Which airports can I use when flying from Boise to Porto?

Flights from Boise to Porto usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Porto (OPO).

What cabin classes can I book on flights from Boise to Porto?

Two cabin classes are available on flights from Boise to Porto: • Economy Class • Business Class

Can I save money by using flexible dates for flights from Boise to Porto?

Yes. Flexible dates can save you up to 63% on flights from Boise to Porto. Wednesday is the cheapest departure day at $810 round-trip on average, while Sunday is the most expensive at $2,143, a difference of $1,333. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Porto?

Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

Do I need a passport to fly from Boise to Porto?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Boise to Porto changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $760 to $6,509. That means the highest observed fare was about 9x higher than the lowest one.

What is the time difference between Boise and Porto?

Porto is 7 hours ahead of Boise (Western European Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Porto Airport (OPO)?

Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $23 for economy cars. Top options include: • GREEN MOTION • Drive on Holiday • Klass Wagen • Goldcar Rental SP • Sixt

How much should I expect to pay for a Boise to Porto flight?

Round-trip flights from Boise to Porto range from $919 to $1,157, with an average of $1,050 over the past 12 months. Anything below $919 counts as a good deal.

How much is a round-trip flight from Boise to Porto?

Round-trip flights from Boise to Porto typically range from $919 to $1,157. The lowest price found in the past 5 days was $760, on United Airlines.

What's the cheapest day of the week to fly from Boise to Porto?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Boise to Porto. It’s 23% cheaper than the average day, while Sunday is the most expensive, with prices 104% higher.

Which airline is the cheapest to fly from Boise to Porto?

United Airlines ($760) offered the cheapest round-trip ticket from Boise to Porto in the last 5 days.

$760 CHEAP FLIGHTS from Boise to Porto (BOI - OPO)

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Cheapest round-trip

$760

Typical prices: $919-$1,157

United Airlines

Thu 3/22Thu 3/29

BOI - OPO • 2 stops

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Flight Deals

Cheap Flights from Boise to Porto (BOI-OPO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Boise to Porto

Mon, Mar 22 - Mon, Mar 29

8:52 pm - 9:30 amBOI Boise Air Term. Gowen Fld-OPO Porto

30h 38m2 stops San Francisco Newark

12:00 pm - 9:15 pmOPO Porto-BOI Boise Air Term. Gowen Fld

40h 15m2 stops Frankfurt am Main San Francisco

$760United Airlines

Sun, Apr 18 - Mon, May 3

5:22 pm - 9:45 amBOI Boise Air Term. Gowen Fld-OPO Porto

33h 23m2 stops Denver Intl Newark

12:00 pm - 11:41 pmOPO Porto-BOI Boise Air Term. Gowen Fld

42h 41m2 stops Frankfurt am Main San Francisco

$827United Airlines

Sun, Apr 18 - Mon, May 3

5:00 am - 9:45 amBOI Boise Air Term. Gowen Fld-OPO Porto

21h 45m2 stops Denver Intl Newark

12:00 pm - 11:41 pmOPO Porto-BOI Boise Air Term. Gowen Fld

42h 41m2 stops Frankfurt am Main San Francisco

$827United Airlines

Wed, Mar 17 - Sun, Mar 28

7:00 am - 9:30 amBOI Boise Air Term. Gowen Fld-OPO Porto

20h 30m2 stops Denver Intl Newark

12:35 pm - 9:43 amOPO Porto-BOI Boise Air Term. Gowen Fld

28h 08m2 stops Newark Denver Intl

$914United Airlines

Wed, Mar 17 - Sun, Mar 28

12:26 pm - 7:00 pmBOI Boise Air Term. Gowen Fld-OPO Porto

24h 34m3 stops Dallas/Fort Worth London Heathrow Lisbon Humberto Delgado

5:05 am - 10:59 pmOPO Porto-BOI Boise Air Term. Gowen Fld

24h 54m3 stops Lisbon Humberto Delgado London Heathrow Dallas/Fort Worth

$1,580Multiple Airlines

Mon, Mar 22 - Mon, Mar 29

12:26 pm - 11:45 pmBOI Boise Air Term. Gowen Fld-OPO Porto

29h 19m3 stops Dallas/Fort Worth Madrid Barajas Lisbon Humberto Delgado

5:05 am - 10:55 pmOPO Porto-BOI Boise Air Term. Gowen Fld

24h 50m3 stops Lisbon Humberto Delgado Madrid Barajas Los Angeles

$1,669Multiple Airlines

Sun, Apr 18 - Mon, May 3

7:00 am - 8:15 amBOI Boise Air Term. Gowen Fld-OPO Porto

18h 15m2 stops Dallas/Fort Worth Philadelphia

8:20 am - 10:20 pmOPO Porto-BOI Boise Air Term. Gowen Fld

21h 00m3 stops Madrid Barajas London Heathrow Seattle/Tacoma Intl

$6,424Multiple Airlines

Sun, Apr 18 - Mon, May 3

7:00 am - 8:15 amBOI Boise Air Term. Gowen Fld-OPO Porto

18h 15m2 stops Dallas/Fort Worth Philadelphia

8:20 am - 10:20 pmOPO Porto-BOI Boise Air Term. Gowen Fld

21h 00m3 stops Madrid Barajas London Heathrow Seattle/Tacoma Intl

$6,509Multiple Airlines

Booking Insights

Price, demand and travel trends for Boise to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

How much is a round-trip flight from Boise to Porto? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boise to Porto departing in march.
What's the cheapest day of the week to fly from Boise to Porto?: Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Boise to Porto. It’s 23% cheaper than the average day, while Sunday is the most expensive, with prices 104% higher.

Find deals

Cheapest flight	$760

Round-trip flight from Boise to Porto

When to book flights from Boise to Porto

Are your dates flexible? Find out the best times to travel from Boise to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Boise to Porto?
Two cabin classes are available on flights from Boise to Porto:

• Economy Class
• Business Class
Do I need a passport to fly from Boise to Porto?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Boise to Porto flight?
Round-trip flights from Boise to Porto range from $919 to $1,157, with an average of $1,050 over the past 12 months. Anything below $919 counts as a good deal.
Have flight prices from Boise to Porto changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $760 to $6,509. That means the highest observed fare was about 9x higher than the lowest one.
What car rental options are available at Porto Airport (OPO)?
Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $23 for economy cars. Top options include:

• GREEN MOTION
• Drive on Holiday
• Klass Wagen
• Goldcar Rental SP
• Sixt
Which airports can I use when flying from Boise to Porto?
Flights from Boise to Porto usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Porto (OPO).
Can I save money by using flexible dates for flights from Boise to Porto?
Yes. Flexible dates can save you up to 63% on flights from Boise to Porto. Wednesday is the cheapest departure day at $810 round-trip on average, while Sunday is the most expensive at $2,143, a difference of $1,333.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Boise and Porto?
Porto is 7 hours ahead of Boise (Western European Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Porto?
Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $810, about $1,333 less than Sunday fares (62% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

• Ap Aeroporto Porto

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Everything you should know

Cheap Flights from Boise to Porto (BOI-OPO)

Recent round-trip flight deals from Boise to Porto

Recent one-way flight deals from Boise to Porto

Price, demand and travel trends for Boise to Porto flights

How much is a round-trip flight from Boise to Porto?

What's the cheapest day of the week to fly from Boise to Porto?

Which airline is the cheapest to fly from Boise to Porto?

Key details for Boise to Porto flights

Cheapest flight

When to book flights from Boise to Porto

Your Boise to Porto flight questions, answered

Your guide to booking Boise to Porto flights

More options for your flight from Boise to Porto

Complete your trip to Porto with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Boise to Porto

Find direct flights to and from Boise and Porto

Flights from domestic origins to Porto

Flights to other popular destinations