Cheap flights from Idaho (ID) to Portugal

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How to find the cheapest flight from
Idaho to Portugal

All the information you need to plan the best null to LIS flight in 2022: compare Idaho to Portugal flight prices with the expected peak season, weather and rainfall in Portugal.
When is the cheapest time to fly from Idaho to Portugal (ID - PT)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Portugal as you normally would.

What is the cheapest month to fly from Idaho to Portugal?

The best pricing can be found in the month of January. Prices to Portugal from Idaho average $1,012. You can even find prices in January for less than $1,012, as users have found deals to Portugal from as low as $605. The month of July appears to be one of the more expensive times to travel to Portugal from Idaho. Flying in the targeted month can save you up to 84%.

Cheap flights from Idaho to Portugal in August, September 2022

The best prices found for Idaho to Portugal flights for August, September
30 Sep - 10 Oct
$893pp
BOI
Boise Air Term. Gowen Fld
Air France
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Air France
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
27 Sep - 7 Oct
$928pp
GEG
Spokane
Delta
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Delta
   
2 STOPS
GEG
Spokane
26 Sep - 4 Oct
$940pp
BOI
Boise Air Term. Gowen Fld
Delta
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Delta
   
2 STOPS
BOI
Boise Air Term. Gowen Fld

Idaho to Portugal 2022 flight deals

Cheap flights to Portugal from Idaho found for this year
11 Oct - 26 Oct
$835pp
BOI
Boise Air Term. Gowen Fld
Delta
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Delta
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
3 Dec - 10 Jan
$839pp
GEG
Spokane
United Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United Airlines
   
2 STOPS
GEG
Spokane
7 Nov - 13 Nov
$887pp
BOI
Boise Air Term. Gowen Fld
American Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
American Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld

Cheap Air France flights from Idaho to Portugal

4 Feb - 17 Feb
$831pp
GEG
Spokane
Air France
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Air France
   
2 STOPS
GEG
Spokane
5 Feb - 17 Feb
$842pp
GEG
Spokane
Air France
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Air France
   
2 STOPS
GEG
Spokane
4 Feb - 18 Feb
$881pp
GEG
Spokane
Air France
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Air France
   
2 STOPS
GEG
Spokane

Cheap Delta flights from Idaho to Portugal

11 Oct - 26 Oct
$835pp
BOI
Boise Air Term. Gowen Fld
Delta
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Delta
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
5 Feb - 19 Feb
$878pp
GEG
Spokane
Delta
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Delta
   
2 STOPS
GEG
Spokane
3 Feb - 17 Feb
$890pp
GEG
Spokane
Delta
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Delta
   
2 STOPS
GEG
Spokane

Last minute flights from Idaho to Portugal

Late deals on round-trip flights to Portugal from Idaho, departing today and this week
17 Aug - 19 Oct
$1,465pp
GEG
Spokane
Multiple Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
   
2 STOPS
GEG
Spokane
17 Aug - 19 Oct
$1,517pp
GEG
Spokane
Multiple Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
   
2 STOPS
GEG
Spokane
17 Aug - 19 Oct
$1,579pp
GEG
Spokane
Multiple Airlines
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
   
2 STOPS
GEG
Spokane

One-way flights to Portugal from Idaho

The cheapest one-way flights from Idaho to Portugal
4:00 am - 7:15 am
Multiple Airlines
1 Stop
20h 15m
BOI - LIS
Multiple Airlines
$549
Kiwi.com
4:00 am - 6:25 am
Multiple Airlines
2 Stops
19h 25m
BOI - LIS
Multiple Airlines
$597
KAYAK
3:55 pm - 7:00 am
Multiple Airlines
2 Stops
31h 05m
GEG - LIS
Multiple Airlines
$643
FareScan

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Idaho</span> to <span class="emphasized">Portugal</span> flights.

Flight FAQs

From Idaho to Portugal

Which airlines flying from Idaho to Portugal have flexible cancellations due to COVID-19?

United Airlines, Delta, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Idaho to Portugal for under $900 on Cheapflights?

Yes, there are multiple flights from Idaho to Portugal for under $900. The cheapest flight booked recently is on Air France for just $831, but on average you can expect to pay $880.

Are there last-minute flights available from Idaho to Portugal for under $1,500?

There are currently 15+ open flights from Idaho to Portugal within the next 7 days for less than $1,500.

COVID Restrictions

View COVID Travel Restrictions for Portugal

Do I need a COVID test to fly to Portugal from Idaho?

Information is based on travel restrictions from Idaho to Portugal

Most visitors from Idaho can enter Portugal without restrictions.

COVID-19 testing requirements
Visitors from Idaho are not required to present a negative COVID-19 PCR test or antigen result upon entering Portugal.

Quarantine requirements
Visitors from Idaho are not required to quarantine after entering Portugal.

Do I need a test to fly back to Idaho from Portugal?

Returning to Idaho from Portugal

COVID-19 testing requirements
Visitors from Portugal are not required to present a negative COVID-19 PCR test or antigen result upon entering Idaho.

Quarantine requirements
Visitors from Portugal are not required to quarantine after entering Idaho.

Hide COVID Travel Restrictions for Portugal

Top 3 airlines flying from Idaho to Portugal

The chart below displays the airlines Cheapflights users traveling from Idaho to Portugal choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$462 $1,026 No cancel fee 69%
Delta
$627 $1,081 No cancel fee N/A
American Airlines
$758 $977 No cancel fee 71%
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