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$438+ Cheap flights from Moncton (YQM) to San Diego (SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
YQM — SAN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Moncton to San Diego

Best flights from Moncton to San Diego
Discover carefully curated flight deals from Moncton to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/244:20 pmYQM - SAN
2 stops22h 07mUnited Airlines
Tue 1/272:11 pmSAN - YQM
2 stops21h 17mUnited Airlines
Deal found 12/15$438
This Air Canada deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/25:50 amYQM - SAN
2 stops20h 43mAir Canada
Sat 2/76:30 amSAN - YQM
2 stops13h 13mAir Canada
Deal found 12/16$482
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/25:55 pmYQM - SAN
2 stops28h 41mUnited Airlines
Sat 2/71:51 pmSAN - YQM
2 stops23h 12mUnited Airlines
Deal found 12/17$493
This Air Canada deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/245:10 amYQM - SAN
1 stop10h 43mAir Canada
Tue 1/276:05 pmSAN - YQM
2 stops22h 26mAir Canada
Deal found 12/16$524
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/25:10 amYQM - SAN
2 stops19h 32mUnited Airlines
Sun 2/81:51 pmSAN - YQM
2 stops23h 12mUnited Airlines
Deal found 12/17$527

Find flight deals from Moncton to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Moncton (YQM) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$438
(United Airlines)

Popular in

January

Cheapest in

May

Average price

$516
Provider with most accurate pricing for Moncton Intl-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Moncton Intl-San Diego flights.
Search Deals
From Moncton Intl to San Diego
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Moncton to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Moncton to San Diego that are best for you.

Fly from

Moncton

Fly to

San Diego

Route

Depart

Return

Price

MonctonSan Diego

YQM - SAN

YQMSAN

Moncton Intl

Sat 1/24

4:20 pm-10:27 am

2 stops22h 07m

San Diego

Tue 1/27

2:11 pm-3:28 pm

2 stops21h 17m

$438

MonctonSan Diego

YQM - SAN

YQMSAN

Moncton Intl

Mon 2/2

5:50 am-10:33 pm

2 stops20h 43m

San Diego

Sat 2/7

6:30 am-11:43 pm

2 stops13h 13m

$482

MonctonSan Diego

YQM - SAN

YQMSAN

Moncton Intl

Mon 2/2

5:55 pm-6:36 pm

2 stops28h 41m

San Diego

Sat 2/7

1:51 pm-5:03 pm

2 stops23h 12m

$493

MonctonSan Diego

YQM - SAN

YQMSAN

Moncton Intl

Sat 1/24

5:10 am-11:53 am

1 stop10h 43m

San Diego

Tue 1/27

6:05 pm-8:31 pm

2 stops22h 26m

$524

MonctonSan Diego

YQM - SAN

YQMSAN

Moncton Intl

Mon 2/2

5:10 am-8:42 pm

2 stops19h 32m

San Diego

Sun 2/8

1:51 pm-5:03 pm

2 stops23h 12m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Compare providers for flights from Moncton to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Moncton to San Diego in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Moncton-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Moncton-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Moncton-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Moncton-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Moncton-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Moncton to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Moncton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated December 18, 2025.
See what other customers who have flown with United Airlines and Air Canada from Moncton to San Diego have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
10,534 reviews
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Moncton to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Moncton to San Diego?

    There are many flights that can get you from Moncton to San Diego in 20h 43m. Fly via United Airlines or Air Canada to get the fastest option. Moncton and San Diego are separated by a distance of 2891 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Moncton to San Diego round-trip?

    United Airlines, at $273, was found to be the cheapest airline from Moncton to San Diego. An alternate airline flying to your destination would be Air Canada. These flights start at 35% lower than the current average price 3 months from now.

  • Can I find deals for flights from Moncton to San Diego that include hotel bookings?

    Yes. In addition to deals on Moncton to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Moncton to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Moncton to San Diego.

  • Can I find deals for business class flights from Moncton to San Diego?

    Yes. Cheapflights offers flight deals from Moncton to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
National City
La Mesa
Poway
Julian
Lemon Grove

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Top 2 airlines flying from Moncton to San Diego

Discover the top 2 airlines that operate flights from Moncton to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$273Average$281FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$362Average$389FlexibilityNo cancel feeOn-time67%

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