Cheap flights from Raleigh/Durham (RDU)

Research Triangle gateway with growing transatlantic service

Raleigh-Durham International sits roughly midway between Raleigh and Durham, about 25 km from each, serving the Research Triangle region of North Carolina. American, Delta, United, Southwest, JetBlue and Frontier all run substantial schedules, with no single dominant carrier. International service includes London (Delta and American), Paris and Reykjavik seasonally. RDU has been one of the fastest-growing mid-sized U.S. airports.

Why search this airport on Flightmussy

Airlines flying from Raleigh/Durham (RDU)

Major carriers: American, Delta, United, Southwest, JetBlue. Low-cost carriers: Southwest, Frontier, Spirit, JetBlue.

Popular destinations from Raleigh/Durham (RDU)

Frequently asked questions

What is the cheapest month to fly from Raleigh-Durham?
Late January, February and early September are the softest fare months at RDU. Transatlantic fares to London also drop sharpest in the Jan-Feb window. Flightmussy's 12-month fare heatmap shows the exact cheapest week per route, often well below the rest of the year.
Which airlines fly out of RDU?
American, Delta, United, Southwest, JetBlue, Alaska, Frontier and Spirit all operate scheduled service, plus international carriers including Delta to LHR/CDG and American to LHR. Flightmussy compares every airline in one no-signup search and surfaces hidden LCC fares.
Are there direct flights from RDU to London?
Yes — Delta operates a daily nonstop to London Heathrow, and American Airlines adds seasonal frequencies. Flightmussy compares both side-by-side and the 12-month heatmap surfaces the cheapest week, usually somewhere in late January or February.
How far is RDU from Raleigh and Durham?
RDU sits roughly midway between the two cities — about 25 km from downtown Raleigh and 20 km from downtown Durham. GoTriangle bus routes serve both cities, and the drive via I-40 takes 25-30 minutes either way outside rush hour.

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