Crew
8.6
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 Portland to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Portland to IllinoisSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
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 3,138,949 searches. Data last updated April 19, 2024.
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.
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 April 19, 2024.
| 4%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 63%of flight departures | Morning6 am to noon |
| 25%of flight departures | AfternoonNoon to 6 pm |
| 8%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Noon
6 PM
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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 Portland to Illinois?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Portland to Illinois?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Portland.
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?
Of course! You can now track prices for flights from Portland to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.