£79+ 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 23/3. 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
11 Mar — 18 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Idaho

Discover essential information about flights departing from Idaho, including flight schedules, destinations, airlines operating at the Idaho airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 9 February 2026.

Good round-trip deal

£337 or less

Good one-way deal

£85 or less
Price to beat on a round-trip flight from Idaho.
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Price to beat on a one-way flight from Idaho.
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Find flights from Idaho

Enter your travel dates to find the best prices.

Cheapest flights from Idaho
Explore the most affordable flight options available from Idaho. Find the lowest fares based on data from user searches, with prices last updated on 9 February 2026.

Wed 11/310:49
BOI
-
LHR
1 stop19h 11m
United Airlines
Tue 17/306:35
LHR
-
BOI
2 stops20h 54m
United Airlines
Deal found 8/2£464
Fri 6/308:39
BOI
-
LHR
1 stop20h 21m
United Airlines
Fri 13/306:35
LHR
-
BOI
2 stops20h 54m
United Airlines
Deal found 5/2£465
Fri 6/307:02
GEG
-
LHR
1 stop20h 58m
United Airlines
Mon 9/307:40
LHR
-
GEG
2 stops20h 23m
United Airlines
Deal found 6/2£465
Mon 13/419:03
BOI
-
EDI
2 stops29h 17m
United Airlines
Wed 22/409:00
EDI
-
BOI
2 stops43h 15m
United Airlines
Deal found 8/2£465
Mon 13/406:15
BOI
-
EDI
2 stops42h 05m
Air Canada
Wed 29/409:00
EDI
-
BOI
2 stops44h 45m
Air Canada
Deal found 6/2£466
Wed 11/305:00
BOI
-
LHR
2 stops18h 55m
United Airlines
Mon 16/307:40
LHR
-
BOI
2 stops40h 06m
United Airlines
Deal found 8/2£467
Sun 12/417:29
BOI
-
EDI
2 stops54h 51m
Air Canada
Fri 1/509:00
EDI
-
BOI
2 stops41h 33m
Air Canada
Deal found 6/2£470
Sat 7/306:00
GEG
-
LHR
2 stops21h 20m
United Airlines
Sat 14/306:35
LHR
-
GEG
2 stops21h 28m
United Airlines
Deal found 5/2£471
Sun 8/306:00
GEG
-
LHR
1 stop18h 55m
United Airlines
Sun 15/316:40
LHR
-
GEG
2 stops51h 01m
United Airlines
Deal found 8/2£472
Mon 4/513:19
GEG
-
EDI
2 stops19h 16m
Multiple Airlines
Wed 13/505:55
EDI
-
GEG
2 stops16h 21m
Multiple Airlines
Deal found 7/2£473
Mon 13/413:52
BOI
-
EDI
2 stops24h 03m
Scandinavian Airlines
Wed 22/409:00
EDI
-
BOI
1 stop20h 28m
Scandinavian Airlines
Deal found 8/2£473
Wed 15/414:37
BOI
-
LHR
2 stops19h 03m
Lufthansa
Wed 22/409:30
LHR
-
BOI
2 stops18h 52m
Lufthansa
Deal found 7/2£474

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 9 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 11/3

10:49-07:25

1 stop14h 36m

London Heathrow

Mon 16/3

06:50-22:56

2 stops22h 06m

£464

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Fri 6/3

08:39-12:00

1 stop20h 21m

London Heathrow

Fri 13/3

06:35-21:29

2 stops20h 54m

£465

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Fri 6/3

07:02-12:00

1 stop20h 58m

London Heathrow

Mon 9/3

07:40-21:03

2 stops20h 23m

£465

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Mon 13/4

19:03-07:20

2 stops29h 17m

Edinburgh Turnhouse

Wed 22/4

09:00-22:35

2 stops44h 35m

£465

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Sat 7/3

06:00-11:20

2 stops21h 20m

London Heathrow

Sat 14/3

06:35-21:03

2 stops21h 28m

£471

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Mon 13/4

13:52-20:55

2 stops24h 03m

Edinburgh Turnhouse

Wed 22/4

09:00-22:28

1 stop20h 28m

£473

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Mon 13/4

12:52-16:30

2 stops20h 38m

Edinburgh Turnhouse

Wed 22/4

09:00-22:28

1 stop20h 28m

£473

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Sun 12/4

23:30-07:05

2 stops24h 35m

Edinburgh Turnhouse

Thu 30/4

14:05-10:01

2 stops26h 56m

£474

BoiseEdinburgh

BOI - EDI

BOIEDI

Boise Air Term. Gowen Fld

Sun 12/4

23:30-07:05

2 stops24h 35m

Edinburgh Turnhouse

Wed 29/4

09:00-22:28

1 stop20h 28m

£474

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Sat 7/3

09:25-10:30

1 stop17h 05m

London Heathrow

Fri 20/3

10:45-21:37

1 stop17h 52m

£475

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 60 results
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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, October is the cheapest month in which you can book a flight from Idaho (average of £457). Flying from Idaho in June will prove the most costly (average of £797). 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 Denver Intl, with prices starting at £85. Explore other affordable destinations below.

Denver Intl
Denver Intl
From £85
Salt Lake City
Salt Lake City
From £293

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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 9 February 2026.

  • What is the cheapest month to fly from Idaho?

    At the present moment the cheapest month to fly from Idaho is currently October; 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.

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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.

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