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$202+ Cheap flights from Idaho to Honolulu (HNL)

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — HNL
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Cheap flight deals from Idaho to Honolulu

Cheapest flights from Idaho to Honolulu
Explore the most affordable flight options available from Idaho to Honolulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.

This Delta deal was found by Cheapflights users on 7/27. 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 9/156:45 am
BOI
-
HNL
1 stop8h 47m
Delta
Tue 9/2210:39 pm
HNL
-
BOI
1 stop12h 37m
Delta
Deal found 7/27$404
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 9/285:10 am
GEG
-
HNL
1 stop9h 22m
Delta
Wed 9/301:00 pm
HNL
-
GEG
1 stop7h 59m
Delta
Deal found 7/27$404
This Delta deal was found by Cheapflights users on 7/27. 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 8/2611:12 am
BOI
-
HNL
2 stops11h 59m
Delta
Wed 9/210:45 pm
HNL
-
BOI
1 stop8h 58m
Delta
Deal found 7/27$410
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 9/286:00 am
GEG
-
HNL
2 stops16h 43m
United Airlines
Wed 9/3010:05 pm
HNL
-
GEG
1 stop9h 23m
United Airlines
Deal found 7/27$410
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 8/258:15 am
BOI
-
HNL
2 stops11h 54m
United Airlines
Tue 9/17:00 am
HNL
-
BOI
2 stops10h 24m
United Airlines
Deal found 7/28$415
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 9/101:00 pm
GEG
-
HNL
1 stop9h 28m
Delta
Wed 9/1610:39 pm
HNL
-
GEG
1 stop8h 51m
Delta
Deal found 7/27$415
This Delta deal was found by Cheapflights users on 7/28. 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 9/306:45 am
BOI
-
HNL
1 stop8h 47m
Delta
Wed 9/3010:39 pm
HNL
-
BOI
1 stop8h 58m
Delta
Deal found 7/28$419
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/277:03 am
GEG
-
HNL
1 stop11h 52m
Multiple Airlines
Wed 9/27:31 am
HNL
-
GEG
1 stop12h 18m
Multiple Airlines
Deal found 7/28$421
This Delta deal was found by Cheapflights users on 7/30. 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 9/165:10 am
GEG
-
HNL
1 stop9h 22m
Delta
Thu 9/241:00 pm
HNL
-
GEG
1 stop7h 59m
Delta
Deal found 7/30$424
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 10/147:00 am
GEG
-
HNL
1 stop16h 58m
Multiple Airlines
Thu 10/227:13 am
HNL
-
GEG
1 stop12h 37m
Multiple Airlines
Deal found 7/30$426
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 9/166:30 am
GEG
-
HNL
1 stop10h 20m
American Airlines
Tue 9/228:40 pm
HNL
-
GEG
2 stops13h 11m
American Airlines
Deal found 7/29$430
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 11/28:30 am
BOI
-
HNL
1 stop16h 02m
Multiple Airlines
Wed 11/48:25 am
HNL
-
BOI
1 stop10h 35m
Multiple Airlines
Deal found 7/28$434

Find flight deals from Idaho to Honolulu

Keep the following information in mind while searching for Idaho to Honolulu flight deals. Data was last updated July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$404
(Delta)

One-way from

$202
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$551

Good round-trip deal

$648 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Honolulu flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Honolulu flights.
Search Deals
From Idaho to Honolulu
Search Deals
One-way flight from Idaho to Honolulu
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Idaho to Honolulu.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Honolulu 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 July 30, 2026.
Use the filters below to find and compare flights from Idaho to Honolulu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseHonolulu

BOI - HNL

BOIHNL

Boise Air Term. Gowen Fld

Tue 9/15

10:34 am-7:28 pm

1 stop12h 54m

Honolulu

Tue 9/22

10:39 pm-11:37 am

1 stop8h 58m

$404

BoiseHonolulu

BOI - HNL

BOIHNL

Boise Air Term. Gowen Fld

Tue 8/25

6:15 am-11:45 am

1 stop9h 30m

Honolulu

Tue 9/1

7:00 am-9:24 pm

1 stop10h 24m

$404

BoiseHonolulu

BOI - HNL

BOIHNL

Boise Air Term. Gowen Fld

Sun 8/23

6:49 am-11:34 am

1 stop8h 45m

Honolulu

Tue 9/1

10:45 pm-11:43 am

1 stop8h 58m

$404

BoiseHonolulu

BOI - HNL

BOIHNL

Boise Air Term. Gowen Fld

Mon 11/2

8:30 am-9:32 pm

1 stop16h 02m

Honolulu

Wed 11/4

8:25 am-10:00 pm

1 stop10h 35m

$453

SpokaneHonolulu

GEG - HNL

GEGHNL

Spokane

Tue 9/1

7:00 am-9:08 pm

1 stop17h 08m

Honolulu

Sun 9/13

8:35 pm-1:23 pm

1 stop13h 48m

$456

SpokaneHonolulu

GEG - HNL

GEGHNL

Spokane

Tue 10/13

2:51 pm-11:21 pm

1 stop11h 30m

Honolulu

Tue 10/27

8:37 pm-3:22 pm

2 stops15h 45m

$460

BoiseHonolulu

BOI - HNL

BOIHNL

Boise Air Term. Gowen Fld

Mon 8/24

3:45 pm-9:20 pm

1 stop9h 35m

Honolulu

Mon 8/31

9:30 pm-3:00 pm

1 stop13h 30m

$472

BoiseHonolulu

BOI - HNL

BOIHNL

Boise Air Term. Gowen Fld

Sun 8/23

6:49 am-11:34 am

1 stop8h 45m

Honolulu

Sun 8/30

10:45 pm-11:43 am

1 stop8h 58m

$472

BoiseHonolulu

BOI - HNL

BOIHNL

Boise Air Term. Gowen Fld

Tue 10/27

7:20 am-8:12 pm

1 stop16h 52m

Honolulu

Wed 10/28

7:13 am-1:47 pm

1 stop26h 34m

$472

SpokaneHonolulu

GEG - HNL

GEGHNL

Spokane

Tue 9/8

5:10 am-11:32 am

1 stop9h 22m

Honolulu

Tue 9/22

10:39 pm-10:30 am

1 stop8h 51m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 54 resultsSorted by cheapest first
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Best time to book a flight from Idaho to Honolulu

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

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

Currently, August is the cheapest month in which you can book a flight from Idaho to Honolulu (average of $511). Flying from Idaho to Honolulu in June is currently the most expensive (average of $736). 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.

How much does it cost to fly round-trip from Idaho to Honolulu?

Airfare is below average for this route at the moment.
Idaho to Honolulu flights typically cost between $439 and $608 in September.
The cheapest round-trip price found within the last 5 days was $404 on Delta (Sep 15-Sep 22).

How far ahead should I book a flight from Idaho to Honolulu?

To ensure you get the cheapest price possible for a flight from Idaho to Honolulu, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Honolulu. 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 into for flights to Honolulu from Idaho?

    Located just 4.4 mi from the city center, Honolulu (HNL) is the airport most travelers will use when flying to Honolulu from Idaho.

  • How long is the flight from Idaho to Honolulu?

    Departing from Idaho to Honolulu will take you 9h 30m. The distance between Idaho and Honolulu is about 2832 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $94 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $200 and $200, respectively.

  • What are the most popular routes from Idaho to Honolulu?

    The most popular flight routes from Idaho to Honolulu are Spokane - Honolulu, Boise Air Term. Gowen Fld - Honolulu and Idaho Falls Fanning Field - Honolulu.

  • What are the cheapest flights from Idaho to Honolulu?

    On average you can expect to pay $693 for a flight from Idaho to Honolulu. The cheapest flight overall is $648 while the most popular route, (Spokane - Honolulu) is currently priced at $404.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Idaho to Honolulu (average of $511). Flying from Idaho to Honolulu in June is currently the most expensive (average of $736). 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

Traveling to a place near Honolulu?

Book flights to Honolulu if you plan to visit one of these locations
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Top 5 airlines flying from Idaho to Honolulu

Discover the top 5 airlines that operate flights from Idaho to Honolulu. 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$267Average$545FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$323Average$658FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$343Average$623FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$369Average$637FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$543Average$686FlexibilityNo cancel feeOn-time85%

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