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Cheap flights from Moncton to San Diego from C$ 548

YQM — SAN
18 Oct — 25 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Moncton to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Moncton to San Diego

Sat 17/106:35 a.m. -
2 stops20h 06m
Tue 20/103:56 p.m. -
3 stops25h 42m
Deal found 15/9C$ 548
Mon 5/106:35 a.m. -
1 stop18h 01m
Wed 7/103:56 p.m. -
2 stops15h 19m
Deal found 13/9C$ 607
Mon 5/106:15 p.m. -
1 stop23h 55m
Wed 7/105:49 p.m. -
2 stops43h 31m
Deal found 15/9C$ 733
Mon 5/106:35 a.m. -
2 stops14h 51m
Wed 7/105:00 p.m. -
2 stops13h 30m
Deal found 14/9C$ 796

Find flight deals from Moncton to San Diego

Round-trip from

C$ 548

Popular in

August

Cheapest in

July

Average price

C$ 1,384
United Airlines
  • United Airlines
  • 17/10-20/10
  • 5 total stops
  • 45h 48m total
  • Moncton to San Diego
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Highest demand for flights based on searches. 11% potential increase in price (C$ 191 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 111 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Moncton to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MonctonSan Diego

YQM Moncton Intl - SAN San Diego

YQMSAN

Moncton Intl

Sat 17/10

6:35 a.m.-10:41 p.m.

2 stops20h 06m

San Diego

Tue 20/10

3:56 p.m.-9:38 p.m.

3 stops25h 42m

C$ 548

MonctonSan Diego

YQM Moncton Intl - SAN San Diego

YQMSAN

Moncton Intl

Mon 5/10

6:35 a.m.-8:36 p.m.

1 stop18h 01m

San Diego

Wed 7/10

3:56 p.m.-11:15 a.m.

2 stops15h 19m

C$ 607
Quickest round-trip

MonctonSan Diego

YQM Moncton Intl - SAN San Diego

YQMSAN

Moncton Intl

Mon 5/10

6:35 a.m.-10:27 p.m.

2 stops19h 52m

San Diego

Wed 7/10

6:40 a.m.-12:03 a.m.

2 stops13h 23m

C$ 797

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Sorted by cheapest first

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

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown United Airlines and Air Canada from Moncton to San Diego. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,224 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Comfort

7.3

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
10,224 reviews
United Airlines
7.4
Good
10,224 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Comfort

7.3

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
11,649 reviews
United Airlines
7.4
Good
10,224 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Comfort

7.3

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

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

    United Airlines can get you from Moncton to San Diego in just under 20h 06m. Your travel time can differ by up to . Moncton and San Diego are separated by a distance of 4653 km.

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

    Our cheapest airline available from Moncton to San Diego is Air Canada. Our recent data shows that you can find tickets from as low as C$ 668 on this airline. An additional option worth looking into is United Airlines, starting at C$ 707. Air Canada is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
La Mesa
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Moncton to San Diego

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 668AverageC$ 802FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 707AverageC$ 801FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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