Can You Use Singapore Airlines Miles to Book United Airlines Flights to the Caribbean?

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Million Mile Secrets reader, Traci, commented:

Thanks for all of the great information!  I’m wondering if I can transfer points from a Chase Sapphire Preferred and Citi ThankYou Premier card to Singapore Airlines.  Then book a trip on United Airlines from Salt Lake City to San Juan, Puerto Rico?

That will work, Traci!

Singapore Airlines miles are a great way to book United Airlines awards flights!

Can You Use Singapore Airlines Miles To Book United Airlines Flights To The Caribbean

Singapore Airlines Miles Can Get You to Puerto Rico and the Other Caribbean Islands On United Airlines

I’ll explain how to book these flights and how it may even save you money!

How to Use Singapore Airlines Miles to Book United Airlines Flights to the Caribbean

You can use Singapore Airlines miles to book award flights on Star Alliance partners like United Airlines.  And you don’t have to pay fuel surcharges on United Airlines flights!

To book your award seat, start by checking for flights at the United Airlines site.

Note:  Make sure you can find flights first!  Once you transfer your points to Singapore Airlines you can NOT get them back!

Can You Use Singapore Airlines Miles To Book United Airlines Flights To The Caribbean

Find Saver Flights That Work for You at the United Airlines Site

You can only book Saver United Airlines flights with Singapore Airlines miles.  So look for 1-way segments priced at 17,500 miles each.

Once you find flights that fit with your travel plans, call Singapore Airlines at 312-843-5333 to make your reservation.

Singapore Airlines charges the same amount of miles on United Airlines as you’d pay booking directly.  For a round-trip flight, you’ll need:

  • 35,000 Singapore Airlines miles in coach
  • 60,000 Singapore Airlines miles in Business Class
  • 80,000 Singapore Airlines miles in First Class

Using Singapore Airlines Miles Can Save You Money!

If your plans change, getting a refund on canceled award flights you booked with United Airlines miles will cost folks without elite status $200.  However, Singapore Airlines only charges $30 to redeposit your miles!

Even if you only want to make changes to your itinerary, you’ll have to pay a fee of $75 (21 or more days before travel) to $100 (less than 21 days before travel) with United Airlines.  But if you use your Singapore Airlines miles, making a change to your itinerary costs just $20.

All the Ways to Earn Singapore Airlines Miles

It’s easy to earn lots of Singapore Airlines miles because you can transfer points from all 4 flexible points programs.

1.   AMEX Membership Rewards

Link:   The Platinum Card® from American Express

Link:   The Enhanced Business Platinum Card® from American Express OPEN

Link:   AMEX EveryDay® Preferred Credit Card

Link:   Premier Rewards Gold Card from American Express

AMEX Membership Rewards points transfer at a 1:1 ratio to Singapore Airlines in increments of 1,000 points.

Personal CardsBusiness Cards
Premier Rewards Gold Card From American ExpressThe Business Gold Rewards Card from American Express OPEN
The Platinum Card® from American Express Exclusively for Mercedes-BenzThe Blue Business℠ Plus Credit Card from American Express
The Platinum Card® from American ExpressThe Business Platinum® Card from American Express OPEN
AMEX EveryDay® Credit Card from American Express
Business Green Rewards Card from American Express OPEN
AMEX EveryDay® Preferred Credit Card from American Express
American Express® Gold Card
American Express® Green Card
Blue from American Express® Note: These are the ONLY AMEX cards that earn Membership Rewards points that can NOT be transferred to airline & hotel programs. But you can use these points on the Membership Rewards website for other redemptions. Includes personal AND small business versions of the card.

And you do NOT have to pay excise fees because it’s not a US airline.

It usually takes ~24 hours for the miles to show up in your Singapore Airlines account.

2.   Chase Ultimate Rewards

Link:   Chase Freedom

Link:   Chase Ink Cash

Link:   Chase Ink Plus

Link:   Chase Sapphire Preferred

You can earn Chase Ultimate Rewards points with these cards:

Personal CardsBusiness Cards
Chase Sapphire ReserveChase Ink Plus
Chase Sapphire PreferredChase Ink Bold (No Longer Available to New Applicants)
Chase FreedomChase Ink Cash
Chase Freedom Unlimited
Chase Sapphire (No Longer Available to New Applicants)
Note: Points earned from the Chase Freedom, Sapphire, and Ink Cash cards can only be transferred to travel partners if you also have a Chase Sapphire Preferred, Ink Plus, or Ink Bold card.

But you need the Chase Sapphire Preferred, Chase Ink Bold (no longer available), or Chase Ink Plus to transfer your Chase Ultimate Rewards points directly to partners like Singapore Airlines at a 1:1 ratio.

You can transfer in 1,000 point increments and in my experience transfers go through on the same day.

2.   Citi ThankYou Points

Link:   Citi Prestige

Link:   Citi ThankYou Premier

There are lots of ways to earn Citi ThankYou points:

Cards With Points That Directly Transfer to Travel PartnersCards With Points That Transfer ONLY If You Have a Card From First Column
Citi ThankYou® Premier CardCiti ThankYou® Preferred Card
Citi Prestige® CardCiti ThankYou Preferred for College Students
Citi ChairmanCitiBusiness ThankYou (No Longer Available)
Citi AT&T Access More

And as long as you have the Citi Presitge, Citi ThankYou Premier, or Citi Chairman card (no longer available), you can transfer your Citi ThankYou points to Singapore Airlines at a 1:1 ratio.

You have to transfer in 1,000 point increments and it will typically take ~2 days for the miles to post to your Singapore Airlines account.

3.   Starwood Points

Link:   Starwood Preferred Guest® Credit Card from American Express

Link:   Starwood Preferred Guest® Business Credit Card from American Express

You can also transfer Starwood points you earn with the AMEX Starwood personal and small business cards to Singapore Airlines.  Plus, when you transfer in increments of 20,000 points, you’ll get a 5,000 point bonus!

Bottom Line

You can use Singapore Airlines miles to book flights from the US to the Caribbean on United Airlines.  You’ll pay the same amount of miles for your flight and you can transfer points to Singapore Airlines from all 4 flexible points programs:

Before you transfer your points, make sure you can find a Saver award flight on the United Airlines site that works for you.  When you’re ready to book, give Singapore Airlines a call at 312-843-5333.

I hope that helps, Traci!

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10 responses to “Can You Use Singapore Airlines Miles to Book United Airlines Flights to the Caribbean?

  1. Hi! I was trying to book roundtrip flights from PIT to KOA for Jan 23rd. There is economy saver award availability showing on and I double checked the availability on When I called Singapore airlines there were able to find 2 of the 3 legs of my requested flight. They found IAD to SFO and SFO to KOA but couldn’t find the PIT to IAD leg. The same was true on the return from KOA. They found the KOA to SFO and SFO to EWR but again couldn’t see the EWR to PIT connection.
    Have you ever had this issue before where availability shows but the Singapore airline agent can’t see one of the legs of a requested booking?

  2. Hi Darius, I’ve read a lot of good things about Singapore Airlines and Krisplayer, its frequent flyer program. (The Points Guy is a big fan.) I am currently thinking about canceling my Citi Premier card to avoid the annual fee, (I will keep the no annual fee Preferred card.) and it was recommended to me that I transfer all my 75k Thank You points to Krisplayer before canceling, but I am a little worried about having so many miles in an airline I never fly. Now I am a little less worried, seeing how I can use these miles to fly United. But I am wondering if this is the best way to keep these Thank You points in play. (I don’t plan on getting another Thank You card anytime soon, and after canceling the Premier I will have to wait 18 months before reapplying.) So was wondering if you had different advice for me, or do you think this is my best move? I have also read some conflicting reports about Krisplayer’s mileage expiration policy, and I was wondering if you know anytthing about this.

    Regards, and thanks as always for the advice.

  3. Would booking a flight on UA through SA also allow you to utilize UA’s stopover/open jaw allowances?

  4. Sorry, I meant SQ, not SA.

  5. It seems “AMEX Membership Rewards->SPG points->Singapore Airline points” will get you extra points.

  6. @Kevin – I haven’t heard of that issue before. I’d try speaking a different agent next time.

    @josh mackles – You can transfer your Citi ThankYou points to the Citi Preferred card, but then you won’t be able to transfer to airline or hotel partners.

    Singapore Airlines says:

    KrisFlyer accounts which have activity are valid for 36 months from the end of the month in which the last activity occurred, after which the membership accounts will expire. KrisFlyer accounts which do not have any activity for a period of 18 months since enrolment will expire after that period of 18 months.

    So the choice is whether you want to transfer your points over or not. Hope that helps!

    @Drew R – No, you’d have to follow Singapore Airlines’ rules if you redeem their miles.

    @Amy – AMEX Membership Rewards points transfer to Starwood at a 3:1 ratio, so you’d actually end up with fewer miles, even counting the 5,000 miles bonus when you transfer 20,000 Starwood points.

  7. Hi, i am planning to book a flight to KUL with my ultimate rewards points. Referring to your article above, in theory i could transfer it to singpore airline miles and use that to book the united flight? thanks!

  8. MMS: I’m running into the same issue as Kevin; United’s chart shows awards availability [I made sure not to login] yet Singapore told me there are no seats available? Any help or advice?

  9. Singapore charges less not the same as UA to fly UA in N America. Econ 25k, biz 40k and first 60k. UA first class books into biz on Singapore so cost 40k pts return.

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