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Cheap flights from Portland (PWM) to Illinois from $39

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 7/4. 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.
PWM — ORD
may. 15 — may. 221
From?
To?
mié. 5/15
mié. 5/22
1 adult, Economy
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How far in advance should I book a flight from Portland, Maine to Illinois?

To save on the cost of your flight from Portland, Maine to Illinois, book at least 44 days before your planned departure. Booking around this time can save you about 101% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $329 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $539.

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

September is one of the best times of the year to fly to Illinois from Portland, Maine. Prices for September average $411 per person but you can even find prices for as low as $158. The most expensive prices can be found in the month of April. Opting for a September flight can save you 43% on your journey compared to booking in April

When is the cheapest time to fly from Portland, Maine to Illinois (PWM - IL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Illinois as you normally would.

Cheap Frontier flights from Portland to Illinois

Explore cheap flight options specifically provided by Frontier 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 mayo 10, 2024.
Check out some of the cheapest Frontier flights we've come across from Portland to Illinois. Come back soon if you're not finding the exact deal you're looking for.
mar. 6/119:55 pmPWM - ORD
Nonstop2h 43mFrontier
jue. 6/135:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/7$81
jue. 7/410:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 7/76:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/9$88
mar. 8/610:11 pmPWM - ORD
Nonstop2h 46mFrontier
jue. 8/86:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/9$97
jue. 6/610:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 6/95:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/9$98
mar. 5/2110:12 pmPWM - ORD
Nonstop2h 46mFrontier
dom. 5/266:16 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/8$99
jue. 6/610:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 6/95:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/8$100
mar. 5/2811:40 amPWM - MDW
1 stop20h 14mFrontier
mié. 5/2912:09 pmMDW - PWM
1 stop21h 41mFrontier
Deal found 5/8$109
jue. 6/2010:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 6/235:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/7$121
jue. 7/2510:11 pmPWM - ORD
Nonstop2h 46mFrontier
dom. 7/286:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/9$132

Cheap Delta flights from Portland to Illinois

Explore cheap flight options specifically provided by Delta 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 mayo 10, 2024.
Some of the lowest-priced Delta flights we've found at this time heading from Portland to Illinois. Deals frequently update to provide users with more options.
mar. 7/25:26 pmPWM - ORD
1 stop5h 04mDelta
mar. 7/96:00 amORD - PWM
1 stop6h 28mDelta
Deal found 5/7$196
mar. 6/115:26 pmPWM - ORD
1 stop6h 20mDelta
sáb. 6/155:45 pmORD - PWM
1 stop4h 36mDelta
Deal found 5/9$222
mar. 6/116:15 amPWM - ORD
2 stops11h 33mDelta
sáb. 6/155:45 pmORD - PWM
1 stop4h 36mDelta
Deal found 5/9$227
mié. 6/265:37 amPWM - MDW
1 stop4h 11mDelta
sáb. 6/295:45 pmMDW - PWM
1 stop4h 36mDelta
Deal found 5/9$232
mié. 8/145:40 amPWM - ORD
1 stop4h 47mDelta
lun. 8/195:55 pmORD - PWM
1 stop4h 11mDelta
Deal found 5/8$233
mar. 5/145:40 pmPWM - ORD
1 stop6h 04mDelta
mar. 5/285:23 pmORD - PWM
1 stop5h 21mDelta
Deal found 5/8$363
mar. 5/145:00 amPWM - ORD
2 stops7h 25mDelta
mar. 5/285:23 pmORD - PWM
1 stop5h 21mDelta
Deal found 5/8$368
mié. 5/152:51 pmPWM - ORD
1 stop6h 20mDelta
sáb. 5/185:23 pmORD - PWM
1 stop5h 21mDelta
Deal found 5/9$483
mié. 5/152:35 pmPWM - ORD
2 stops7h 51mDelta
sáb. 5/185:23 pmORD - PWM
1 stop5h 21mDelta
Deal found 5/9$488

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 mayo 10, 2024.
Check out some of the best flight deals from Portland to Illinois in 2024. For more flight deals, be sure to check back very soon.
jue. 6/610:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 6/95:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/9$98
mar. 5/2811:40 amPWM - MDW
1 stop20h 14mFrontier
mié. 5/2912:09 pmMDW - PWM
1 stop21h 41mFrontier
Deal found 5/8$109
mar. 6/259:55 pmPWM - ORD
Nonstop2h 43mFrontier
lun. 7/15:58 pmORD - PWM
1 stop14h 08mFrontier
Deal found 5/8$163
mar. 6/119:55 pmPWM - ORD
Nonstop2h 43mFrontier
sáb. 6/152:10 pmORD - PWM
1 stop17h 56mFrontier
Deal found 5/9$164
mar. 6/259:55 pmPWM - ORD
Nonstop2h 43mMultiple Airlines
mié. 6/268:05 pmORD - PWM
1 stop15h 23mMultiple Airlines
Deal found 5/9$173
jue. 6/2710:05 pmPWM - ORD
Nonstop2h 43mFrontier
lun. 7/15:58 pmORD - PWM
1 stop14h 08mFrontier
Deal found 5/9$174
mar. 6/253:23 pmPWM - MDW
1 stop6h 57mFrontier
lun. 7/112:06 pmMDW - PWM
1 stop20h 00mFrontier
Deal found 5/8$176
jue. 6/610:08 amPWM - ORD
1 stop9h 50mFrontier
dom. 6/95:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/9$178
mar. 6/113:23 pmPWM - MDW
1 stop6h 57mFrontier
sáb. 6/1511:51 amMDW - PWM
1 stop20h 15mFrontier
Deal found 5/9$195

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 mayo 10, 2024.
Check out some of the best flight deals from Portland to Illinois in 2024. For more flight deals, be sure to check back very soon.
jue. 7/410:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 7/76:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/9$88
mar. 8/610:11 pmPWM - ORD
Nonstop2h 46mFrontier
jue. 8/86:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/9$97
jue. 6/610:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 6/95:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/9$98
mar. 5/2811:40 amPWM - MDW
1 stop20h 14mFrontier
mié. 5/2912:09 pmMDW - PWM
1 stop21h 41mFrontier
Deal found 5/8$109
jue. 7/2510:11 pmPWM - ORD
Nonstop2h 46mFrontier
dom. 7/286:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/9$132
jue. 8/110:11 pmPWM - ORD
Nonstop2h 46mFrontier
dom. 8/46:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/8$136
mar. 8/610:11 pmPWM - ORD
Nonstop2h 46mFrontier
jue. 8/85:01 amORD - PWM
1 stop6h 13mFrontier
Deal found 5/9$154
vie. 8/169:52 amPWM - MDW
1 stop13h 03mFrontier
lun. 8/2611:38 amMDW - PWM
1 stop20h 24mFrontier
Deal found 5/8$161
mar. 6/259:55 pmPWM - ORD
Nonstop2h 43mFrontier
lun. 7/15:58 pmORD - PWM
1 stop14h 08mFrontier
Deal found 5/8$163

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 mayo 10, 2024.
Take a look at some of the direct flights traveling from Portland to Illinois in the near future. Users seeking other options on flights from Portland to Illinois should update the search form at the top of the page.
mar. 7/210:26 pmPWM - ORD
Nonstop2h 43mFrontier
mar. 7/96:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/8$60
mar. 6/119:55 pmPWM - ORD
Nonstop2h 43mFrontier
jue. 6/135:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/7$81
jue. 7/410:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 7/76:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/9$88
mar. 8/610:11 pmPWM - ORD
Nonstop2h 46mFrontier
jue. 8/86:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/9$97
jue. 6/610:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 6/95:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/9$98
mar. 5/2110:12 pmPWM - ORD
Nonstop2h 46mFrontier
dom. 5/266:16 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/8$99
jue. 6/610:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 6/95:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/8$100
jue. 6/2010:05 pmPWM - ORD
Nonstop2h 43mFrontier
dom. 6/235:52 pmORD - PWM
Nonstop2h 20mFrontier
Deal found 5/7$121
jue. 7/2510:11 pmPWM - ORD
Nonstop2h 46mFrontier
dom. 7/286:00 pmORD - PWM
Nonstop2h 21mFrontier
Deal found 5/9$132

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 mayo 10, 2024.
Have a look at some of the last-minute flights available departing from Portland to Illinois. To prevent any unwanted surprises, users should verify their flight info before booking.
mar. 5/145:40 pmPWM - ORD
1 stop6h 04mDelta
mar. 5/285:23 pmORD - PWM
1 stop5h 21mDelta
Deal found 5/8$363
mar. 5/145:00 amPWM - ORD
2 stops7h 25mDelta
mar. 5/285:23 pmORD - PWM
1 stop5h 21mDelta
Deal found 5/8$368
mar. 5/149:20 amPWM - ORD
Nonstop2h 59mUnited Airlines
mar. 5/286:03 pmORD - PWM
Nonstop2h 30mUnited Airlines
Deal found 5/8$414
mar. 5/146:30 pmPWM - ORD
1 stop6h 00mUnited Airlines
mar. 5/286:03 pmORD - PWM
Nonstop2h 30mUnited Airlines
Deal found 5/8$423
mié. 5/152:51 pmPWM - ORD
1 stop6h 20mDelta
sáb. 5/185:23 pmORD - PWM
1 stop5h 21mDelta
Deal found 5/9$483
mié. 5/152:35 pmPWM - ORD
2 stops7h 51mDelta
sáb. 5/185:23 pmORD - PWM
1 stop5h 21mDelta
Deal found 5/9$488
mar. 5/145:00 amPWM - MDW
1 stop5h 06mDelta
mié. 5/1512:42 pmMDW - PWM
2 stops10h 02mDelta
Deal found 5/8$488
jue. 5/169:59 amPWM - ORD
1 stop9h 48mFrontier
lun. 5/205:56 pmORD - PWM
1 stop14h 13mFrontier
Deal found 5/9$492
mar. 5/145:00 amPWM - MDW
2 stops9h 35mDelta
mié. 5/1512:42 pmMDW - PWM
2 stops10h 02mDelta
Deal found 5/8$493

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 mayo 10, 2024.
Take a look at some of the one-way flights we've detected from Portland to Illinois. Those seeking round-trip flights from Portland to Illinois should utilize the search form at the the top of the page.
jue. 7/410:05 pmPWM - ORD
Nonstop2h 43mFrontier
Deal found 5/9$39
mar. 6/259:55 pmPWM - ORD
Nonstop2h 43mFrontier
Deal found 5/7$40
mar. 5/2110:12 pmPWM - ORD
Nonstop2h 46mFrontier
Deal found 5/8$49
jue. 6/2010:05 pmPWM - ORD
Nonstop2h 43mFrontier
Deal found 5/8$60
dom. 8/410:11 pmPWM - ORD
Nonstop2h 46mFrontier
Deal found 5/9$68
dom. 6/3010:05 pmPWM - ORD
Nonstop2h 43mFrontier
Deal found 5/8$70
mar. 6/253:23 pmPWM - MDW
1 stop6h 57mFrontier
Deal found 5/7$80
jue. 7/44:04 pmPWM - MDW
1 stop4h 52mFrontier
Deal found 5/9$88
jue. 5/2310:12 pmPWM - ORD
Nonstop2h 46mFrontier
Deal found 5/8$96

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 mayo 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$81 - $270

Route

Depart

Return

Price

PortlandChicago O'Hare Intl

PWM - ORD

PWMORD

Portland

mar. 6/11

Nonstop2h 43m

Chicago O'Hare Intl

jue. 6/13

Nonstop2h 20m

$81

PortlandChicago O'Hare Intl

PWM - ORD

PWMORD

Portland

jue. 7/4

Nonstop2h 43m

Chicago O'Hare Intl

dom. 7/7

Nonstop2h 21m

$88

PortlandChicago O'Hare Intl

PWM - ORD

PWMORD

Portland

mar. 8/6

Nonstop2h 46m

Chicago O'Hare Intl

jue. 8/8

Nonstop2h 21m

$97

PortlandChicago O'Hare Intl

PWM - ORD

PWMORD

Portland

jue. 6/6

Nonstop2h 43m

Chicago O'Hare Intl

dom. 6/9

Nonstop2h 20m

$98

PortlandChicago O'Hare Intl

PWM - ORD

PWMORD

Portland

mar. 5/21

Nonstop2h 46m

Chicago O'Hare Intl

dom. 5/26

Nonstop2h 20m

$99

PortlandChicago O'Hare Intl

PWM - ORD

PWMORD

Portland

dom. 6/9

Nonstop2h 43m

Chicago O'Hare Intl

mié. 6/12

1 stop15h 36m

$188

PortlandChicago O'Hare Intl

PWM - ORD

PWMORD

Portland

mar. 7/2

1 stop5h 04m

Chicago O'Hare Intl

mar. 7/9

1 stop6h 28m

$196

PortlandChicago O'Hare Intl

PWM - ORD

PWMORD

Portland

vie. 6/14

Nonstop2h 53m

Chicago O'Hare Intl

mar. 6/18

Nonstop2h 34m

$214

PortlandChicago O'Hare Intl

PWM - ORD

PWMORD

Portland

jue. 6/27

1 stop6h 39m

Chicago O'Hare Intl

dom. 6/30

1 stop12h 56m

$270

Flights are sorted by cheapest first

Deals found on 5/7

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 mayo 10, 2024.
Get a feel of what it's like to fly with Frontier, Delta and American Airlines from Portland to Illinois by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,069 reviews
Check prices

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Southwest
8.2
Very good
6,069 reviews
Southwest
8.2
Very good
6,069 reviews
Check prices

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Delta
8.0
Very good
10,778 reviews
Southwest
8.2
Very good
6,069 reviews
Check prices

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

United Airlines
7.4
Good
11,027 reviews
Southwest
8.2
Very good
6,069 reviews
Check prices

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

American Airlines
7.3
Good
14,665 reviews
Southwest
8.2
Very good
6,069 reviews
Check prices

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Sun Country Air
7.3
Good
638 reviews
Southwest
8.2
Very good
6,069 reviews
Check prices

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Entertainment

7.8

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

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?

    Portland (PWM) is the airport you will fly out of if you book a flight from Portland to Illinois. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

  • Can I find flights from Portland, Maine to Illinois for under $100 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to Illinois for under $100. The cheapest flight booked recently is on Frontier for just $81, but on average you can expect to pay $133.

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

    Cheapflights has at least 20 direct flights from Portland, Maine to Illinois under $100. A good price for a nonstop flight from Portland, Maine to Illinois is less than $139.

  • Are there last-minute flights available from Portland, Maine to Illinois for under $400?

    There are currently 20+ open flights from Portland, Maine to Illinois within the next 7 days for less than $400.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $39. Delta flights start at $98 while deals on Sun Country Air start at $110 one-way.

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

    The most popular route from Portland, Maine to Illinois is Portland - Chicago O'Hare Intl. You may also consider Portland - Chicago Midway or Portland - Lambert-St Louis.

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

    Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Portland, Maine to Illinois.

  • What are the most reliable airlines from Portland, Maine 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, Maine to Illinois on time: Republic Airways (92%), Air New Zealand (89%), Emirates (87%).

  • What are the cheapest flights from Portland, Maine to Illinois?

    Looking at all options, your cheapest flight can be booked for $149. While the most popular route (Portland - Chicago O'Hare Intl) can be booked for $125 on average our data indicates $1,071 when flying from Portland, Maine to Illinois.

  • What does PWM to ORD mean?

    Portland Airport is PWM and Chicago O'Hare Intl Airport is ORD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

  • 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, Maine to Illinois flight deals updated?

    The Portland, Maine 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
See prices for flight routes from nearby airports that may be better suited for you.

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Top 4 airlines flying from Portland to Illinois

Discover the top 4 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 mayo 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$88Average$119FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$199Average$407FlexibilityNo cancel feeOn-time71%
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DeltaCheapest$207Average$375FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$209Average$510FlexibilityNo cancel feeOn-time69%
Search United 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.
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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 mayo 10, 2024.
1%of flight departuresEarly morningMidnight to 6 am
57%of flight departuresMorning6 am to noon
42%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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6 AM
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6 PM

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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 helps you search for flights from Portland to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portland to Illinois?

Millions of users choose and trust Cheapflights to book the best flight deals from Portland to Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Portland to Illinois with no change fees.

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

Yes, Cheapflights offers price alerts on Portland to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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