Are direct flights from Boise to Lisbon always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, flights with one or more connections can often be more budget-friendly. The 'best' option usually depends on your priorities for cost versus convenience.

Can flexible travel dates help on Boise to Lisbon flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons may result in lower fares. Adjusting your departure or return by a few days can sometimes unlock better deals.

What extra costs should I check before booking Boise to Lisbon flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Also, consider transportation from the airport to your final destination. These additional expenses can impact the overall cost of your trip.

Flights From Boise

To Lisbon

Cheap Flights from Boise to Lisbon

Browse current best options from Boise. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Boise

RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon

Prices updated today

456 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 31, 2026.)

Today’s best flight deals from Boise to Lisbon

Explore current cheapest deals departing from Boise to Lisbon

2027-02-03 – 2027-02-17
BOI - Lisbon
80% AI deal score
$776
$735
Round trip
2026-11-03 – 2026-11-10
BOI - Lisbon
81% AI deal score
$829
$746
Round trip
2027-02-08 – 2027-02-17
BOI - Lisbon
78% AI deal score
$779
$747
Round trip
2027-02-10 – 2027-02-16
BOI - Lisbon
78% AI deal score
$784
$747
Round trip
2027-02-14 – 2027-02-21
BOI - Lisbon
78% AI deal score
$788
$785
Round trip
2027-01-10 – 2027-01-16
BOI - Lisbon
81% AI deal score
$863
$786
Round trip
2027-02-16 – 2027-02-23
BOI - Lisbon
77% AI deal score
$791
$790
Round trip
2026-10-20 – 2026-10-27
BOI - Lisbon
78% AI deal score
$820
$832
Round trip
2026-10-15 – 2026-10-27
BOI - Lisbon
77% AI deal score
$780
$882
Round trip
2026-10-05 – 2026-10-11
BOI - Lisbon
77% AI deal score
$820
$891
Round trip

Boise to Lisbon: Overview

Insights for flights from Boise to Lisbon

Most itineraries from Boise to Lisbon connect at least once. Right now, fares for cheap flights from Boise to Lisbon typically range from $717–$1520, with a median of $885. Current fares are above the typical level, and only 8% of recent fares were classified as a good price. New deals show up several times a week, so setting a price alert can be beneficial.

If you are looking for the cheapest time to fly from Boise to Lisbon, the data indicates that February is typically the most affordable month, with a median fare of $561. Other cost-effective options include October, with a median fare of $581, and January, where the median fare is $582.

A typical journey from Boise to Lisbon takes approximately 30h 56m, including connections. This is a long-haul route, covering a substantial distance of 8295 km between the two cities. Given that there are no direct flights from Boise to Lisbon, most itineraries involve at least 2 stopovers.

How much is a round trip from Boise to Lisbon

Regular price: $619 - $1,786

Prices for flights from Boise to Lisbon are currently within the regular range.

The regular price range for this route is between $619 and $1786. The current lowest deal is $721 with Iberia Airlines, for travel from Feb 2 to Feb 16.

now $721

Low $619

High $1,786

The cheapest time to fly from Boise to Lisbon

The cheapest month to fly from Boise to Lisbon is February, with a median price of $561. The most expensive month is July, with a median price of $1566. Prices are generally lower from January to December.

February

Cheapest

Direct flights from Boise to Lisbon

Alaska Airlines, Inc.

TAP Portugal

Deutsche Luft Hansa

KLM

Last-minute flights going from Boise to Lisbon

Wed, Aug 26

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,014

$1,872

One-way

Thu, Aug 27

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,027

$2,247

One-way

Thu, Aug 27

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,357

$2,443

One-way

Sat, Aug 29

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,018

$1,694

One-way

Sun, Aug 30

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Air France

$1,260

$2,216

One-way

Sun, Aug 30

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,003

$2,316

One-way

Biggest price drops on these dates for flights from Boise to Lisbon

7 nights

Nov 3 - Nov 10

$829 → $746

10%

6 nights

Jan 10 - Jan 16

$863 → $786

14 nights

Feb 3 - Feb 17

$776 → $735

7 nights

Feb 14 - Feb 21

$788 → $785

Popular Airports to fly from Boise to Lisbon

Boise - Lisbon route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Boise to Lisbon are above the typical level at $721.

📅 Best time to fly

February offers the lowest median prices

Historically, February, October, and January offer the lowest median prices for this route.

⏱️ Flight duration

Flights typically take 30h 56m

The median flight duration from Boise to Lisbon is 30h 56m, with 2 stopovers.

✈️ Airlines & availability

Connecting flights are common

This route is connecting-dominant, with no direct flights available in recent data.

🏆 Airline highlight

Iberia Airlines offers a recent deal

A recent deal from Iberia Airlines was found for $721 via Skyscanner.

🎯 Booking tip

Deals appear regularly

Deals for flights from Boise to Lisbon appear regularly, offering frequent opportunities.

Boise main airports to depart from

Business & First Class Flight Deals to Lisbon

Discover luxury on the budget with premium cabin class on flights from Boise to Lisbon.

Elite

Best Elite deals to Lisbon

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From BOI

Elite

Dec 16

Lisbon, Portugal

92% AI deal score

$5,723

$3,479

Save $2,244

United Airlines

Business Class

From BOI

Elite

Oct 23

Lisbon, Portugal

91% AI deal score

$5,343

$3,719

Save $1,624

Alaska Airlines, Inc., +1

Business Class

From BOI

Elite

Nov 07

Lisbon, Portugal

91% AI deal score

$5,352

$3,867

Save $1,485

Alaska Airlines, Inc., +1

Business Class

From BOI

Elite

Oct 31

Lisbon, Portugal

91% AI deal score

$5,568

$3,898

Save $1,670

Alaska Airlines, Inc., +1

Business Class

From BOI

Elite

Oct 18

Lisbon, Portugal

91% AI deal score

$5,870

$3,954

Save $1,916

Alaska Airlines, Inc., +1

Business Class

From BOI

Elite

Oct 18

Lisbon, Portugal

90% AI deal score

$5,342

$3,864

Save $1,478

Alaska Airlines, Inc., +1

Business Class

From BOI

Elite

Oct 29

Lisbon, Portugal

90% AI deal score

$5,505

$3,919

Save $1,586

Alaska Airlines, Inc., +1

Business Class

From BOI

Elite

Oct 22

Lisbon, Portugal

90% AI deal score

$5,343

$3,921

Save $1,422

Alaska Airlines, Inc., +1

Business Class

From BOI

Elite

Feb 06

Lisbon, Portugal

90% AI deal score

$5,249

$3,932

Save $1,317

Alaska Airlines, Inc., +1

Business Class

From BOI

Elite

Nov 30

Lisbon, Portugal

90% AI deal score

$5,552

$3,949

Save $1,603

Alaska Airlines, Inc., +1

Business Class

From BOI

Elite

Nov 25

Lisbon, Portugal

90% AI deal score

$5,490

$3,964

Save $1,526

Alaska Airlines, Inc., +1

Business Class

From BOI

Elite

Nov 07

Lisbon, Portugal

90% AI deal score

$5,254

$3,989

Save $1,265

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to Lisbon

Finding affordable flights often involves comparing prices across various platforms. Being flexible with your travel dates and considering different airlines can also help. Setting up price alerts may notify you of potential deals.

Booking flights well in advance, usually several months before your intended departure, can sometimes lead to better prices. However, last-minute deals can occasionally appear. It's often beneficial to monitor price trends.

Comparing nearby airports for both your origin and destination can sometimes reveal more economical flight options. While it may add to travel time, the potential savings can be significant. Always factor in ground transportation costs and convenience.

Related routes

More routes from Boise

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Boise to Lisbon: Overview

Insights for flights from Boise to Lisbon

How much is a round trip from Boise to Lisbon

Regular price: $619 - $1,786

Prices for flights from Boise to Lisbon are currently within the regular range.

The regular price range for this route is between $619 and $1786. The current lowest deal is $721 with Iberia Airlines, for travel from Feb 2 to Feb 16.

now $721

Low $619

High $1,786

The cheapest time to fly from Boise to Lisbon

February

Cheapest

Direct flights from Boise to Lisbon

Alaska Airlines, Inc.

TAP Portugal

Deutsche Luft Hansa

KLM

Last-minute flights going from Boise to Lisbon

Wed, Aug 26

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,014

$1,872

One-way

Thu, Aug 27

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,027

$2,247

One-way

Thu, Aug 27

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,357

$2,443

One-way

Sat, Aug 29

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,018

$1,694

One-way

Sun, Aug 30

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Air France

$1,260

$2,216

One-way

Sun, Aug 30

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,003

$2,316

One-way

Biggest price drops on these dates for flights from Boise to Lisbon

7 nights

Nov 3 - Nov 10

$829 → $746

10%

6 nights

Jan 10 - Jan 16

$863 → $786

14 nights

Feb 3 - Feb 17

$776 → $735

7 nights

Feb 14 - Feb 21

$788 → $785

Popular Airports to fly from Boise to Lisbon

Boise - Lisbon route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Boise to Lisbon are above the typical level at $721.

📅 Best time to fly

February offers the lowest median prices

Historically, February, October, and January offer the lowest median prices for this route.

⏱️ Flight duration

Flights typically take 30h 56m

The median flight duration from Boise to Lisbon is 30h 56m, with 2 stopovers.

✈️ Airlines & availability

Connecting flights are common

This route is connecting-dominant, with no direct flights available in recent data.

🏆 Airline highlight

Iberia Airlines offers a recent deal

A recent deal from Iberia Airlines was found for $721 via Skyscanner.

🎯 Booking tip

Deals appear regularly

Deals for flights from Boise to Lisbon appear regularly, offering frequent opportunities.

Boise main airports to depart from

$5,254

$3,989

Save $1,265

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to Lisbon

Cheap Flights from Boise to Lisbon

Today’s best flight deals from Boise to Lisbon

Boise to Lisbon: Overview

Insights for flights from Boise to Lisbon

How much is a round trip from Boise to Lisbon

The cheapest time to fly from Boise to Lisbon

Direct flights from Boise to Lisbon

Last-minute flights going from Boise to Lisbon

Biggest price drops on these dates for flights from Boise to Lisbon

Popular Airports to fly from Boise to Lisbon

Boise - Lisbon route insights

Recent fares are above the typical level

February offers the lowest median prices

Flights typically take 30h 56m

Connecting flights are common

Iberia Airlines offers a recent deal

Deals appear regularly

Boise main airports to depart from

Business & First Class Flight Deals to Lisbon

Best Elite deals to Lisbon

Dec 16

Oct 23

Nov 07

Oct 31

Oct 18

Oct 18

Oct 29

Oct 22

Feb 06

Nov 30

Nov 25

Nov 07

Frequently Asked Questions About Flights to Lisbon

How can I find cheap flights from Boise to Lisbon?

When should I book flights from Boise to Lisbon?

Should I compare nearby airports for flights from Boise to Lisbon?

Are direct flights from Boise to Lisbon always the best option?

Can flexible travel dates help on Boise to Lisbon flights?

What extra costs should I check before booking Boise to Lisbon flights?

Related routes

More routes from Boise

Boise to Lisbon: Overview

Insights for flights from Boise to Lisbon

How much is a round trip from Boise to Lisbon

The cheapest time to fly from Boise to Lisbon

Direct flights from Boise to Lisbon

Last-minute flights going from Boise to Lisbon

Biggest price drops on these dates for flights from Boise to Lisbon

Popular Airports to fly from Boise to Lisbon

Boise - Lisbon route insights

Recent fares are above the typical level

February offers the lowest median prices

Flights typically take 30h 56m

Connecting flights are common

Iberia Airlines offers a recent deal

Deals appear regularly

Boise main airports to depart from

Business & First Class Flight Deals to Lisbon

Best Elite deals to Lisbon

Dec 16

Oct 23

Nov 07

Oct 31

Oct 18

Oct 18

Oct 29

Oct 22

Feb 06

Nov 30

Nov 25

Nov 07

Frequently Asked Questions About Flights to Lisbon

How can I find cheap flights from Boise to Lisbon?

When should I book flights from Boise to Lisbon?

Should I compare nearby airports for flights from Boise to Lisbon?

Are direct flights from Boise to Lisbon always the best option?

Can flexible travel dates help on Boise to Lisbon flights?

What extra costs should I check before booking Boise to Lisbon flights?

Related routes

More routes from Boise