Cheap flights from Idaho to Portugal from $369
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Portugal departing on 8/15. 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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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 February. Flight prices, which tend to average around $726, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Idaho during November instead. Flights to Portugal in November, while not as cheap as those in February, still average around $796.
What is the cheapest day to depart on your flight to Portugal?
According to our data, Wednesday is the cheapest day to fly to Portugal from Idaho. The lowest ticket price found for a Wednesday departure recently was $1,041. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Saturday, with ticket prices averaging around $1,444.
What is the cheapest time of day to depart on your flight to Portugal?
Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Idaho to Portugal during this time can be as low as $1,071. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,393 per ticket.
How far in advance should I book a flight to Portugal?
You are more likely to see cheaper flights to Portugal from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $1,060 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Idaho for as low as $722 on momondo.
What is the cheapest airline that flies from Idaho to Portugal?
United Airlines and Air Canada are the most popular carriers operating from Idaho to Portugal
What airlines fly to Portugal?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Portugal from Idaho according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 4 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
Cheap Idaho to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight 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?
As of June 2025, there are 5 operators available to choose from 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 | ||
|---|---|---|---|---|---|
| PriceFrom $601 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $613 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $654 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $701 | Free Cancellation | Rating 7.1 9,568 reviews |
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.