$497+ Cheap flights from Boise (BOI) to Lisbon (LIS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIS
May 25 — Jun 11
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Lisbon with Cheapflights
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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 April 25, 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 April 25, 2026.
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:44 am
BOI
- LIS
2 stops26h 06m
Finnair
Tue 11/34:10 pm
LIS
- BOI
2 stops36h 53m
Finnair
Deal found 4/22![Finnair logo]()
$725
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:40 am
BOI
- LIS
2 stops25h 55m
Delta
Tue 11/35:00 am
LIS
- BOI
2 stops25h 55m
Delta
Deal found 4/22![Delta logo]()
$726
This Air Canada deal was found by Cheapflights users on 4/24. 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.
Tue 10/206:15 am
BOI
- LIS
2 stops20h 05m
Air Canada
Tue 11/31:00 pm
LIS
- BOI
2 stops32h 56m
Air Canada
Deal found 4/24![Air Canada logo]()
$727
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:35 pm
BOI
- LIS
2 stops20h 15m
Delta
Mon 11/25:30 am
LIS
- BOI
2 stops25h 22m
Delta
Deal found 4/22![Delta logo]()
$729
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:30 pm
BOI
- LIS
2 stops25h 30m
Delta
Sun 11/111:15 am
LIS
- BOI
2 stops19h 40m
Delta
Deal found 4/22![Delta logo]()
$732
This Air Canada deal was found by Cheapflights users on 4/24. 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 10/245:44 pm
BOI
- LIS
2 stops35h 16m
Air Canada
Tue 11/31:00 pm
LIS
- BOI
2 stops39h 16m
Air Canada
Deal found 4/24![Air Canada logo]()
$737
This Air Canada deal was found by Cheapflights users on 4/24. 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.
Thu 10/226:25 am
BOI
- LIS
2 stops19h 55m
Air Canada
Tue 11/31:00 pm
LIS
- BOI
2 stops32h 56m
Air Canada
Deal found 4/24![Air Canada logo]()
$777
This United Airlines deal was found by Cheapflights users on 4/23. 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 11/15:22 pm
BOI
- LIS
2 stops33h 28m
United Airlines
Sun 11/81:00 pm
LIS
- BOI
2 stops32h 56m
United Airlines
Deal found 4/23![United Airlines logo]()
$782
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Tue 10/206:25 am
BOI
- LIS
2 stops19h 55m
United Airlines
Wed 10/281:00 pm
LIS
- BOI
2 stops34h 55m
United Airlines
Deal found 4/22![United Airlines logo]()
$783
This Air France deal was found by Cheapflights users on 4/22. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:15 pm
BOI
- LIS
2 stops18h 40m
Multiple Airlines
Fri 10/3011:25 am
LIS
- BOI
2 stops18h 30m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$784
This United Airlines deal was found by Cheapflights users on 4/22. 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 10/196:25 am
BOI
- LIS
2 stops19h 55m
United Airlines
Thu 10/295:00 am
LIS
- BOI
2 stops22h 15m
United Airlines
Deal found 4/22![United Airlines logo]()
$787
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 April 25, 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 April 25, 2026.
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 am
BOI
- LIS
2 stops22h 15m
Delta
Tue 11/35:00 am
LIS
- BOI
2 stops25h 55m
Delta
Deal found 4/22![Delta logo]()
$726
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sun 10/185:44 pm
BOI
- LIS
2 stops22h 01m
United Airlines
Thu 10/295:00 am
LIS
- BOI
2 stops18h 55m
United Airlines
Deal found 4/24![United Airlines logo]()
$791
This KLM deal was found by Cheapflights users on 4/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:15 pm
BOI
- LIS
2 stops19h 20m
KLM
Tue 5/199:20 am
LIS
- BOI
2 stops18h 14m
KLM
Deal found 4/22![KLM logo]()
$885
This British Airways deal was found by Cheapflights users on 4/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:57 pm
BOI
- LIS
2 stops17h 38m
Multiple Airlines
Sun 10/186:50 pm
LIS
- BOI
2 stops34h 27m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$988
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:40 am
BOI
- LIS
2 stops25h 55m
Delta
Tue 11/35:00 am
LIS
- BOI
2 stops25h 55m
Delta
Deal found 4/22![Delta logo]()
$726
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:40 am
BOI
- LIS
2 stops19h 20m
Delta
Sun 11/111:15 am
LIS
- BOI
2 stops19h 40m
Delta
Deal found 4/22![Delta logo]()
$732
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Wed 10/217:03 am
BOI
- LIS
2 stops19h 17m
United Airlines
Sat 10/311:00 pm
LIS
- BOI
2 stops32h 56m
United Airlines
Deal found 4/24![United Airlines logo]()
$843
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:40 am
BOI
- LIS
2 stops22h 15m
Delta
Fri 10/3011:25 am
LIS
- BOI
2 stops18h 30m
Delta
Deal found 4/22![Delta logo]()
$789
This United Airlines deal was found by Cheapflights users on 4/20. 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 10/57:03 am
BOI
- LIS
3 stops43h 17m
United Airlines
Fri 10/1611:25 am
LIS
- BOI
2 stops43h 27m
United Airlines
Deal found 4/20![United Airlines logo]()
$936
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:38 am
BOI
- LIS
2 stops17h 37m
Delta
Sat 10/3112:20 pm
LIS
- BOI
2 stops38h 57m
Delta
Deal found 4/22![Delta logo]()
$817
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:38 am
BOI
- LIS
2 stops17h 37m
Delta
Thu 10/295:30 am
LIS
- BOI
2 stops19h 03m
Delta
Deal found 4/24![Delta logo]()
$846
This Delta deal was found by Cheapflights users on 4/20. 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 6/83:31 pm
BOI
- LIS
2 stops19h 19m
Delta
Fri 6/265:00 am
LIS
- BOI
2 stops21h 13m
Delta
Deal found 4/20![Delta logo]()
$1,037
Last-minute flights from Boise to LisbonDiscover last-minute flight deals from Boise to Lisbon. Data last updated April 25, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Lisbon. Data last updated April 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:40 pm
BOI
- LIS
2 stops28h 20m
Delta
Mon 5/115:00 am
LIS
- BOI
2 stops19h 50m
Delta
Deal found 4/22![Delta logo]()
$880
This KLM deal was found by Cheapflights users on 4/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:15 pm
BOI
- LIS
2 stops19h 20m
KLM
Tue 5/199:20 am
LIS
- BOI
2 stops18h 14m
KLM
Deal found 4/22![KLM logo]()
$885
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:56 am
BOI
- LIS
2 stops25h 54m
Delta
Sun 5/245:00 am
LIS
- BOI
2 stops19h 50m
Delta
Deal found 4/24![Delta logo]()
$1,050
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/1210:35 am
BOI
- LIS
2 stops20h 05m
United Airlines
Wed 5/2711:25 am
LIS
- BOI
2 stops31h 07m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,135
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/1210:35 am
BOI
- LIS
2 stops20h 05m
United Airlines
Thu 5/281:00 pm
LIS
- BOI
2 stops29h 32m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,140
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Wed 5/135:29 pm
BOI
- LIS
2 stops22h 16m
United Airlines
Sun 5/246:15 am
LIS
- BOI
2 stops24h 40m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,054
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Wed 5/135:29 pm
BOI
- LIS
2 stops22h 16m
United Airlines
Tue 5/266:15 am
LIS
- BOI
2 stops22h 25m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,145
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Wed 5/135:29 pm
BOI
- LIS
2 stops22h 16m
United Airlines
Fri 5/295:05 am
LIS
- BOI
2 stops24h 00m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,146
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:14 pm
BOI
- LIS
2 stops19h 36m
Delta
Sun 5/245:00 am
LIS
- BOI
2 stops25h 46m
Delta
Deal found 4/24![Delta logo]()
$1,110
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:14 pm
BOI
- LIS
2 stops19h 36m
Delta
Fri 5/295:00 am
LIS
- BOI
2 stops19h 09m
Delta
Deal found 4/24![Delta logo]()
$1,201
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:39 am
BOI
- LIS
2 stops17h 36m
Delta
Sun 5/245:00 am
LIS
- BOI
2 stops19h 09m
Delta
Deal found 4/24![Delta logo]()
$1,186
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:14 pm
BOI
- LIS
2 stops19h 36m
Delta
Tue 5/265:00 am
LIS
- BOI
2 stops24h 13m
Delta
Deal found 4/24![Delta logo]()
$1,141
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 April 25, 2026.
Search for one-way flight options from Boise to Lisbon. Find affordable one-way fares based on user searches. Data last updated April 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:04 pm
BOI
- LIS
3 stops26h 21m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$497
This Ovago deal was found by Cheapflights users on 4/22. 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.
Sat 9/57:48 pm
BOI
- LIS
2 stops20h 22m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:25 pm
BOI
- LIS
3 stops34h 10m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:58 am
BOI
- LIS
3 stops29h 57m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$615
This Air France deal was found by Cheapflights users on 4/21. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2810:29 am
BOI
- LIS
2 stops17h 16m
Air France
Deal found 4/21![Air France logo]()
$781
This Air France deal was found by Cheapflights users on 4/21. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:23 pm
BOI
- LIS
2 stops20h 27m
Air France
Deal found 4/21![Air France logo]()
$786
This British Airways deal was found by Cheapflights users on 4/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:11 pm
BOI
- LIS
2 stops17h 24m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$850
This Air Canada deal was found by Cheapflights users on 4/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:25 am
BOI
- LIS
3 stops17h 55m
Air Canada
Deal found 4/21![Air Canada logo]()
$856
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 April 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $725 (Expedia) |
One-way from | $497 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $663 |
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 2,558,603 searches. Data last updated April 25, 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 - LIS
BOILIS
Boise Air Term. Gowen Fld
Wed 10/21
5:40 am-10:55 am
2 stops22h 15m
Lisbon Humberto Delgado
Tue 11/3
5:00 am-11:55 pm
2 stops25h 55m
$726
BoiseLisbon
BOI - LIS
BOILIS
Boise Air Term. Gowen Fld
Sun 10/18
5:40 am-2:35 pm
2 stops25h 55m
Lisbon Humberto Delgado
Tue 11/3
5:00 am-11:55 pm
2 stops25h 55m
$726
BoiseLisbon
BOI - LIS
BOILIS
Boise Air Term. Gowen Fld
Mon 10/19
5:40 am-8:00 am
2 stops19h 20m
Lisbon Humberto Delgado
Sun 11/1
11:15 am-11:55 pm
2 stops19h 40m
$732
BoiseLisbon
BOI - LIS
BOILIS
Boise Air Term. Gowen Fld
Mon 10/19
5:40 am-10:55 am
2 stops22h 15m
Lisbon Humberto Delgado
Fri 10/30
11:25 am-11:55 pm
2 stops18h 30m
$789
BoiseLisbon
BOI - LIS
BOILIS
Boise Air Term. Gowen Fld
Sun 10/18
5:44 pm-10:45 pm
2 stops22h 01m
Lisbon Humberto Delgado
Thu 10/29
5:00 am-5:55 pm
2 stops18h 55m
$791
BoiseLisbon
BOI - LIS
BOILIS
Boise Air Term. Gowen Fld
Thu 10/22
10:38 am-11:15 am
2 stops17h 37m
Lisbon Humberto Delgado
Sat 10/31
12:20 pm-9:17 pm
2 stops38h 57m
$817
BoiseLisbon
BOI - LIS
BOILIS
Boise Air Term. Gowen Fld
Wed 10/21
7:03 am-9:20 am
2 stops19h 17m
Lisbon Humberto Delgado
Sat 10/31
1:00 pm-3:56 pm
2 stops32h 56m
$843
Quickest round-trip
BoiseLisbon
BOI - LIS
BOILIS
Boise Air Term. Gowen Fld
Thu 10/22
10:38 am-11:15 am
2 stops17h 37m
Lisbon Humberto Delgado
Thu 10/29
5:30 am-6:33 pm
2 stops19h 03m
$846
BoiseLisbon
BOI - LIS
BOILIS
Boise Air Term. Gowen Fld
Tue 5/12
12:15 pm-2:35 pm
2 stops19h 20m
Lisbon Humberto Delgado
Tue 5/19
9:20 am-8:34 pm
2 stops18h 14m
$885
BoiseLisbon
BOI - LIS
BOILIS
Boise Air Term. Gowen Fld
Mon 10/5
7:03 am-9:20 am
3 stops43h 17m
Lisbon Humberto Delgado
Fri 10/16
11:25 am-11:52 pm
2 stops43h 27m
$936
Showing 1-10 of 19 resultsSorted 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Lisbon flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 April 25, 2026.
Get a feel of what it's like to fly with Delta and United Airlines 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.
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - 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
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra
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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 April 25, 2026.
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Top 2 airlines flying from Boise to Lisbon
Discover the top 2 airlines 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 2,558,603 searches. Data last updated April 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$549 | Average$758 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$618 | Average$915 | FlexibilityNo cancel fee | On-time69% |