--- title: "Washington to Trondheim cheap flights from $343 (IAD to TRD) - Expedia" description: "Book cheap Flights from Washington (IAD) to Trondheim (TRD) start at $343 for one-way and $444 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/iad/trd/washington-to-trondheim" language: en-US market: US currency: USD prices_as_of: 2026-11-12T21:50:05Z --- # $343 Cheap Flights from Washington (IAD) 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 $343 flight on Wed, Feb 24, 2027](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:2/24/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:342.20&airProductToken=AQqHAQpBCMSYARIEOTQ0NxiIGCCAkwEos5GmAzDrlKYDOEVAAFgBaglNQUlOQkFTSUNyCFZMWDkxTkJMegkIy5gBEgM2NTIKQgjEmAESBDk2NjAYgJMBILMcKIWYpgMwh5mmAzhFQAFYAWoJTUFJTkJBU0lDcghWTFg5MU5CTHoKCMuYARIEMTE1MxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ## Popular airlines from Washington Dulles Intl. Airport (IAD) to Vaernes Airport (TRD) [Lufthansa](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:11/26/2026TANYT&leg2=from:TRD,to:IAD,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) [SAS](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:11/26/2026TANYT&leg2=from:TRD,to:IAD,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SK"}}]) [Delta](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:11/26/2026TANYT&leg2=from:TRD,to:IAD,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [KLM](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:11/26/2026TANYT&leg2=from:TRD,to:IAD,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) [TAP Portugal](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:11/26/2026TANYT&leg2=from:TRD,to:IAD,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TP"}}]) [Air France](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:11/26/2026TANYT&leg2=from:TRD,to:IAD,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}]) [Finnair](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:11/26/2026TANYT&leg2=from:TRD,to:IAD,departure:12/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Washington to Trondheim (IAD-TRD) Prices were available within the past 7 days and start at $343 for one-way flights and $444 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select SAS flight, departing Mon, Feb 1 from Washington to Trondheim, returning Wed, Mar 3, priced at $444 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:2/1/2027TANYT&leg2=from:TRD,to:IAD,departure:3/3/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:443.19&airProductToken=AQpnCjEI05YBEgM5MjYYiBgg4jso2o-kAzC%5Fk6QDOFRAAFgBagZOVVNHSFRyCFRMWFU2R0hUCjII05YBEgQyODg0GOI7ILMcKKiZpAMwjJqkAzhUQAFYAWoGTlVTR0hUcghUTFhVNkdIVApnCjII05YBEgQyODgzGLMcIOI7KI%5FepgMw7t6mAzhUQABYAWoGTlVTR0hUcghUTFhVNkdIVAoxCNOWARIDOTI1GOI7IIgYKMfmpgMw9-qmAzhUQAFYAWoGTlVTR0hUcghUTFhVNkdIVBIKCAEQARgBKgJTSxgBIgQIARABKAIoAygEMA8) Mon, Feb 1 - Wed, Mar 3 · IAD · TRD · Roundtrip [Select SAS flight, departing Mon, Feb 1 from Washington to Trondheim, returning Wed, Mar 3, priced at $448 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:2/1/2027TANYT&leg2=from:TRD,to:IAD,departure:3/3/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:447.19&airProductToken=AQpnCjEI05YBEgM5MjYYiBgg4jso2o-kAzC%5Fk6QDOFRAAFgBagZOVVNHSFRyCFRMWFU2R0hUCjII05YBEgQyODgwGOI7ILMcKMaUpAMwqpWkAzhUQAFYAWoGTlVTR0hUcghUTFhVNkdIVAqaAQoxCNOWARIDMzQzGLMcIM5cKLXYpgMw-9imAzhUQABYAWoGTlVTR0hUcghUTFhVNkdIVAoyCNOWARIEMTQ1NRjOXCDiOyi82aYDMIfapgM4VEABWAFqBk5VU0dIVHIIVExYVTZHSFQKMQjTlgESAzkyNRjiOyCIGCin26YDMNffpgM4VEABWAFqBk5VU0dIVHIIVExYVTZHSFQSCggBEAEYASoCU0sYASIECAEQASgCKAMoBDAP) Mon, Feb 1 - Wed, Mar 3 · IAD · TRD · Roundtrip [Select SAS flight, departing Mon, Feb 1 from Washington to Trondheim, returning Wed, Mar 3, priced at $450 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:2/1/2027TANYT&leg2=from:TRD,to:IAD,departure:3/3/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:449.09&airProductToken=AQqaAQoxCNOWARIDOTI2GIgYIOI7KNqPpAMwv5OkAzhUQABYAWoGTlVTR0hUcghUTFhVNkdIVAoyCNOWARIEMTQ1NhjiOyDOXCjVlKQDMKCVpAM4VEABWAFqBk5VU0dIVHIIVExYVTZHSFQKMQjTlgESAzM2NBjOXCCzHCjAlqQDMPyWpAM4VEABWAFqBk5VU0dIVHIIVExYVTZHSFQKZwoyCNOWARIEMjg4NRizHCDiOyiu16YDMJfYpgM4VEAAWAFqBk5VU0dIVHIIVExYVTZHSFQKMQjTlgESAzkyNRjiOyCIGCin26YDMNffpgM4VEABWAFqBk5VU0dIVHIIVExYVTZHSFQSCggBEAEYASoCU0sYASIECAEQASgCKAMoBDAP) Mon, Feb 1 - Wed, Mar 3 · IAD · TRD · Roundtrip [Select SAS flight, departing Mon, Feb 1 from Washington to Trondheim, returning Wed, Mar 3, priced at $454 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:2/1/2027TANYT&leg2=from:TRD,to:IAD,departure:3/3/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:453.09&airProductToken=AQqaAQoxCNOWARIDOTI2GIgYIOI7KNqPpAMwv5OkAzhUQABYAWoGTlVTR0hUcghUTFhVNkdIVAoyCNOWARIEMTQ1OBjiOyDOXCiPlKQDMNqUpAM4VEABWAFqBk5VU0dIVHIIVExYVTZHSFQKMQjTlgESAzM2NBjOXCCzHCjAlqQDMPyWpAM4VEABWAFqBk5VU0dIVHIIVExYVTZHSFQKmQEKMQjTlgESAzM0MRizHCDOXCiX2KYDMN3YpgM4VEAAWAFqBk5VU0dIVHIIVExYVTZHSFQKMQjTlgESAzQ1NRjOXCDiOyiA2aYDMMvZpgM4VEABWAFqBk5VU0dIVHIIVExYVTZHSFQKMQjTlgESAzkyNRjiOyCIGCin26YDMNffpgM4VEABWAFqBk5VU0dIVHIIVExYVTZHSFQSCggBEAEYASoCU0sYASIECAEQASgCKAMoBDAP) Mon, Feb 1 - Wed, Mar 3 · IAD · TRD · Roundtrip [Select SAS flight, departing Wed, Feb 24 from Washington to Trondheim, returning Wed, Mar 3, priced at $508 Found 19 hours ago](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:2/24/2027TANYT&leg2=from:TRD,to:IAD,departure:3/3/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:507.09&airProductToken=AQpnCjEI05YBEgM5MjYYiBgg4jsoupKmAzCflqYDOExAAFgBagZOVVNHSFRyCExMWFU2R0hUCjII05YBEgQyODgwGOI7ILMcKKaXpgMwipimAzhMQAFYAWoGTlVTR0hUcghMTFhVNkdIVApnCjII05YBEgQyODg5GLMcIOI7KMvZpgMwqtqmAzhUQABYAWoGTlVTR0hUcghUTFhVNkdIVAoxCNOWARIDOTI1GOI7IIgYKKfbpgMw19-mAzhUQAFYAWoGTlVTR0hUcghUTFhVNkdIVBIKCAEQARgBKgJTSxgBIgQIARABKAIoAygEMA8) Wed, Feb 24 - Wed, Mar 3 · IAD · TRD · Roundtrip [Select SAS flight, departing Mon, Feb 1 from Washington to Trondheim, returning Wed, Mar 3, priced at $509 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:2/1/2027TANYT&leg2=from:TRD,to:IAD,departure:3/3/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:508.19&airProductToken=AQpnCjEI05YBEgM5MjYYiBgg4jso2o-kAzC%5Fk6QDOExAAFgBagZOVVNHSFRyCExMWFU2R0hUCjII05YBEgQyODg2GOI7ILMcKOiWpAMwzJekAzhMQAFYAWoGTlVTR0hUcghMTFhVNkdIVApnCjII05YBEgQyODg5GLMcIOI7KMvZpgMwqtqmAzhUQABYAWoGTlVTR0hUcghUTFhVNkdIVAoxCNOWARIDOTI1GOI7IIgYKKfbpgMw19-mAzhUQAFYAWoGTlVTR0hUcghUTFhVNkdIVBIKCAEQARgBKgJTSxgBIgQIARABKAIoAygEMA8) Mon, Feb 1 - Wed, Mar 3 · IAD · TRD · Roundtrip [Select Delta flight, departing Wed, Feb 24 from Washington to Trondheim, returning Wed, Mar 3, priced at $753 Found 19 hours ago](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:2/24/2027TANYT&leg2=from:TRD,to:IAD,departure:3/3/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:752.89&airProductToken=AQqHAQpBCMSYARIEOTQ0NxiIGCCAkwEos5GmAzDrlKYDOEVAAFgBaglNQUlOQkFTSUNyCFZMWDAwU0JBegkIy5gBEgM2NTIKQgjEmAESBDk2NjAYgJMBILMcKIWYpgMwh5mmAzhFQAFYAWoJTUFJTkJBU0lDcghWTFgwMFNCQXoKCMuYARIEMTE1MwqHAQpCCMSYARIEOTI3MxizHCCAkwEo4NemAzDn2KYDOEVAAFgBaglNQUlOQkFTSUNyCFZMWDAwU0JBegoIy5gBEgQxMTUwCkEIxJgBEgQ5Mzg0GICTASCIGCiE26YDMIffpgM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYMDBTQkF6CQjLmAESAzY1MRIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) Wed, Feb 24 - Wed, Mar 3 · IAD · TRD · Roundtrip [Select KLM flight, departing Wed, Feb 24 from Washington to Trondheim, returning Wed, Mar 3, priced at $809 Found 19 hours ago](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:2/24/2027TANYT&leg2=from:TRD,to:IAD,departure:3/3/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:808.89&airProductToken=AQpnCjEIy5gBEgM2NTIYiBgggJMBKLORpgMw65SmAzhWQABYAWoFTElHSFRyCFZMWDAwU0JBCjIIy5gBEgQxMTU1GICTASCzHCiQm6YDMJKcpgM4TEABWAFqBUxJR0hUcghWTFgwMFNCQQpnCjIIy5gBEgQxMTU0GLMcIICTASjq3KYDMPvdpgM4TEAAWAFqBUxJR0hUcghWTFgwMFNCQQoxCMuYARIDNjUxGICTASCIGCif5qYDMKfqpgM4VkABWAFqBUxJR0hUcghWTFgwMFNCQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) Wed, Feb 24 - Wed, Mar 3 · IAD · TRD · Roundtrip [Select Lufthansa flight, departing Tue, Feb 23 from Washington to Trondheim, returning Tue, Mar 2, priced at $1,054 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:2/23/2027TANYT&leg2=from:TRD,to:IAD,departure:3/2/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1053.99&airProductToken=AQq1AQo-CMyQARIEOTQxMRiIGCClBCjmhaYDMMGJpgM4TEAAWAFqB0VDT0NNRlRyCExMSTkwVE5WegkI1YIBEgM5ODkKMgjMkAESAzg3MhilBCDBcSjmiqYDMN6LpgM4TEABWAFqB0VDT0NNRlRyCExMSTkwVE5WCj8IzJABEgQ5MTMwGMFxILMcKL2MpgMw%5FoymAzhMQAFYAWoHRUNPQ01GVHIITExJOTBUTlZ6CgjXjAESBDEzMTEKtQEKPwjMkAESBDkxMzEYsxwgwXEo6s2mAzCwzqYDOExAAFgBagdFQ09DTUZUcghMTEk5MFROVnoKCNeMARIEMTMwMgoyCMyQARIDODczGMFxIKUEKMvPpgMwyNCmAzhMQAFYAWoHRUNPQ01GVHIITExJOTBUTlYKPgjMkAESBDkyNTIYpQQgiBgowNGmAzDh1aYDOExAAVgBagdFQ09DTUZUcghMTEk5MFROVnoJCNWCARIDOTMzEgoIARABGAEqAkxIGAEiBAgBEAEoAigDKAQwCw) Tue, Feb 23 - Tue, Mar 2 · IAD · TRD · Roundtrip [Select Finnair flight, departing Thu, Sep 16 from Washington to Trondheim, returning Wed, Sep 22, priced at $1,104 Found 22 hours ago](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:9/16/2027TANYT&leg2=from:TRD,to:IAD,departure:9/22/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1103.29&airProductToken=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) Thu, Sep 16 - Wed, Sep 22 · IAD · TRD · Roundtrip ## Alternative airports near Trondheim Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Vaernes TRD. Cheapest and Closest option available. Average driving time to city center is 29 minutes. Flights from $1,289](https://www.expedia.com/Flights-Search?leg1=from:IAD,to:TRD,departure:11/26/2026TANYT&leg2=from:TRD,to:IAD,departure:11/30/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 29 min ## Book with confidence ### Washington to Trondheim Flights #### The cheapest times to fly from Washington 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 Washington to Trondheim are during the month of February. You can find some of the cheapest flights from Washington to Trondheim with Expedia's search tool and vast selection of airlines. #### The best time to book a flight from Washington to Trondheim Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Trondheim in 2026\. You can also book with separate airlines for your outbound and return journeys, from $343 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 Washington 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 Washington 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 Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes) cost? You can find cheap one-way flights from $343 and cheap return flights $444 Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes) with Expedia. Roundtrip flights usually range from $556 to $6672\. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes) ticket fares go up or down. *\*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.* ### What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes)? The cheapest month to fly from IAD to TRD is February 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 Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes)? Enter IAD to TRD and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes)? Virgin Atlantic is one of the cheapest airlines offering connecting flights from Washington Dulles Intl. (IAD) to Trondheim (TRD) with a layover in Heathrow starting from around $561\. 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 Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes)? To find a cheap flight from Washington, DC (IAD-Washington Dulles 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 Washington, DC (IAD-Washington Dulles 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 Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes)? The earliest flight from Washington, DC (Washington Dulles Intl.) to Trondheim (Vaernes) usually departs at 6:00 AM. Operated by Delta and KLM, this seasonal service is ideal for travelers wanting to maximize their time in Norway. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search. ### What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes)? The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes) are from 6pm to 9pm. About 44% of passengers prefer this time window. Many major carriers, including Lufthansa and United Airlines, offer flights during this window. This timing works well because it allows you to enjoy your day in DC before heading to the airport. ### How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes)? Flying from IAD to TRD with a connection usually takes about 12 hours, traveling roughly 3,806 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 Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes)? Business class is available on flights from IAD to TRD. Airlines that offer business class service on this route include: - Lufthansa - United Airlines - Icelandair - KLM - TAP Portugal - SAS - Austrian Airlines - Turkish Airlines - Air France - Virgin Atlantic First class is available with Lufthansa. ### How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes) flight with Expedia? It's easy to earn miles on a Washington, DC (IAD-Washington Dulles 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. ### What airports do you fly into for Trondheim from Washington Dulles Intl. (IAD)? If you're planning to travel to Trondheim from Washington Dulles Intl. (IAD), you can fly into Vaernes (TRD) Some flights may connect through major hubs like Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), Heathrow (LHR) before reaching Trondheim. Compare routes and airports on Expedia to find the best flight options for your travel plans. ### Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes) at the last minute? Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles 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 Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes) flight and hotel package? Securing a Washington, DC (IAD-Washington Dulles 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 Washington, DC (IAD-Washington Dulles Intl.) to Trondheim (TRD-Vaernes)? If you booked your Washington, DC (IAD-Washington Dulles 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 | Washington Dulles Intl. Airport | | ------------------- | ------------------------------------------------------------- | | Destination airport | Vaernes Airport | | Distance | 3,806 miles away | | Airlines serving | Lufthansa, SAS, Delta, KLM, TAP Portugal, Air France, Finnair | | Popular airline | Lufthansa | | Roundtrip price | $444 | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Leknes (LKN) to Trondheim (TRD)](https://www.expedia.com/lp/flights/lkn/trd/leknes-to-trondheim) - [Flights from Fort Lauderdale (FLL) to Trondheim (TRD)](https://www.expedia.com/lp/flights/fll/trd/fort-lauderdale-to-trondheim) - [Flights from Miami (MIA) to Trondheim (TRD)](https://www.expedia.com/lp/flights/mia/trd/miami-to-trondheim) - [Flights from Frankfurt (FRA) to Trondheim (TRD)](https://www.expedia.com/lp/flights/fra/trd/frankfurt-to-trondheim) - [Flights from London (LHR) to Trondheim (TRD)](https://www.expedia.com/lp/flights/lhr/trd/london-to-trondheim) - [Flights from Cebu (CEB) to Trondheim (TRD)](https://www.expedia.com/lp/flights/ceb/trd/cebu-to-trondheim) - [Flights from Kansas City (MCI) to Trondheim (TRD)](https://www.expedia.com/lp/flights/mci/trd/kansas-city-to-trondheim) - [Flights from Entebbe (EBB) to Trondheim (TRD)](https://www.expedia.com/lp/flights/ebb/trd/entebbe-to-trondheim) - [Flights from Melbourne (MEL) to Trondheim (TRD)](https://www.expedia.com/lp/flights/mel/trd/melbourne-to-trondheim) - [Flights from San Francisco (SFO) to Trondheim (TRD)](https://www.expedia.com/lp/flights/sfo/trd/san-francisco-to-trondheim) - [Flights from New York (JFK) to Trondheim (TRD)](https://www.expedia.com/lp/flights/jfk/trd/new-york-to-trondheim) - [Flights from Newark Liberty Intl. 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[Flights from Philadelphia (PHL) to Trondheim (TRD)](https://www.expedia.com/lp/flights/phl/trd/philadelphia-to-trondheim) - [Flights from Jacksonville (OAJ) to Trondheim (TRD)](https://www.expedia.com/lp/flights/oaj/trd/jacksonville-to-trondheim) - [Flights from Portland (PDX) to Trondheim (TRD)](https://www.expedia.com/lp/flights/pdx/trd/portland-to-trondheim) - [Flights from Manchester (MAN) to Trondheim (TRD)](https://www.expedia.com/lp/flights/man/trd/manchester-to-trondheim) - [Flights from Istanbul (IST) to Trondheim (TRD)](https://www.expedia.com/lp/flights/ist/trd/istanbul-to-trondheim) - [Flights from Bodo (BOO) to Trondheim (TRD)](https://www.expedia.com/lp/flights/boo/trd/bodo-to-trondheim) - [Flights from Charlotte (CLT) to Trondheim (TRD)](https://www.expedia.com/lp/flights/clt/trd/charlotte-to-trondheim) - [Flights from Baltimore (BWI) to Trondheim (TRD)](https://www.expedia.com/lp/flights/bwi/trd/baltimore-to-trondheim) \*Available to One Key members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/iad/trd/washington-to-trondheim en-GB: https://www.expedia.co.uk/lp/flights/iad/trd/washington-to-trondheim ar: https://www.expedia.sa/lp/flights/iad/trd/washington-to-trondheim en-US: https://www.expedia.com/lp/flights/iad/trd/washington-to-trondheim nb-NO: https://www.expedia.no/lp/fly/iad/trd/washington-til-trondheim ```