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$39 Find cheap flights from Maine to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago 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.
1 adult
0 bags
Sun 6/16
Sun 6/23

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In the last 7 days travelers have searched 42,332,103 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

October

Cheapest flight

$39
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly and prices are also 18% lower on average.
Flight from Portland to Chicago O'Hare Airport

FAQs for booking flights from Maine to Chicago

  • How does KAYAK find such low prices on flights from Maine to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maine to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Maine is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Maine to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Maine with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Maine to Chicago?

Find which airlines fly direct from Maine to Chicago, which days they fly and book direct flights.

Nonstop departures

Maine to Chicago

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights

Nonstop returns

Chicago to Maine

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights
See more direct flights

Book cheap flights from Maine to Chicago

Recent round-trip flight deals

8/6Tue
nonstopFrontier
2h 43mPWM-ORD
8/13Tue
nonstopFrontier
2h 21mORD-PWM
$58
6/13Thu
nonstopFrontier
2h 43mPWM-ORD
6/18Tue
nonstopFrontier
2h 20mORD-PWM
$59
7/20Sat
1 stopSpirit Airlines
6h 05mBOS-ORD
8/20Tue
1 stopSpirit Airlines
13h 55mORD-BOS
$139
5/30Thu
1 stopSpirit Airlines
9h 19mBOS-ORD
6/3Mon
1 stopSpirit Airlines
13h 02mORD-BOS
$140
7/6Sat
1 stop
6h 18mBOS-ORD
7/10Wed
nonstop
2h 28mORD-BOS
$141
5/25Sat
1 stop
14h 07mBOS-ORD
6/1Sat
1 stop
6h 08mORD-BOS
$149
5/26Sun
nonstopJetBlue
2h 54mBOS-ORD
5/30Thu
nonstopJetBlue
2h 29mORD-BOS
$167
6/30Sun
nonstopJetBlue
2h 54mBOS-ORD
7/5Fri
1 stopJetBlue
8h 32mORD-BOS
$176
7/30Tue
1 stopDelta
5h 06mPWM-ORD
8/7Wed
1 stopDelta
3h 58mORD-PWM
$196
6/11Tue
1 stopDelta
8h 58mPWM-ORD
6/18Tue
1 stopDelta
5h 09mORD-PWM
$206

Search by stops

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Search by price

Recent one-way flight deals

7/4Thu
nonstopFrontier
2h 43mPWM-ORD
$39
6/13Thu
nonstopFrontier
2h 43mPWM-ORD
$40
6/18Tue
2 stopsSpirit Airlines
34h 57mBOS-ORD
$92
6/17Mon
2 stopsSpirit Airlines
23h 53mBOS-ORD
$93
6/30Sun
nonstopUnited Airlines
2h 50mBOS-ORD
$95
6/1Sat
nonstopAmerican Airlines
2h 57mBOS-ORD
$96
6/18Tue
1 stopDelta
6h 10mPWM-ORD
$98
7/3Wed
1 stopDelta
5h 03mPWM-MDW
$98
6/19Wed
nonstopUnited Airlines
2h 50mBOS-ORD
$102
5/26Sun
1 stopAmerican Airlines
5h 22mBOS-ORD
$128

Search by stops

Search by airline

Search by price

Last minute flights from Maine to Chicago

Last minute flight, train and bus deals

5/20Mon
multi-stopFrontier
8h 31mBOS-MDW
5/31Fri
multi-stopFrontier
20h 27mMDW-BOS
$197
5/22Wed
multi-stopSpirit Airlines
18h 16mBOS-ORD
5/28Tue
multi-stopSpirit Airlines
25h 11mORD-BOS
$218
5/22Wed
nonstopJetBlue
2h 54mBOS-ORD
5/25Sat
nonstopJetBlue
2h 26mORD-BOS
$267
5/22Wed
nonstopUnited Airlines
2h 53mBOS-ORD
5/24Fri
nonstopUnited Airlines
2h 35mORD-BOS
$278
5/22Wed
multi-stopUnited Airlines
4h 54mBOS-ORD
5/24Fri
nonstopUnited Airlines
2h 35mORD-BOS
$288
5/21Tue
nonstopAmerican Airlines
3h 04mBOS-ORD
5/28Tue
nonstopAmerican Airlines
2h 26mORD-BOS
$304
5/18Sat
nonstopDelta
2h 59mBOS-ORD
5/24Fri
nonstopDelta
2h 36mORD-BOS
$308
5/22Wed
nonstopAmerican Airlines
3h 04mBOS-ORD
5/26Sun
multi-stopAmerican Airlines
4h 44mORD-BOS
$312
5/22Wed
nonstopJetBlue
2h 54mBOS-ORD
5/24Fri
nonstopJetBlue
2h 26mORD-BOS
$317
5/22Wed
nonstopDelta
2h 54mBOS-ORD
5/26Sun
nonstopDelta
2h 26mORD-BOS
$342

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Maine

Cabin classes:

$1,039
$1,468
$1,051
$158