Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Idaho to Portugal from $328

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:24 pm - 6:55 amBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
31h 31m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
10:55 am - 9:27 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
41h 32m2 stops Toronto Pearson Intl Denver Intl
$713United Airlines
Tue, Dec 1 - Thu, Dec 10
Multiple Airlines Logo
5:40 am - 10:35 amBOI  Boise Air Term. Gowen Fld-OPO Porto
21h 55m2 stops Minneapolis St Paul Paris Charles de Gaulle
Multiple Airlines Logo
5:00 am - 8:30 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
22h 30m2 stops Amsterdam Schiphol Minneapolis St Paul
$716Multiple Airlines
Sun, Feb 28 - Fri, Mar 5
KLM Logo
11:30 am - 3:25 pmBOI  Boise Air Term. Gowen Fld-OPO Porto
20h 55m2 stops Salt Lake City Amsterdam Schiphol
KLM Logo
11:15 am - 4:00 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
35h 45m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$720KLM
Mon, Feb 1 - Mon, Feb 15
Delta Logo
5:15 am - 8:00 amBOI  Boise Air Term. Gowen Fld-LIS Lisbon Humberto Delgado
19h 45m2 stops Minneapolis St Paul New York John F Kennedy Intl
Delta Logo
10:00 am - 11:52 pmLIS  Lisbon Humberto Delgado-BOI Boise Air Term. Gowen Fld
20h 52m2 stops New York John F Kennedy Intl Seattle/Tacoma Intl
$730Delta
Mon, Dec 7 - Thu, Dec 17
United Airlines Logo
7:00 am - 9:45 amBOI  Boise Air Term. Gowen Fld-OPO Porto
19h 45m2 stops Denver Intl Newark
United Airlines Logo
12:00 pm - 7:16 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
38h 16m2 stops Frankfurt am Main San Francisco
$749United Airlines
Sun, Apr 18 - Mon, May 3
United Airlines Logo
5:00 am - 9:45 amBOI  Boise Air Term. Gowen Fld-OPO Porto
21h 45m2 stops Denver Intl Newark
United Airlines Logo
12:00 pm - 7:16 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
38h 16m2 stops Frankfurt am Main San Francisco
$749United Airlines
Sun, Apr 18 - Mon, May 3
United Airlines Logo
7:00 am - 9:45 amBOI  Boise Air Term. Gowen Fld-OPO Porto
19h 45m2 stops Denver Intl Newark
United Airlines Logo
12:00 pm - 9:43 amOPO  Porto-BOI Boise Air Term. Gowen Fld
52h 43m2 stops Frankfurt am Main Denver Intl
$754United Airlines
Sun, Apr 18 - Mon, May 3
Delta Logo
12:42 pm - 10:00 pmBOI  Boise Air Term. Gowen Fld-OPO Porto
26h 18m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 4:00 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
18h 00m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$766Delta
Mon, Feb 1 - Mon, Feb 22
Multiple Airlines Logo
10:40 am - 3:25 pmBOI  Boise Air Term. Gowen Fld-OPO Porto
21h 45m2 stops Denver Intl Frankfurt am Main
Multiple Airlines Logo
6:00 am - 2:56 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
63h 56m3 stops Frankfurt am Main Chicago O'Hare Intl San Francisco
$772Multiple Airlines
Mon, Feb 1 - Mon, Feb 15
Delta Logo
6:40 am - 10:00 pmBOI  Boise Air Term. Gowen Fld-OPO Porto
32h 20m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
Delta Logo
11:15 am - 5:53 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
37h 38m2 stops Amsterdam Schiphol Salt Lake City
$784Delta
Wed, Nov 25 - Wed, Dec 2

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.
Search flight deals

United Airlines flights from Idaho to Portugal

Our best United Airlines deals on Idaho to Portugal flight tickets
United Airlines
Dec 1
BOI4:24 pmBoise Air Term. Gowen Fld
31h 31m
2 stops
LIS6:55 amLisbon Humberto Delgado
Dec 10
LIS10:55 amLisbon Humberto Delgado
41h 32m
2 stops
BOI9:27 pmBoise Air Term. Gowen Fld
$713
United Airlines
Apr 18
BOI7:00 amBoise Air Term. Gowen Fld
19h 45m
2 stops
OPO9:45 amPorto
May 3
OPO12:00 pmPorto
38h 16m
2 stops
BOI7:16 pmBoise Air Term. Gowen Fld
$749
United Airlines
Apr 18
BOI7:00 amBoise Air Term. Gowen Fld
19h 45m
2 stops
OPO9:45 amPorto
May 3
OPO12:00 pmPorto
52h 43m
2 stops
BOI9:43 amBoise Air Term. Gowen Fld
$754

Delta flights from Idaho to Portugal

Our best Delta deals on Idaho to Portugal flight tickets
Delta
Dec 7
BOI5:15 amBoise Air Term. Gowen Fld
19h 45m
2 stops
LIS8:00 amLisbon Humberto Delgado
Dec 17
LIS10:00 amLisbon Humberto Delgado
20h 52m
2 stops
BOI11:52 pmBoise Air Term. Gowen Fld
$730
Delta
Feb 1
BOI12:42 pmBoise Air Term. Gowen Fld
26h 18m
2 stops
OPO10:00 pmPorto
Feb 22
OPO5:00 amPorto
18h 00m
2 stops
BOI4:00 pmBoise Air Term. Gowen Fld
$766
Delta
Nov 22
BOI11:10 pmBoise Air Term. Gowen Fld
28h 25m
2 stops
OPO10:35 amPorto
Dec 2
OPO11:15 amPorto
38h 23m
2 stops
BOI6:38 pmBoise Air Term. Gowen Fld
$784

momondo Fare Finder

 
Use the filters below to find and compare flights from Idaho to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Tue 12/1

4:24 pm-6:55 am

2 stops31h 31m

Lisbon Humberto Delgado

Thu 12/10

10:55 am-9:27 pm

2 stops41h 32m

$713

BoisePorto

BOI Boise Air Term. Gowen Fld - OPO Porto

BOIOPO

Boise Air Term. Gowen Fld

Sun 2/28

5:40 am-10:35 am

2 stops21h 55m

Porto

Fri 3/5

5:00 am-8:30 pm

2 stops22h 30m

$716

BoisePorto

BOI Boise Air Term. Gowen Fld - OPO Porto

BOIOPO

Boise Air Term. Gowen Fld

Mon 2/1

11:30 am-3:25 pm

2 stops20h 55m

Porto

Mon 2/15

11:15 am-4:00 pm

2 stops35h 45m

$720
Quickest round-trip

BoiseLisbon

BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado

BOILIS

Boise Air Term. Gowen Fld

Mon 12/7

5:15 am-8:00 am

2 stops19h 45m

Lisbon Humberto Delgado

Thu 12/17

10:00 am-11:52 pm

2 stops20h 52m

$730

BoisePorto

BOI Boise Air Term. Gowen Fld - OPO Porto

BOIOPO

Boise Air Term. Gowen Fld

Sun 4/18

7:00 am-9:45 am

2 stops19h 45m

Porto

Mon 5/3

12:00 pm-7:16 pm

2 stops38h 16m

$749

BoisePorto

BOI Boise Air Term. Gowen Fld - OPO Porto

BOIOPO

Boise Air Term. Gowen Fld

Sun 4/18

5:00 am-9:45 am

2 stops21h 45m

Porto

Mon 5/3

12:00 pm-7:16 pm

2 stops38h 16m

$749

BoisePorto

BOI Boise Air Term. Gowen Fld - OPO Porto

BOIOPO

Boise Air Term. Gowen Fld

Sun 4/18

7:00 am-9:45 am

2 stops19h 45m

Porto

Mon 5/3

12:00 pm-9:43 am

2 stops52h 43m

$754

BoisePorto

BOI Boise Air Term. Gowen Fld - OPO Porto

BOIOPO

Boise Air Term. Gowen Fld

Mon 2/1

12:42 pm-10:00 pm

2 stops26h 18m

Porto

Mon 2/22

5:00 am-4:00 pm

2 stops18h 00m

$766

BoisePorto

BOI Boise Air Term. Gowen Fld - OPO Porto

BOIOPO

Boise Air Term. Gowen Fld

Mon 2/1

10:40 am-3:25 pm

2 stops21h 45m

Porto

Mon 2/15

6:00 am-2:56 pm

3 stops63h 56m

$772

BoisePorto

BOI Boise Air Term. Gowen Fld - OPO Porto

BOIOPO

Boise Air Term. Gowen Fld

Wed 11/25

6:40 am-10:00 pm

2 stops32h 20m

Porto

Wed 12/2

11:15 am-5:53 pm

2 stops37h 38m

$784

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portugal from

How to get the cheapest flight ticket from Idaho to Portugal

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 Portugal?

The cheapest month to fly to Portugal from Idaho is in July. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of July, then book flights to Portugal from Idaho during January instead. Flights to Portugal in January, while not as cheap as those in July, still average around $0.

Cheap Idaho to Portugal flight deals and tips

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

Best Price Found

$328

Fastest flight time

16h 55m

Direct flights

None
The best one-way flight to Portugal from Idaho in the past 72 hours is $328. The best round-trip flight deal from Idaho to Portugal found on momondo in the last 72 hours is $713.
The fastest flight from Idaho to Portugal takes 16h 55m
There are no direct flights from Idaho to Portugal. There are no popular flight routes from Idaho to Portugal.
Search flight deals

Frequently asked questions about flying from Idaho to Portugal

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

    Prices for flights from Idaho to Portugal refresh daily.

  • How many operators does momondo search for flights from Idaho to Portugal?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Portugal.

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

    The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Portugal

Compare and see reviews for airlines that fly from Idaho to Portugal with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $549Free CancellationRating
7.8
8,650 reviews
Search Delta flights
United AirlinesPriceFrom $737Free CancellationRating
7.3
10,388 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Portugal from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portugal quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Portugal from Idaho which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Idaho to Portugal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Portugal from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 11/19
Thu 11/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $405
Flights to Portofrom $396
Flights to Funchalfrom $405
Flights to Farofrom $570
Flights to Ponta Delgadafrom $553
Flights to Lajesfrom $554
Flights to Hortafrom $550
Flights to Pico Islandfrom $557
Flights to Porto Santofrom $1,072
Flights to Velasfrom $557