--- title: "Ottawa to Trondheim cheap flights from $954 (YOW to TRD) - Expedia" description: "Cheap Flights from Ottawa (YOW) to Trondheim (TRD) start at $954 for one-way and $1,005 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/yow/trd/ottawa-to-trondheim" language: en-US market: US currency: USD prices_as_of: 2026-11-13T10:06:38Z --- # $954 Cheap Flights from Ottawa (YOW) to Trondheim (TRD) ![A historic stone castle on a small island surrounded by a calm lake, with snow-capped mountains in the background.](https://images.trvl-media.com/place/4477524/f80d2175-86da-4bd1-bd93-f2aa53a40dfd.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View $954 flight on Thu, Apr 15, 2027](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:4/15/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:953.06&airProductToken=AQqgAQo0CMGGARIDNDY3GNizASCYzgEoucSqAzD%5FxKoDOFZAAFgBagdFQ09DTUZUcghWTE8wOElOQwozCMyQARIDNDk1GJjOASCMFSjUz6oDMKrTqgM4VkABWAFqB0VDT0NNRlRyCFZMTzA4SU5DCjMIzJABEgQyNDI2GIwVILMcKLPVqgMwztaqAzhWQAFYAWoHRUNPQ01GVHIIVkxPMDhJTkMSCggBEAEYASoCTEgYASIECAEQASgCKAMoBDAL) ## Popular airlines from Ottawa International Airport (YOW) to Vaernes Airport (TRD) [Lufthansa](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:11/27/2026TANYT&leg2=from:TRD,to:YOW,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) ## Cheap Flights from Ottawa to Trondheim (YOW-TRD) Prices were available within the past 7 days and start at $954 for one-way flights and $1,005 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select WestJet flight, departing Thu, Apr 15 from Ottawa to Trondheim, returning Sun, Apr 25, priced at $1,005 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:4/15/2027TANYT&leg2=from:TRD,to:YOW,departure:4/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1004.33&airProductToken=AQqjAQo1CNemARIDNTg5GNizASCYzgEour2qAzCPvqoDOFhAAFgBaghTVEFOREFSRHIIUktXQ0E2RVMKNAjTlgESAzk1MBiYzgEg4jsogMOqAzDWxqoDOFJAAVgBaghTVEFOREFSRHIIUktXQ0E2RVMKNAjTlgESBDI4ODQY4jsgsxwojM6qAzDrzqoDOFJAAVgBaghTVEFOREFSRHIIUktXQ0E2RVMKrwEKNAjTlgESBDI4ODEYsxwg4jso0a-rAzCwsKsDOExAAFgBaghTVEFOREFSRHIITEtYQ0E2RVMKNAjTlgESAzk0ORjiOyCYzgEo-bmrAzCBvqsDOExAAVgBaghTVEFOREFSRHIITEtYQ0E2RVMKQQjTlgESBDk1NzQYmM4BINizASjDwasDMITCqwM4TEABWAFqCFNUQU5EQVJEcghMS1hDQTZFU3oJCNemARIDODkyEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwAQ) Thu, Apr 15 - Sun, Apr 25 · YOW · TRD · Roundtrip [Select WestJet flight, departing Sun, Aug 15 from Ottawa to Trondheim, returning Wed, Aug 25, priced at $1,176 Found 22 hours ago](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:8/15/2027TANYT&leg2=from:TRD,to:YOW,departure:8/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1175.90&airProductToken=AQqjAQo1CNemARIDODkzGNizASCYzgEoz5q1AzCQm7UDOFhAAFgBaghTVEFOREFSRHIIUktYQ0E2RVMKNAjTlgESAzk1MBiYzgEg4jsowJ-1AzCWo7UDOFJAAVgBaghTVEFOREFSRHIIUktYQ0E2RVMKNAjTlgESBDI4ODIY4jsgsxwozaO1AzCspLUDOFJAAVgBaghTVEFOREFSRHIIUktYQ0E2RVMKuwEKQAjTlgESBDI4ODMYsxwg4jsoqY62AzCIj7YDOFdAAFgBaghTVEFOREFSRHIIV0tYQ0E2RVN6CgjXsAESBDI4ODMKNAjTlgESAzk0ORjiOyCYzgEouZa2AzDBmrYDOFdAAVgBaghTVEFOREFSRHIIV0tYQ0E2RVMKQQjTlgESBDk1NzQYmM4BINizASiDnrYDMMSetgM4V0ABWAFqCFNUQU5EQVJEcghXS1hDQTZFU3oJCNemARIDODkyEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwAQ) Sun, Aug 15 - Wed, Aug 25 · YOW · TRD · Roundtrip [Select WestJet flight, departing Thu, Apr 15 from Ottawa to Trondheim, returning Sun, Apr 25, priced at $1,274 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:4/15/2027TANYT&leg2=from:TRD,to:YOW,departure:4/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1273.70&airProductToken=AQqvAQo1CNemARIDNTg5GNizASCYzgEour2qAzCPvqoDOFhAAFgBaghTVEFOREFSRHIIUktXQ0E2RVMKNAjTlgESAzk1MBiYzgEg4jsogMOqAzDWxqoDOFJAAVgBaghTVEFOREFSRHIIUktXQ0E2RVMKQAjTlgESBDI4ODIY4jsgsxwojceqAzDsx6oDOFJAAVgBaghTVEFOREFSRHIIUktXQ0E2RVN6CgjXsAESBDI4ODIKuwEKQAjTlgESBDI4ODMYsxwg4jso6bGrAzDIsqsDOFZAAFgBaghTVEFOREFSRHIIVktYQ0E2RVN6CgjXsAESBDI4ODMKNAjTlgESAzk0ORjiOyCYzgEo-bmrAzCBvqsDOFZAAVgBaghTVEFOREFSRHIIVktYQ0E2RVMKQQjTlgESBDk1NzQYmM4BINizASjDwasDMITCqwM4VkABWAFqCFNUQU5EQVJEcghWS1hDQTZFU3oJCNemARIDODkyEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwAQ) Thu, Apr 15 - Sun, Apr 25 · YOW · TRD · Roundtrip [Select WestJet flight, departing Thu, Jul 15 from Ottawa to Trondheim, returning Sun, Jul 25, priced at $1,278 Found 22 hours ago](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:7/15/2027TANYT&leg2=from:TRD,to:YOW,departure:7/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1277.90&airProductToken=AQqjAQo1CNemARIDODkzGNizASCYzgEo772yAzCwvrIDOEtAAFgBaghTVEFOREFSRHIITkhXQ0E2RVMKNAjTlgESAzk1MBiYzgEg4jso4MKyAzC2xrIDOE5AAVgBaghTVEFOREFSRHIITkhXQ0E2RVMKNAjTlgESBDI4ODIY4jsgsxwo7cayAzDMx7IDOE5AAVgBaghTVEFOREFSRHIITkhXQ0E2RVMKrwEKNAjTlgESBDI4ODMYsxwg4jsoybGzAzCosrMDOFZAAFgBaghTVEFOREFSRHIIVkhYQ0E2RVMKNAjTlgESAzk0ORjiOyCYzgEo2bmzAzDhvbMDOFZAAVgBaghTVEFOREFSRHIIVkhYQ0E2RVMKQQjTlgESBDk1NzQYmM4BINizASijwbMDMOTBswM4VkABWAFqCFNUQU5EQVJEcghWSFhDQTZFU3oJCNemARIDODkyEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwAQ) Thu, Jul 15 - Sun, Jul 25 · YOW · TRD · Roundtrip [Select WestJet flight, departing Thu, Apr 15 from Ottawa to Trondheim, returning Sun, Apr 25, priced at $1,309 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:4/15/2027TANYT&leg2=from:TRD,to:YOW,departure:4/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1308.70&airProductToken=AQqjAQo1CNemARIDNTg5GNizASCYzgEour2qAzCPvqoDOFhAAFgBaghTVEFOREFSRHIIUktXQ0E2RVMKNAjTlgESAzk1MBiYzgEg4jsogMOqAzDWxqoDOFJAAVgBaghTVEFOREFSRHIIUktXQ0E2RVMKNAjTlgESBDI4ODQY4jsgsxwojM6qAzDrzqoDOFJAAVgBaghTVEFOREFSRHIIUktXQ0E2RVMKrwEKNAjTlgESBDI4ODUYsxwg4jsonKurAzCArKsDOFZAAFgBaghTVEFOREFSRHIIVktXQ0E2RVMKNAjTlgESAzk0ORjiOyCYzgEo2a6rAzDhsqsDOFZAAVgBaghTVEFOREFSRHIIVktXQ0E2RVMKQQjTlgESBDk1NzQYmM4BINizASijtqsDMOS2qwM4VkABWAFqCFNUQU5EQVJEcghWS1dDQTZFU3oJCNemARIDODkyEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwAQ) Thu, Apr 15 - Sun, Apr 25 · YOW · TRD · Roundtrip [Select WestJet flight, departing Thu, Jul 15 from Ottawa to Trondheim, returning Sun, Jul 25, priced at $1,324 Found 22 hours ago](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:7/15/2027TANYT&leg2=from:TRD,to:YOW,departure:7/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1323.90&airProductToken=AQqjAQo1CNemARIDODkzGNizASCYzgEo772yAzCwvrIDOFRAAFgBaghTVEFOREFSRHIIS0hXQ0E2RVMKNAjTlgESAzk1MBiYzgEg4jso4MKyAzC2xrIDOEtAAVgBaghTVEFOREFSRHIIS0hXQ0E2RVMKNAjTlgESBDI4ODAY4jsgsxwoismyAzDpybIDOEtAAVgBaghTVEFOREFSRHIIS0hXQ0E2RVMKrwEKNAjTlgESBDI4ODMYsxwg4jsoybGzAzCosrMDOFZAAFgBaghTVEFOREFSRHIIVkhYQ0E2RVMKNAjTlgESAzk0ORjiOyCYzgEo2bmzAzDhvbMDOFZAAVgBaghTVEFOREFSRHIIVkhYQ0E2RVMKQQjTlgESBDk1NzQYmM4BINizASijwbMDMOTBswM4VkABWAFqCFNUQU5EQVJEcghWSFhDQTZFU3oJCNemARIDODkyEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwAQ) Thu, Jul 15 - Sun, Jul 25 · YOW · TRD · Roundtrip [Select WestJet flight, departing Thu, Apr 15 from Ottawa to Trondheim, returning Sun, Apr 25, priced at $1,380 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:4/15/2027TANYT&leg2=from:TRD,to:YOW,departure:4/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1379.70&airProductToken=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) Thu, Apr 15 - Sun, Apr 25 · YOW · TRD · Roundtrip [Select Lufthansa flight, departing Thu, Jul 15 from Ottawa to Trondheim, returning Sun, Jul 25, priced at $1,672 Found 22 hours ago](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:7/15/2027TANYT&leg2=from:TRD,to:YOW,departure:7/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1671.70&airProductToken=AQq3AQpACMyQARIEOTUxNxjYswEg64kBKL%5FDsgMwysayAzhUQABYAWoHRUNPQ01GVHIIVEhXNzhJTkN6CQjBhgESAzg4OAo%5FCMyQARIENDUyNRjriQEgpQQowseyAzChyLIDOFRAAVgBagdFQ09DTUZUcghUSFc3OElOQ3oJCNaYARIDOTI1CjIIzJABEgM4ODAYpQQgsxwo1cmyAzDmyrIDOFRAAVgBagdFQ09DTUZUcghUSFc3OElOQwqrAQoyCMyQARIDODgxGLMcIKUEKMewswMw3bGzAzhXQABYAWoHRUNPQ01GVHIIV0hYMzhJTkMKMwjMkAESAzkyMhilBCDriQEosrKzAzCWs7MDOFdAAVgBagdFQ09DTUZUcghXSFgzOElOQwpACMyQARIEOTUxNhjriQEg2LMBKL64swMwmbyzAzhXQAFYAWoHRUNPQ01GVHIIV0hYMzhJTkN6CQjBhgESAzg4ORIKCAEQARgBKgJMSBgBIgQIARABKAIoAygEMAs) Thu, Jul 15 - Sun, Jul 25 · YOW · TRD · Roundtrip [Select WestJet flight, departing Thu, Jul 15 from Ottawa to Trondheim, returning Sun, Jul 25, priced at $1,674 Found 22 hours ago](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:7/15/2027TANYT&leg2=from:TRD,to:YOW,departure:7/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1673.90&airProductToken=AQqjAQo1CNemARIDODkzGNizASCYzgEo772yAzCwvrIDOEtAAFgBaghTVEFOREFSRHIITkhXQ0E2RVMKNAjTlgESAzk1MBiYzgEg4jso4MKyAzC2xrIDOE5AAVgBaghTVEFOREFSRHIITkhXQ0E2RVMKNAjTlgESBDI4ODIY4jsgsxwo7cayAzDMx7IDOE5AAVgBaghTVEFOREFSRHIITkhXQ0E2RVMKrwEKNAjTlgESBDI4ODkYsxwg4jsoiq2zAzDprbMDOE1AAFgBaghTVEFOREFSRHIITUhXQ0E2RVMKNAjTlgESAzk0ORjiOyCYzgEoua6zAzDBsrMDOE1AAVgBaghTVEFOREFSRHIITUhXQ0E2RVMKQQjTlgESBDk1NzQYmM4BINizASiDtrMDMMS2swM4TUABWAFqCFNUQU5EQVJEcghNSFdDQTZFU3oJCNemARIDODkyEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwAQ) Thu, Jul 15 - Sun, Jul 25 · YOW · TRD · Roundtrip [Select Air Canada flight, departing Thu, Jul 15 from Ottawa to Trondheim, returning Sun, Jul 25, priced at $1,778 Found 22 hours ago](https://www.expedia.com/Flights-Search?leg1=from:YOW,to:TRD,departure:7/15/2027TANYT&leg2=from:TRD,to:YOW,departure:7/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1777.70&airProductToken=AQqiAQo1CMGGARIDODg4GNizASDriQEov8OyAzDKxrIDOFdAAFgBaghTVEFOREFSRHIIV0hXMzhJTkMKNAjMkAESAzkyMxjriQEgpQQohseyAzDlx7IDOFdAAVgBaghTVEFOREFSRHIIV0hXMzhJTkMKMwjMkAESAzg4MBilBCCzHCjVybIDMObKsgM4V0ABWAFqCFNUQU5EQVJEcghXSFczOElOQwqrAQoyCMyQARIDODgxGLMcIKUEKMewswMw3bGzAzhXQABYAWoHRUNPQ01GVHIIV0hYMzhJTkMKMwjMkAESAzkyMhilBCDriQEosrKzAzCWs7MDOFdAAVgBagdFQ09DTUZUcghXSFgzOElOQwpACMyQARIEOTUxNhjriQEg2LMBKL64swMwmbyzAzhXQAFYAWoHRUNPQ01GVHIIV0hYMzhJTkN6CQjBhgESAzg4ORIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) Thu, Jul 15 - Sun, Jul 25 · YOW · TRD · Roundtrip ## Book with confidence ### Ottawa to Trondheim Flights #### The cheapest times to fly from Ottawa to Trondheim On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ottawa to Trondheim are during the month of April. You can find some of the cheapest flights from Ottawa to Trondheim with Expedia's search tool and vast selection of airlines. #### The best time to book a flight from Ottawa to Trondheim Sunday is one of the best days to book for cheap flights from Ottawa to Trondheim: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. #### How to find cheap round-trip tickets from Ottawa to Trondheim Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ottawa to Trondheim in 2026\. You can also book with separate airlines for your outbound and return journeys, from $954 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ottawa to Trondheim flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Ottawa to Trondheim airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. *\*Terms apply.* *Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.* ## Frequently Asked Questions ### How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes) cost? You can find cheap one-way flights from $954 and cheap return flights $1,005 YOW to TRD with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when YOW to TRD ticket fares go up or down. ### What is the cheapest month to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes)? The cheapest month to fly from YOW to TRD is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route. ### Which airlines fly direct from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes)? Enter YOW to TRD and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### What is the cheapest airline that flies from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes)? Air Canada, KLM and Air France are just some of the carriers that fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. *\*Prices based on flights available on Expedia in the last year.* ### How do I find cheap flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes)? To find a cheap flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.com/why/price-tracking) and receive alerts when fares go up or down. ### What is the best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes)? The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience. ### What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes)? Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from YOW to TRD. To compare more early flights, use the "Early Morning" and "Morning" filters in your search. ### How long does it take to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes)? Flying from YOW to TRD with a connection usually takes about 17 hours 20 minutes, traveling roughly 3,392 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic. ### Can you fly business or first class from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes)? Select the "Business class" and "First class" filters when looking for YOW to TRD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip. ### How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes) flight with Expedia? It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.com/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### Is it cheaper to buy a plane ticket from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes) at the last minute? Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes) flight and hotel package? Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes)? If you booked your Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Trondheim (TRD-Vaernes) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.com/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.com/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Ottawa International Airport | | ------------------- | ---------------------------- | | Destination airport | Vaernes Airport | | Distance | 3,391 miles away | | Airlines serving | Lufthansa | | Popular airline | Lufthansa | | Roundtrip price | $1,005 | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Mexico City (MEX) to Trondheim (TRD)](https://www.expedia.com/lp/flights/mex/trd/mexico-city-to-trondheim) - [Flights from Philadelphia (PHL) to Trondheim (TRD)](https://www.expedia.com/lp/flights/phl/trd/philadelphia-to-trondheim) - [Flights from Aberdeen (ABZ) to Trondheim (TRD)](https://www.expedia.com/lp/flights/abz/trd/aberdeen-to-trondheim) - [Flights from Bodo (BOO) to Trondheim (TRD)](https://www.expedia.com/lp/flights/boo/trd/bodo-to-trondheim) - [Flights from San Francisco (SFO) to Trondheim (TRD)](https://www.expedia.com/lp/flights/sfo/trd/san-francisco-to-trondheim) - 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Airport (EWR) to Trondheim (TRD)](https://www.expedia.com/lp/flights/ewr/trd/newark-liberty-intl-airport-to-trondheim) - [Flights from Svolvaer (SVJ) to Trondheim (TRD)](https://www.expedia.com/lp/flights/svj/trd/svolvaer-to-trondheim) - [Flights from Portland (PDX) to Trondheim (TRD)](https://www.expedia.com/lp/flights/pdx/trd/portland-to-trondheim) - [Flights from Rome (FCO) to Trondheim (TRD)](https://www.expedia.com/lp/flights/fco/trd/rome-to-trondheim) - [Flights from Austin (AUS) to Trondheim (TRD)](https://www.expedia.com/lp/flights/aus/trd/austin-to-trondheim) - [Flights from Los Angeles (LAX) to Trondheim (TRD)](https://www.expedia.com/lp/flights/lax/trd/los-angeles-to-trondheim) - [Flights from Gdańsk (GDN) to Trondheim (TRD)](https://www.expedia.com/lp/flights/gdn/trd/gdansk-to-trondheim) - [Flights from Molde (MOL) to Trondheim (TRD)](https://www.expedia.com/lp/flights/mol/trd/molde-to-trondheim) - [Flights from Pittsburgh (PIT) to Trondheim (TRD)](https://www.expedia.com/lp/flights/pit/trd/pittsburgh-to-trondheim) - [Flights from Bergen (BGO) to Trondheim (TRD)](https://www.expedia.com/lp/flights/bgo/trd/bergen-to-trondheim) - [Flights from Kansas City (MCI) to Trondheim (TRD)](https://www.expedia.com/lp/flights/mci/trd/kansas-city-to-trondheim) - [Flights from Tromsø (TOS) to Trondheim (TRD)](https://www.expedia.com/lp/flights/tos/trd/troms-to-trondheim) - [Flights from Nashville (BNA) to Trondheim (TRD)](https://www.expedia.com/lp/flights/bna/trd/nashville-to-trondheim) - [Flights from Houston (IAH) to Trondheim (TRD)](https://www.expedia.com/lp/flights/iah/trd/houston-to-trondheim) - [Flights from Leknes (LKN) to Trondheim (TRD)](https://www.expedia.com/lp/flights/lkn/trd/leknes-to-trondheim) - [Flights from New York (JFK) to Trondheim (TRD)](https://www.expedia.com/lp/flights/jfk/trd/new-york-to-trondheim) - [Flights from Chicago (ORD) to Trondheim (TRD)](https://www.expedia.com/lp/flights/ord/trd/chicago-to-trondheim) - [Flights from Lisbon (LIS) to Trondheim (TRD)](https://www.expedia.com/lp/flights/lis/trd/lisbon-to-trondheim) - [Flights from Vienna (VIE) to Trondheim (TRD)](https://www.expedia.com/lp/flights/vie/trd/vienna-to-trondheim) - [Flights from Dallas (DFW) to Trondheim (TRD)](https://www.expedia.com/lp/flights/dfw/trd/dallas-to-trondheim) - [Flights from Nairobi (NBO) to Trondheim (TRD)](https://www.expedia.com/lp/flights/nbo/trd/nairobi-to-trondheim) - [Flights from Stockholm (ARN) to Trondheim (TRD)](https://www.expedia.com/lp/flights/arn/trd/stockholm-to-trondheim) - [Flights from Cleveland (CLE) to Trondheim (TRD)](https://www.expedia.com/lp/flights/cle/trd/cleveland-to-trondheim) - [Flights from Manila (MNL) to Trondheim (TRD)](https://www.expedia.com/lp/flights/mnl/trd/manila-to-trondheim) - [Flights from Berlin (BER) to Trondheim (TRD)](https://www.expedia.com/lp/flights/ber/trd/berlin-to-trondheim) - [Flights from Charlotte (CLT) to Trondheim (TRD)](https://www.expedia.com/lp/flights/clt/trd/charlotte-to-trondheim) - [Flights from Helsinki (HEL) to Trondheim (TRD)](https://www.expedia.com/lp/flights/hel/trd/helsinki-to-trondheim) - [Flights from Istanbul (IST) to Trondheim (TRD)](https://www.expedia.com/lp/flights/ist/trd/istanbul-to-trondheim) - [Flights from Amsterdam (AMS) to Trondheim (TRD)](https://www.expedia.com/lp/flights/ams/trd/amsterdam-to-trondheim) - [Flights from Bozeman (BZN) to Trondheim (TRD)](https://www.expedia.com/lp/flights/bzn/trd/bozeman-to-trondheim) - [Flights from Indianapolis (IND) to Trondheim (TRD)](https://www.expedia.com/lp/flights/ind/trd/indianapolis-to-trondheim) - [Flights from Entebbe (EBB) to Trondheim (TRD)](https://www.expedia.com/lp/flights/ebb/trd/entebbe-to-trondheim) - [Flights from Copenhagen (CPH) to Trondheim (TRD)](https://www.expedia.com/lp/flights/cph/trd/copenhagen-to-trondheim) - [Flights from Dublin (DUB) to Trondheim (TRD)](https://www.expedia.com/lp/flights/dub/trd/dublin-to-trondheim) \*Available to One Key members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/yow/trd/ottawa-to-trondheim en-US: https://www.expedia.com/lp/flights/yow/trd/ottawa-to-trondheim ar: https://www.expedia.sa/lp/flights/yow/trd/ottawa-to-trondheim nb-NO: https://www.expedia.no/lp/fly/yow/trd/ottawa-til-trondheim ```