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£456+ 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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
9 Feb — 16 Feb1
1 adult

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 4 February 2025.

Return from

£553

One-way from

£456

Popular in

August

Cheapest in

November

Average price

£653
Lufthansa
  • Lufthansa
  • 17/3-31/3
  • 3 total stops
  • 37h 03m total
  • London to Boise
13/4
  • 13/4
  • 3 total stops
  • 50h 54m total
  • London to Idaho
Highest demand for flights based on searches. 15% potential increase in price (£111 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Average for return flights in February 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 4 February 2025
Explore Idaho

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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 4 February 2025.

Mon 3/307:30LHR - GEG
2 stops21h 08mLufthansa
Mon 10/313:46GEG - LHR
1 stop12h 54mLufthansa
Deal found 3/2£551
Mon 17/306:30LHR - BOI
2 stops20h 59mLufthansa
Mon 31/310:36BOI - LHR
1 stop16h 04mLufthansa
Deal found 3/2£553
Wed 5/308:55LHR - BOI
2 stops20h 04mUnited Airlines
Wed 12/318:56BOI - LHR
1 stop30h 29mUnited Airlines
Deal found 3/2£556
Tue 11/311:10LHR - GEG
2 stops32h 33mUnited Airlines
Tue 25/305:00GEG - LHR
2 stops22h 50mUnited Airlines
Deal found 3/2£558
Mon 17/311:35LHR - BOI
1 stop15h 54mMultiple Airlines
Mon 31/314:38BOI - LHR
1 stop12h 02mMultiple Airlines
Deal found 3/2£576
Wed 5/311:55LGW - IDA
2 stops17h 41mMultiple Airlines
Wed 12/308:00IDA - LGW
2 stops20h 55mMultiple Airlines
Deal found 3/2£577
Tue 11/314:30LHR - GEG
2 stops29h 13mMultiple Airlines
Tue 25/305:00GEG - LHR
3 stops18h 30mMultiple Airlines
Deal found 3/2£588
Tue 11/314:30LHR - GEG
3 stops29h 13mAir Canada
Tue 25/305:00GEG - LHR
3 stops18h 30mAir Canada
Deal found 3/2£607
Tue 11/310:00LCY - GEG
2 stops17h 53mLufthansa
Tue 25/313:46GEG - LCY
2 stops43h 54mLufthansa
Deal found 3/2£616
Wed 5/312:15LHR - IDA
2 stops17h 21mMultiple Airlines
Wed 12/308:00IDA - LHR
2 stops20h 50mMultiple Airlines
Deal found 3/2£624
Fri 19/916:25LHR - JAC
1 stop26h 32mFinnair
Sat 27/914:50JAC - LHR
1 stop18h 15mFinnair
Deal found 3/2£638
Wed 5/311:55LGW - BOI
2 stops17h 46mMultiple Airlines
Wed 12/309:40BOI - LGW
2 stops19h 15mMultiple Airlines
Deal found 3/2£639

Find flights to Idaho within your budget

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 4 February 2025.

Fly from

Any airport

Route

Depart

Return

Price

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Mon 3/3

07:30-20:38

2 stops21h 08m

Spokane

Mon 10/3

13:46-09:40

1 stop12h 54m

£551

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 17/3

06:30-21:29

2 stops20h 59m

Boise Air Term. Gowen Fld

Mon 31/3

10:36-09:40

1 stop16h 04m

£553

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Wed 5/3

08:55-21:59

2 stops20h 04m

Boise Air Term. Gowen Fld

Wed 12/3

18:56-07:25

1 stop30h 29m

£556

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 11/3

11:10-12:43

2 stops32h 33m

Spokane

Tue 25/3

05:00-10:50

2 stops22h 50m

£558

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 17/3

11:35-21:29

1 stop15h 54m

Boise Air Term. Gowen Fld

Mon 31/3

14:38-09:40

1 stop12h 02m

£576

LondonIdaho Falls

LGW - IDA

LGWIDA

London Gatwick

Wed 5/3

11:55-22:36

2 stops17h 41m

Idaho Falls Fanning Field

Wed 12/3

08:00-10:55

2 stops20h 55m

£577

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 11/3

14:30-12:43

2 stops29h 13m

Spokane

Tue 25/3

05:00-06:30

3 stops18h 30m

£588

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Tue 11/3

14:30-12:43

3 stops29h 13m

Spokane

Tue 25/3

05:00-06:30

3 stops18h 30m

£607

LondonSpokane

LCY - GEG

LCYGEG

London City

Tue 11/3

10:00-20:53

2 stops17h 53m

Spokane

Tue 25/3

13:46-16:40

2 stops43h 54m

£616

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Wed 5/3

12:15-22:36

2 stops17h 21m

Idaho Falls Fanning Field

Wed 12/3

08:00-10:50

2 stops20h 50m

£624

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 46 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.

Travel insights for flights to Idaho

Get recent, data-driven insights about flights to Idaho including ideal travel times, pricing trends, and more.

How long is the flight to Idaho?

On average, a flight from London to Idaho takes 17 hours 24 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, United Airlines and KLM.

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).

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 4 February 2025.
See what other customers who have flown with Delta, KLM and Finnair to Idaho have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very Good

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 (15 hours 59 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?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights 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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