£97+ Cheap flights from Idaho

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/7. 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.
BOI — LHR
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Find flights from Idaho within your budget

 
Find flights departing from Idaho that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 17 April 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Tue 22/9

07:05-08:05

2 stops18h 00m

Edinburgh Turnhouse

Tue 29/9

09:00-19:16

2 stops41h 16m

£635

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Sun 11/10

05:00-08:05

2 stops20h 05m

Edinburgh Turnhouse

Tue 20/10

09:00-22:22

2 stops44h 22m

£635

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 9/9

05:00-07:15

2 stops18h 15m

London Heathrow

Wed 7/10

07:25-23:38

2 stops24h 13m

£643

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Sun 27/9

06:30-10:15

1 stop19h 45m

London Heathrow

Wed 14/10

06:30-14:45

2 stops16h 15m

£647

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Tue 22/9

13:38-20:40

2 stops23h 02m

London Heathrow

Tue 13/10

07:25-23:38

2 stops24h 13m

£651

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 26/8

14:30-12:35

1 stop15h 05m

London Heathrow

Wed 9/9

14:05-13:24

2 stops30h 19m

£655

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Sat 19/9

12:42-17:40

2 stops21h 58m

London Heathrow

Tue 29/9

06:40-18:35

3 stops18h 55m

£662

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sun 4/10

13:44-11:15

1 stop14h 31m

London Heathrow

Wed 21/10

12:55-21:22

1 stop15h 27m

£668

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 23/9

14:05-13:05

1 stop15h 00m

London Heathrow

Wed 14/10

17:45-22:48

1 stop13h 03m

£668
Fastest return journey

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 14/10

13:30-10:00

1 stop12h 30m

London Heathrow

Wed 28/10

12:20-18:48

1 stop13h 28m

£668

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Idaho

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

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

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

Currently, July is the cheapest month in which you can book a flight from Idaho (average of £426). Flying from Idaho in June will prove the most costly (average of £801). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What is the cheapest place to fly to from Idaho?

The cheapest city to fly to from Idaho is Salt Lake City, with prices starting at £294. Explore other affordable destinations below.

Salt Lake City
Salt Lake City
From £294
Denver Intl
Denver Intl
From £322

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from USA

Book a direct flight from one of these other cities located in USA.
Direct flights from Boise
Direct flights from Idaho Falls

Related info for your journey

Access useful and relevant information related to your journey from Idaho. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 17 April 2026.

  • What is the cheapest month to fly from Idaho?

    At the present moment the cheapest month to fly from Idaho is currently July; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from Idaho?

    Cheapflights helps you search for flights from Idaho via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from 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 from Idaho.

  • Can Cheapflights find flights from Idaho with no change fees?

    Certainly. Search results for flights from Idaho shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Of course! You can now track prices for flights from Idaho and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Idaho?

Cheapflights helps you search for flights from Idaho via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from 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 from Idaho.

Can Cheapflights find flights from Idaho with no change fees?

Certainly. Search results for flights from Idaho shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Idaho and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.