Cheap United flights Tulsa (TUL) to Duluth (DLH)

• Los Angeles to San Salvador (LAX - SAL)
• Newark Liberty Intl. Airport to Philipsburg (EWR - SXM)
• Hartford to Fort Lauderdale (BDL - FLL)
• Charlotte to Split (CLT - SPU)
• Newark Liberty Intl. Airport to West Palm Beach (EWR - PBI)
• Jackson Hole to Joplin (JAC - JLN)
• Washington to Rome (IAD - FCO)
• Newark Liberty Intl. Airport to Philipsburg (EWR - SXM)
• Little Rock to Las Vegas (LIT - LAS)
• Chicago to Phoenix (ORD - PHX)

Popular Domestic Routes in Duluth Intl.

• Newark Liberty Intl. Airport to Columbus (EWR - CMH)
• Minneapolis to Greensboro (MSP - GSO)
• Peoria to Portland (PIA - PDX)
• Chicago to Phoenix (ORD - PHX)
• Atlanta to Bonaire (ATL - BON)
• Houston to Providence (IAH - PVD)
• Los Angeles to San Salvador (LAX - SAL)
• Peoria to Portland (PIA - PDX)
• Sioux Falls to Denver (FSD - DEN)
• Little Rock to Las Vegas (LIT - LAS)

Airlines Operating

• American Airlines
• Delta
• United
• Frontier Airlines
• Air France
• KLM
• Lufthansa
• Qatar Airways

• Flights from Tulsa
• Flights from Broken Arrow
• Flights from Catoosa
• Flights from Bartlesville
• Flights from Pryor
• Flights from Owasso
• Flights from Claremore
• Flights from Jenks
• Flights from Sand Springs
• Flights from Bixby
• Flights from Sapulpa
• Flights from Okmulgee