Title: Cheap Flights from Rapid City (RAP) to Niagara Falls (IAG) - Expedia.ca ![Bridal Veil Falls which includes a city, landscape views and a waterfall](https://images.trvl-media.com/place/6066055/c442c496-ee29-41e5-9368-d8bd9109295b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6066055/c442c496-ee29-41e5-9368-d8bd9109295b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Rapid City (RAP) to Niagara Falls (IAG) ## Popular airlines from Rapid City Regional Airport (RAP) to Niagara Falls, NY (IAG-Niagara Falls Intl.) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:RAP,to:IAG,departure:27/03/2026TANYT&leg2=from:IAG,to:RAP,departure:03/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:RAP,to:IAG,departure:27/03/2026TANYT&leg2=from:IAG,to:RAP,departure:03/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:RAP,to:IAG,departure:27/03/2026TANYT&leg2=from:IAG,to:RAP,departure:03/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:RAP,to:IAG,departure:27/03/2026TANYT&leg2=from:IAG,to:RAP,departure:03/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:RAP,to:IAG,departure:27/03/2026TANYT&leg2=from:IAG,to:RAP,departure:03/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:RAP,to:IAG,departure:27/03/2026TANYT&leg2=from:IAG,to:RAP,departure:03/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:RAP,to:IAG,departure:27/03/2026TANYT&leg2=from:IAG,to:RAP,departure:03/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.ca/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### How much is a flight from Rapid City Regional Airport (RAP) to Niagara Falls Intl. Airport (IAG)? ### Do I need to pay a cancellation fee if I cancel my flight from Rapid City Regional Airport to Niagara Falls Intl. Airport? ### How do I find cheap flights from RAP to Niagara Falls Intl. Airport (IAG) that have flexible change policies? ### How far is the flight from Rapid City Regional Airport to Niagara Falls Intl. Airport? ### Which airlines fly direct from Rapid City Regional Airport (RAP) to IAG? ### Are Rapid City Regional Airport (RAP) to Niagara Falls Intl. Airport (IAG) flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Rapid City Regional | | ------------------- | ------------------- | | Destination airport | Niagara Falls Intl. | | Distance | 1927 km | ## Book with confidence # Rapid City to Niagara Falls Flights **The easy way to book your flights from Rapid City to Niagara Falls** With Expedia, it’s simple to find and book flights to Niagara Falls from Rapid City whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Niagara Falls Intl., too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Rapid City to Niagara Falls today, tomorrow, or this week. **Save dollars with cheap flights from Rapid City Regional, RAP to Niagara Falls Intl., IAG** Sort your search results by price to find great deals on your flight from Rapid City to Niagara Falls—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Niagara Falls from Rapid City currently is just rising to . Here are more money-saving tips: - Fly in when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Niagara Falls - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to Niagara Falls from Rapid City** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Niagara Falls with Expedia today. \*Available to Expedia members.