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 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Boise to Lisbon

Explore current cheapest deals departing from Boise to Lisbon

Round trip

Sort by: Cheapest

December 3 - December 10

Cheapest

Best

BOI - Lisbon

$1,015

$777

Round trip

October 13 - October 22

BOI - Lisbon

$917

$779

Round trip

October 13 - October 27

BOI - Lisbon

$909

$785

Round trip

October 14 - October 22

BOI - Lisbon

$915

$787

Round trip

November 1 - November 14

BOI - Lisbon

$949

$788

Round trip

October 14 - October 29

BOI - Lisbon

$901

$792

Round trip

December 5 - December 12

BOI - Lisbon

$1,015

$792

Round trip

December 10 - December 17

BOI - Lisbon

$1,019

$806

Round trip

October 6 - October 20

BOI - Lisbon

$887

$844

Round trip

August 26 - August 31

Earliest

BOI - Lisbon

$978

$887

Round trip

Unlock all 500+ flight deals to Lisbon and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Boise to Lisbon

Most itineraries for flights from Boise to Lisbon connect at least once, with 0% of recent fares being non-stop. For the connecting itineraries, the typical number of stopovers is 3. This means you should expect to make multiple stops on your journey.

For travelers looking for cheap flights from Boise to Lisbon, fares typically range from $696–$1481, with a median of $852. Right now, fares are significantly below the typical level, and about 7% of recent fares were classified as a good price. New deals show up several times a week, so keeping an eye on price alerts can be beneficial.

When is the cheapest time to fly from Boise to Lisbon? The most affordable months to fly are typically February, with a median fare of $561, followed by October at $581, and January at $582. These months offer the lowest median prices for this route.

How long is the flight from Boise to Lisbon? A typical journey from Boise to Lisbon, including connections, takes approximately 30h 56m. This reflects the long-haul nature of the route and the necessity of multiple stopovers.

How much is a round trip from Boise to Lisbon

Regular price: $818 - $1,616

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

The regular price range for this route is typically between $818 and $1616. The current lowest deal is $777 with United Airlines, for travel from Dec 3 to Dec 10.

now $777

Low $818

High $1,616

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

Flights from $561

July

Most Expensive

Flights from $1,566

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Boise to Lisbon

Alaska Airlines, Inc.

TAP Portugal

easyJet UK

Frontier Airlines

Last-minute flights going from Boise to Lisbon

Fri, Jun 19

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Deutsche Luft Hansa

$1,254

$1,359

One-way

Wed, Jul 1

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Deutsche Luft Hansa

$1,135

$1,358

One-way

Thu, Jul 2

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Deutsche Luft Hansa

$1,091

$1,358

One-way

Fri, Jul 3

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc.

$1,166

$1,245

One-way

Wed, Jul 29

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,021

$1,184

One-way

Wed, Jul 29

⌛ Last-Minute

BOI - Lisbon

Boise (BOI) - Lisbon (LIS)

Alaska Airlines, Inc., TAP Portugal

$1,022

$1,360

One-way

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

7 nights

Dec 3 - Dec 10

$1,015 → $777

23%

7 nights

Dec 5 - Dec 12

$1,015 → $792

22%

7 nights

Dec 10 - Dec 17

$1,019 → $806

21%

13 nights

Nov 1 - Nov 14

$949 → $788

17%

Popular Airports to fly from Boise to Lisbon

Boise - Lisbon route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Boise to Lisbon are below the typical level, with a median price of $852.

📅 Best time to fly

February is historically the cheapest month to fly

Historically, February is the cheapest month to fly from Boise to Lisbon, with a median price of $561.

⏱️ Flight duration

Connecting flights take 30h 56m on average

Flights from Boise to Lisbon are connecting flights, with a median duration of 30h 56m.

✈️ Airlines & availability

No direct flights available for BOI to LIS

There are no direct flights available from Boise to Lisbon. Consider connecting flights for this route.

🏆 Airline highlight

United Airlines offers a recent deal for $777

United Airlines recently offered a deal from Boise to Lisbon for $777, departing December 3.

🎯 Booking tip

Deals appear regularly for this route

Deals for flights from Boise to Lisbon appear regularly, with 0.47 deals per day historically.

Boise main airports to depart from

Boise (BOI)

Cheapest

Boise Airport (BOI) is a convenient option for flights from Boise to Lisbon.

📍 ~6 km from city center (reachable by car)

💸 Flights from ~$777

Lisbon main airports to arrive at

Lisbon Portela (LIS)

Cheapest

Lisbon Portela Airport is a convenient arrival choice for flights from Boise to Lisbon.

📍 ~7 km from city center (reachable by car)

💸 Flights from ~$727

Airports nearby Lisbon used as alternative

Porto (OPO)

Cheapest

Porto offers an extensive route network comparable to Lisbon, with excellent rail and highway connectivity.

📍 ~300 km from Lisbon (reachable by train or car, ~3 hours travel time).

💸 Flights from ~$722

Faro (FAO)

Faro is a reliable alternative for European leisure destinations, with significant international traffic.

📍 ~280 km from Lisbon (reachable by car, ~2.5 to 3 hours travel time).

💸 Flights from ~$895

Seville (SVQ)

Seville is a major Spanish airport with diverse European connections, accessible via cross-border road links.

📍 ~310 km from Lisbon (reachable by car, ~4 hours travel time, different timezone).

💸 Flights from ~$910

Málaga (AGP)

Málaga is a large international hub with many long-haul and budget options, useful for specific routes.

📍 ~470 km from Lisbon (reachable by car, over 4.5 hours travel time, different timezone).

💸 Flights from ~$840

Badajoz (BJZ)

Badajoz is geographically the closest Spanish airport to Lisbon, useful for specific regional connections to Madrid.

📍 ~200 km from Lisbon (reachable by car, different timezone).

💸 Flights from ~$1176

Business & First Class Flight Deals to Lisbon

Lisbon, Portugal

68% AI deal score

$37,270

From BOI

Elite

Aug 04

Lisbon, Portugal

68% AI deal score

$37,298

Frequently Asked Questions About Flights to Lisbon

Finding affordable flights often involves comparing prices across different booking sites and being flexible with your travel dates. Setting up price alerts can also help you monitor fare changes. Consider flying during the off-peak season for potentially lower prices.

Booking flights in advance, usually several months before your intended departure, can often result in better deals. Prices may fluctuate, so monitoring fares over time can help you decide the optimal booking moment. Avoid booking too close to your travel date, as prices can increase.

Comparing nearby airports can sometimes uncover more affordable flight options or different routing possibilities. While it may add to your ground travel, the potential savings on airfare can be significant. Always factor in the cost and time of getting to and from alternative airports.

Related routes

Consider alternative routes from Boise

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