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

As of December 2025, there are 15 flights per day flying from Illinois to Portland. The most common time of day flights depart is 4:00PM, with 36% of flights taking off in the afternoon.

What airlines fly to Portland?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Portland from Illinois according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 7 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Portland?

On average, it takes 4h 20m to fly from Illinois to Portland if you fly out of Chicago (the most popular airport in Illinois) and into Portland (the most popular airport in Portland). If you’re flying out of Moline and into Portland, then the flight time is around 6h 59m.

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

As of December 2025, 106 flights take off from Illinois and land in Portland each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.

What is the cheapest airline that flies from Illinois to Portland?

Frontier, Southwest, and Delta are the most popular carriers operating from Illinois to Portland

When did momondo last update prices for flights from Illinois to Portland Airport?

Prices for flights from Illinois to Portland Airport refresh daily.

How many operators does momondo search for flights from Illinois to Portland Airport?

As of December 2025, there are 8 operators available to choose from for flights from Illinois to Portland Airport.

How old do you have to be to fly from Illinois to Portland Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$113 Cheap Flights from Illinois to Portland in 2025/26

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Find the cheapest flights from Illinois to Portland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:54 pm - 8:27 pm

ORD

PDX

4h 33mnonstop

6:00 am - 12:15 pm

PDX

ORD

4h 15mnonstop

$219American Airlines

Sat, Jan 17 - Sat, Jan 24

9:10 am - 11:57 am

ORD

PDX

4h 47mnonstop

1:24 pm - 9:15 pm

PDX

ORD

5h 51m1 stop

$223United Airlines

Wed, Jan 21 - Tue, Jan 27

8:35 am - 11:15 am

MDW

PDX

4h 40mnonstop

8:45 am - 4:25 pm

PDX

MDW

5h 40m1 stop

$227Southwest

Sat, Jan 17 - Sat, Jan 24

7:50 pm - 10:32 pm

ORD

PDX

4h 42mnonstop

10:47 am - 4:48 pm

PDX

ORD

4h 01mnonstop

$227United Airlines

Fri, Jan 16 - Sat, Jan 31

2:06 pm - 4:48 pm

ORD

PDX

4h 42mnonstop

11:59 am - 9:24 pm

PDX

ORD

7h 25m1 stop

$229Multiple Airlines

Thu, Jan 15 - Fri, Jan 16

8:35 am - 11:15 am

MDW

PDX

4h 40mnonstop

8:45 am - 6:30 pm

PDX

MDW

7h 45m2 stops

$232Southwest

Sat, Jan 17 - Sat, Jan 24

9:00 am - 2:48 pm

ORD

PDX

7h 48m1 stop

1:24 pm - 9:15 pm

PDX

ORD

5h 51m1 stop

$232United Airlines

Wed, Jan 21 - Tue, Jan 27

10:01 pm - 9:49 am

STL

PDX

13h 48m1 stop

11:28 am - 9:06 pm

PDX

STL

7h 38m1 stop

$233Frontier

Thu, Jan 22 - Thu, Jan 29

5:29 pm - 10:41 pm

ORD

PDX

7h 12m1 stop

2:31 pm - 11:59 pm

PDX

ORD

7h 28m1 stop

$236Alaska Airlines

Wed, Feb 18 - Tue, Feb 24

5:29 pm - 8:49 am

ORD

PDX

17h 20m1 stop

7:00 am - 1:11 pm

PDX

ORD

4h 11mnonstop

$241Alaska Airlines

Sat, Feb 14 - Wed, Feb 18

Frontier flights from Illinois to Portland

Our best Frontier deals on Illinois to Portland flight tickets

Frontier

Jan 22

STL10:01 pmLambert-St Louis

13h 48m

1 stop

PDX9:49 amPortland

Jan 29

PDX11:28 amPortland

7h 38m

1 stop

STL9:06 pmLambert-St Louis

$233

Find similar

Frontier

Jan 17

ORD6:02 pmChicago O'Hare Intl

15h 21m

1 stop

PDX7:23 amPortland

Jan 18

PDX11:29 amPortland

22h 39m

2 stops

ORD12:08 pmChicago O'Hare Intl

$259

Find similar

Frontier

Jan 22

ORD7:41 pmChicago O'Hare Intl

26h 46m

2 stops

PDX8:27 pmPortland

Jan 29

PDX11:28 amPortland

31h 01m

1 stop

ORD8:29 pmChicago O'Hare Intl

$261

Find similar

Southwest flights from Illinois to Portland

Our best Southwest deals on Illinois to Portland flight tickets

Southwest

Jan 17

MDW8:35 amChicago Midway

4h 40m

PDX11:15 amPortland

Jan 24

PDX8:45 amPortland

5h 40m

1 stop

MDW4:25 pmChicago Midway

$227

Find similar

Southwest

Jan 17

MDW8:35 amChicago Midway

4h 40m

PDX11:15 amPortland

Jan 24

PDX8:45 amPortland

7h 45m

2 stops

MDW6:30 pmChicago Midway

$232

Find similar

Southwest

Jan 17

MDW4:05 pmChicago Midway

6h 25m

1 stop

PDX8:30 pmPortland

Jan 18

PDX7:25 amPortland

7h 50m

1 stop

MDW5:15 pmChicago Midway

$236

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Sat 1/17

5:54 pm-8:27 pm

Nonstop4h 33m

Portland

Sat 1/24

6:00 am-12:15 pm

Nonstop4h 15m

$219

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Wed 1/21

9:10 am-11:57 am

Nonstop4h 47m

Portland

Tue 1/27

1:24 pm-9:15 pm

1 stop5h 51m

$223

ChicagoPortland

MDW - PDX

MDWPDX

Chicago Midway

Sat 1/17

8:35 am-11:15 am

Nonstop4h 40m

Portland

Sat 1/24

8:45 am-4:25 pm

1 stop5h 40m

$227

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Fri 1/16

7:50 pm-10:32 pm

Nonstop4h 42m

Portland

Sat 1/31

10:47 am-4:48 pm

Nonstop4h 01m

$227

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Thu 1/15

2:06 pm-4:48 pm

Nonstop4h 42m

Portland

Fri 1/16

11:59 am-9:24 pm

1 stop7h 25m

$229

ChicagoPortland

MDW - PDX

MDWPDX

Chicago Midway

Sat 1/17

8:35 am-11:15 am

Nonstop4h 40m

Portland

Sat 1/24

8:45 am-6:30 pm

2 stops7h 45m

$232

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Wed 1/21

9:00 am-2:48 pm

1 stop7h 48m

Portland

Tue 1/27

1:24 pm-9:15 pm

1 stop5h 51m

$232

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 1/22

10:01 pm-9:49 am

1 stop13h 48m

Portland

Thu 1/29

11:28 am-9:06 pm

1 stop7h 38m

$233

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Wed 2/18

5:29 pm-10:41 pm

1 stop7h 12m

Portland

Tue 2/24

2:31 pm-11:59 pm

1 stop7h 28m

$236

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Sat 2/14

5:29 pm-8:49 am

1 stop17h 20m

Portland

Wed 2/18

7:00 am-1:11 pm

Nonstop4h 11m

$241

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How to get the cheapest flight ticket from Illinois to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Illinois is in January. Flight prices, which tend to average around $266, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until September to fly from Illinois, when ticket prices are also cheap, with an average price of $280.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $330. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Monday, with ticket prices averaging around $406.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $319. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $474 per ticket.

What is the cheapest Illinois to Portland flight route?

Fly from Chicago Midway to Portland for the best Illinois - Portland flight prices

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

You are more likely to see cheaper flights to Portland from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $335 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Illinois for as low as $267 on momondo.

What cabin class options are available on Illinois to Portland flights?

There are 4 cabin classes available to choose from on Illinois to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Portland flights?

You could potentially save up to 8% on your flight if you consider stops on a Illinois to Portland flight.

Cheap Illinois to Portland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Portland

Best Price Found	$118
Fastest flight time	4h 10m
Direct flights	Every day
Airports in Portland	1 airport

The best one-way flight to Portland from Illinois in the past 72 hours is $118. The best round-trip flight deal from Illinois to Portland found on momondo in the last 72 hours is $268.

The fastest flight from Illinois to Portland takes 4h 10m

Direct flights go from Illinois to Portland every day.

There is 1 airport in Portland. From Illinois there are direct flights to Portland (PDX).

Search flight deals

When did momondo last update prices for flights from Illinois to Portland Airport?
Prices for flights from Illinois to Portland Airport refresh daily.
How many operators does momondo search for flights from Illinois to Portland Airport?
As of December 2025, there are 8 operators available to choose from for flights from Illinois to Portland Airport.
How old do you have to be to fly from Illinois to Portland Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Portland?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Portland is Boeing 737-800 (25.13% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (16.45%), Boeing 737 MAX 9 (15.34%), and Boeing 737-900 (13.60%).

Best airlines flying from Illinois to Portland

Compare and see reviews for airlines that fly from Illinois to Portland with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $93	Free Cancellation	Rating 6.3 8,208 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $134	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $138	Free Cancellation	Rating 5.8 3,070 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $199	Free Cancellation	Rating 8.0 11,540 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $211	Free Cancellation	Rating 7.4 9,116 reviews	Search United Airlines flights
American Airlines	PriceFrom $213	Free Cancellation	Rating 7.2 11,065 reviews	Search American Airlines flights
Southwest	PriceFrom $238	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights

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Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Portland?

Finding the right flight to Portland from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portland quick and easy, saving you time and money.

Can I find flights from Illinois to Portland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portland from Illinois with this policy.

How can momondo help me find flights from Illinois to Portland?

Once all potential Illinois to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Illinois and alert you when they change.

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Illinois to Portland from $113

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Portland departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Illinois to Portland

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How to get the cheapest flight ticket from Illinois to Portland

What is the cheapest month to fly to Portland?

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $330. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Monday, with ticket prices averaging around $406.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $319. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $474 per ticket.

What is the cheapest Illinois to Portland flight route?

Fly from Chicago Midway to Portland for the best Illinois - Portland flight prices

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

What cabin class options are available on Illinois to Portland flights?

There are 4 cabin classes available to choose from on Illinois to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Portland flights?

You could potentially save up to 8% on your flight if you consider stops on a Illinois to Portland flight.

What is the cheapest airline that flies from Illinois to Portland?

Frontier, Southwest, and Delta are the most popular carriers operating from Illinois to Portland

What airlines fly to Portland?

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

As of December 2025, there are 15 flights per day flying from Illinois to Portland. The most common time of day flights depart is 4:00PM, with 36% of flights taking off in the afternoon.

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

As of December 2025, 106 flights take off from Illinois and land in Portland each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.

How long does it take to fly to Portland?

On average, it takes 4h 20m to fly from Illinois to Portland if you fly out of Chicago (the most popular airport in Illinois) and into Portland (the most popular airport in Portland). If you’re flying out of Moline and into Portland, then the flight time is around 6h 59m.

Cheap Illinois to Portland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Portland

Best Price Found

Fastest flight time

Direct flights

Airports in Portland

When did momondo last update prices for flights from Illinois to Portland Airport?

How many operators does momondo search for flights from Illinois to Portland Airport?

How old do you have to be to fly from Illinois to Portland Airport?

What documentation or ID do you need to fly to Portland Airport?

What is the most popular plane model from Illinois to Portland?

Best airlines flying from Illinois to Portland

Compare and see reviews for airlines that fly from Illinois to Portland with momondo

Traveling to a place near Portland?

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Portland?

Can I find flights from Illinois to Portland with flexible booking policies on momondo?

How can momondo help me find flights from Illinois to Portland?

I’m not ready to book a flight from Illinois to Portland right now. Can momondo alert me if prices change?

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Oregon