Cheap Flights from Boise to Lisbon

Compare Boise to Lisbon flight deals

Find the cheapest month or even day of the year to fly to Lisbon

Book the best Lisbon fare with no extra fees

Find the cheapest month to fly from Boise to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Lisbon flights are currently cheapest in October.

Boise to Lisbon: Alternative routes

Compare routes from Boise to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Boise to Lisbon: Flight information

The things to know before you go.
Cheapest flight foundRs94,681
Cheapest month to flyOctober

Finding cheap flights from Boise to Lisbon: Frequently asked questions

The best price we found for a return flight from Boise to Lisbon is Rs220,917. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boise to Lisbon. But we found flights with one or more stops from Rs220,917.
As of July 2025, there are no flights flying from Boise to Lisbon.
The cheapest month to fly from Boise to Lisbon is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Lisbon Airport on Sunday, 12 October 2025.
No airlines currently offer direct flights between Boise Airport and Lisbon Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lisbon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Lisbon.

Travelling from Boise Air Terminal (Gowen Field) Airport (BOI) to Lisbon Portela Airport (LIS): what you need to know

  • Lisbon is six hours ahead of Boise and observes the UTC+0 timezone.

  • To ensure you get on your BOI to LIS flight, leave enough time for things like baggage drop and finding your gate. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

  • Flying during a peak time such as July? Public holidays and other popular periods can lead to longer lines at check-in and security. Be extra cautious and get there up to four hours before international flights and two hours before a domestic departure.

How to find the cheapest flights from Boise Air Terminal (Gowen Field) Airport (BOI) to Lisbon Portela Airport (LIS)

  • The cheapest price we've found for a one-way Boise Air Terminal (Gowen Field) Airport to Lisbon Portela Airport flight is Rs94,681. A round-trip plane ticket is currently Rs220,917. Depending on the availability when you book, these fares can change.

  • It's usually smart to book ahead of time if you want to get cheap tickets from BOI to LIS. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.

  • If you're flexible with your travel plans, try using the 'Whole month' search tool. It'll give you the lowest price across the month when looking for a flight from Boise Air Terminal (Gowen Field) Airport to Lisbon Portela Airport.

  • Landing cheap flights from BOI to LIS is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a new discounted fare appears.

  • Tailor your flights with filters. Pick your departure and arrival times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Boise Air Terminal (Gowen Field) Airport to Lisbon Portela Airport.

Handy information about Boise Air Terminal (Gowen Field) Airport (BOI)

  • BOI is located at 3201 Airport Way.

  • Boise Air Terminal (Gowen Field) Airport maintains a strong on-time record, so you're unlikely to face delays. Departures from BOI make it to their destination as scheduled 83.53% of the time.

  • To reach Boise Air Terminal (Gowen Field) Airport from central Boise, it'll take around 20 minutes if you're going by car. Of course, this depends on traffic. It's approximately 18 kilometres from the airport to the city centre.

  • The journey when using public transport will take about 1 hour 35 minutes.

  • Need a handy hotel close to BOI? If you're boarding an early flight from Boise Air Terminal (Gowen Field) Airport to Lisbon Portela Airport, these accommodation options will have you sleeping moments from your departure lounge:

Arriving at Lisbon Portela Airport (LIS)

  • The last thing you need is a lengthy trip to your hotel if you're getting in late on a Boise Air Terminal (Gowen Field) Airport to Lisbon Portela Airport flight. Check in to one of these accommodation options near LIS instead:

  • Get your adventure underway by picking up a Lisbon Portela Airport rental car. Grab your wheels from Klass Wagen, Goldcar or OK Mobility and explore beyond Lisbon's main sights.

  • Lock in the best rate by booking your ride from Lisbon Portela Airport about two weeks in advance of your trip.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport is approximately 10 kilometres from the centre of Lisbon. Driving there takes about 20 minutes.

  • It typically takes 1 hour if you're using public transport.

When to fly to Lisbon Portela Airport (LIS)

  • It's time to plan your trip dates for your flight from Boise Air Terminal (Gowen Field) Airport to Lisbon Portela Airport. June is the most popular month to head to Lisbon. If you're after a more laid-back vibe, go in January.

  • When reserving your flight from Boise Air Terminal (Gowen Field) Airport to Lisbon Portela Airport, consider the kind of weather you like. August is the warmest month in Lisbon, with the temperature ranging from 16ºC to 29ºC.

  • If you like cooler conditions, search for a cheap ticket from BOI to LIS in January. Average temperatures are between 8ºC and 16ºC then.

Explore more of Portugal

  • You've seen Lisbon, now it's time to explore more of Portugal. Journey about 274 kilometres north to Porto to tick off its top sights. From Livraria Lello to Ribeira District and The Douro River, you'll have a full itinerary ahead.

  • If there's time to check out another great destination in Portugal, head for Amadora, about 8 kilometres north-west of Lisbon. Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.