£384+ Cheap flights 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Flights to Idaho in 2025

Find the latest flights to Idaho in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 17 September 2025.

Return from

£487

One-way from

£353

Popular in

July

Cheapest in

February

Average price

£600
31/10-10/11
  • 31/10-10/11
  • 2 total stops
  • 35h 27m total
  • London to Boise
Iberia
  • Iberia
  • 16/10
  • 1 total stop
  • 19h 19m total
  • London to Idaho
Highest demand for flights based on searches. 13% potential increase in price (£81 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Average for return flights in September 2025

Find flights to Idaho

Browse one-way and return flights deals to Idaho on Cheapflights. Flight deals are based on user searches and were last updated on 17 September 2025
Explore Idaho

Find flight deals to Idaho

Cheapest flights to Idaho
Explore the most affordable flight options available to Idaho. Find the lowest fares based on data from user searches, with prices last updated on 17 September 2025.

Thu 30/1006:35LHR - GEG
2 stops37h 10mUnited Airlines
Thu 6/1113:47GEG - LHR
2 stops22h 48mUnited Airlines
Deal found 15/9£463
Wed 29/1007:30LHR - GEG
2 stops20h 15mUnited Airlines
Wed 5/1106:00GEG - LHR
1 stop22h 00mUnited Airlines
Deal found 14/9£465
Thu 30/1011:35LHR - GEG
1 stop16h 10mMultiple Airlines
Thu 6/1112:45GEG - LHR
1 stop34h 40mMultiple Airlines
Deal found 15/9£480
Sun 5/1010:35LHR - GEG
1 stop20h 40mMultiple Airlines
Fri 17/1007:15GEG - LHR
1 stop16h 10mMultiple Airlines
Deal found 16/9£482
Fri 31/1011:40LHR - BOI
1 stop16h 28mMultiple Airlines
Mon 10/1108:41BOI - LHR
1 stop18h 59mMultiple Airlines
Deal found 15/9£487
Sun 5/1012:20LHR - GEG
1 stop18h 55mUnited Airlines
Fri 17/1005:05GEG - LHR
2 stops20h 15mUnited Airlines
Deal found 16/9£488
Tue 7/1011:15LHR - BOI
2 stops18h 50mMultiple Airlines
Tue 14/1015:37BOI - LHR
1 stop17h 03mMultiple Airlines
Deal found 15/9£493
Thu 30/1009:40LCY - GEG
2 stops32h 02mMultiple Airlines
Thu 6/1112:45GEG - LCY
2 stops20h 55mMultiple Airlines
Deal found 15/9£495
Fri 17/1010:55LGW - GEG
1 stop19h 41mMultiple Airlines
Tue 21/1013:52GEG - LGW
1 stop37h 03mMultiple Airlines
Deal found 15/9£509
Fri 31/1006:35LHR - BOI
2 stops45h 01mLufthansa
Fri 7/1114:31BOI - LHR
1 stop12h 09mLufthansa
Deal found 16/9£532
Wed 8/1008:25LHR - BOI
2 stops20h 57mAmerican Airlines
Tue 14/1007:00BOI - LHR
1 stop22h 45mAmerican Airlines
Deal found 15/9£533
Wed 24/915:05LGW - BOI
2 stops39h 30mAmerican Airlines
Mon 6/1013:26BOI - LGW
2 stops35h 44mAmerican Airlines
Deal found 15/9£533

Cheapflights Fare Finder

 
Locate flights to Idaho that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 17 September 2025.
Use the filters below to find and compare flights to Idaho that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 30/10

06:35-12:45

2 stops37h 10m

Spokane

Thu 6/11

05:10-09:40

1 stop20h 30m

£463

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 10/3

06:35-13:09

2 stops37h 34m

Spokane

Tue 17/3

14:05-12:00

1 stop14h 55m

£464

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 29/10

07:30-20:45

2 stops20h 15m

Spokane

Wed 5/11

06:00-13:30

2 stops23h 30m

£465

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 23/2

07:30-21:09

2 stops21h 39m

Spokane

Fri 27/2

05:00-09:10

2 stops20h 10m

£465

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Thu 30/10

11:35-20:45

1 stop16h 10m

Spokane

Thu 6/11

12:45-07:25

1 stop34h 40m

£480

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Sun 5/10

10:35-23:15

1 stop20h 40m

Spokane

Fri 17/10

07:15-07:25

1 stop16h 10m

£482

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 10/3

07:40-21:09

2 stops20h 29m

Spokane

Tue 17/3

13:45-10:50

2 stops38h 05m

£485

LondonSpokane

LCY - GEG

LCYGEG

London City

Thu 30/10

09:40-10:42

2 stops32h 02m

Spokane

Thu 6/11

12:45-17:40

2 stops20h 55m

£495

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Fri 17/10

10:55-22:36

1 stop19h 41m

Spokane

Tue 21/10

13:52-10:55

1 stop37h 03m

£509

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Fri 21/11

06:35-09:58

2 stops34h 23m

Boise Air Term. Gowen Fld

Sun 30/11

14:40-07:25

1 stop33h 45m

£537

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 32 results
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Best time to book a flight to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho with our price prediction graph.
Estimated return 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 to Idaho

How long is the flight to Idaho?

On average, a flight from London to Idaho takes 17 hours 29 minutes. Flights to Idaho from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Idaho?

The cheapest airlines flying from London to Idaho are Finnair, KLM and United Airlines.

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 5.0 - 41.0 inches per month. December is typically the wettest month, when rainfall can reach 41.0 mm. August is typically the driest time to visit Idaho when rainfall is around 5.0 mm.

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 24.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -1.0 C).

What are the most popular places to fly to in Idaho?

Destination popularity is based on the amount of flight searches to Idaho in the last few years. This data was updated on 17 September 2025.
The most popular places in Idaho to fly to are Boise, Idaho Falls, Hailey, Twin Falls and Lewiston.

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 17 September 2025.
Check out reviews from past customers who have flown KLM, United Airlines, andVirgin Atlantic to the United States to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Comfort

7.7

Overall

7.8

Entertainment

7.2

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

FAQs about flying to Idaho

Idaho climate

The climate in Idaho varies from region to region. Winter in the north is cloudy, humid and rainy. In the south summers are dry but wet. Generally it can get very hot in summer. Winters can be very cold.

Getting around Idaho

The best way to get around the state is to hire a car, RV or camper.

Idaho’s largest urban centre is Boise and buses are offered around the city by the Boise Urban Stages. Daily bus services are also available in Ketchum.

What is good to know if travelling to Idaho?

  • Hot springs are synonymous with Idaho but the best known is the Lava Hot Springs in the south of the state. Here million-year old springs bubble at a temperature of 40 degrees Celsius soothing away tired limbs. There’s also an Olympic-sized swimming pool, massage services or tube rides on the river.
  • In Ketchum celebrate the city’s mining heritage at The Wagon Days festival in Ketchum. For four days celebrations take place around town, including a shoot-out, a fiddler’s contest, a rodeo and the Big Hitch Parade.
  • The City of Trees, Boise, is surrounded by greenery making it a very popular golfing destination with more than 20 golf courses in the area.
  • Head to the great outdoors and take a trip to Bone Road for some stunning scenery. More than a track this 60-mile span has some of the best views of Idaho landscapes than anywhere else, guaranteeing some great wildlife sightings of moose or deer.
  • Known by the locals as the “ghost town” Silver City outside Bois was once used as silver mine for the War Eagle Mountain. Today, photography workshops take place in its old houses and saloons
  • When is the best time to fly to Idaho?

    The weather in Idaho is split into four seasons but the length of them varies on the area.  Spring comes early and winter later to Boise. Temperatures in winter drop down to -1 to -6  degrees (C) and in summer go up to the mid-20s. Flooding can occur in April and May after the snow melts. Peak Season Idaho gets very busy and flights and accommodation are higher in summer from late May to mid-September. The ski season also means peak-season rates and conditions. The ski runs are open by late November and the season lasts until March or early April. Off Season The best time to find cheap flights to Idaho is from mid-September to October. During this time the weather is still warm. Spring is also a good time to visit.

  • Can I find cheaper flights to Idaho if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Idaho on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Idaho?

    Based on reviews from Cheapflights users, Finnair is rated the highest out of the airlines that fly to Idaho.

  • Where does the fastest flight to Idaho depart from?

    For those looking to save time traveling to Idaho, London offers the quickest one-way flight (13 hours 23 minutes).

  • Does Boise Air Term. Gowen Fld have car hire?

    Yes. Those touching down at Boise Air Term. Gowen Fld can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Boise Air Term. Gowen Fld?

    Yes. Boise Air Term. Gowen Fld has hotels nearby for those requiring accommodations. Rodeway Inn Airport is the closest property to Boise Air Term. Gowen Fld (0.0 mi away from Boise Air Term. Gowen Fld).

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets to Idaho?

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Users can book flights with no change fees policies with our dedicated filters. Book flights to Idaho flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights to Idaho become cheaper?

Yes, Cheapflights offers price alerts on Idaho flights so you can book your flight when prices are ideal. Enable price alerts 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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