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Cheap flights from Idaho to Luxembourg from $776

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 9/14. 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

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Find the cheapest flights from Idaho to Luxembourg

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:23 am - 7:30 pm
BOI
-
LUX
29h 07m
2 stops
United Airlines Logo
8:20 am - 7:16 pm
LUX
-
BOI
18h 56m
2 stops
$776United Airlines
Mon, Sep 14 - Wed, Sep 30
Lufthansa Logo
12:04 pm - 4:15 pm
BOI
-
LUX
20h 11m
2 stops
Lufthansa Logo
2:35 pm - 10:50 pm
LUX
-
BOI
40h 15m
2 stops
$822Lufthansa
Sun, Apr 26 - Sun, May 3
American Airlines Logo
6:09 am - 10:35 am
BOI
-
LUX
20h 26m
3 stops
American Airlines Logo
9:05 pm - 8:18 pm
LUX
-
BOI
31h 13m
2 stops
$833American Airlines
Mon, May 11 - Mon, May 18
United Airlines Logo
8:02 am - 4:10 pm
BOI
-
LUX
24h 08m
2 stops
United Airlines Logo
8:25 am - 10:50 pm
LUX
-
BOI
46h 25m
2 stops
$849United Airlines
Mon, May 11 - Mon, May 18
Lufthansa Logo
10:35 am - 4:10 pm
BOI
-
LUX
21h 35m
2 stops
Lufthansa Logo
6:05 am - 10:50 pm
LUX
-
BOI
24h 45m
2 stops
$856Lufthansa
Tue, Apr 14 - Thu, Apr 30
United Airlines Logo
5:46 pm - 7:30 pm
BOI
-
LUX
17h 44m
2 stops
United Airlines Logo
9:40 am - 11:55 pm
LUX
-
BOI
22h 15m
2 stops
$1,326United Airlines
Fri, Jun 19 - Tue, Jun 23
Multiple Airlines Logo
6:00 am - 10:40 am
BOI
-
LUX
20h 40m
3 stops
Multiple Airlines Logo
11:45 am - 11:41 pm
LUX
-
BOI
19h 56m
2 stops
$1,491Multiple Airlines
Tue, Apr 14 - Thu, Apr 30
Air Canada Logo
8:25 am - 1:50 pm
BOI
-
LUX
21h 25m
3 stops
Air Canada Logo
6:25 am - 7:16 pm
LUX
-
BOI
20h 51m
3 stops
$2,806Air Canada
Mon, Sep 14 - Wed, Sep 30
Air Canada Logo
8:30 am - 2:00 pm
BOI
-
LUX
21h 30m
3 stops
Air Canada Logo
6:05 am - 10:51 pm
LUX
-
BOI
24h 46m
3 stops
$2,822Air Canada
Fri, Jun 19 - Tue, Jun 23
United Airlines Logo
8:30 am - 7:45 am
BOI
-
LUX
39h 15m
2 stops
United Airlines Logo
8:30 am - 4:44 pm
LUX
-
BOI
40h 14m
3 stops
$3,687United Airlines
Fri, Jun 19 - Tue, Jun 23

United Airlines flights from Idaho to Luxembourg

Our best United Airlines deals on Idaho to Luxembourg flight tickets
United Airlines
Sep 14
BOI6:23 amBoise Air Term. Gowen Fld
29h 07m
2 stops
LUX7:30 pmLuxembourg
Sep 30
LUX8:20 amLuxembourg
18h 56m
2 stops
BOI7:16 pmBoise Air Term. Gowen Fld
$776
United Airlines
May 11
BOI8:02 amBoise Air Term. Gowen Fld
24h 08m
2 stops
LUX4:10 pmLuxembourg
May 18
LUX8:25 amLuxembourg
46h 25m
2 stops
BOI10:50 pmBoise Air Term. Gowen Fld
$849
United Airlines
Jun 19
BOI5:46 pmBoise Air Term. Gowen Fld
17h 44m
2 stops
LUX7:30 pmLuxembourg
Jun 23
LUX9:40 amLuxembourg
22h 15m
2 stops
BOI11:55 pmBoise Air Term. Gowen Fld
$1,326

Lufthansa flights from Idaho to Luxembourg

Our best Lufthansa deals on Idaho to Luxembourg flight tickets
Lufthansa
Apr 26
BOI12:04 pmBoise Air Term. Gowen Fld
20h 11m
2 stops
LUX4:15 pmLuxembourg
May 3
LUX2:35 pmLuxembourg
40h 15m
2 stops
BOI10:50 pmBoise Air Term. Gowen Fld
$822
Lufthansa
Apr 14
BOI10:35 amBoise Air Term. Gowen Fld
21h 35m
2 stops
LUX4:10 pmLuxembourg
Apr 30
LUX6:05 amLuxembourg
24h 45m
2 stops
BOI10:50 pmBoise Air Term. Gowen Fld
$856

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 March 31, 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 9/14

6:23 am-7:30 pm

2 stops29h 07m

Luxembourg

Wed 9/30

8:20 am-7:16 pm

2 stops18h 56m

$776

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Sun 4/26

12:04 pm-4:15 pm

2 stops20h 11m

Luxembourg

Sun 5/3

2:35 pm-10:50 pm

2 stops40h 15m

$822

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Mon 5/11

6:09 am-10:35 am

3 stops20h 26m

Luxembourg

Mon 5/18

9:05 pm-8:18 pm

2 stops31h 13m

$833

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Mon 5/11

8:02 am-4:10 pm

2 stops24h 08m

Luxembourg

Mon 5/18

8:25 am-10:50 pm

2 stops46h 25m

$849

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Tue 4/14

10:35 am-4:10 pm

2 stops21h 35m

Luxembourg

Thu 4/30

6:05 am-10:50 pm

2 stops24h 45m

$856
Quickest round-trip

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Fri 6/19

5:46 pm-7:30 pm

2 stops17h 44m

Luxembourg

Tue 6/23

9:40 am-11:55 pm

2 stops22h 15m

$1,326

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Tue 4/14

6:00 am-10:40 am

3 stops20h 40m

Luxembourg

Thu 4/30

11:45 am-11:41 pm

2 stops19h 56m

$1,491

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Mon 9/14

8:25 am-1:50 pm

3 stops21h 25m

Luxembourg

Wed 9/30

6:25 am-7:16 pm

3 stops20h 51m

$2,806

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Fri 6/19

8:30 am-2:00 pm

3 stops21h 30m

Luxembourg

Tue 6/23

6:05 am-10:51 pm

3 stops24h 46m

$2,822

BoiseLuxembourg

BOI - LUX

BOILUX

Boise Air Term. Gowen Fld

Fri 6/19

8:30 am-7:45 am

2 stops39h 15m

Luxembourg

Tue 6/23

8:30 am-4:44 pm

3 stops40h 14m

$3,687

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

17h 44m

Direct flights

None
The fastest flight from Idaho to Luxembourg takes 17h 44m
There are no direct flights from Idaho to Luxembourg. There are no popular flight routes from Idaho to Luxembourg.
Search flight deals

  • 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.

  • 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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