Cheap flights from Montreal to San Diego, CA

Flights starting at $229. Choose between United Airlines, Delta Air Lines, or Air Canada to find the best price.

Make your travel wishlist, we'll do the rest
Hidden deals

Kiwi-Code uncovers prices airlines don't want you to see.

Effortless booking

Use our flexible filters to tailor your search.

Travel hacking

Look out for the travel hack star icon for even cheaper fares.

Tips to know when travelling to San Diego

Round trips

Updated:

One-way trips

Travel hack
Montreal YULToronto YYZLas Vegas LASSan Diego SAN

Multiple carriers

$242

Updated:

Mailbox
Receive exclusive deals by email

By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.

Travelers usually depart from Montréal–Pierre Elliott Trudeau International, Montreal Gare Centrale, Montreal-Dorval Train station, Montreal Bus Station, or Montreal Saint-Hubert Longueuil when they travel from Montreal to San Diego. Book your trip to arrive at San Diego International, San Diego, CA Bus Station, San Diego, CA - Old Town, McClellan–Palomar, or San Diego, CA - La Jolla. The most popular airlines for this route are United Airlines, Delta Air Lines, Air Canada, American Airlines, and Frontier Airlines. Montreal and San Diego have 401 direct flights per week.

Check-in for a flight from Montreal to San Diego

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Air CanadaACAACYesNo
American AirlinesAALAAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight

United States COVID-19 travel restrictions

Your trip summary

Most travellers from Montréal, YUL can enter San Diego, SAN, but there are restrictions.

Departure

Visa requirements
  • Visa is not required
Forms and documents
  • Mandatory proof of COVID-19 vaccination for United States
  • Proof of negative pre-departure COVID-19 test results or recovery certificate may be required
  • Mandatory travel attestation form
  • Travel attestation form may be required for travellers with certain travel history

Return

Travel restrictions
  • Travel is allowed
  • Proof of negative pre-departure COVID-19 test results is not required
  • Quarantine is not required
Visa requirements
  • Visa is not required

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

What are the most popular routes to and from Montreal?
Travelers frequently search for route combinations, such as Montreal and New York, Orlando, Las Vegas, Denver, Chicago, Miami, Los Angeles, Atlanta, Mexico City, Bogotá, Dallas, Phoenix, Philadelphia, San Francisco, Cancún, Houston, San Juan, Washington, D.C., Dhaka, Fort Lauderdale.
What are the most popular routes to and from San Diego?
Travelers frequently search for route combinations, such as San Diego and Bogotá, Chicago, Dallas, Houston, Phoenix, Fort Lauderdale, Toronto, Vancouver, Calgary, Winnipeg, Edmonton, Ottawa, Kelowna, Quebec City, Victoria, Saskatoon.
Which airports are there in Montreal?
Montreal is mainly served by Montréal–Pierre Elliott Trudeau International. But there are other airports nearby, including Montreal Saint-Hubert Longueuil, Montréal–Mirabel International.
What airports are near Montreal?
The main airport in Montreal is Montréal–Pierre Elliott Trudeau International. It is also served by Plattsburgh International, Ottawa Macdonald–Cartier International, Québec City Jean Lesage International, Burlington International, Ogdensburg International, Massena International, Adirondack Regional, Lebanon Municipal, Mont Tremblant International, Morrisville–Stowe State.
What airports are near San Diego?
The main airport in San Diego is San Diego International. It is also served by Los Angeles International, Tijuana International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Mexicali International, Imperial County, Long Beach, Hawthorne Municipal.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Montreal and San Diego?
Yes, it's possible to combine different modes of transport between Montreal and San Diego thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Montreal and San Diego can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between Montreal and San Diego?
Currently, you can fly between Montreal and San Diego with United Airlines, Delta Air Lines, Air Canada, American Airlines, Frontier Airlines.
When's the best time to travel between Montreal and San Diego?
If you don’t have specific dates for your trip between Montreal and San Diego, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Montreal and San Diego?
How many airports are there near Montreal?
How many airports are there near San Diego?
What time do nonstop (direct) flights between Montreal and San Diego depart?
What time do nonstop (direct) flights between Montreal and San Diego arrive?
What time do flights between Montreal and San Diego depart?
What time do flights between Montreal and San Diego arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

Search flightsSearch direct flights

Airports near Montreal

Airports near San Diego

  • Los Angeles International
  • San Diego International
  • Tijuana International
  • John Wayne
  • Ontario International
  • Hollywood Burbank
  • Palm Springs International
  • Mexicali International
  • Imperial County
  • San Bernardino International Airport
Find the best connection from Montreal to San Diego

Search, compare, and book flights, trains, or buses to get there.

Search flights, trains & buses

Kiwi.com: the best free travel app for Android and iPhone

Find out more about the Kiwi.com app on kiwi.com/mobile . With our app you can search for the best plane, train and bus connections. The Kiwi.com mobile app offers cheap flights, access to hidden features, travel hacks and special offers.

Search cheap flights

Simplified planning and booking

Travel deals built for you

Kiwi.com travel hacks


We hack the system,
you fly for less