FlightsFrom Montreal

To San Francisco

Cheap Flights from Montreal to San Francisco

Browse current best options from Montreal. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Montreal

RatePunk searches hundreds of travel sites at once for deals on flights to San Francisco

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Montreal to San Francisco

Explore current cheapest deals departing from Montreal to San Francisco

August 22 - August 26

Cheapest

YUL - San Francisco

$436

$351

Round trip

August 26 - August 31

Cheapest

YUL - San Francisco

$437

$351

Round trip

August 20 - August 27

Cheapest

YUL - San Francisco

$429

$351

Round trip

August 19 - August 24

YUL - San Francisco

$437

$352

Round trip

August 6 - August 12

YUL - San Francisco

$428

$356

Round trip

July 29 - August 9

Earliest

YUL - San Francisco

$435

$356

Round trip

August 6 - August 22

YUL - San Francisco

$393

$356

Round trip

July 29 - August 5

Earliest

YUL - San Francisco

$453

$356

Round trip

August 7 - August 11

YUL - San Francisco

$446

$357

Round trip

October 17 - October 25

Best

YUL - San Francisco

$509

$362

Round trip

Unlock all 500+ flight deals to San Francisco and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Montreal to San Francisco

A typical journey from Montreal to San Francisco takes about 11h 55m, including connections. Given that most itineraries for this route involve at least one stop, this median duration reflects the overall travel time you can expect. This is a long-haul route, covering a distance of 4077 km.
For travelers looking for cheap flights from Montreal to San Francisco, prices typically range from $291–$659, with a median of $392. Right now, fares are significantly above the typical level for this route. Only 3% of recent fares were classified as a good price, indicating that finding exceptional deals can be challenging.
When is the cheapest time to fly from Montreal to San Francisco? The data shows that April is often the most affordable month, with a median fare of $254. January also offers competitive pricing, with a median of $264, followed by May at a median of $302. Planning your trip during these months could lead to more favorable prices.
Most itineraries for flights from Montreal to San Francisco involve at least one connection. Only 21.5% of recent fares were for direct flights from Montreal to San Francisco. When a connection is necessary, the typical number of stopovers is 2, which contributes to the overall journey time. New deals for this route appear almost daily, suggesting frequent opportunities to find flights.

How much is a round trip from Montreal to San Francisco

Regular price: $366 - $547

Prices for flights from Montreal to San Francisco are currently below the regular range.

Regularly, flights from Montreal to San Francisco range from $366 to $547. The current lowest deal is $351 with WestJet, for travel from Aug 22 to Aug 26.

now $351

Low $366

High $547

The cheapest time to fly from Montreal to San Francisco

The cheapest month to fly from Montreal to San Francisco is April, with a median price of $254. The most expensive month is July, with a median price of $776. Prices are generally lower from January to October.

April

Cheapest

Flights from $254

July

Most Expensive

Flights from $776

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Direct flights from Montreal to San Francisco

Airline logo

Air Canada

Last-minute flights going from Montreal to San Francisco

Tue, Jul 21

⌛ Last-Minute

YUL - San Francisco

WestJet

Montreal (YUL) - San Francisco (SFO)

WestJet

$452

$366

One-way

Wed, Jul 22

⌛ Last-Minute

YUL - San Francisco

WestJet

Montreal (YUL) - San Francisco (SFO)

WestJet

$462

$366

One-way

Wed, Jul 29

⌛ Last-Minute

YUL - San Francisco

WestJet

Montreal (YUL) - San Francisco (SFO)

WestJet

$435

$356

One-way

Wed, Jul 29

⌛ Last-Minute

YUL - San Francisco

WestJet

Montreal (YUL) - San Francisco (SFO)

WestJet

$453

$356

One-way

Wed, Aug 5

⌛ Last-Minute

YUL - San Francisco

WestJet

Montreal (YUL) - San Francisco (SFO)

WestJet

$447

$377

One-way

Thu, Aug 6

⌛ Last-Minute

YUL - San Francisco

WestJet

Montreal (YUL) - San Francisco (SFO)

WestJet

$428

$356

One-way

Biggest price drops on these dates for flights from Montreal to San Francisco

7 nights

Dec 7 - Dec 14

$915  →  $389

58%

7 nights

Dec 1 - Dec 8

$916  →  $398

57%

7 nights

Dec 5 - Dec 12

$915  →  $398

57%

7 nights

Dec 6 - Dec 13

$915  →  $398

57%

Popular Airports to fly from Montreal to San Francisco

Montreal - San Francisco route insights

💸 Price insights

Recent fares are near the typical level

Recent fares for Montreal to San Francisco are near the typical level, with a median of $392.

📅 Best time to fly

April is historically the cheapest month to fly

Historically, April is the cheapest month to fly from Montreal to San Francisco, with a median price of $254.

⏱️ Flight duration

Flights typically take 11h 55m

Flights from Montreal to San Francisco typically take 11h 55m, covering a distance of 4077 km.

✈️ Airlines & availability

Connecting flights are dominant for this route

Connecting flights make up 78.5% of deals, with a median of 2 stopovers when connecting.

🏆 Airline highlight

Air Canada offers direct flights

Air Canada is an airline offering direct flights from Montreal to San Francisco.

🎯 Booking tip

Deals appear frequently for this route

Historically, deals for this route appear frequently, with more than 1 deal per day.

Montreal main airports to depart from

Montréal–Pierre Elliott Trudeau International (YUL)

Cheapest

Montréal–Pierre Elliott Trudeau International is a convenient option for flights from Montreal to San Francisco.

📍 ~15 km from city center (reachable by car or bus)

💸 Flights from ~$351

Montreal Saint-Hubert Longueuil (YHU)

Montreal Saint-Hubert Longueuil offers another departure choice for your trip to San Francisco.

📍 ~10 km from city center (reachable by car or bus)

💸 Flights from ~$389

San Francisco main airports to arrive at

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a primary gateway to San Francisco, offering convenient access to the city.

📍 ~20 km from San Francisco (reachable by car)

💸 Flights from ~$351

Airports nearby San Francisco used as alternative

Oakland International (OAK)

Oakland International is a useful alternative with high flight frequency and direct BART public transit access.

📍 ~18 km from San Francisco (reachable by public transit)

💸 Flights from ~$548

San Jose International (SJC)

Cheapest

San Jose International is a major international airport serving the South Bay tech corridor with diverse carrier options.

📍 ~70 km from San Francisco (reachable by car)

💸 Flights from ~$411

Sacramento International (SMF)

Sacramento International offers a robust domestic route network for travelers in the northern and eastern metro areas.

📍 ~120 km from San Francisco (reachable by car)

💸 Flights from ~$481

Charles M. Schulz–Sonoma County (STS)

Charles M. Schulz–Sonoma County is convenient for travelers in the North Bay and Wine Country.

📍 ~90 km from San Francisco (reachable by car)

💸 Flights from ~$517

Monterey Regional (MRY)

Monterey Regional is an alternative for travelers in the southern coastal region, offering a less crowded environment.

📍 ~140 km from San Francisco (reachable by car)

💸 Flights from ~$474

Business & First Class Flight Deals to San Francisco

Discover luxury on the budget with premium cabin class on flights from Montreal to San Francisco.

Elite

Best Elite deals to San Francisco

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From YUL

Elite

Jul 16

San Francisco, United States

94% AI deal score

$1,473

$777

Save $696

From YUL

Elite

Aug 06

San Francisco, United States

93% AI deal score

$1,432

$754

Save $678

From YUL

Elite

Aug 06

San Francisco, United States

93% AI deal score

$1,442

$754

Save $688

From YUL

Elite

Aug 06

San Francisco, United States

93% AI deal score

$1,430

$754

Save $676

From YUL

Elite

Aug 06

San Francisco, United States

93% AI deal score

$1,429

$754

Save $675

From YUL

Elite

Aug 06

San Francisco, United States

93% AI deal score

$1,432

$754

Save $678

From YUL

Elite

Aug 06

San Francisco, United States

93% AI deal score

$1,429

$754

Save $675

From YUL

Elite

Aug 06

San Francisco, United States

93% AI deal score

$1,469

$754

Save $715

From YUL

Elite

Aug 06

San Francisco, United States

93% AI deal score

$1,420

$754

Save $666

From YUL

Elite

Aug 09

San Francisco, United States

93% AI deal score

$1,432

$756

Save $676

From YUL

Elite

Aug 25

San Francisco, United States

93% AI deal score

$1,435

$767

Save $668

From YUL

Elite

Aug 25

San Francisco, United States

93% AI deal score

$1,447

$767

Save $680

From YUL

Elite

Aug 22

San Francisco, United States

93% AI deal score

$1,449

$769

Save $680

From YUL

Elite

Aug 22

San Francisco, United States

93% AI deal score

$1,449

$769

Save $680

From YUL

Elite

Aug 22

San Francisco, United States

93% AI deal score

$1,502

$769

Save $733

From YUL

Elite

Sep 01

San Francisco, United States

93% AI deal score

$1,506

$769

Save $737

From YUL

Elite

Sep 08

San Francisco, United States

93% AI deal score

$1,438

$775

Save $663

From YUL

Elite

Oct 03

San Francisco, United States

93% AI deal score

$1,478

$785

Save $693

From YUL

Elite

Oct 03

San Francisco, United States

93% AI deal score

$1,480

$785

Save $695

From YUL

Elite

Aug 28

San Francisco, United States

93% AI deal score

$1,486

$790

Save $696

From YUL

Elite

Aug 28

San Francisco, United States

93% AI deal score

$1,459

$790

Save $669

From YUL

Elite

Jul 22

San Francisco, United States

93% AI deal score

$1,479

$798

Save $681

From YUL

Elite

Jul 22

San Francisco, United States

93% AI deal score

$1,479

$798

Save $681

From YUL

Elite

Jul 22

San Francisco, United States

93% AI deal score

$1,476

$798

Save $678

From YUL

Elite

Aug 05

San Francisco, United States

93% AI deal score

$1,484

$798

Save $686

From YUL

Elite

Jul 22

San Francisco, United States

93% AI deal score

$1,477

$798

Save $679

From YUL

Elite

Aug 05

San Francisco, United States

93% AI deal score

$1,432

$798

Save $634

From YUL

Elite

Aug 05

San Francisco, United States

93% AI deal score

$1,429

$798

Save $631

From YUL

Elite

Jul 28

San Francisco, United States

93% AI deal score

$1,475

$801

Save $674

From YUL

Elite

Jul 04

San Francisco, United States

93% AI deal score

$1,443

$803

Save $640

From YUL

Elite

Jul 03

San Francisco, United States

93% AI deal score

$1,450

$803

Save $647

From YUL

Elite

Jul 03

San Francisco, United States

93% AI deal score

$1,443

$803

Save $640

From YUL

Elite

Jul 04

San Francisco, United States

93% AI deal score

$1,450

$803

Save $647

From YUL

Elite

Jun 30

San Francisco, United States

93% AI deal score

$1,443

$809

Save $634

From YUL

Elite

Jun 24

San Francisco, United States

93% AI deal score

$1,461

$809

Save $652

From YUL

Elite

Jun 30

San Francisco, United States

93% AI deal score

$1,447

$809

Save $638

From YUL

Elite

Jun 24

San Francisco, United States

93% AI deal score

$1,453

$809

Save $644

From YUL

Elite

Jul 11

San Francisco, United States

93% AI deal score

$1,471

$825

Save $646

From YUL

Elite

Jul 12

San Francisco, United States

93% AI deal score

$1,484

$825

Save $659

From YUL

Elite

Jul 12

San Francisco, United States

93% AI deal score

$1,480

$825

Save $655

From YUL

Elite

Jul 12

San Francisco, United States

93% AI deal score

$1,477

$825

Save $652

From YUL

Elite

Jul 11

San Francisco, United States

93% AI deal score

$1,477

$825

Save $652

From YUL

Elite

Sep 08

San Francisco, United States

93% AI deal score

$1,508

$828

Save $680

From YUL

Elite

Aug 05

San Francisco, United States

92% AI deal score

$1,420

$798

Save $622

From YUL

Elite

Aug 04

San Francisco, United States

92% AI deal score

$1,420

$825

Save $595

From YUL

Elite

Sep 08

San Francisco, United States

92% AI deal score

$1,438

$828

Save $610

From YUL

Elite

Sep 08

San Francisco, United States

92% AI deal score

$1,475

$828

Save $647

From YUL

Elite

Sep 08

San Francisco, United States

92% AI deal score

$1,439

$828

Save $611

From YUL

Elite

Sep 08

San Francisco, United States

92% AI deal score

$1,439

$828

Save $611

From YUL

Elite

Oct 08

San Francisco, United States

92% AI deal score

$1,481

$828

Save $653

From YUL

Elite

Aug 14

San Francisco, United States

92% AI deal score

$1,433

$844

Save $589

From YUL

Elite

Aug 14

San Francisco, United States

92% AI deal score

$1,433

$844

Save $589

From YUL

Elite

Jul 28

San Francisco, United States

92% AI deal score

$1,476

$862

Save $614

From YUL

Elite

Aug 07

San Francisco, United States

91% AI deal score

$1,495

$733

Save $762

From YUL

Elite

Aug 07

San Francisco, United States

91% AI deal score

$1,484

$733

Save $751

From YUL

Elite

Aug 07

San Francisco, United States

90% AI deal score

$1,442

$733

Save $709

From YUL

Elite

Aug 07

San Francisco, United States

90% AI deal score

$1,460

$733

Save $727

From YUL

Elite

Aug 07

San Francisco, United States

90% AI deal score

$1,429

$733

Save $696

From YUL

Elite

Aug 07

San Francisco, United States

90% AI deal score

$1,430

$733

Save $697

From YUL

Elite

Aug 07

San Francisco, United States

90% AI deal score

$1,432

$733

Save $699

From YUL

Elite

Aug 07

San Francisco, United States

90% AI deal score

$1,432

$733

Save $699

From YUL

Elite

Aug 07

San Francisco, United States

90% AI deal score

$1,429

$733

Save $696

From YUL

Elite

Aug 06

San Francisco, United States

90% AI deal score

$1,495

$754

Save $741

From YUL

Elite

Aug 06

San Francisco, United States

90% AI deal score

$1,484

$754

Save $730

From YUL

Elite

Jul 10

San Francisco, United States

90% AI deal score

$1,474

$775

Save $699

From YUL

Elite

Jul 10

San Francisco, United States

90% AI deal score

$1,477

$775

Save $702

From YUL

Elite

Jul 21

San Francisco, United States

90% AI deal score

$1,478

$777

Save $701

From YUL

Elite

Jul 16

San Francisco, United States

90% AI deal score

$1,478

$777

Save $701

From YUL

Elite

Oct 14

San Francisco, United States

89% AI deal score

$1,808

$1,223

Save $585

From YUL

Elite

Sep 12

San Francisco, United States

88% AI deal score

$1,731

$1,223

Save $508

From YUL

Elite

Sep 10

San Francisco, United States

88% AI deal score

$1,717

$1,225

Save $492

From YUL

Elite

Sep 21

San Francisco, United States

82% AI deal score

$1,569

$1,223

Save $346

From YUL

Elite

Sep 04

San Francisco, United States

81% AI deal score

$1,708

$1,358

Save $350

From YUL

Elite

Aug 05

San Francisco, United States

81% AI deal score

$1,942

$1,493

Save $449

From YUL

Elite

Jul 24

San Francisco, United States

81% AI deal score

$1,960

$1,493

Save $467

From YUL

Elite

Sep 05

San Francisco, United States

80% AI deal score

$1,563

$1,361

Save $202

From YUL

Elite

Sep 08

San Francisco, United States

80% AI deal score

$1,718

$1,410

Save $308

From YUL

Elite

Aug 11

San Francisco, United States

80% AI deal score

$1,856

$1,493

Save $363

From YUL

Elite

Aug 12

San Francisco, United States

80% AI deal score

$1,857

$1,493

Save $364

From YUL

Elite

Aug 20

San Francisco, United States

80% AI deal score

$1,886

$1,493

Save $393

From YUL

Elite

Jul 30

San Francisco, United States

80% AI deal score

$1,855

$1,493

Save $362

From YUL

Elite

Jul 10

San Francisco, United States

80% AI deal score

$1,951

$1,493

Save $458

From YUL

Elite

Aug 20

San Francisco, United States

80% AI deal score

$1,890

$1,557

Save $333

From YUL

Elite

Jul 01

San Francisco, United States

80% AI deal score

$1,975

$1,557

Save $418

From YUL

Elite

Aug 19

San Francisco, United States

79% AI deal score

$1,767

$1,493

Save $274

From YUL

Elite

Aug 22

San Francisco, United States

79% AI deal score

$1,795

$1,493

Save $302

From YUL

Elite

Aug 29

San Francisco, United States

79% AI deal score

$1,779

$1,493

Save $286

From YUL

Elite

Aug 23

San Francisco, United States

79% AI deal score

$1,795

$1,493

Save $302

From YUL

Elite

Aug 20

San Francisco, United States

79% AI deal score

$1,776

$1,495

Save $281

From YUL

Elite

Jul 22

San Francisco, United States

79% AI deal score

$1,885

$1,557

Save $328

From YUL

Elite

Jul 17

San Francisco, United States

79% AI deal score

$1,885

$1,558

Save $327

From YUL

Elite

Aug 19

San Francisco, United States

78% AI deal score

$1,650

$1,493

Save $157

From YUL

Elite

Jul 16

San Francisco, United States

78% AI deal score

$1,599

$1,499

Save $100

From YUL

Elite

Jul 22

San Francisco, United States

78% AI deal score

$1,603

$1,499

Save $104

From YUL

Elite

Jul 11

San Francisco, United States

78% AI deal score

$2,006

$1,773

Save $233

From YUL

Elite

Aug 25

San Francisco, United States

77% AI deal score

$1,570

$1,493

Save $77

From YUL

Elite

Jul 27

San Francisco, United States

77% AI deal score

$1,567

$1,493

Save $74

From YUL

Elite

Aug 13

San Francisco, United States

77% AI deal score

$1,568

$1,493

Save $75

From YUL

Elite

Aug 07

San Francisco, United States

77% AI deal score

$1,601

$1,499

Save $102

From YUL

Elite

Jul 11

San Francisco, United States

77% AI deal score

$1,976

$1,773

Save $203

Frequently Asked Questions About Flights to San Francisco

Historically, the best time to book a flight from Montreal to San Francisco is typically 7-13 days before departure. Flights booked within this window have an average price of $359. Booking 0-6 days out sees prices rise to an average of $586, while booking 28-59 days in advance typically results in an average price of $590. For those planning further ahead, flights booked 60+ days out have an average price of $501.

Across the trailing quarter, a good price for a flight from Montreal to San Francisco is considered to be $291 or less. The median price for this route in the trailing 90 days was $392. Prices can go higher, with 75% of flights costing $659 or more during this period. These figures are based on historical price trends.

Historically, the cheapest months to fly from Montreal to San Francisco are April, with a median price of $254, and January, with a median price of $264. May also offers competitive prices, with a median of $302. The annual median price for this route is $392, indicating that these months offer significant savings compared to the overall yearly average.