Question 1

How does KAYAK find such low prices on flights from London Heathrow Airport to Idaho?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Idaho. <a href='/flight-routes/London-Heathrow-LHR/Idaho-USID'>Visit our flight page for the latest deals!>/a>

Question 2

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Idaho?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Heathrow Airport to Idaho is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/London-Heathrow-LHR/Idaho-USID'>Visit our flight page for the latest deals!>/a>

Question 3

What is the Hacker Fare option on flights from London Heathrow Airport to Idaho?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from London Heathrow Airport to Idaho with an airline and back with another airline. <a href='/flight-routes/London-Heathrow-LHR/Idaho-USID'>Visit our flight page for the latest deals!>/a>

Question 4

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Idaho?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London Heathrow Airport to Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/London-Heathrow-LHR/Idaho-USID'>Visit our flight page for the latest deals!>/a>

Question 5

Which airlines provide the cheapest flights from London Heathrow Airport to Idaho?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from London Heathrow Airport to Idaho were found on United Airlines ($632) and Lufthansa ($661).

Question 6

Which airlines provide the cheapest flights from London Heathrow Airport to Idaho?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from London Heathrow Airport to Idaho were found on United Airlines ($632) and Lufthansa ($661).

Question 7

What’s the cheapest day of the week to fly from London Heathrow Airport to Idaho?

Accepted Answer

When flying from London Heathrow Airport to Idaho, you should consider leaving on a Thursday and avoid Sundays if you are looking for the best rates. For your return to London Heathrow Airport, you’ll find the best rates on Tuesdays and the most expensive ones on Fridays.

Question 8

What’s the cheapest day of the week to fly from London Heathrow Airport to Idaho?

Accepted Answer

When flying from London Heathrow Airport to Idaho, you should consider leaving on a Thursday and avoid Sundays if you are looking for the best rates. For your return to London Heathrow Airport, you’ll find the best rates on Tuesdays and the most expensive ones on Fridays.

Question 9

What is the cheapest time of day to fly to Idaho?

Accepted Answer

The cheapest time of day to fly to Idaho is generally in the afternoon, when round-trip flights cost $1,053 on average. The most expensive time of day to fly to Idaho is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,056.

Question 10

What is the cheapest month to fly from London Heathrow Airport to Idaho?

Accepted Answer

The cheapest month for flights from London Heathrow Airport to Idaho is January, when tickets cost $756 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of round-trip tickets is $1,141 and $1,120 respectively.

Question 11

What is the cheapest month to fly from London Heathrow Airport to Idaho?

Accepted Answer

The cheapest month for flights from London Heathrow Airport to Idaho is January, when tickets cost $756 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of round-trip tickets is $1,141 and $1,120 respectively.

Question 12

How far in advance should I book a flight from London Heathrow Airport to Idaho?

Accepted Answer

To get a below average price on the flight from London Heathrow Airport to Idaho, you should book around 2 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Question 13

How far in advance should I book a flight from London Heathrow Airport to Idaho?

Accepted Answer

To get a below average price on the flight from London Heathrow Airport to Idaho, you should book around 2 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Question 14

How long does a flight from London Heathrow Airport to Idaho take?

Accepted Answer

The duration of a flight to Idaho depends on your arrival airport. The shortest routes to Idaho from London Heathrow Airport are to Boise, which takes 13h 23m, Hailey, which takes 17h 15m, and Idaho Falls, which takes 17h 44m.

Question 15

How long does a flight from London Heathrow Airport to Idaho take?

Accepted Answer

The duration of a flight to Idaho depends on your arrival airport. The shortest routes to Idaho from London Heathrow Airport are to Boise, which takes 13h 23m, Hailey, which takes 17h 15m, and Idaho Falls, which takes 17h 44m.

Low season	January
High season	May
Cheapest flight	$482

$482 Find Cheap Flights from London Heathrow Airport to Idaho

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KAYAK's insights & trends for Heathrow to Idaho flights

Get data-powered insights and trends into flights from Heathrow to Idaho to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from London Heathrow Airport to Idaho?

The cheapest month for flights from London Heathrow Airport to Idaho is January, when tickets cost $756 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of round-trip tickets is $1,141 and $1,120 respectively.

What’s the cheapest day of the week to fly from London Heathrow Airport to Idaho?

When flying from London Heathrow Airport to Idaho, you should consider leaving on a Thursday and avoid Sundays if you are looking for the best rates. For your return to London Heathrow Airport, you’ll find the best rates on Tuesdays and the most expensive ones on Fridays.

How far in advance should I book a flight from London Heathrow Airport to Idaho?

To get a below average price on the flight from London Heathrow Airport to Idaho, you should book around 2 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Which airlines provide the cheapest flights from London Heathrow Airport to Idaho?

In the past 3 days, the cheapest round-trip tickets from London Heathrow Airport to Idaho were found on United Airlines ($632) and Lufthansa ($661).

How long does a flight from London Heathrow Airport to Idaho take?

The duration of a flight to Idaho depends on your arrival airport. The shortest routes to Idaho from London Heathrow Airport are to Boise, which takes 13h 23m, Hailey, which takes 17h 15m, and Idaho Falls, which takes 17h 44m.

Good to know

FAQs - booking Idaho flights

How does KAYAK find such low prices on flights from London Heathrow Airport to Idaho?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Idaho.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Idaho?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Heathrow Airport to Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from London Heathrow Airport to Idaho?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from London Heathrow Airport to Idaho with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Idaho?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London Heathrow Airport to Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

What is the cheapest time of day to fly to Idaho?

The cheapest time of day to fly to Idaho is generally in the afternoon, when round-trip flights cost $1,053 on average. The most expensive time of day to fly to Idaho is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,056.

Everything you need to know for your flight from Heathrow to Idaho

Information on your arrival and departure airports

Cabin class types available on flights to Heathrow

Complete your trip to Idaho with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to Heathrow

Flights to popular cities in Idaho

Find deals for your return flight