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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
Tue 6/18
Tue 6/25

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In the last 7 days travelers have searched 41,904,688 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

6/4Tue
1 stopSpirit Airlines
8h 38mBOS-ORD
6/5Wed
nonstopSpirit Airlines
2h 29mORD-BOS
$53
5/29Wed
1 stopSpirit Airlines
10h 08mBOS-ORD
6/5Wed
nonstopSpirit Airlines
2h 29mORD-BOS
$54
7/4Thu
nonstopFrontier
2h 43mPWM-ORD
7/9Tue
nonstopFrontier
2h 19mORD-PWM
$61
6/13Thu
nonstopFrontier
2h 43mPWM-ORD
6/18Tue
nonstopFrontier
2h 20mORD-PWM
$68
5/29Wed
1 stop
10h 08mBOS-ORD
6/4Tue
1 stop
5h 12mORD-BOS
$89
5/31Fri
1 stop
16h 04mBOS-ORD
6/5Wed
nonstop
2h 29mORD-BOS
$99
6/3Mon
nonstopJetBlue
2h 54mBOS-ORD
6/5Wed
nonstopJetBlue
2h 26mORD-BOS
$177
7/15Mon
nonstopJetBlue
2h 54mBOS-ORD
7/30Tue
1 stopJetBlue
6h 02mORD-BOS
$186
6/1Sat
nonstopAmerican Airlines
3h 13mBOS-ORD
6/5Wed
nonstopAmerican Airlines
2h 18mORD-BOS
$189
9/12Thu
nonstopAmerican Airlines
3h 00mBGR-ORD
9/16Mon
nonstopAmerican Airlines
2h 33mORD-BGR
$209

Search by stops

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Recent one-way flight deals

7/4Thu
nonstopFrontier
2h 43mPWM-ORD
$39
6/23Sun
nonstopFrontier
2h 43mPWM-ORD
$49
6/19Wed
1 stop
18h 51mBOS-RFD
$84
6/19Wed
1 stop
18h 51mBOS-RFD
$87
5/30Thu
2 stopsSpirit Airlines
26h 02mBOS-ORD
$90
7/16Tue
2 stopsSpirit Airlines
24h 13mBOS-ORD
$93
7/19Fri
nonstopAmerican Airlines
2h 55mBOS-ORD
$95
7/16Tue
1 stopDelta
5h 06mPWM-ORD
$98
8/2Fri
nonstopDelta
2h 59mBOS-ORD
$105
7/20Sat
nonstopAmerican Airlines
2h 56mBOS-ORD
$114

Search by stops

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Search by price

Last minute flights from Maine to Chicago

Last minute flight, train and bus deals

5/23Thu
nonstopFrontier
2h 46mPWM-ORD
5/28Tue
nonstopFrontier
2h 20mORD-PWM
$174
5/23Thu
multi-stopFrontier
9h 48mPWM-ORD
5/28Tue
nonstopFrontier
2h 20mORD-PWM
$197
5/24Fri
multi-stop
30h 26mBOS-ORD
5/29Wed
multi-stop
17h 26mORD-BOS
$252
5/24Fri
multi-stop
30h 26mBOS-ORD
5/28Tue
multi-stop
25h 11mORD-BOS
$254
5/23Thu
multi-stopSpirit Airlines
11h 25mBOS-ORD
5/28Tue
multi-stopSpirit Airlines
25h 11mORD-BOS
$259
5/21Tue
multi-stopSpirit Airlines
10h 08mBOS-ORD
6/30Sun
nonstopSpirit Airlines
2h 28mORD-BOS
$265
5/23Thu
nonstopJetBlue
2h 54mBOS-ORD
5/31Fri
nonstopJetBlue
2h 26mORD-BOS
$267
5/22Wed
nonstopJetBlue
2h 54mBOS-ORD
5/25Sat
multi-stopJetBlue
5h 49mORD-BOS
$276
5/24Fri
nonstopAmerican Airlines
2h 59mBOS-ORD
5/26Sun
nonstopAmerican Airlines
2h 16mORD-BOS
$283
5/22Wed
nonstopAmerican Airlines
3h 04mBOS-ORD
5/29Wed
nonstopAmerican Airlines
2h 26mORD-BOS
$284

Search by stops

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Search by price

Flights to Chicago

Return flight deals:

Chicago - Maine

Cabin classes:

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