FREE TO JOIN — START EARNING TODAY
Best Airline Loyalty Programs 2026
Every flight you take without a loyalty number is free money left on the table. These programs are 100% free to join — and start paying from flight one.
FREE
to join all programs
$1,000s
in free flights possible
Enroll in MileagePlus Free
TL;DR — Don’t fly without a number
All five programs are completely free to join and take under 5 minutes online. Alaska Mileage Plan offers the best value per mile. Southwest Rapid Rewards has no blackout dates. United MileagePlus is best for international travel. Sign up for 2-3 programs — airlines don’t limit you, and you’ll always be covered no matter which carrier you’re on.
You don’t need to be a road warrior to benefit from airline loyalty programs. Even 2-3 flights a year adds up fast — especially when you pair a program with the right travel credit card and earn miles on everyday spending. Here are the top programs worth joining right now, all free, all worth it.
Join a Program Free — Takes 5 Minutes
BEST VALUE MILES
#1: Alaska Airlines Mileage Plan
FREE to join
“Consistently rated the best value airline program in North America — miles go further here than anywhere else.”
Enroll in Mileage Plan Free
Alaska Mileage Plan is consistently rated the highest-value frequent flyer program in North America. Alaska miles are worth more than most competitors — you can redeem them on 13+ partner airlines including American, British Airways, Cathay Pacific, and Finnair. That means one Alaska account can get you flights almost anywhere in the world.
PROS
- Best mile redemption value
- 13+ airline partners
- No mileage expiration (with activity)
CONS
- Smaller domestic network
- No EU hubs directly
Best for: West Coast travelers, international redemptions, credit card mile collectors
NO BLACKOUT DATES
#2: Southwest Rapid Rewards
FREE to join
“Earn the Companion Pass and a second person flies free with you for up to 2 years.”
Join Rapid Rewards Free
Southwest Rapid Rewards has zero blackout dates and no seat restrictions — if a seat is available, you can book it with points. The crown jewel is the Companion Pass: earn 135,000 qualifying points in a calendar year and a designated companion flies free with you for the rest of that year AND all of the next. Most people hit this with a new Southwest credit card welcome bonus.
PROS
- Zero blackout dates
- Companion Pass is unbeatable
- Points never expire
CONS
- Domestic US/Caribbean only
- No first/business class
Best for: Domestic flyers, families, couples chasing the Companion Pass
Free Money Tip: Sign up for your top 2-3 programs today before your next flight. Even if you already have a booking, most airlines let you add your number retroactively up to 12 months after travel.
BEST FOR INTERNATIONAL
#3: United MileagePlus
FREE to join
“Star Alliance access — 44 partner airlines, flights to 195 countries.”
Join MileagePlus Free
United MileagePlus gives you access to the Star Alliance — the world’s largest airline network with 44 member airlines flying to 195 countries. Miles never expire as long as your account has any earning or redemption activity. The Chase United Explorer Card routinely offers 60,000+ mile sign-up bonuses, which covers a round-trip to Europe in economy.
PROS
- Star Alliance global network
- Miles don’t expire with activity
- Strong credit card partnerships
CONS
- Award prices have increased
- Complex partner redemption rules
Best for: International travelers, Star Alliance partners, business class aspirations
MOST POPULAR
#4: Delta SkyMiles
FREE to join
“SkyMiles never expire — earn on Delta, SkyTeam partners, and everyday credit card spending.”
Join SkyMiles Free
Delta SkyMiles is the largest airline loyalty program in the US by membership. Miles never expire — period. The program has strong credit card partnerships with Amex: the Delta Gold SkyMiles card frequently offers 70,000–80,000 mile welcome bonuses plus a companion certificate annually. SkyTeam access covers 19 airlines including Air France, KLM, and Korean Air.
PROS
- Miles never expire
- SkyTeam — 19 partner airlines
- Annual companion certificate (with card)
CONS
- Dynamic pricing (no award charts)
- Higher redemption rates recently
Best for: East Coast travelers, SkyTeam international routes, Amex cardholders
ONEWORLD ALLIANCE
#5: American Airlines AAdvantage
FREE to join
“Oneworld access — British Airways, Qatar Airways, Cathay Pacific, Japan Airlines and more.”
Join AAdvantage Free
American AAdvantage is a Oneworld Alliance member — giving you partner access to British Airways, Qatar Airways, Cathay Pacific, Japan Airlines, and Finnair among others. AAdvantage miles earned through the Citi AAdvantage card can unlock business class to Europe for 57,500 miles — one of the best deals still available in US airline programs.
PROS
- Oneworld — best business class partners
- Strong sweet spot redemptions
- Large US domestic network
CONS
- Miles expire after 24 months inactivity
- Partner award availability can be limited
Best for: Business class dreamers, Oneworld partner routes, AA hub city residents
Earn Miles 10x Faster: The Right Credit Card Changes Everything
Flying earns miles — but a good travel credit card earns miles on EVERYTHING you buy. Groceries, gas, dining, streaming. The right card welcome bonus alone can cover a round trip to Europe.
- Chase Sapphire Preferred — 60,000 point bonus, transfers to United, Southwest, Hyatt & more. Apply free
- Amex Delta Gold Card — 70,000 SkyMiles bonus + annual companion certificate. Apply free
- Southwest Rapid Rewards Premier — 65,000 points toward Companion Pass. Apply free
Quick Comparison: All 5 Programs
| Program |
Alliance |
Miles Expire? |
Best For |
Enroll |
| Alaska Mileage Plan |
Oneworld (partner) |
No (with activity) |
Best value |
Join Free |
| Southwest Rapid Rewards |
Independent |
Never |
Companion Pass |
Join Free |
| United MileagePlus |
Star Alliance |
No (with activity) |
International |
Join Free |
| Delta SkyMiles |
SkyTeam |
Never |
East Coast routes |
Join Free |
| American AAdvantage |
Oneworld |
24 months inactivity |
Business class |
Join Free |
Start Earning Free Flights Today
Join Now — It Takes 5 Minutes and Costs Nothing
Every flight you take without a loyalty number is miles permanently lost. Sign up for Alaska Mileage Plan and United MileagePlus today — those two programs cover nearly every route on earth.
Join Alaska Mileage Plan Free
Disclosure: This article may contain affiliate links including credit card referral links. Enrollment in airline loyalty programs is free and we receive no commission for program sign-ups. Credit card links may result in compensation if you are approved. Please review all terms before applying for any financial product.
