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United Airlines Promo Codes & Coupons September 2025

Rating: 4.9 / 5

  • Top pick

    $150 off

    code
    Verified

  • Scroll Down to See Code

    code
    Verified

  • Scroll Down to See Code

    code
    Verified

  • $400 off

    code
    Not verified

  • Special Offer

    code
    Not verified

  • $300 off

    code
    Not verified

  • Free Economy Plus seat upgrade

    code
    Not verified

  • $75 off

    code
    Not verified

  • $300 off

    code
    Not verified

  • $300 off

    code
    Not verified

  • $150 off

    code
    Not verified

  • Save Up to 250 Per Booking

    code
    Not verified

  • $250 off

    code
    Not verified

  • Newsletter Offer

    deal

The United Airlines FAQs

How do I use my United Airlines coupons?

To apply the coupon, click the 'show code' button next to the code on this page, and paste it into the 'discount code or gift card' box at the checkout and click 'apply'.

How many coupon codes are currently available for United Airlines?

At the moment, there are a total of 10 active coupon codes that can be used on the United Airlines website.

Can I Use Multiple United Airlines Coupon Codes at Once?

United Airlines does not permit the use of multiple coupon codes simultaneously, a practice known as 'coupon stacking.' Since only one discount code can be redeemed per transaction, we suggest finding the best United Airlines offer available. Usually, that promo code will apply to sale items, allowing you to maximize your savings even with a single United Airlines coupon code.

What payment options are available at United Airlines?

United Airlines accepts all major credit and debit cards, PayPal, and digital wallets.

Why didn't my coupon code work?

Your coupon code might not work for several reasons: - It may not apply to the items in your cart. - It may only be valid for first-time purchases. - It may have expired.