What are the cheapest airlines to fly from Illinois to Portland one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $98. Spirit Airlines flights start at $112 while deals on Southwest start at $114 one-way.

What are the most popular routes from Illinois to Portland?

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

What are the cheapest flights from Illinois to Portland?

Looking for the cheapest flight from Illinois to Portland? While on average our users pay $799, our data indicates the cheapest price to be $113. The most popular route (Chicago O'Hare Intl - Portland), is priced around $156.

What are the most reliable airlines from Illinois to Portland?

Before booking your flight to Portland from Illinois, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (89%), Hawaiian Airlines (89%), Brussels Airlines( 88%).

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

The most popular airlines flying from Illinois to Portland are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

How far in advance should I book a flight from Illinois to Portland?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 25 days in advance, which can save you up to 52% on flights from Illinois to Portland compared to booking the week you need them. Waiting 25 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 $218. For sooner than that we have options available in the next 3 days from $218.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Portland. Flights to Portland from Illinois in September are about $318 on average during September, but can be found for as low as $148.

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

For a flight from Illinois to Portland, you will be flying into Portland. Portland (PDX) is just 6.0 mi from the center of the city.

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

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

How can I find direct flights from Illinois to Portland?

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

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

Yes. Cheapflights offers flight deals from Illinois to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$98+ Flights from Illinois to Portland

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Cheap flight deals from Illinois to Portland

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$222 (Southwest)
One-way from	$98 (Cheapflightsfares)
Popular in	December
Cheapest in	September
Average price	$275
Good round-trip deal	$275 or less
Good one-way deal	$113 or less

Provider with most accurate pricing for Chicago (CHI)-Portland flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Portland flights.

Search Deals

From Illinois to Portland

Search Deals

One-way flight from Illinois to Portland

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Price to beat on a round-trip flight from Illinois to Portland.

Search Deals

Price to beat on a one-way flight from Illinois to Portland.

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Find flight deals from Illinois to Portland

Cheapest flights from Illinois to Portland
Explore the most affordable flight options available from Illinois to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Fri 5/306:10 pmMDW - PDX

1 stop8h 25mSouthwest

Tue 6/109:15 pmPDX - MDW

1 stop8h 20mSouthwest

Deal found 4/30

$222

Fri 5/2311:50 amORD - PDX

1 stop6h 55mSpirit Airlines

Sun 5/255:40 pmPDX - ORD

1 stop9h 45mSpirit Airlines

Deal found 4/30

$222

Sat 5/314:30 pmORD - PDX

1 stop7h 51mDelta

Wed 6/49:40 amPDX - ORD

1 stop6h 40mDelta

Deal found 4/30

$223

Thu 5/297:00 amORD - PDX

Nonstop4h 23mAlaska Airlines

Sun 6/19:30 amPDX - ORD

1 stop7h 25mAlaska Airlines

Deal found 4/30

$224

Sat 5/245:55 pmMDW - PDX

1 stop6h 20mDelta

Tue 5/2711:11 pmPDX - MDW

1 stop7h 29mDelta

Deal found 4/30

$225

Sun 5/48:14 pmORD - PDX

1 stop21h 28mMultiple Airlines

Tue 5/135:40 pmPDX - ORD

1 stop9h 45mMultiple Airlines

Deal found 4/30

$225

Fri 5/302:15 pmSTL - PDX

1 stop9h 46mDelta

Mon 6/211:11 pmPDX - STL

1 stop8h 24mDelta

Deal found 4/30

$227

Sun 5/49:55 pmSTL - PDX

1 stop19h 47mFrontier

Tue 5/66:20 amPDX - STL

1 stop25h 39mFrontier

Deal found 4/30

$228

Tue 6/31:42 pmSTL - PDX

1 stop5h 47mUnited Airlines

Sat 6/75:00 amPDX - STL

2 stops8h 30mUnited Airlines

Deal found 4/30

$232

Fri 5/96:15 amMDW - PDX

1 stop11h 27mFrontier

Sun 5/116:20 amPDX - MDW

1 stop10h 48mFrontier

Deal found 4/30

$238

Wed 5/148:45 amORD - PDX

1 stop6h 27mUnited Airlines

Tue 5/204:20 pmPDX - ORD

1 stop6h 09mUnited Airlines

Deal found 4/30

$239

Fri 5/167:00 amORD - PDX

Nonstop4h 23mHawaiian Airlines

Tue 5/205:51 pmPDX - ORD

Nonstop4h 05mHawaiian Airlines

Deal found 4/30

$245

Best flights from Illinois to Portland
Discover carefully curated flight deals from Illinois to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Fri 5/306:10 pmMDW - PDX

1 stop8h 25mSouthwest

Tue 6/109:15 pmPDX - MDW

1 stop8h 20mSouthwest

Deal found 4/30

$222

Fri 5/2311:50 amORD - PDX

1 stop6h 55mSpirit Airlines

Sun 5/255:40 pmPDX - ORD

1 stop9h 45mSpirit Airlines

Deal found 4/30

$222

Sat 5/314:30 pmORD - PDX

1 stop7h 51mDelta

Wed 6/45:35 amPDX - ORD

1 stop5h 55mDelta

Deal found 4/29

$223

Sat 5/177:00 amORD - PDX

Nonstop4h 23mHawaiian Airlines

Sat 5/245:51 pmPDX - ORD

Nonstop4h 05mHawaiian Airlines

Deal found 4/29

$224

Sun 5/48:14 pmORD - PDX

1 stop21h 28mMultiple Airlines

Wed 5/75:40 pmPDX - ORD

1 stop9h 45mMultiple Airlines

Deal found 4/30

$225

Tue 6/37:00 amORD - PDX

Nonstop4h 23mAlaska Airlines

Wed 6/115:51 pmPDX - ORD

Nonstop4h 05mAlaska Airlines

Deal found 4/29

$227

Tue 6/31:42 pmSTL - PDX

1 stop5h 47mUnited Airlines

Sat 6/75:00 amPDX - STL

2 stops8h 30mUnited Airlines

Deal found 4/30

$232

Fri 5/96:15 amMDW - PDX

1 stop11h 27mFrontier

Sun 5/116:20 amPDX - MDW

1 stop10h 48mFrontier

Deal found 4/30

$238

Thu 6/55:00 amORD - PDX

1 stop7h 43mAmerican Airlines

Mon 6/912:09 amPDX - ORD

Nonstop3h 56mAmerican Airlines

Deal found 4/30

$252

Mon 6/236:18 pmORD - PDX

1 stop6h 28mSun Country Air

Thu 7/311:59 pmPDX - ORD

1 stop10h 52mSun Country Air

Deal found 4/29

$315

Thu 6/122:16 pmPIA - PDX

2 stops20h 13mAllegiant Air

Sun 6/1510:35 amPDX - PIA

1 stop7h 18mAllegiant Air

Deal found 4/30

$403

Sat 5/245:55 pmMDW - PDX

1 stop6h 20mDelta

Tue 5/2711:11 pmPDX - MDW

1 stop7h 29mDelta

Deal found 4/30

$225

Last-minute flights from Illinois to Portland
Discover last-minute flight deals from Illinois to Portland. Data last updated May 1, 2025 and is based on user searches.

Sun 5/48:14 pmORD - PDX

1 stop21h 28mMultiple Airlines

Wed 5/75:40 pmPDX - ORD

1 stop9h 45mMultiple Airlines

Deal found 4/30

$225

Sun 5/48:14 pmORD - PDX

1 stop21h 28mMultiple Airlines

Tue 5/135:40 pmPDX - ORD

1 stop9h 45mMultiple Airlines

Deal found 4/30

$225

Sun 5/49:55 pmSTL - PDX

1 stop19h 47mFrontier

Tue 5/66:20 amPDX - STL

1 stop25h 39mFrontier

Deal found 4/30

$228

Mon 5/55:21 pmORD - PDX

1 stop9h 17mFrontier

Fri 5/91:15 pmPDX - ORD

1 stop13h 55mFrontier

Deal found 4/30

$287

Wed 5/79:00 amORD - PDX

1 stop8h 15mAlaska Airlines

Fri 5/97:00 amPDX - ORD

Nonstop4h 07mAlaska Airlines

Deal found 4/30

$229

Wed 5/76:05 pmSTL - PDX

1 stop7h 20mDelta

Thu 8/1410:55 pmPDX - STL

1 stop8h 34mDelta

Deal found 4/30

$331

Wed 5/78:48 amSTL - PDX

2 stops11h 25mUnited Airlines

Thu 8/1411:59 pmPDX - STL

1 stop8h 41mUnited Airlines

Deal found 4/30

$400

Thu 5/811:50 amORD - PDX

1 stop6h 55mSpirit Airlines

Wed 5/141:37 pmPDX - ORD

1 stop19h 18mSpirit Airlines

Deal found 4/30

$232

Thu 5/83:08 pmSTL - PDX

1 stop9h 15mAlaska Airlines

Sat 5/104:00 pmPDX - STL

1 stop5h 59mAlaska Airlines

Deal found 4/30

$382

Thu 5/86:55 pmORD - PDX

1 stop6h 35mSouthwest

Mon 5/1910:20 amPDX - ORD

2 stops10h 45mSouthwest

Deal found 4/30

$415

Fri 5/92:07 pmORD - PDX

Nonstop4h 33mHawaiian Airlines

Sun 5/117:00 amPDX - ORD

Nonstop4h 07mHawaiian Airlines

Deal found 4/30

$224

Fri 5/96:15 amMDW - PDX

1 stop11h 27mFrontier

Sun 5/116:20 amPDX - MDW

1 stop10h 48mFrontier

Deal found 4/30

$238

One-way flights from Illinois to Portland
Search for one-way flight options from Illinois to Portland. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Sat 5/317:55 pmSTL - PDX

1 stop6h 22mFrontier

Deal found 4/30

$98

Fri 5/3010:00 amORD - PDX

3 stops32h 45mSpirit Airlines

Deal found 4/30

$112

Sat 6/79:10 pmMDW - PDX

Nonstop4h 25mSouthwest

Deal found 4/29

$114

Tue 7/297:00 amORD - PDX

Nonstop4h 25mAlaska Airlines

Deal found 4/30

$114

Tue 7/297:15 pmSTL - PDX

1 stop6h 20mDelta

Deal found 5/1

$114

Thu 5/292:44 pmMDW - PDX

1 stop11h 33mFrontier

Deal found 4/29

$115

Sun 6/89:56 pmORD - PDX

1 stop16h 59mFrontier

Deal found 4/30

$116

Sat 7/53:25 pmSTL - PDX

1 stop10h 10mSouthwest

Deal found 4/30

$119

Sat 7/124:00 pmORD - PDX

1 stop7h 40mSouthwest

Deal found 4/30

$123

Tue 7/296:15 pmORD - PDX

1 stop8h 13mDelta

Deal found 4/30

$124

Mon 6/27:00 amORD - PDX

Nonstop4h 23mHawaiian Airlines

Deal found 4/30

$125

Tue 7/225:20 pmMLI - PDX

1 stop7h 09mUnited Airlines

Deal found 4/30

$126

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPortland

MDW - PDX

MDWPDX

Chicago Midway

Fri 5/30

6:10 pm-12:35 am

1 stop8h 25m

Portland

Tue 6/10

9:15 pm-7:35 am

1 stop8h 20m

$222

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Fri 5/23

11:50 am-4:45 pm

1 stop6h 55m

Portland

Sun 5/25

5:40 pm-5:25 am

1 stop9h 45m

$222

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Sat 5/31

4:30 pm-10:21 pm

1 stop7h 51m

Portland

Wed 6/4

9:40 am-6:20 pm

1 stop6h 40m

$223

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Thu 5/29

7:00 am-9:23 am

Nonstop4h 23m

Portland

Sun 6/1

9:30 am-6:55 pm

1 stop7h 25m

$224

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Thu 5/15

8:14 pm-3:42 pm

1 stop21h 28m

Portland

Wed 5/21

5:40 pm-10:55 am

1 stop15h 15m

$225

ChicagoPortland

MDW - PDX

MDWPDX

Chicago Midway

Sat 5/24

5:55 pm-10:15 pm

1 stop6h 20m

Portland

Tue 5/27

11:11 pm-8:40 am

1 stop7h 29m

$225

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 5/30

2:15 pm-10:01 pm

1 stop9h 46m

Portland

Mon 6/2

11:11 pm-9:35 am

1 stop8h 24m

$227

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 6/3

1:42 pm-5:29 pm

1 stop5h 47m

Portland

Sat 6/7

5:00 am-3:30 pm

2 stops8h 30m

$232

ChicagoPortland

MDW - PDX

MDWPDX

Chicago Midway

Fri 5/9

6:15 am-3:42 pm

1 stop11h 27m

Portland

Sun 5/11

6:20 am-7:08 pm

1 stop10h 48m

$238

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 5/31

7:55 pm-12:17 am

1 stop6h 22m

Portland

Fri 6/6

5:50 pm-10:08 am

1 stop14h 18m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results

...

Best time to book a flight from Illinois to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Illinois with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Portland

What is the cheapest month to book a flight from Illinois to Portland?

Currently, November is the cheapest month in which you can book a flight from Illinois to Portland (average of $277). Flying from Illinois to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to PDX?

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

Weekly flight availability from Illinois to Portland

The most flights from USIL to PDX are scheduled on a Wednesday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Portland by month

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Illinois to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,972 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,294 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,934 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,408 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What airport do you fly into for flights to Portland from Illinois?
For a flight from Illinois to Portland, you will be flying into Portland. Portland (PDX) is just 6.0 mi from the center of the city.
What are the cheapest airlines to fly from Illinois to Portland one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $98. Spirit Airlines flights start at $112 while deals on Southwest start at $114 one-way.
What are the most popular routes from Illinois to Portland?
When deciding which route to take from Illinois to Portland consider Chicago O'Hare Intl - Portland, Chicago Midway - Portland or Lambert-St Louis - Portland as they are the most popular.
What are the most reliable airlines from Illinois to Portland?
Before booking your flight to Portland from Illinois, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (89%), Hawaiian Airlines (89%), Brussels Airlines( 88%).
What are the cheapest flights from Illinois to Portland?
Looking for the cheapest flight from Illinois to Portland? While on average our users pay $799, our data indicates the cheapest price to be $113. The most popular route (Chicago O'Hare Intl - Portland), is priced around $156.
Can I find deals for flights from Illinois to Portland that include hotel bookings?
Yes. In addition to deals on Illinois to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Portland.
Can I find deals for business class flights from Illinois to Portland?
Yes. Cheapflights offers flight deals from Illinois to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Illinois to Portland?
Currently, November is the cheapest month in which you can book a flight from Illinois to Portland (average of $277). Flying from Illinois to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Beaverton

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Seaside

Clackamas

Vancouver

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Hillsboro

Gresham

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Long Beach

Cannon Beach

Tigard

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Woodburn

Depoe Bay

Pacific City

Stevenson

Troutdale

Longview

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Illinois to Portland

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$82	Average$139	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$108	Average$220	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$134	Average$289	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$176	Average$366	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$178	Average$287	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$198	Average$515	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$218	Average$477	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$238	Average$429	FlexibilityNo cancel fee	On-time63%

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$98+ Cheap flights from Illinois to Portland (PDX)

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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Portland with Cheapflights

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Cheap flight deals from Illinois to Portland

Keep the following information in mind while searching for Illinois to Portland flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Illinois to Portland

Cheapest flights from Illinois to PortlandExplore the most affordable flight options available from Illinois to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Illinois to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Portland that are best for you.

Best time to book a flight from Illinois to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Illinois with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Portland

What is the cheapest month to book a flight from Illinois to Portland?

What is the cheapest time of day to fly from IL to PDX?

Find hourly flight availability from Illinois to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Weekly flight availability from Illinois to Portland

Explore weekly flight availability from Illinois to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 1, 2025.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

Reviews of airlines servicing Portland

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Illinois to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Portland. 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 into for flights to Portland from Illinois?

What are the cheapest airlines to fly from Illinois to Portland one-way?

What are the most popular routes from Illinois to Portland?

What are the most reliable airlines from Illinois to Portland?

What are the cheapest flights from Illinois to Portland?

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

How can I find direct flights from Illinois to Portland?

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

What is the cheapest month to book a flight from Illinois to Portland?

Traveling to a place near Illinois?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Illinois to Portland

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Cheapest flights from Illinois to Portland
Explore the most affordable flight options available from Illinois to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.