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Cheap flights from Idaho to Luxembourg from $720

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Luxembourg departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Idaho to Luxembourg

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:39 pm - 4:40 pm
BOI
-
LUX
18h 01m
2 stops
United Airlines Logo
9:30 am - 11:46 pm
LUX
-
BOI
22h 16m
2 stops
$720United Airlines
Mon, Nov 9 - Thu, Nov 12
United Airlines Logo
8:23 am - 4:40 pm
BOI
-
LUX
24h 17m
2 stops
United Airlines Logo
9:30 am - 4:59 pm
LUX
-
BOI
39h 29m
3 stops
$730United Airlines
Mon, Nov 9 - Thu, Nov 12
United Airlines Logo
7:06 am - 4:05 pm
BOI
-
LUX
24h 59m
2 stops
United Airlines Logo
8:20 am - 9:24 pm
LUX
-
BOI
21h 04m
2 stops
$778United Airlines
Tue, Aug 4 - Wed, Aug 19
United Airlines Logo
7:05 pm - 4:05 pm
BOI
-
LUX
37h 00m
2 stops
United Airlines Logo
8:20 am - 10:40 pm
LUX
-
BOI
22h 20m
2 stops
$783United Airlines
Sat, Aug 8 - Thu, Aug 20
Lufthansa Logo
10:20 am - 4:05 pm
BOI
-
LUX
21h 45m
2 stops
Lufthansa Logo
8:10 pm - 9:37 pm
LUX
-
BOI
33h 27m
2 stops
$795Lufthansa
Tue, Aug 4 - Tue, Aug 18
Lufthansa Logo
2:41 pm - 4:05 pm
BOI
-
LUX
41h 24m
2 stops
Lufthansa Logo
8:10 pm - 9:37 pm
LUX
-
BOI
33h 27m
2 stops
$800Lufthansa
Sun, Aug 9 - Tue, Aug 18
United Airlines Logo
7:05 pm - 7:30 pm
BOI
-
LUX
16h 25m
2 stops
United Airlines Logo
8:30 am - 11:28 am
LUX
-
BOI
58h 58m
2 stops
$804United Airlines
Wed, Aug 5 - Tue, Aug 18
United Airlines Logo
7:05 pm - 4:05 pm
BOI
-
LUX
37h 00m
2 stops
United Airlines Logo
8:30 am - 11:28 am
LUX
-
BOI
58h 58m
2 stops
$809United Airlines
Sat, Aug 8 - Tue, Aug 18
Delta Logo
3:29 pm - 5:35 pm
BOI
-
LUX
18h 06m
2 stops
Delta Logo
6:00 am - 5:19 pm
LUX
-
BOI
19h 19m
2 stops
$829Delta
Tue, Aug 4 - Fri, Aug 14
Delta Logo
3:29 pm - 5:35 pm
BOI
-
LUX
18h 06m
2 stops
Delta Logo
10:30 am - 5:55 pm
LUX
-
BOI
39h 25m
2 stops
$830Delta
Thu, Aug 6 - Wed, Aug 19

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United Airlines flights from Idaho to Luxembourg

Our best United Airlines deals on Idaho to Luxembourg flight tickets
United Airlines
Nov 9
BOI2:39 pmBoise Air Term. Gowen Fld
18h 01m
2 stops
LUX4:40 pmLuxembourg
Nov 12
LUX9:30 amLuxembourg
22h 16m
2 stops
BOI11:46 pmBoise Air Term. Gowen Fld
$720
United Airlines
Nov 9
BOI8:23 amBoise Air Term. Gowen Fld
24h 17m
2 stops
LUX4:40 pmLuxembourg
Nov 12
LUX9:30 amLuxembourg
39h 29m
3 stops
BOI4:59 pmBoise Air Term. Gowen Fld
$730
United Airlines
Aug 4
BOI7:06 amBoise Air Term. Gowen Fld
24h 59m
2 stops
LUX4:05 pmLuxembourg
Aug 19
LUX8:20 amLuxembourg
21h 04m
2 stops
BOI9:24 pmBoise Air Term. Gowen Fld
$778

Lufthansa flights from Idaho to Luxembourg

Our best Lufthansa deals on Idaho to Luxembourg flight tickets
Lufthansa
Aug 4
BOI10:20 amBoise Air Term. Gowen Fld
21h 45m
2 stops
LUX4:05 pmLuxembourg
Aug 18
LUX8:10 pmLuxembourg
33h 27m
2 stops
BOI9:37 pmBoise Air Term. Gowen Fld
$795
Lufthansa
Aug 9
BOI2:41 pmBoise Air Term. Gowen Fld
41h 24m
2 stops
LUX4:05 pmLuxembourg
Aug 18
LUX8:10 pmLuxembourg
33h 27m
2 stops
BOI9:37 pmBoise Air Term. Gowen Fld
$800
Lufthansa
Aug 6
BOI10:20 amBoise Air Term. Gowen Fld
25h 10m
2 stops
LUX7:30 pmLuxembourg
Aug 18
LUX8:10 pmLuxembourg
33h 27m
2 stops
BOI9:37 pmBoise Air Term. Gowen Fld
$845

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Luxembourg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 6, 2026.
Use the filters below to find and compare flights from Idaho to Luxembourg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Mon 11/9

2:39 pm-4:40 pm

2 stops18h 01m

Luxembourg

Thu 11/12

9:30 am-11:46 pm

2 stops22h 16m

$720

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Mon 11/9

8:23 am-4:40 pm

2 stops24h 17m

Luxembourg

Thu 11/12

9:30 am-4:59 pm

3 stops39h 29m

$730

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Tue 8/4

7:06 am-4:05 pm

2 stops24h 59m

Luxembourg

Wed 8/19

8:20 am-9:24 pm

2 stops21h 04m

$778

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Sat 8/8

7:05 pm-4:05 pm

2 stops37h 00m

Luxembourg

Thu 8/20

8:20 am-10:40 pm

2 stops22h 20m

$783

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Tue 8/4

10:20 am-4:05 pm

2 stops21h 45m

Luxembourg

Tue 8/18

8:10 pm-9:37 pm

2 stops33h 27m

$795

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Sun 8/9

2:41 pm-4:05 pm

2 stops41h 24m

Luxembourg

Tue 8/18

8:10 pm-9:37 pm

2 stops33h 27m

$800

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Wed 8/5

7:05 pm-7:30 pm

2 stops16h 25m

Luxembourg

Tue 8/18

8:30 am-11:28 am

2 stops58h 58m

$804

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Sat 8/8

7:05 pm-4:05 pm

2 stops37h 00m

Luxembourg

Tue 8/18

8:30 am-11:28 am

2 stops58h 58m

$809
Quickest round-trip

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Tue 8/4

3:29 pm-5:35 pm

2 stops18h 06m

Luxembourg

Fri 8/14

6:00 am-5:19 pm

2 stops19h 19m

$829

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Thu 8/6

3:29 pm-5:35 pm

2 stops18h 06m

Luxembourg

Wed 8/19

10:30 am-5:55 pm

2 stops39h 25m

$830

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Idaho to Luxembourg flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Luxembourg

Fastest flight time

18h 01m

Direct flights

None
The fastest flight from Idaho to Luxembourg takes 18h 01m
There are no direct flights from Idaho to Luxembourg. There are no popular flight routes from Idaho to Luxembourg.
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Frequently asked questions about flying from Idaho to Luxembourg

  • When did momondo last update prices for flights from Idaho to Luxembourg?

    Prices for flights from Idaho to Luxembourg refresh daily.

  • How old do you have to be to fly from Idaho to Luxembourg?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Luxembourg.

  • What documentation or ID do you need to fly to Luxembourg?

    The required travel and health documents for your Luxembourg 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 Luxembourg. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Idaho to Luxembourg

  • How do I get Price Alerts for flights from Idaho to Luxembourg?

    Confirm your travel details to search for the latest offers for flights from Idaho to Luxembourg. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Idaho to Luxembourg with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Luxembourg?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Luxembourg. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Idaho to Luxembourg with flexible booking policies on momondo?

Flights from Idaho to Luxembourg with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho to Luxembourg?

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 from Idaho to Luxembourg.

I’m not ready to book a flight from Idaho to Luxembourg right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Luxembourg flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Popular flights according to clicks in the last 7 days on momondo
Flights to Luxembourgfrom $500