{"response": {"Key": "CHI-KEF", "orig": {"code": "CHI", "type": "airport", "city": "Chicago", "fullCity": "Chicago, Illinois", "airport": "Dupage County"}, "dest": {"code": "KEF", "type": "airport", "city": "Reykjavík", "fullCity": "Reykjavík, Iceland", "airport": "Keflavik Intl Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Chicago to Reykjavík?", "answer": "The flight from Chicago to Reykjavík is about 2,940 miles and typically takes 6 hours and 15 minutes nonstop. The return leg is longer, at 6 hours and 50 minutes, because of prevailing winds. Icelandair and United both operate nonstop service from O'Hare.", "methodology": "Carrier service, flight times and distances for this route come from our flight-schedule database, which draws on published airline timetables, U.S. government schedule data, and observed operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold.", "toolsUsed": ["flight_schedule"]}, "q1": {"question": "Are there any direct flights from Chicago to Reykjavík?", "answer": "Yes, Icelandair and United both fly nonstop from Chicago O'Hare (ORD) to Reykjavík (KEF). Icelandair operates up to 25 weekly flights — daily, with multiple departures most days — while United runs a daily nonstop as well. Both carriers offer overnight red-eye service on this route, with Icelandair's late departure operating six nights a week and United's running nightly.", "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours. Red-eye flights are identified from scheduled local departure and arrival times in our flight-schedule database — built from published airline timetables and official schedule data, including U.S. Department of Transportation records for domestic routes — flagging services that depart late at night and arrive the following morning; for connecting itineraries the red-eye is based on the timing of the overnight long-haul leg.", "toolsUsed": ["route_airlines", "redeye_flights"]}, "q3": {"question": "What are the ground transportation options in Reykjavík?", "answer": "From Keflavík International Airport (KEF), about 50 km southwest of Reykjavík, the most popular and fastest option is the Flybus airport coach, which meets all arriving flights and takes roughly 45 minutes to the BSI bus terminal in the city center. Taxis are available outside the terminal but are very expensive, often costing over $150 for the trip. Ride‑share services like Uber or Lyft do not operate in Iceland. Major car rental companies have desks at the airport, and driving takes about 40–45 minutes via Route 41, though parking in Reykjavík can be costly and limited. There is no direct rail or metro link.", "toolsUsed": [], "references": [{"url": "https://en.wikipedia.org/wiki/Keflavík", "title": "Keflavík", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-05-21T05:54:11Z"}, {"url": "https://en.wikipedia.org/wiki/Keflav%C3%ADk%20International%20Airport", "title": "Keflavík International Airport", "time_published": "2026-04-24T20:36:26Z"}, {"url": "https://en.wikipedia.org/wiki/List_of_airports_in_Iceland", "title": "List of airports in Iceland", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-06-04T11:34:25Z"}, {"url": "https://en.wikipedia.org/wiki/City%20Airport%20Train", "title": "City Airport Train", "time_published": "2026-03-03T11:01:10Z"}, {"url": "https://en.wikipedia.org/wiki/File:BIKF_Layout.svg", "time_published": "2024-05-11T00:00:00Z"}]}, "q4": {"question": "When is the cheapest time to fly from Chicago to Reykjavík?", "answer": "The cheapest months to fly from Chicago to Reykjavík are October, September, and November, with average fares around $509–$555. The most expensive months are May, June, and February, where average prices climb to $805–$890.", "methodology": "This 'good deal' estimate shows a representative best price for each departure date across roughly a 12-month window (about 3 months back and 9 months forward). It is built from real flight prices found by Priceline users searching this route, accumulated into a price history for each departure date. Rather than weighting all of that history equally, we apply exponential time decay so recent prices dominate — a price seen yesterday counts almost in full, one from about a month ago roughly a third, and prices from a few months back very little — giving a figure that tracks today's market instead of a stale long-run average. Clear price outliers are removed before any calculation, departure dates with no observations are filled in from nearby dates, and the resulting curve is lightly smoothed so it reads as a clean seasonal trend rather than day-to-day noise.", "toolsUsed": ["seasonal_prices"]}, "q5": {"question": "How far in advance should I book tickets from Chicago to Reykjavík?", "answer": "For flights from Chicago to Reykjavík, the best time to book is typically 11 to 14 weeks before departure, when average fares are around $834. Booking about 90 days out can yield the lowest price, roughly $827, while last-minute tickets can exceed $1,180. During peak summer and holiday periods, it's wise to book even earlier, as prices tend to rise more sharply closer to departure.", "methodology": "This booking-window guidance is built from the same real flight prices found by Priceline users searching this route, re-grouped by how many days before departure each price was seen (from the departure day out to about 180 days ahead) across the route's price history. At each booking lead time we report the 25th-percentile price — the cheaper end of what travelers were quoted, rather than the rock-bottom minimum (which can be a fluke) or the average (which is pulled up by expensive last-minute fares). The buy-or-wait advice then applies a risk premium that grows as departure approaches, since seat availability shrinks and prices become less predictable; using that adjusted curve we flag windows where waiting is likely to save a meaningful amount (at least $20 or 5%) versus windows where booking now is the better call. Isolated single-day recommendations are filtered out, so the advice only reflects a window that holds for several days in a row.", "toolsUsed": ["booking_timing"]}, "q6": {"question": "Are overnight (red‑eye) flights available from Chicago to Reykjavík?", "answer": "Yes, red-eye flights are available from Chicago O'Hare (ORD) to Keflavík (KEF). United operates a daily departure at 9:15 PM, and Icelandair flies six nights a week (all except Thursday) at 10:25 PM. Both depart late evening and, on this roughly six-hour transatlantic route, arrive in the early hours of the next morning.", "methodology": "Red-eye flights are identified from scheduled local departure and arrival times in our flight-schedule database — built from published airline timetables and official schedule data, including U.S. Department of Transportation records for domestic routes — flagging services that depart late at night and arrive the following morning; for connecting itineraries the red-eye is based on the timing of the overnight long-haul leg.", "toolsUsed": ["redeye_flights"]}, "q7": {"question": "Which airlines usually operate this route from Chicago to Reykjavík?", "answer": "Icelandair and United fly nonstop from Chicago to Reykjavík, with Icelandair operating 25 weekly flights from O'Hare and United offering daily service. Both carriers serve the route daily, with departures spread across the afternoon and evening. Per-carrier fare data isn't available for this route, but both airlines provide reliable nonstop access to Iceland's capital.", "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.", "toolsUsed": ["route_airlines"]}, "q8": {"question": "If I need a connection, what are common layover cities between Chicago and Reykjavík?", "answer": "Common layovers between Chicago and Reykjavík include Boston, New York, and Minneapolis, which keep total travel time competitive. Boston and New York offer frequent connections and efficient transfers, while Minneapolis provides a central hub with streamlined domestic-to-international transitions. All three are U.S. cities, so no visa is needed for transit."}, "q10": {"question": "Which months have the best weather for traveling to Reykjavík?", "answer": "June through August offer the mildest weather and long daylight hours, though it's peak tourist season. For fewer crowds, late May and early September still have decent conditions."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Chicago to Reykjavík?", "answer": "Bring a passport valid for at least three months beyond your stay, and check if you need a Schengen visa or ETIAS when launched; have proof of onward travel, payment for baggage, and any required vaccination certificates."}, "q12": {"question": "Which airport should I use in Reykjavík?", "answer": "Keflavík International Airport is the only airport serving Reykjavík for international flights, located about 50 km southwest of the city centre."}, "q13": {"question": "How do I get to Dupage County from the city center?", "answer": "From downtown Chicago to O'Hare International Airport, the CTA Blue Line 'L' train is the fastest and most popular option, offering a direct, economical ride from the Loop in about 40–45 minutes. Taxis and ride‑share services are convenient door‑to‑door but cost significantly more, while shared shuttle vans provide a middle ground. Driving yourself is possible with on‑site parking garages and economy lots, though rates vary by duration. Metra commuter rail also serves O'Hare via the North Central Service line, but it's less frequent and requires a shuttle bus from the station.", "toolsUsed": [], "references": [{"url": "https://flychicago.com/ohare/tofrom/pages/default.aspx", "title": "Getting To and From O'Hare International Airport | Chicago O’Hare International Airport (ORD)", "favicon": "https://flychicago.com/_catalogs/masterpage/favicon.ico"}, {"url": "https://www.flychicago.com/ohare/map", "title": "Map | Chicago O’Hare International Airport (ORD)", "time_published": "2026-05-27T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Transportation_in_Chicago", "title": "Transportation in Chicago", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-05-15T02:56:07Z"}, {"url": "https://en.wikipedia.org/wiki/Transportation%20in%20Chicago", "title": "Transportation in Chicago", "time_published": "2026-04-13T06:59:09Z"}, {"url": "https://faa.gov/regulations_policies/orders_notices/index.cfm/go/document.information/documentID/6111", "title": "Order  3330.39 - Chicago/o'hare Airport Traffic Control Tower (ATCT) Staffing PChicago/o'hare Airport Traffic Control Tower (ATCT) Staffing Plan (Cancelled)", "time_published": "2026-04-10T00:00:00Z"}]}, "q14": {"question": "Are there hotels or sleeping facilities at Reykjavík airport?", "answer": "Keflavík Airport (KEF) does not have on-site sleeping pods or capsule hotels, but the Aurora Hotel is located within a two-minute walk of the main terminal. Several other nearby hotels offer free shuttle service, providing convenient overnight options without needing to stay inside the airport itself.", "toolsUsed": [], "references": [{"url": "https://www.sleepinginairports.net/guides/reykjavik-keflavik-airport-guide.htm", "title": "Reykjavik Keflavik Airport Guide", "time_published": "2025-03-21T00:00:00Z"}, {"url": "http://www.sleepinginairports.net/europe/reykjavik.htm", "title": "Reykjavik Keflavik Airport Guide (KEF) - Sleeping in Airports", "time_published": "2026-01-12T19:26:45Z"}, {"url": "https://activities.marriott.com/europe/iceland/reykjavik/activities/private_transfer_from_keflavik_airport_skip_the_shuttle-X93S0L", "title": "Keflavik Airport (KEF) to Reykjavik: Private Arrival Transfer", "time_published": "2026-03-18T00:00:00Z"}, {"url": "https://activities.marriott.com/europe/iceland/reykjavik/activities/keflavik_airport_one_way_private_transfer_to_from_reykjavik-X2VQH1", "title": "Keflavik Airport One-Way Private Transfer To or From Reykjavik", "time_published": "2026-01-16T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Keflav%C3%ADk%20International%20Airport", "title": "Keflavík International Airport", "time_published": "2026-04-24T20:36:26Z"}, {"url": "http://www.icelandair.com/en-gb/support/airports/keflavik-kef/", "title": "Keflavík International Airport (KEF) Information | Icelandair GB", "time_published": "2026-02-03T00:00:00Z"}]}, "q15": {"question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Keflavik Intl Airport?", "answer": "Keflavík International Airport (KEF) offers currency exchange services and free Wi‑Fi throughout the terminal. There is no dedicated prayer room or chapel on site. Currency exchange is available in the arrival and departure halls, while complimentary Wi‑Fi can be accessed in all public areas.", "toolsUsed": [], "references": [{"url": "https://en.wikipedia.org/wiki/Keflavík", "title": "Keflavík", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-05-21T05:54:11Z"}, {"url": "https://en.wikipedia.org/wiki/Keflav%C3%ADk%20International%20Airport", "title": "Keflavík International Airport", "time_published": "2026-04-24T20:36:26Z"}, {"url": "https://en.wikipedia.org/wiki/File:BIKF_Layout.svg", "time_published": "2024-05-11T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Naval_Air_Station_Keflavik", "title": "Naval Air Station Keflavik", "time_published": "2026-04-28T22:52:27Z"}, {"url": "https://en.wikipedia.org/wiki/Keflavíkurvöllur", "title": "Keflavíkurvöllur", "time_published": "2025-12-28T21:19:42Z"}]}, "q17": {"question": "What aircraft are typically used on flights from Chicago to Reykjavík?", "answer": "The most common aircraft on the nonstop Chicago–Reykjavík route are the Boeing 757-200 (operated by United) and the Boeing 737 MAX 8 and 737 MAX 9 (both operated by Icelandair). The exact type can vary by day and airline, but these three models account for the majority of nonstop flights. On connecting itineraries, the long-haul leg is also typically a 737 MAX 8, 757-200, or occasionally a 767-300 or Airbus A330-300, depending on the connecting hub. Wi-Fi and seatback entertainment are widely available on these aircraft, though the specific offerings differ by carrier.", "methodology": "Aircraft types are taken from the equipment each operating carrier schedules on this route, drawn from published airline timetables and airline equipment schedules in our flight-schedule database. They describe typical scheduled aircraft and can vary with seasonal or day-of-week assignments and last-minute equipment swaps.", "toolsUsed": ["route_aircraft"]}, "q20": {"question": "What are the best airport lounge options when departing from Chicago?", "answer": "At Chicago O'Hare (ORD), international departures from Terminal 5 have several lounges: the Delta Sky Club near gate M13 (open 7 a.m.–midnight, accessible with Delta Sky Club membership or qualifying same-day international ticket, and day passes are not sold); the Air France Lounge at gate M17 for business-class, Flying Blue Elite Plus, and SkyTeam Elite Plus passengers on SkyTeam flights; and the Wingtips Lounge near M19 for many Star Alliance and other partner airline business-class passengers. The Swissport Lounge at gate M18 accepts Priority Pass and some airline premium passengers, though capacity can be tight between 3 p.m. and 8:30 p.m. United's Polaris Lounge in Terminal 1 (gate C18) is exclusively for international first and business class, offering a high-end sit-down dining experience, but it's in a different terminal from most Icelandair flights.", "toolsUsed": [], "references": [{"url": "https://www.flychicago.com/ohare/ServicesAmenities/services/Pages/lounges.aspx", "title": "Airline Lounges | Chicago O’Hare International Airport (ORD)", "time_published": "2026-05-29T00:00:00Z"}, {"url": "https://www.delta.com/us/en/airports/united-states/chicago-sky-club-airport-map", "title": "Chicago O'Hare (ORD) Airport Map & Lounges | Delta Air Lines", "time_published": "2022-11-18T00:00:00Z"}, {"url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/ohare-international/ord10-swissport-lounge", "title": "Swissport Lounge ORD AIRPORT Terminal 5 O'Hare International | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://americanexpress.com/en-ca/travel/lounges/the-platinum-card/ORD", "title": "American Express Lounges at O'Hare International Airport | Amex CA", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"}, {"url": "http://www.americanexpress.com/en-us/travel/lounges/the-platinum-card/ORD/Swissport-Lounge-Terminal-5-Concourse-M-5mTKilCqDl/", "title": "Swissport Lounge at O'Hare International Airport | Amex US", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"}]}, "q21": {"question": "What is the baggage allowance on this route from Chicago to Reykjavík?", "answer": "Baggage allowance depends on the airline and fare you choose. Basic economy tickets are typically restrictive and may not include a checked bag, whereas standard international economy fares usually include one checked bag and a carry‑on. Premium cabins offer more generous allowances, often with two checked bags."}, "q22": {"question": "What cabin and seat options are typical from Chicago to Reykjavík?", "answer": "On flights from Chicago to Reykjavík you typically find Economy and flat‑bed Business class. Premium Economy is not common on this route."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies vary by airline and fare; flexible and higher cabins often allow same‑day changes or standby, while basic economy typically does not."}}}}