JetBlue has a $263 fare from Long Beach to Anchorage, Alaska for nonstop travel on a few dates in May and June or August and September. Fares are as low as $293 for travel in July.
Alaska Airlines flights are about $90 more for travel from LAX, but Delta from LAX has some dates at $328 routing via Seattle for a lower fare than Alaska Airlines.
JetBlue $293 Long Beach LGB – ANC Anchorage, Alaska
July 13-21, 2015
Los Angeles LAX – ANC Anchorage
Delta Airlines $327.49 July 13-21, 2015
Earn 50% redeemable miles with Alaska Mileage Plan based on flight distance for Delta V fare, compared to 5x miles with Delta Skymiles based on ticket price.
Delta miles = 1,285 miles based on $257 base ticket price.
Alaska miles = 3,228 based on 6,456 flight miles routing via MSP on the outbound journey.