$121 Cheap flight deals from Boston (BOS) to Ontario (BOI)

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This Weekend's Flight Deals from Boston to Ontario

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 14 - Tue, Aug 18
BOS
Logan Intl.
BOI
Boise
$694 Roundtrip, found 2 days ago
$694
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Aug 14 from Logan Intl. to Boise, returning Tue, Aug 18, priced at $694 found 2 days ago

Airfares from $121 One Way, $231 Round Trip from Boston to Ontario

Prices starting at $231 for return flights and $121 for one-way flights to Ontario were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 15 - Tue, Oct 20
BOS
Boston
BOI
Boise
$231 Roundtrip, found 1 day ago
$231
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Oct 15 from Boston to Boise, returning Tue, Oct 20, priced at $231 found 1 day ago
Thu, Sep 24 - Mon, Sep 28
BOS
Boston
BOI
Boise
$233 Roundtrip, just found
$233
Roundtrip
just found
Select United flight, departing Thu, Sep 24 from Boston to Boise, returning Mon, Sep 28, priced at $233 just found
Thu, Sep 24 - Mon, Sep 28
BOS
Boston
BOI
Boise
$233 Roundtrip, just found
$233
Roundtrip
just found
Select Delta flight, departing Thu, Sep 24 from Boston to Boise, returning Mon, Sep 28, priced at $233 just found
Thu, Sep 24 - Mon, Sep 28
BOS
Boston
BOI
Boise
$235 Roundtrip, just found
$235
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Sep 24 from Boston to Boise, returning Mon, Sep 28, priced at $235 just found
Thu, Sep 24 - Mon, Sep 28
BOS
Boston
BOI
Boise
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Sep 24 from Boston to Boise, returning Mon, Sep 28, priced at $237 just found

Ontario economy flight packages

Price found within the past 48 hours. Click for updated prices.
Holiday Inn Boise Airport by IHG
3.0-star property

Holiday Inn Boise Airport by IHG

8.6/10 Excellent! (1,001 reviews)

Sep 17 - Sep 19

2 night stay

Boston (BOS) to Boise (BOI)

American Airlines • Non-stop • Coach

Boise (BOI) to Boston (BOS)

Southwest Airlines • Non-stop • Coach
Price was $574, price is now $532 per person
$532
per person
found 1 day ago

Hilton Garden Inn Boise Spectrum
3.0-star property

Hilton Garden Inn Boise Spectrum

9/10 Wonderful! (1,011 reviews)

Sep 17 - Sep 19

2 night stay

Boston (BOS) to Boise (BOI)

American Airlines • Non-stop • Coach

Boise (BOI) to Boston (BOS)

Southwest Airlines • Non-stop • Coach
Price was $613, price is now $560 per person
$560
per person
found 1 day ago
The room was very clean and the bed was comfortable. Shower air conditioning. Everything worked great. The food there was pretty good too. Enjoyed my stay

Reviewed on Aug 10, 2026

Modern Hotel
3.0-star property

Modern Hotel

9.6/10 Exceptional! (1,000 reviews)

Sep 17 - Sep 19

2 night stay

Boston (BOS) to Boise (BOI)

American Airlines • Non-stop • Coach

Boise (BOI) to Boston (BOS)

Southwest Airlines • Non-stop • Coach
Price was $629, price is now $577 per person
$577
per person
found 1 day ago
The free bike rentals made exploring downtown Boise very convenient. Boise has dedicated bike lanes everywhere. Hotel is in downtown so restaurants and mom and pop coffee shops are plentiful within a 15 minute walk in every direction. Staff was very helpful and knowledgeable.

Reviewed on Aug 10, 2026

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More About Flying To Ontario from Boston

Route Information for Flights from Boston to Ontario

Origin Airport IATA Code
BOS
Destination Airport IATA Code
BOI
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Boston to Ontario

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.