United vs Alaska miles for Hawaii: only one of them publishes a price

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The verdict

1. United is the only one of the two with a published price, so it is the only one you can test before you log in. United's buy-miles page states "Miles cost $35.00 USD* per 1,000 miles," plus taxes and fees, with a minimum purchase of 2,000 miles — read on 22 September 2026. That is $0.035 a mile, so a Hawaii award has to be worth more than that per mile before buying makes sense. See today's United miles price and run your own numbers in our points-value calculator.
2. Alaska's storefront is walled against automated reading and publishes nothing we could open, so we print no price for it. What Alaska does publish is the rulebook — and its currency is no longer Mileage Plan miles but Atmos Rewards points, after Alaska and Hawaiian merged their programs.
3. The award side is unknowable in advance at both airlines. Neither publishes a Hawaii award price we could open. Atmos's terms warn that points are redeemed "at the redemption level in effect at the time of redemption," and that partners may change award amounts without notice. Buy against a seat you have already priced, never against a hope.

The one price either airline publishes

United's buy-miles page serves its own copy: *"Miles cost $35.00 USD per 1,000 miles"**, footnoted *"Plus, taxes and fees. Minimum purchase of 2,000 miles."

Two things follow, and you can repeat both without trusting us. First, $35.00 for 1,000 miles is 3.5 cents a mile before tax — divide the dollar figure by the mile figure. Second, the smallest transaction United will take is 2,000 miles, which is $70.00 at that rate, again before taxes and fees. Those are the only airline purchase figures in this article, and the only ones we found published anywhere on either carrier's own pages.

That 3.5-cent figure is not a valuation. It is a cost. The question a Hawaii trip poses is whether the seat you want returns more than 3.5 cents of value per mile once the cash still due on the award ticket is subtracted — and that is a question only your specific itinerary can answer. We walk through the purchase side on its own in buying United miles versus paying cash.

United's own pages also confirm that its miles can lapse, without stating the condition. The buy-miles page sells reinstatement: "If your miles expired within the past 18 months, you don't have to lose them for good," with "Up to 750,000 expired miles" reinstatable, "Starting from $50.00." We could not open United's MileagePlus program rules to quote the expiry rule itself — united.com serves a JavaScript shell to a direct request — so we are not going to state one. What we can say is that United sells a product for miles that have already expired, which tells you the situation arises.

Alaska is Atmos Rewards now, and it changes the Hawaii question

This is the part most comparisons have not caught up with. Alaska's loyalty program terms are published under the name Atmos Rewards, and the currency in them is points, not miles. The terms record the merger directly: Mileage Plan members "will be automatically enrolled" and keep their membership number, while HawaiianMiles members "will be automatically enrolled as of October 1, 2025" and receive a new number.

For a Hawaii trip specifically, that is the whole story. Alaska and Hawaiian are now the same program, so flying to the islands on either carrier is in-programme award travel rather than partner award travel — and the terms treat those two categories very differently:

"There are no blackout dates on award travel with Alaska Airlines or Hawaiian Airlines. For partner award travel, award space is limited and subject to certain restrictions including blackout dates and other capacity controls."

That is a meaningful published guarantee on exactly the routes a Hawaii traveller cares about, and we found no equivalent statement on any United page we could open. It is not a promise of availability — the terms add that Atmos "cannot ensure availability of award seats on any flight, route, or date" — but it does rule out a whole category of calendar restriction.

There is a second routing clause worth checking before you compare, and it is narrower than it first looks. Atmos's general stopover allowance — "one enroute stopover at an eligible city" per one-way award — is written for eligible international itineraries. The clause that can apply to a domestic Hawaii routing is the separate one: "when award travel is redeemed solely on Alaska Airlines, one enroute stopover is allowed for each one-way award." It is written around Alaska-operated travel, so confirm your itinerary qualifies before you plan a West Coast stop into it.

What Alaska does not publish is a purchase price. Its points storefront runs through Points.com — the channel Alaska's own terms name — and returned a Cloudflare challenge to every automated request we made on 22 September 2026, so we could not read a rate from it. We therefore print none. You can see today's Alaska points price for your own account, and the walkthrough of that decision is in buying Alaska miles versus paying cash.

What neither program tells you about a Hawaii award

Neither carrier publishes a Hawaii award chart we could open, and Atmos's terms are candid about why planning around a stored balance is risky:

• "Awards or accrued Points, including purchased Points, do not constitute the property of the member", and they give the member an option to exchange them "at the redemption level in effect at the time of redemption (not at the time of accrual)." Buy points today, and you are exposed to tomorrow's price.
• "Partners may, at their discretion and without notice, change the amount of points required for their awards", along with the points credited for an activity.

Read those two clauses together and the rule writes itself: the moment to buy is when you have an award already priced and are closing a gap you can measure. Speculative stockpiling is the failure mode Atmos's terms describe without quite naming it.

The sum for a Hawaii seat

Your ceiling per 1,000 miles = (cash fare you would otherwise pay − cash still due on the award ticket) ÷ miles the award requires × 1,000

Four steps, in this order:

1. Price the cash fare you would actually buy for those dates. Not the flexible fare, not the fare a comparison site shows without bags — the one you would pay.
2. Price the award, and note the taxes, fees and carrier charges still payable in cash on it. That amount comes off the numerator.
3. Divide by the miles or points the award needs, then multiply by 1,000. That is your ceiling.
4. Compare. For United, compare against the published $35.00 per 1,000, remembering that taxes and fees are added on top of it. For Alaska, compare against whatever the storefront quotes your account, because nothing is published to compare against in advance.

If your ceiling comes in below the price you are quoted, pay cash. It is that simple, and it is the same sum we use for hotel currencies in when buying hotel points is worth it.

Two different risks on a stored balance

The programs diverge sharply on what happens to points you are not ready to spend.

Atmos is unusually generous here, and says so plainly: "Atmos Rewards points do not have an expiration date and may remain in an account indefinitely, provided that the Atmos Rewards program has not been terminated pursuant to these conditions of membership." There is no inactivity clock to manage. The risk on an Alaska balance is repricing, not forfeiture.

United publishes no expiry rule we could open, but does sell reinstatement for miles that have already expired, within 18 months and up to 750,000 miles, starting from $50.00. Treat that as a signal to keep an eye on the account rather than as a rule you can plan around.

Neither balance earns you status. Atmos states that "Purchased, gifted, or transferred points are not eligible for earning status points," and adds that status points "cannot be redeemed for award travel or any other reward" — they exist only to qualify. There is also no family workaround at Alaska: "There are no group or family memberships; each individual must enroll separately," which matters if you were hoping to pool a household's balances for four seats to Honolulu.

Transfers, reinstatement and the other ways to close a gap

Before either storefront, check whether the gap can be closed another way.

United publishes transfer pricing on the same page as its purchase price: *"Mile transfers cost $7.50 USD per 500 miles"**, with "a processing fee of $30.00 per transaction" on top, and a stated range of 500 to 100,000 miles per transfer. Run the arithmetic before you assume a transfer is cheaper than a purchase — $7.50 per 500 miles is 1.5 cents a mile before the processing fee, but that flat $30.00 has to be spread across whatever you move, so small transfers are expensive and large ones are not.

Alaska permits points to be moved only through sanctioned channels. Its terms state that no benefit of membership "may be sold, purchased, or bartered, except to the extent permitted through Points.com," and that anything obtained from an unauthorised source is voidable at Alaska's discretion. In other words: the storefront is the channel, and points bought anywhere else are a liability rather than an asset.

So which do you buy for Hawaii?

United, if you want to decide with a number in front of you. It is the only one of the two that publishes what miles cost, and a published cost is the thing you can test a booking against. The trade is that United publishes nothing about what a Hawaii award costs, so the other half of your fraction still has to be priced by hand.

Alaska, if the trip is on Alaska or Hawaiian metal and the published guarantees matter to you — no blackout dates on either carrier's own award travel, points that never expire, and a stopover allowance on Alaska-only award travel that can stretch one award across two stops. You will be buying without a published price, so open the storefront only after the rest of the sum is written down.

Neither, which remains the most common correct answer, if you are buying because a promotion appeared rather than because a specific seat is a measurable distance out of reach. The same test applies to every other programme in this hub — see buying JetBlue points versus cash and buying Southwest points versus cash for the two other US carriers we cover, and how to top up points for an award night for the mechanics of a small, targeted purchase. The same discipline applied to hotel loyalty — concentrating in one chain rather than buying into several — is in IHG One Rewards versus Best Western Rewards for a US road trip.

FAQ

Is it better to use United miles or Alaska miles for Hawaii?

Alaska's program, now called Atmos Rewards, publishes two things United does not: no blackout dates on award travel operated by Alaska or Hawaiian, and points that never expire. United publishes the one thing Alaska does not: what miles cost to buy. Neither publishes a Hawaii award price, so the decision comes down to pricing your specific itinerary in both programs and comparing the miles each asks for against the cash fare.

How much does it cost to buy United miles?

United's own buy-miles page states that miles cost thirty-five dollars per thousand miles, plus taxes and fees, with a minimum purchase of two thousand miles. That works out to three and a half cents a mile before tax, and the minimum transaction is therefore seventy dollars before taxes and fees. The page was read on the twenty-second of September 2026 and prices can change.

Do Alaska miles expire?

No. The Atmos Rewards terms state that points do not have an expiration date and may remain in an account indefinitely, provided the program itself has not been terminated under the conditions of membership. The risk on a stored Alaska balance is therefore not forfeiture but repricing, because the terms say awards are exchanged at the redemption level in effect at the time of redemption rather than the level in effect when the points were earned.

Do purchased miles count toward Alaska or United status?

Not at Alaska. The Atmos Rewards terms state that purchased, gifted or transferred points are not eligible for earning status points, and that status points cannot be redeemed for travel at all. We could not open United's program rules to quote its equivalent provision, so we are not stating one — but no major US programme we have read awards status for bought miles, and we would not buy on that assumption.

Can you pool Alaska miles with family for a Hawaii trip?

Not through a family account. The Atmos Rewards terms state that there are no group or family memberships and that each individual must enroll separately. Points can be moved only through the channels the program permits, which its terms identify as the Points.com transfer program, the points sharing feature attached to eligible Atmos Rewards credit cards, and secondary cardholder arrangements.