Cheap flights from Ontario to Honolulu from $245 ONT → HNL

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $262 to $367.

At $382, the cheapest return found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 4-night return fares leaving within 3 days of 7 Dec to compare.

Every date we hold

228 fares on 32 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $375.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $169 to $219.

At $245, the cheapest one-way found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 11 Mar 2027 to compare.

Every date we hold

35 fares on 10 departure dates

Which month looks cheapest?

February 2027 is the cheapest month — from $219.

Return

Fares 14 to 29 days before departure were typically 41% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 30 to 59 days before departure were typically 13% lower than 14 to 29 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Ontario to Honolulu?

The cheapest return found recently is $382 with Southwest Airlines, 7 Dec to 11 Dec, found yesterday. The cheapest return we hold, of any age, is $375 with American Airlines, 7 Dec to 12 Dec, found 7 days ago. The cheapest return fare on each of 32 departure dates is usually $446 to $531.

How much is a one-way flight from Ontario to Honolulu?

The cheapest one-way found recently is $245 with Alaska Airlines, 11 Mar 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $219 with Alaska Airlines, 22 Feb 2027, found 3 days ago. The cheapest one-way fare on each of 10 departure dates is usually $224 to $254.

What is the cheapest month to fly from Ontario to Honolulu?

December 2026 is the cheapest month for a return, from $375, 7 Dec to 12 Dec, found 7 days ago. February 2027 is the cheapest month for a one-way, from $219, 22 Feb 2027, found 3 days ago.

Every date in December 2026

How far ahead should I book a flight from Ontario to Honolulu?

In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 41% lower than 0 to 6 days before departure. One-way fares 30 to 59 days before departure were typically 13% lower than 14 to 29 days before departure.

Is there a direct flight from Ontario to Honolulu?

Yes, the cheapest nonstop return found recently is $382 with Southwest Airlines, 7 Dec to 11 Dec, found yesterday. The cheapest nonstop one-way found recently is $245 with Alaska Airlines, 11 Mar 2027, found 2 days ago.

Every nonstop date from Ontario to Honolulu

How long is the flight from Ontario to Honolulu?

The cheapest nonstop one-way found recently, with Alaska Airlines on 11 Mar 2027, takes 6 h 23 min from Ontario International Airport (ONT) to Honolulu International Airport (HNL).

Which airlines have the cheapest flights from Ontario to Honolulu?

Between 13 Nov and 11 Sept 2027, Alaska Airlines has the cheapest return on 22 of the 32 departure dates we hold, Southwest Airlines on 8 and American Airlines on 2. Between 22 Feb 2027 and 17 Sept 2027, Alaska Airlines has the cheapest one-way on 8 of the 10 departure dates we hold, Southwest Airlines on 1 and American Airlines on 1.