You may exchange 250 AMEX points for 200 True Blue points.  jetBlue also has a branded Credit Card.

To see every Frequent Flyer Credit Card and find your perfect match:
Launch the MARS Credit Card CalculatorTM
jetBlue True Blue Credit Cards
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Premier Rewards Gold Card
  • Earn 15,000 Membership Rewards(R) bonus points
    when you spend $1,000 in your first three months of
    Card membership    
  • Build up Membership Rewards points fast - earn 3X
    points on airfare, 2X points on gas and groceries, and
    1X points on everything else      
  • No annual fee for your first year of Card Membership;
    $175 thereafter   
  • Use Pay with Points at American Express Travel and
    fly any airline, anytime, anywhere, with no blackout
    dates or seat restrictions
Platinum Card® from American Express
  • Earn 50,000 Membership Rewards bonus points when
    you spend $1,000 in your first three months of Card
    membership    
  • Get up to $200 in Airline Fee Credits annually to cover
    incidental fees with your favorite airline       
  • Airport Club access for you and your guests            
  • Platinum Card Concierge is at your service 24/7 to help
    with gift buying, reservation making, and more           
  • FINE HOTELS & RESORTS program offers special
    upgrades and amenities at more than 600 locations
    worldwide
American Express® Gold Card
  • Earn 10,000 Membership Rewards(R) bonus points
    when you spend $500 in your first 3 months of Card
    membership - redeemable for select gift cards valued
    at $100!
  • The Membership Rewards program - Turn your
    everyday purchases into Membership Rewards points,
    and then redeem them for an amazing collection of
    travel, shopping, dining and entertainment rewards.
  • Gold Card Events - exclusive access to tickets for
    select concerts, shows, major sporting events, and
    more in cities nationwide.
  • Express Approval. Get a decision in 60 seconds.
American Express(R) Premier
Rewards Gold Card
Platinum Card(R) from
American Express
American Express(R) Gold
Card
American Express Membership Rewards
Transfer 250 AMEX Points for 200 True Blue Points, or Transfer Points into 15 Different Airlines
MARS Frequent FlyerTM
Travel the World for Free!TM