Raleigh-Durham International (RDU) to O'Hare International (ORD).
| Departure | Return | Price |
|---|---|---|
| 06/02/2026 | 06/09/2026 | $190 |
| 06/02/2026 | 06/10/2026 | $190 |
| 06/03/2026 | 06/09/2026 | $190 |
| 06/03/2026 | 06/10/2026 | $190 |
| 06/09/2026 | 06/16/2026 | $190 |
| 06/09/2026 | 06/17/2026 | $190 |
| 06/10/2026 | 06/17/2026 | $190 |
| 06/16/2026 | 06/23/2026 | $190 |
| 06/16/2026 | 06/24/2026 | $190 |
| 06/17/2026 | 06/23/2026 | $190 |
Based on current fares, August is the cheapest month to fly from Raleigh to Chicago, with average fares around $204 round trip (as low as $190).
See the full month-by-month and day-of-week price analysis
Best Time to Fly RDU → ORDDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Raleigh to Chicago is August, with average round-trip fares around $204. Fares in August start as low as $190. The most expensive month is May, averaging $230.
A nonstop flight from Raleigh to Chicago takes approximately 2h.
The cheapest flight from Raleigh to Chicago currently starts at $190 round trip in economy class.
The average round-trip flight price from Raleigh to Chicago is $228 in economy class.
The distance is 641 miles (1031 km). with a nonstop flight time of about 2h. The lowest fare currently available is $190 departing in June. The average round-trip fare is $228.
Set up a guest alert and we'll keep checking prices for you. No account needed.
Get Started Free →