Direct (nonstop) flights from Reykjavik to Chicago

2 airlines fly nonstop from Keflavík International Airport (KEF) to Chicago O Hare International (ORD). It's 2,943 miles (4,736 km), about 6h 50m in the air. Operated by Icelandair, United Airlines.

KEF
Keflavík International Airport
🇮🇸 Reykjavik, Iceland
ORD
Chicago O Hare International
🇺🇸 Chicago, USA
Flight Time
6h 50m
Distance
2,943 mi
4,736 km
CO₂/pax
450 kg
−45 kg vs. layover
Airlines
2
Icelandair +1
Time Diff
-5h
Operated by Icelandair Icelandair United Airlines United Airlines

Route data last updated: May 28, 2026

Airlines with non-stop flights

Icelandair FI Icelandair
Route
KEF → ORD
Flight Time
6h 50m
Distance
2,943 mi
United Airlines UA United Airlines
Route
KEF → ORD
Flight Time
6h 50m
Distance
2,943 mi

Alternative Routes

Other ways to fly from Reykjavik to Chicago with one stop · direct emits 450 kg CO₂ per passenger

KEF DTW (Detroit) ORD
Leg 1: 6h 15m (2,792 mi) Leg 2: 1h 30m (234 mi) Total: ~7h 45m 🍃 495 kg CO₂ (+10% vs. direct)
Leg 1
KEF → DTW
6h 15m · 2,792 mi
View KEF to DTW flights →
Leg 2
DTW → ORD
1h 30m · 234 mi
View DTW to ORD flights →
KEF YYZ (Toronto) ORD
Leg 1: 6h 5m (2,597 mi) Leg 2: 2h (437 mi) Total: ~8h 5m 🍃 503 kg CO₂ (+12% vs. direct)
Leg 1
KEF → YYZ
6h 5m · 2,597 mi
View KEF to YYZ flights →
Leg 2
YYZ → ORD
2h · 437 mi
View YYZ to ORD flights →
KEF YUL (Montreal) ORD
Leg 1: 5h 25m (2,323 mi) Leg 2: 2h 40m (747 mi) Total: ~8h 5m 🍃 555 kg CO₂ (+23% vs. direct)
Leg 1
KEF → YUL
5h 25m · 2,323 mi
View KEF to YUL flights →
Leg 2
YUL → ORD
2h 40m · 747 mi
View YUL to ORD flights →
KEF PIT (Pittsburgh) ORD
Leg 1: 6h 20m (2,794 mi) Leg 2: 1h 53m (411 mi) Total: ~8h 13m 🍃 528 kg CO₂ (+17% vs. direct)
Leg 1
KEF → PIT
6h 20m · 2,794 mi
View KEF to PIT flights →
Leg 2
PIT → ORD
1h 53m · 411 mi
View PIT to ORD flights →
KEF MSP (Minneapolis) ORD
Leg 1: 6h 35m (2,943 mi) Leg 2: 1h 41m (334 mi) Total: ~8h 16m 🍃 537 kg CO₂ (+19% vs. direct)
Leg 1
KEF → MSP
6h 35m · 2,943 mi
View KEF to MSP flights →
Leg 2
MSP → ORD
1h 41m · 334 mi
View MSP to ORD flights →

Frequently Asked Questions

How long is the direct flight from Reykjavik to Chicago?

A nonstop flight from Reykjavik (KEF) to Chicago (ORD) takes approximately 6 hours and 50 minutes. The distance is 2,943 miles (4,736 km).

Which airlines fly nonstop from Reykjavik to Chicago?

2 airlines: Icelandair, United Airlines.

Is there a nonstop flight from Reykjavik to Chicago?

Yes. 2 airlines: Icelandair, United Airlines.

How far is Reykjavik from Chicago?

The flight distance from Reykjavik to Chicago is 2,943 miles (4,736 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.

What is the time difference between Reykjavik and Chicago?

Chicago is 5 hours behind Reykjavik. (Atlantic/Reykjavik vs America/Chicago.)

Will I experience jet lag flying from Reykjavik to Chicago?

Maybe mild — 5-hour difference. Most people adjust in a day or two.

What type of aircraft flies from Reykjavik to Chicago?

At 6h 50m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.

Do I need a visa to travel from Iceland to USA?

Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Reykjavik to Chicago?

Roughly 450 kg CO2 per passenger one-way. That's about the same as driving 2,250 km.

Is the return flight from Chicago to Reykjavik also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Reykjavik to Chicago?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.

How early should I arrive at Keflavík International Airport for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.