Title: Cheap Flights from Toronto (YYZ) to Gaithersburg (GAI) - Expedia.ca ![Gaithersburg](https://images.trvl-media.com/place/7427/9ef0fec9-4e58-4b4d-a5f8-843b595462c5.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/7427/9ef0fec9-4e58-4b4d-a5f8-843b595462c5.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Toronto (YYZ) to Gaithersburg (GAI) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Toronto Pearson Intl. Airport (YYZ) to Gaithersburg, MD (GAI-Montgomery County Airpark) - ![Air Canada](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:yyz,to:gai,departure:05/10/2025TANYT&leg2=from:gai,to:yyz,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](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:yyz,to:gai,departure:05/10/2025TANYT&leg2=from:gai,to:yyz,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:yyz,to:gai,departure:05/10/2025TANYT&leg2=from:gai,to:yyz,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](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:yyz,to:gai,departure:05/10/2025TANYT&leg2=from:gai,to:yyz,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](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:yyz,to:gai,departure:05/10/2025TANYT&leg2=from:gai,to:yyz,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](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:yyz,to:gai,departure:05/10/2025TANYT&leg2=from:gai,to:yyz,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](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:yyz,to:gai,departure:05/10/2025TANYT&leg2=from:gai,to:yyz,departure:12/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ## Plan, book, fly with confidence - ### 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 rewards [Sign in](https://www.expedia.ca/login) Flight from Toronto to Gaithersburg (YYZ - GAI) route information | Origin airport | Pearson Intl. | | --- | --- | | Destination airport | Montgomery County Airpark | | Distance | 538 km | ## Toronto to Gaithersburg Flights **The easy way to book your flights from Toronto to Gaithersburg**  With Expedia, it’s simple to find and book flights to Gaithersburg from Toronto 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 Montgomery County Airpark, 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 Toronto to Gaithersburg today, tomorrow, or this week.   **Save dollars with cheap flights from Pearson Intl., YYZ to Montgomery County Airpark, GAI**  Sort your search results by price to find great deals on your flight from Toronto to Gaithersburg—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Gaithersburg from Toronto 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 Gaithersburg   - 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 Gaithersburg from Toronto**  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 Gaithersburg with Expedia today. ## Frequently asked questions ### How much is a flight from YYZ to GAI? > Round-trip tickets from Toronton Pearson to GAI start from . This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Toronto Pearson Airport to GAI? > Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Toronton Pearson to GAI that have flexible change policies? > Many carriers offer the option to reschedule your flight at no extra charge. All you pay is any additional cost for the new flight. When looking for YYZ to GAI flights, you'll see a "No change fees" filter for you to select. ### How far is the flight from YYZ to GAI? > It's just 540 kilometres between Mississauga and Gaithersburg. Chances are you'll spend more time getting to and from the airport than actually flying! ### Which airlines fly direct from Pearson Intl. Airport (YYZ) to GAI? > Right now, no airlines offer flights directly from Toronto Pearson Airport to GAI. You'll need to book a flight with one or more stops. To get the best price and connections, lock in your airfare well in advance. ### Are Toronto Pearson Airport to GAI flight tickets cheaper when they're purchased at the last minute? > Flight prices fluctuate, so not always. While last-minute flight deals between Toronton Pearson and GAI are possible, it also makes sense to monitor prices well before you fly. In fact, some air carriers advertise their prices up to a year before the departure date. 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