$427+ Cheap flights from Boise (BOI) to Lisbon (LIS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIS
Nov 25 — Dec 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise to Lisbon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boise to Lisbon
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to LisbonExplore the most affordable flight options available from Boise to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Boise to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:35 pm -
2 stops34h 05m
Sun 12/135:00 am -
2 stops24h 59m
Deal found 10/22![United Airlines logo]()
$771
This Air France deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:15 am -
2 stops20h 45m
Thu 12/105:00 am -
2 stops18h 04m
Deal found 10/24![Multiple Airlines logo]()
$793
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:15 am -
2 stops20h 50m
Tue 12/155:00 am -
2 stops23h 30m
Deal found 10/24![United Airlines logo]()
$796
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1012:16 pm -
2 stops19h 34m
Thu 12/1710:25 am -
2 stops19h 52m
Deal found 10/26![American Airlines logo]()
$861
This Air France deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:08 pm -
2 stops20h 02m
Mon 11/95:00 am -
2 stops19h 19m
Deal found 10/25![Multiple Airlines logo]()
$942
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:00 am -
1 stop22h 20m
Tue 12/1510:30 am -
1 stop19h 29m
Deal found 10/24![Multiple Airlines logo]()
$1,005
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
1 stop22h 20m
Thu 12/1710:30 am -
2 stops20h 29m
Deal found 10/26![Multiple Airlines logo]()
$1,052
This Air Canada deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:00 am -
2 stops18h 20m
Sun 12/1310:50 am -
3 stops30h 09m
Deal found 10/22![Multiple Airlines logo]()
$1,486
This Trip.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:19 pm -
2 stops18h 51m
Sat 11/285:30 am -
2 stops19h 25m
Deal found 10/24![Multiple Airlines logo]()
$1,512
Best flights from Boise to LisbonDiscover carefully curated flight deals from Boise to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Boise to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This Air Canada deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2010:39 am -
3 stops17h 26m
Tue 5/41:00 pm -
2 stops27h 43m
Deal found 10/26![Multiple Airlines logo]()
$828
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/118:15 am -
2 stops16h 55m
Thu 1/1410:15 am -
2 stops20h 00m
Deal found 10/25![United Airlines logo]()
$1,219
This Air Canada deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1010:39 am -
3 stops17h 26m
Sat 4/1711:25 am -
2 stops29h 18m
Deal found 10/24![Multiple Airlines logo]()
$857
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
1 stop22h 20m
Thu 12/1710:30 am -
1 stop19h 32m
Deal found 10/26![Multiple Airlines logo]()
$1,098
This Air Canada deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:00 am -
2 stops18h 20m
Sun 12/1310:50 am -
3 stops30h 09m
Deal found 10/22![Multiple Airlines logo]()
$1,486
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
1 stop22h 20m
Mon 11/95:55 pm -
2 stops31h 35m
Deal found 10/25![Multiple Airlines logo]()
$1,693
Last-minute flights from Boise to LisbonDiscover last-minute flight deals from Boise to Lisbon. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Lisbon. Data last updated October 26, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:08 pm -
2 stops20h 02m
Mon 11/95:00 am -
2 stops19h 19m
Deal found 10/25![Multiple Airlines logo]()
$942
This Ovago deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:31 pm -
2 stops24h 29m
Fri 11/276:00 am -
2 stops19h 26m
Deal found 10/22![Multiple Airlines logo]()
$1,599
This Trip.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:19 pm -
2 stops18h 51m
Sat 11/285:30 am -
2 stops19h 25m
Deal found 10/24![Multiple Airlines logo]()
$1,512
This Ovago deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:10 pm -
2 stops30h 00m
Sat 11/286:00 am -
2 stops34h 52m
Deal found 10/24![Lufthansa logo]()
$1,772
One-way flights from Boise to LisbonSearch for one-way flight options from Boise to Lisbon. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Boise to Lisbon. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:21 pm -
2 stops28h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/45:40 am -
2 stops19h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$588
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/48:05 am -
3 stops41h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$618
This KAYAK deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/47:38 am -
1 stop21h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$944
Find flight deals from Boise to Lisbon
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $724 (Air France) |
One-way from | $427 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $873 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Boise to Lisbon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseLisbon
BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado
BOILIS
Boise Air Term. Gowen Fld
Mon 11/16
6:21 pm-5:35 am
2 stops28h 14m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$427
Quickest round-trip
BoiseLisbon
BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado
BOILIS
Boise Air Term. Gowen Fld
Mon 1/4
8:05 am-8:10 am
2 stops17h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$588
BoiseLisbon
BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado
BOILIS
Boise Air Term. Gowen Fld
Mon 1/4
7:15 am-8:00 am
2 stops17h 45m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$588
BoiseLisbon
BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado
BOILIS
Boise Air Term. Gowen Fld
Tue 4/20
10:39 am-11:05 am
3 stops17h 26m
Lisbon Humberto Delgado
Tue 5/4
1:00 pm-9:43 am
2 stops27h 43m
$828
BoiseLisbon
BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado
BOILIS
Boise Air Term. Gowen Fld
Sat 4/10
10:39 am-11:05 am
3 stops17h 26m
Lisbon Humberto Delgado
Sat 4/17
11:25 am-9:43 am
2 stops29h 18m
$857
BoiseLisbon
BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado
BOILIS
Boise Air Term. Gowen Fld
Thu 12/10
7:00 am-12:20 pm
1 stop22h 20m
Lisbon Humberto Delgado
Thu 12/17
10:30 am-11:02 pm
1 stop19h 32m
$1,098
BoiseLisbon
BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado
BOILIS
Boise Air Term. Gowen Fld
Mon 1/11
8:15 am-8:10 am
2 stops16h 55m
Lisbon Humberto Delgado
Thu 1/14
10:15 am-11:15 pm
2 stops20h 00m
$1,219
BoiseLisbon
BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado
BOILIS
Boise Air Term. Gowen Fld
Sun 12/6
8:00 am-9:20 am
2 stops18h 20m
Lisbon Humberto Delgado
Sun 12/13
10:50 am-9:59 am
3 stops30h 09m
$1,486
BoiseLisbon
BOI Boise Air Term. Gowen Fld - LIS Lisbon Humberto Delgado
BOILIS
Boise Air Term. Gowen Fld
Thu 11/5
7:00 am-12:20 pm
1 stop22h 20m
Lisbon Humberto Delgado
Mon 11/9
5:55 pm-6:30 pm
2 stops31h 35m
$1,693
Sorted by cheapest first
Compare providers for flights from Boise to Lisbon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Lisbon in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Lisbon flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boise-Lisbon flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Boise-Lisbon flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Lisbon flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to Lisbon
Have a flexible travel schedule? Discover the best time to fly to Lisbon from Boise with our price prediction graph.
BOI-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boise to Lisbon
Reviews of airlines servicing Lisbon
Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated October 26, 2026.
Get a feel of what it's like to fly with Delta from Boise to Lisbon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Boise to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsFátima
Ericeira
Oeiras
Torres Vedras
Beja
Nazaré
Colares
Sesimbra
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Lisbon flight routes
Other flight options
Other flights from Boise
Popular flights
Alternative routes for Boise to Lisbon
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Lisbon by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Lisbon by cabin class
Find flights from Boise to Lisbon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Lisbon
Explore flights to Lisbon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.
Boise and Lisbon flights
Browse other Boise and Lisbon flight options. Last updated on October 26, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boise to Lisbon
Discover the top airline that operate flights from Boise to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$590 | Average$809 | FlexibilityNo cancel fee | On-timeN/A |