O'Hare International (ORD) to Keflavik International (KEF).
| Departure | Return | Price |
|---|---|---|
| 05/27/2026 | 06/02/2026 | $649 |
| 05/27/2026 | 06/03/2026 | $659 |
| 05/27/2026 | 06/01/2026 | $699 |
| 05/26/2026 | 06/02/2026 | $705 |
| 05/26/2026 | 06/03/2026 | $715 |
| 07/14/2026 | 07/22/2026 | $730 |
| 07/21/2026 | 07/30/2026 | $730 |
| 07/22/2026 | 07/30/2026 | $730 |
| 07/22/2026 | 07/31/2026 | $730 |
| 07/26/2026 | 07/31/2026 | $730 |
Based on current fares, July is the cheapest month to fly from Chicago to Reykjavik, with average fares around $782 round trip (as low as $730).
See the full month-by-month and day-of-week price analysis
Best Time to Fly ORD → KEFDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Chicago to Reykjavik is July, with average round-trip fares around $782. Fares in July start as low as $730. The most expensive month is August, averaging $928.
A nonstop flight from Chicago to Reykjavik takes approximately 6h 30m.
The cheapest flight from Chicago to Reykjavik currently starts at $649 round trip in economy class.
The average round-trip flight price from Chicago to Reykjavik is $881 in economy class.
The distance is 2969 miles (4777 km). with a nonstop flight time of about 6h 30m. The lowest fare currently available is $649 departing in May. The average round-trip fare is $881.
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