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$125+ Cheap flights from Connecticut to Idaho

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — BOI
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Connecticut to Idaho

Keep the following information in mind while searching for Connecticut to Idaho flight deals. Data was last updated April 22, 2025.

Round-trip from

$210
(Frontier)

One-way from

$126
(Delta)
From Connecticut to Idaho
Search Deals
One-way flight from Connecticut to Idaho
Search Deals

Find flight deals from Connecticut to Idaho

Cheapest flights from Connecticut to Idaho
Explore the most affordable flight options available from Connecticut to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Frontier deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/249:55 pmLGA - BOI
1 stop15h 56mFrontier
Sun 6/112:36 pmBOI - LGA
1 stop7h 34mFrontier
Deal found 4/21$210
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/275:00 pmJFK - GEG
1 stop10h 05mDelta
Sat 5/312:10 pmGEG - JFK
1 stop6h 43mDelta
Deal found 4/22$245
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:20 pmLGA - GEG
1 stop7h 43mDelta
Tue 7/1510:59 pmGEG - LGA
1 stop9h 49mDelta
Deal found 4/22$251
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/103:31 pmEWR - GEG
1 stop9h 28mDelta
Tue 6/1711:10 pmGEG - EWR
1 stop8h 36mDelta
Deal found 4/21$251
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:20 pmLGA - BOI
1 stop7h 09mDelta
Sat 8/302:45 pmBOI - LGA
1 stop7h 02mDelta
Deal found 4/22$269
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:00 amEWR - BOI
1 stop7h 31mDelta
Wed 7/163:25 pmBOI - EWR
1 stop6h 12mDelta
Deal found 4/21$269
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/275:00 pmJFK - BOI
1 stop9h 12mDelta
Sat 5/311:50 pmBOI - JFK
1 stop8h 45mDelta
Deal found 4/22$269
This Alaska Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/64:30 pmJFK - GEG
1 stop9h 34mAlaska Airlines
Tue 5/137:23 pmGEG - JFK
1 stop7h 37mAlaska Airlines
Deal found 4/22$273
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:25 amLGA - BOI
2 stops9h 10mUnited Airlines
Wed 8/2712:27 pmBOI - LGA
1 stop7h 27mUnited Airlines
Deal found 4/21$274
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:29 amLGA - GEG
1 stop8h 06mAmerican Airlines
Sat 9/136:07 amGEG - LGA
1 stop8h 22mAmerican Airlines
Deal found 4/22$275
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/96:00 amEWR - GEG
1 stop7h 56mUnited Airlines
Mon 7/146:25 pmGEG - EWR
1 stop8h 11mUnited Airlines
Deal found 4/22$301
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/81:08 pmEWR - BOI
1 stop24h 13mSpirit Airlines
Fri 6/139:36 amBOI - EWR
1 stop18h 12mSpirit Airlines
Deal found 4/22$310

Cheapflights Fare Finder

Customize your flight search to find flights from Connecticut to Idaho 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 2,558,603 searches. Data last updated April 22, 2025.
Use the filters below to find and compare flights from Connecticut to Idaho that are best for you.

Fly from

Connecticut

Fly to

Idaho

Route

Depart

Return

Price

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Sat 5/24

9:55 pm-11:51 am

1 stop15h 56m

Boise Air Term. Gowen Fld

Sun 6/1

12:36 pm-10:10 pm

1 stop7h 34m

$210

New YorkSpokane

JFK - GEG

JFKGEG

New York John F Kennedy Intl

Tue 5/27

5:00 pm-12:05 am

1 stop10h 05m

Spokane

Sat 5/31

2:10 pm-11:53 pm

1 stop6h 43m

$245

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

Tue 7/8

6:20 pm-11:03 pm

1 stop7h 43m

Spokane

Tue 7/15

10:59 pm-11:48 am

1 stop9h 49m

$251

NewarkSpokane

EWR - GEG

EWRGEG

Newark

Tue 6/10

3:31 pm-9:59 pm

1 stop9h 28m

Spokane

Tue 6/17

11:10 pm-10:46 am

1 stop8h 36m

$251

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Sat 8/23

6:20 pm-11:29 pm

1 stop7h 09m

Boise Air Term. Gowen Fld

Sat 8/30

2:45 pm-11:47 pm

1 stop7h 02m

$269

NewarkBoise

EWR - BOI

EWRBOI

Newark

Wed 7/9

7:00 am-12:31 pm

1 stop7h 31m

Boise Air Term. Gowen Fld

Wed 7/16

3:25 pm-11:37 pm

1 stop6h 12m

$269

New YorkBoise

JFK - BOI

JFKBOI

New York John F Kennedy Intl

Tue 5/27

5:00 pm-12:12 am

1 stop9h 12m

Boise Air Term. Gowen Fld

Sat 5/31

1:50 pm-12:35 am

1 stop8h 45m

$269

New YorkSpokane

JFK - GEG

JFKGEG

New York John F Kennedy Intl

Tue 5/6

4:30 pm-11:04 pm

1 stop9h 34m

Spokane

Tue 5/13

7:23 pm-6:00 am

1 stop7h 37m

$273

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Sat 8/23

6:25 am-1:35 pm

2 stops9h 10m

Boise Air Term. Gowen Fld

Wed 8/27

12:27 pm-9:54 pm

1 stop7h 27m

$274

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

Mon 9/8

7:29 am-12:35 pm

1 stop8h 06m

Spokane

Sat 9/13

6:07 am-5:29 pm

1 stop8h 22m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 results
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Best time to book a flight from Connecticut to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Connecticut 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 Connecticut to Idaho

What is the cheapest month to book a flight from Connecticut to Idaho?

Currently, October is the cheapest month in which you can book a flight from Connecticut to Idaho (average of $314). Flying from Connecticut to Idaho in June is currently the most expensive (average of $419). 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 CT to ID?

Find hourly flight availability from Connecticut to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

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

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated April 22, 2025.
Read through reviews of airlines operating flights from Connecticut to Idaho, such as Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,392 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Qatar Airways
7.4
Good
3,560 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Connecticut to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Connecticut to Idaho one-way?

    The cheapest airlines for a one-way flight from Connecticut to Idaho are Delta ($126), American Airlines ($135), and Spirit Airlines ($166).

  • Can I find deals for flights from Connecticut to Idaho that include hotel bookings?

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

  • How can I find direct flights from Connecticut to Idaho?

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

  • Can I find deals for business class flights from Connecticut to Idaho?

    Yes. Cheapflights offers flight deals from Connecticut to Idaho 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 Connecticut to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Connecticut to Idaho (average of $314). Flying from Connecticut to Idaho in June is currently the most expensive (average of $419). 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

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Alternative routes for Connecticut to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Connecticut to Idaho

Discover the top 4 airlines that operate flights from Connecticut to Idaho. 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 2,558,603 searches. Data last updated April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$306Average$477FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$353Average$550FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$366Average$622FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$402Average$481FlexibilityNo cancel feeOn-time63%

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