If you're already itching to solidify your travel plans for summer 2024, you'll be pleased to hear that a Canadian airline is now offering ultra-cheap flights to two new U.S. destinations. 

On Wednesday, ultra-low-cost carrier, Lynx Air, announced that it is expanding its summer network, with new service to Boston Logan International Airport and San Francisco International Airport from Toronto Pearson.

If you're going to San Francisco, be sure to book with Lynx and save on your base fare. 🎶✈️🐾 Introducing SAN FRANCISCO to our network! Connecting Toronto to the Golden Gate City, flights take off May 2024 - book now at https://t.co/J8pKMZUuXu. #FlyLynx pic.twitter.com/gajx0JSOu2

— Lynx Air (@Lynx_Air) December 20, 2023

The airline is set to add Boston as a new U.S. destination starting on March 28, 2024, followed shortly after by San Francisco on May 3, 2024. 

Tickets for the new destinations are already on sale, with low-cost tickets starting from $129 one way to/from Boston (including tax and fees), and from $159 one way to/from San Francisco. 

Another one ☝🏼 Announcing BOSTON! Always a wicked good time with history, sports, and charm, Boston never gets old! Flights take off March 2024 from Toronto. Book now at https://t.co/J8pKMZUuXu. 🐾 #FlyLynx pic.twitter.com/8ca3UxJXjE

— Lynx Air (@Lynx_Air) December 20, 2023

To celebrate the launch of its new destinations, the Calgary-based carrier has also launched a limited-time seat sale, offering up to 25 per cent off all transborder routes.

The sale applies to trips between Jan. 15, 2024, to June 30, 2024, and offers 25 per cent off base fares for routes to and from the U.S., including cities like Fort Meyers, Los Angeles, Orlando, Phoenix, and Tampa, as well as its two new U.S. destinations.

If you're looking to secure your budget-friendly seats ahead of the summer rush, you have until 11:59 PM MT on Dec. 21, 2023, to use the promo code LYNXUSA at checkout.