BOI - OPO

$572 Find Cheap Flights from Boise to Porto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$572
Typical prices: $895-$1,147
American Airlines
Fri 11/9Fri 11/16
BOI - OPO • 2 stops
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Booking Insights
Flight Deals

Cheap Flights from Boise to Porto (BOI-OPO)

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

Recent round-trip flight deals from Boise to Porto

Mon, Nov 9 - Mon, Nov 16
American Airlines Logo
2:41 pm - 7:40 amBOI  Boise Air Term. Gowen Fld-OPO Porto
33h 59m2 stops Dallas/Fort Worth Madrid Barajas
American Airlines Logo
12:25 pm - 1:51 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
32h 26m2 stops Madrid Barajas Dallas/Fort Worth
$572American Airlines
Mon, Nov 9 - Mon, Nov 16
American Airlines Logo
2:41 pm - 7:40 amBOI  Boise Air Term. Gowen Fld-OPO Porto
33h 59m2 stops Dallas/Fort Worth Madrid Barajas
American Airlines Logo
12:25 pm - 1:51 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
32h 26m2 stops Madrid Barajas Dallas/Fort Worth
$573American Airlines
Tue, Nov 10 - Thu, Nov 19
United Airlines Logo
6:30 am - 9:30 amBOI  Boise Air Term. Gowen Fld-OPO Porto
20h 00m2 stops Denver Intl Newark
United Airlines Logo
12:35 pm - 10:59 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
17h 24m2 stops Newark Denver Intl
$580United Airlines
Tue, Oct 27 - Tue, Nov 3
Delta Logo
5:30 am - 10:35 amBOI  Boise Air Term. Gowen Fld-OPO Porto
23h 05m2 stops Minneapolis St Paul Paris Charles de Gaulle
Delta Logo
5:55 am - 11:04 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
24h 09m2 stops Paris Charles de Gaulle Los Angeles
$609Delta
Thu, Nov 5 - Thu, Nov 12
Delta Logo
1:06 pm - 10:00 pmBOI  Boise Air Term. Gowen Fld-OPO Porto
25h 54m2 stops Salt Lake City Paris Charles de Gaulle
Delta Logo
10:15 am - 12:10 amOPO  Porto-BOI Boise Air Term. Gowen Fld
20h 55m2 stops New York John F Kennedy Intl Salt Lake City
$648Delta
Thu, Nov 5 - Thu, Nov 12
United Airlines Logo
6:30 am - 9:30 amBOI  Boise Air Term. Gowen Fld-OPO Porto
44h 00m2 stops Denver Intl Newark
United Airlines Logo
6:00 am - 4:42 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
41h 42m3 stops Frankfurt am Main Boston Logan Intl San Francisco
$684United Airlines
Tue, Oct 27 - Tue, Nov 3
United Airlines Logo
6:30 am - 9:30 amBOI  Boise Air Term. Gowen Fld-OPO Porto
21h 00m2 stops Denver Intl Newark
United Airlines Logo
12:35 pm - 4:42 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
59h 07m3 stops Frankfurt am Main Boston Logan Intl San Francisco
$684United Airlines
Tue, Nov 10 - Thu, Nov 19
Multiple Airlines Logo
7:00 am - 11:45 amBOI  Boise Air Term. Gowen Fld-OPO Porto
21h 45m2 stops Dallas/Fort Worth Madrid Barajas
Multiple Airlines Logo
8:20 am - 10:20 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
21h 00m3 stops Madrid Barajas London Heathrow Seattle/Tacoma Intl
$6,776Multiple Airlines
Tue, Nov 10 - Thu, Nov 19
Multiple Airlines Logo
7:00 am - 11:45 amBOI  Boise Air Term. Gowen Fld-OPO Porto
21h 45m2 stops Dallas/Fort Worth Madrid Barajas
Multiple Airlines Logo
8:20 am - 10:20 pmOPO  Porto-BOI Boise Air Term. Gowen Fld
21h 00m3 stops Madrid Barajas London Heathrow Seattle/Tacoma Intl
$6,777Multiple 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 from Boise to Porto with more confidence.

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

Round-trip flights from Boise to Porto start at $572. Prices are below average for this route right now, with typical round-trip fares ranging from $895 to $1,147. The lowest price found in the past 5 days was $572 on American Airlines.

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

Wednesday is the cheapest day of the week to fly from Boise to Porto, it is 21% cheaper than the average day. Sunday is the most expensive day with flight prices 111% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Boise to Porto flights

Cheapest flight

$572
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

Your Boise to Porto flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

    Only Economy Class is available on flights from Boise to Porto.

  • 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 $895 to $1,147, with an average of $1,014 over the past 12 months. Anything below $895 counts as a good deal.

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

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
    • Klass Wagen
    • Drive on Holiday
    • GREEN MOTION
    • Goldcar Rental SP
    • SURPRICE CAR RENTAL

  • 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. Being flexible with your travel dates can save you up to 63% on the Boise to Porto route. 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 Boavista Square. These are among the most viewed places in Porto on KAYAK.

Your guide to booking Boise to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $810 - about $1,333 less than Sunday (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.
    - Opo Hotel Porto Aeroporto

More options for your flight from Boise to Porto

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

Car rentals in Porto
Hotels in Porto
Vacations in Porto