£435 Cheap flights to Idaho
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Idaho departing on 22/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find flights to these popular cities in Idaho from your nearest airport.
Flights to Boise
Search all flight deals to BoiseFlights to Idaho Falls
Search all flight deals to Idaho FallsFlights to Hailey
Search all flight deals to HaileyFlights to Lewiston, Idaho
Search all flight deals to Lewiston, IdahoFind the cheapest flights from the United Kingdom to Idaho
Recent return flight deals from the United Kingdom to Idaho
Recent one-way flight deals from the United Kingdom to Idaho
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Fly from
Route
Depart
Return
LondonBoise
LHR London Heathrow - BOI Boise Air Term. Gowen Fld
LHRBOI
London Heathrow
Sun 1/11
06:40-00:04
2 stops23h 24m
Boise Air Term. Gowen Fld
Sat 14/11
16:10-17:40
2 stops18h 30m
LondonBoise
LHR London Heathrow - BOI Boise Air Term. Gowen Fld
LHRBOI
London Heathrow
Wed 28/10
18:00-11:31
2 stops47h 31m
Boise Air Term. Gowen Fld
Wed 4/11
06:30-06:30
2 stops17h 00m
LondonBoise
LHR London Heathrow - BOI Boise Air Term. Gowen Fld
LHRBOI
London Heathrow
Tue 17/11
07:40-23:33
2 stops22h 53m
Boise Air Term. Gowen Fld
Tue 24/11
10:34-09:40
1 stop16h 06m
LondonBoise
LHR London Heathrow - BOI Boise Air Term. Gowen Fld
LHRBOI
London Heathrow
Tue 17/11
14:45-23:49
1 stop16h 04m
Boise Air Term. Gowen Fld
Tue 24/11
16:20-12:20
1 stop13h 00m
LondonBoise
LHR London Heathrow - BOI Boise Air Term. Gowen Fld
LHRBOI
London Heathrow
Tue 3/11
07:40-23:33
2 stops22h 53m
Boise Air Term. Gowen Fld
Tue 10/11
12:31-12:00
1 stop16h 29m
LondonIdaho Falls
LHR London Heathrow - IDA Idaho Falls Fanning Field
LHRIDA
London Heathrow
Wed 10/2
14:45-22:53
1 stop15h 08m
Idaho Falls Fanning Field
Sun 14/2
06:15-12:20
1 stop23h 05m
ManchesterBoise
MAN Manchester - BOI Boise Air Term. Gowen Fld
MANBOI
Manchester
Sun 15/11
17:00-18:03
2 stops56h 03m
Boise Air Term. Gowen Fld
Sun 22/11
12:31-17:00
2 stops45h 29m
ManchesterBoise
MAN Manchester - BOI Boise Air Term. Gowen Fld
MANBOI
Manchester
Wed 18/11
07:15-22:51
2 stops22h 36m
Boise Air Term. Gowen Fld
Wed 25/11
12:31-11:30
2 stops15h 59m
LondonLewiston
LHR London Heathrow - LWS Lewiston Nez Perce Rgnl
LHRLWS
London Heathrow
Thu 25/3
12:20-22:49
1 stop17h 29m
Lewiston Nez Perce Rgnl
Sun 4/4
12:30-15:35
2 stops19h 05m
LondonLewiston
LHR London Heathrow - LWS Lewiston Nez Perce Rgnl
LHRLWS
London Heathrow
Thu 25/3
20:25-22:49
2 stops33h 24m
Lewiston Nez Perce Rgnl
Sun 4/4
12:30-15:35
2 stops19h 05m
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Idaho flights insights and trends
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Cheapest flights to cities in Idaho
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Cheap Idaho flight deals and tips
Summary info about Idaho flight prices, duration and airlines
Best One-Way Price | £446 |
|---|---|
Best Round-Trip Price | £626 |
Fastest flight time | 36h 38m |
Frequently asked questions about flying to Idaho
What is the cheapest flight I can find to Idaho?
The average flight to Idaho costs £332/per person and the cheapest flight to Idaho is £260/per person. This price varies based on a multitude of factors such as departure airport, airline, time of booking and when you plan on travelling.
What is the best airport to fly into to visit Boise?
84% of momondo users visit Boise more often than any other city in Idaho. When travelling to Boise, typically the most convenient airport to fly into is Boise Airport.
What is the weather like in Idaho?
Temperatures in Idaho can vary between -1 °C and 24 °C based on the time of year. Typically, the coldest month in Idaho will be December, and the warmest month will be July. It is also worth noting that those looking to avoid rain and/or snow should consider travelling to Idaho in August, July, and September, as that is when precipitation is least likely.
Which airlines fly to Idaho?
Of the 6 airlines that fly to Idaho, United Airlines, Virgin Atlantic and Lufthansa happen to be the most favoured based on our user data. United Airlines is the most popular among the three airlines, with 38% of users choosing them for their travels to Idaho.
When did momondo last update prices for flights to Idaho?
Prices for flights to Idaho were last updated today.
How many operators does momondo search for flights to Idaho?
As of October 2026, there are 6 operators available to choose from for flights to Idaho.
How old do you have to be to fly to Idaho?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal to Idaho?
Finding the right flight to Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.
Can I find flights to Idaho with flexible booking policies on momondo?
Yes. All flights to Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights to Idaho?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Idaho.
I’m not ready to book a flight to Idaho right now. Can momondo alert me if prices change?
Yes. momondo can track flight prices for Idaho and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.