$400 - Flight tickets from Boise(BOI) to Kolkata(CCU)
07:10 PM on May 29, 2026 BOI
2 Stops {SFO | DEL} | Trip Duration: 26 hr 20 min
09:00 AM on May 31, 2026 CCU
United Airlines 355 | Air India 184 / 2535
Book flights from BOI to CCU at 07:10 PM with Air India on May 29, 2026
$400
07:10 PM on May 29, 2026 BOI
2 Stops {SFO | DEL} | Trip Duration: 37 hr 05 min
07:45 PM on May 31, 2026 CCU
United Airlines 355 | Air India 174 / 2403
Book flights from BOI to CCU at 07:10 PM with Air India on May 29, 2026
$812.60
06:30 AM on May 29, 2026 BOI
2 Stops {SEA | SIN} | Trip Duration: 28 hr 15 min
10:15 PM on May 31, 2026 CCU
Alaska Airlines 929 | Singapore Airlines 27 / 516
Book flights from BOI to CCU at 06:30 AM with Singapore Airlines on May 29, 2026
$953.70
Hurry! Only 5 seats left at this fare
06:30 AM on May 29, 2026 BOI
2 Stops {SEA | SIN} | Trip Duration: 28 hr 15 min
10:15 PM on May 31, 2026 CCU
Flight 1242 operated by Alaska Airlines Singapore Airlines 1242 / 27 / 516
Book flights from BOI to CCU at 06:30 AM with Singapore Airlines on May 29, 2026
$965.50
Hurry! Only 4 seats left at this fare
06:59 PM on May 29, 2026 BOI
2 Stops {LAX | SIN} | Trip Duration: 39 hr 46 min
10:15 PM on May 31, 2026 CCU
Flight 2140 operated by HORIZON AIR AS ALASKAHORIZON Alaska Airlines 2140 | Singapore Airlines 37 / 516
Book flights from BOI to CCU at 06:59 PM with Singapore Airlines on May 29, 2026
$975.20
06:59 PM on May 29, 2026 BOI
3 Stops {LAX | NRT | SIN} | Trip Duration: 63 hr 46 min
10:15 PM on May 31, 2026 CCU
Flight 2140 operated by HORIZON AIR AS ALASKAHORIZON Alaska Airlines 2140 | Singapore Airlines 11 / 516
Book flights from BOI to CCU at 06:59 PM with Singapore Airlines on May 29, 2026
$976.89
10:20 AM on May 29, 2026 BOI
3 Stops {DEN | MUC | DEL} | Trip Duration: 35 hr 10 min
09:00 AM on May 31, 2026 CCU
Flight 7899 operated by SKYWEST FOR UNITED EXPRESS FOR UNITED AIRLINES | Flight 5286 operated by Air India Lufthansa 7899 / 481 / 762 / 5286
Book flights from BOI to CCU at 10:20 AM with Lufthansa on May 29, 2026
$977.20
Hurry! Only 1 seat left at this fare
10:20 AM on May 29, 2026 BOI
3 Stops {DEN | MUC | DEL} | Trip Duration: 59 hr 10 min
09:00 AM on May 31, 2026 CCU
Flight 7899 operated by SKYWEST FOR UNITED EXPRESS FOR UNITED AIRLINES | Flight 7613 operated by United Airlines | Flight 5286 operated by Air India Lufthansa 7899 / 7613 / 762 / 5286
Book flights from BOI to CCU at 10:20 AM with Lufthansa on May 29, 2026
$987.20
Hurry! Only 3 seats left at this fare
10:09 AM on May 29, 2026 BOI
3 Stops {SEA | FRA | DEL} | Trip Duration: 35 hr 21 min
09:00 AM on May 31, 2026 CCU
Flight 2122 operated by HORIZON AIR AS ALASKAHORIZON | Flight 5294 operated by Air India | Flight 5286 operated by Air India Alaska Airlines 2122 | Lufthansa 491 / 5294 / 5286
Book flights from BOI to CCU at 10:09 AM with Lufthansa on May 29, 2026
$1052.70
Hurry! Only 4 seats left at this fare
10:20 AM on May 29, 2026 BOI
3 Stops {DEN | FRA | DEL} | Trip Duration: 35 hr 10 min
09:00 AM on May 31, 2026 CCU
Flight 7899 operated by SKYWEST FOR UNITED EXPRESS FOR UNITED AIRLINES | Flight 5286 operated by Air India Lufthansa 7899 / 447 / 760 / 5286
Book flights from BOI to CCU at 10:20 AM with Lufthansa on May 29, 2026
$1178.70
Hurry! Only 1 seat left at this fare
03:30 PM on May 29, 2026 BOI
2 Stops {SFO | DOH} | Trip Duration: 47 hr 20 min
02:20 AM on May 31, 2026 CCU
Alaska Airlines 3132 | Qatar Airways 738 / 540
Book flights from BOI to CCU at 03:30 PM with Qatar Airways on May 29, 2026
$1182.43
Hurry! Only 3 seats left at this fare
08:05 AM on May 29, 2026 BOI
2 Stops {LAX | DOH} | Trip Duration: 30 hr 45 min
02:20 AM on May 31, 2026 CCU
Flight 2016 operated by OO/SKYWEST AIRLINES AS ALASKASKYWEST Qatar Airways 2016 / 740 / 540
Book flights from BOI to CCU at 08:05 AM with Qatar Airways on May 29, 2026
$1258.70
06:59 PM on May 29, 2026 BOI
2 Stops {LAX | DOH} | Trip Duration: 43 hr 51 min
02:20 AM on May 31, 2026 CCU
Flight 2140 operated by HORIZON AIR AS ALASKAHORIZON Alaska Airlines 2140 | Qatar Airways 740 / 540
Book flights from BOI to CCU at 06:59 PM with Qatar Airways on May 29, 2026
$1294.20
Hurry! Only 3 seats left at this fare
08:05 AM on May 29, 2026 BOI
2 Stops {LAX | DOH} | Trip Duration: 30 hr 45 min
02:20 AM on May 31, 2026 CCU
Alaska Airlines 3376 | Qatar Airways 740 / 540
Book flights from BOI to CCU at 08:05 AM with Qatar Airways on May 29, 2026
$1434.10
12:05 PM on May 29, 2026 BOI
2 Stops {ORD | DXB} | Trip Duration: 32 hr 35 min
08:10 AM on May 31, 2026 CCU
United Airlines 5792 | Emirates 236 / 570
Book flights from BOI to CCU at 12:05 PM with Emirates on May 29, 2026
$1449.20
Hurry! Only 1 seat left at this fare
02:00 PM on May 29, 2026 BOI
2 Stops {SFO | DXB} | Trip Duration: 30 hr 40 min
08:10 AM on May 31, 2026 CCU
Flight 6020 operated by SkyWest Airlines Emirates 6020 / 226 / 570
Book flights from BOI to CCU at 02:00 PM with Emirates on May 29, 2026
$1459.20
Hurry! Only 0 seats left at this fare
02:00 PM on May 29, 2026 BOI
2 Stops {SFO | DXB} | Trip Duration: 30 hr 40 min
08:10 AM on May 31, 2026 CCU
Flight 6020 operated by SKYWEST DBA UNITED EXPRESS Emirates 6020 / 226 / 570
Book flights from BOI to CCU at 02:00 PM with Emirates on May 29, 2026
$1472.20
Hurry! Only 4 seats left at this fare
02:00 PM on May 29, 2026 BOI
2 Stops {SFO | DXB} | Trip Duration: 30 hr 40 min
08:10 AM on May 31, 2026 CCU
Flight 5312 operated by SKYWEST DBA UNITED EXPRESS United Airlines 5312 | Emirates 226 / 570
Book flights from BOI to CCU at 02:00 PM with Emirates on May 29, 2026
$1586.10
11:02 AM on May 29, 2026 BOI
3 Stops {SFO | ZRH | DEL} | Trip Duration: 34 hr 28 min
09:00 AM on May 31, 2026 CCU
Flight 4733 operated by SKYWEST DBA UNITED EXPRESS | Flight 3209 operated by United Airlines | Flight 9858 operated by Air India United Airlines 4733 | SWISS 3209 / 146 / 9858
Book flights from BOI to CCU at 11:02 AM with SWISS on May 29, 2026
$1970.70
Hurry! Only 4 seats left at this fare
08:30 AM on Nov 03, 2025 BOI
3 Stops {ORD | ZRH | DEL} | Trip Duration: 37 hr 00 min
09:00 AM on Nov 05, 2025 CCU
Flight 5386 operated by SKYWEST DBA UNITED EXPRESS | Flight 9858 operated by Air India United Airlines 5386 | SWISS 9 / 146 / 9858
Book flights from BOI to CCU at 08:30 AM with SWISS on Nov 03, 2025
$2003.77
Hurry! Only 2 seats left at this fare
Prices observed in the past 7 days start at 400 for one-way flights and 1601.79 for round trips, for the specified period. Availability and prices are subject to change, and additional terms may apply.
This 'round trip flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOI 07:40 AM May 29, 2026
30 hr 45 min 
2 Stops
2 Stops CCU 01:55 AM May 31, 2026
CCU 04:00 AM Jun 03, 2026
53 hr 53 min 2 Stops
2 Stops BOI 10:23 PM Jun 04, 2026
$1601.79
Found 18hrs ago
This 'round trip flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOI 12:05 PM May 29, 2026
32 hr 05 min 2 Stops
2 Stops CCU 07:40 AM May 31, 2026
CCU 09:50 AM Jun 03, 2026
47 hr 20 min 2 Stops
2 Stops BOI 09:40 PM Jun 04, 2026
$1742.49
Found 20hrs ago
This 'round trip flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOI 07:07 AM May 29, 2026
51 hr 48 min 2 Stops
2 Stops CCU 10:25 PM May 31, 2026
CCU 11:40 PM Jun 03, 2026
57 hr 53 min 2 Stops
2 Stops BOI 10:03 PM Jun 04, 2026
$1948.36
Found 20hrs ago
This 'round trip flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOI 12:05 PM Mar 19, 2026
48 hr 40 min 2 Stops
2 Stops CCU 12:15 AM Mar 22, 2026
CCU 10:00 PM Apr 01, 2026
28 hr 58 min 2 Stops
2 Stops BOI 03:28 PM Apr 02, 2026
$3702.16
Found 18hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOI 07:10 PM May 29, 2026
26 hr 20 min 2 Stops
2 Stops CCU 09:00 AM May 31, 2026
$400
Found 18hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOI 06:30 AM May 29, 2026
28 hr 15 min 2 Stops
2 Stops CCU 10:15 PM May 31, 2026
$953.70
Found 20hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOI 10:20 AM May 29, 2026
35 hr 10 min 3 Stops
3 Stops CCU 09:00 AM May 31, 2026
$965.50
Found 20hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOI 03:30 PM May 29, 2026
47 hr 20 min 2 Stops
2 Stops CCU 02:20 AM May 31, 2026
$976.89
Found 18hrs ago
This 'multi-city flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
CCU 02:30 AM May 29, 2026
15 hr 45 min Non Stop
Non Stop LHR 07:45 AM May 30, 2026
ORD 11:14 AM Jun 02,2026
13 hr 35 min 1 Stop
1 Stop CCU 10:49 PM Jun 03,2026
$1006.17
Found 18hrs ago
This 'multi-city flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
CCU 01:30 AM May 29, 2026
22 hr 00 min 1 Stop
1 Stop LHR 01:00 PM May 30, 2026
ORD 02:55 PM Jun 02,2026
06 hr 24 min 1 Stop
1 Stop CCU 07:19 PM Jun 03,2026
$1236.17
Found 20hrs ago
Find the Cheapest Day for Flights from BOI to CCU
One-Way flights from BOI to CCU
Round Trip from BOI to CCU
Multi-City Flights from BOI to CCU
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Find the Best Cheap Flights from Boise to Kolkata
Travel to Kolkata without exceeding your budget with Indian Eagle, one of the leading online flight booking agencies. We help you get the cheapest airfare travel from the USA to your chosen destination. You can experience the ease of travel between Boise and Kolkata with Indian Eagle's uncomplicated booking process and the best customer care support. Indian Eagle makes your trip affordable by providing cheap Boise to Kolkata flights.
You can plan your trip, book cheap BOI to CCU flights with us easily. So that you can experience a memorable and budget-friendly adventure.
Top 5 Must-Do Activities in Kolkata
Here are some of the top things you can do in Kolkata with which you can have an unforgettable travel experience.
- Visit some iconic landmarks that show the great richness of culture and history.
- Walk around the local markets, buy unique souvenirs, try local street food, and also enjoy the local feel of Kolkata.
- Take a nature walk or enjoy nature on scenic walks or hikes.
- Enjoy local cuisine with authentic flavors that will give you the true flavor of Kolkata.
- Discover art and culture through visits to the museums and galleries, thus experiencing local creativity and traditions.
How to Book a Cheap Flight from Boise to Kolkata With Indian Eagle?
Flexible dates need to be selected to get a low fare. Indian Eagle provides the advanced fare calendar. Through this, it enables multiple choices and shows the days when traveling from Boise to Kolkata is affordable. It will simply allow you to alter dates so you can save more by getting cheap flights from BOI to CCU.
Our fare alerts will keep you updated on any changes in prices. Sign up for alerts on your Boise to Kolkata route, and Indian Eagle will let you know when the prices drop. That way, you don't need to check fares every day, we'll tell you when it's time to book for the best price.
Flights with layovers can save a lot of money. Indian Eagle offers you detailed options for layovers on your journey from Boise to Kolkata. If time permits, a one-stop or two-stop flight can be very cost-effective while allowing you to visit another city on the way.
So, what are you waiting for? Start visiting and exploring the attractions of Kolkata. Markets and landmarks are surrounded by delectable food served along with local traditions. Book cheap flights from Boise to Kolkata and discover the treasures in the depths of this place.
Frequently Asked Questions:
When should I book cheap flight tickets from Boise to Kolkata?
The best time to book cheap flight tickets from Boise to Kolkata is 4-6 weeks in advance, when cheaper fares will be available before the peak travel seasons.
How early should I arrive at the airport for my Boise to Kolkata flight?
To ensure a smooth check-in process, it's recommended to arrive at least 3 hours before departure for an international flight.
Do I get a refund if I change my Boise to Kolkata flight after it's been booked?
Changes can be done with charges that are based on the flight's changing policy. You can connect with Indian Eagle's customer service for guidance.
Does Indian Eagle offer last-minute flights from Boise to Kolkata?
Yes, we do provide the cheapest last-minute Boise to Kolkata flights.
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