Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Idaho
Cheap round-trip flights
Cheap one-way flights
United Airlines flights from London Heathrow Airport to Idaho
Our best United Airlines deals on London Heathrow Airport to Idaho flight tickets
Lufthansa flights from London Heathrow Airport to Idaho
Our best Lufthansa deals on London Heathrow Airport to Idaho flight tickets
See travel insights to Idaho from
How to get the cheapest flight ticket from London Heathrow Airport to Idaho
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Idaho?
In general, January is the cheapest month to fly from London Heathrow Airport to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $749. If you don’t want to visit Idaho in January, then you should wait until November to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $787.
What is the cheapest day to depart on your flight to Idaho?
Our data shows that Thursday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $907. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,365.
What is the cheapest time of day to depart on your flight to Idaho?
According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from London Heathrow Airport to Idaho at noon for as low as $1,053. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $1,056 per ticket.
How far in advance should I book a flight to Idaho?
You are more likely to see cheaper flights to Idaho from London Heathrow Airport when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $938 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from London Heathrow Airport for as low as $770 on momondo.
Cheap London Heathrow Airport to Idaho flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Idaho
When did momondo last update prices for flights from London Heathrow Airport to Idaho?
Prices for flights from London Heathrow Airport to Idaho refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Idaho?
There is 1 operator available for flights from London Heathrow Airport to Idaho as of June 2025.
How old do you have to be to fly from London Heathrow Airport to Idaho?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from London to Idaho?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Idaho. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Idaho with flexible booking policies on momondo?
momondo does allow users to show only those flights to Idaho from London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from London to Idaho?
momondo helps you find the best flight between London and Idaho by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from London to Idaho right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Idaho now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho and let you know when they change.