Cheap Flights to Bel Marin Keyes from HK$303

View HK$303 flight on Thu, 4 Dec 2025Opens in a new window

Popular airlines

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Bel Marin Keyes

Prices were available within the past 7 days and start at HK$303 for one-way flights and HK$918 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 4 Dec - Sun, 7 Dec
SEA
Seattle
SFO
San Francisco
HK$918 Return, found 8 hours ago
HK$918
Return
found 8 hours ago
Select Delta flight, departing Thu, 4 Dec from Seattle to San Francisco, returning Sun, 7 Dec, priced at HK$918 found 8 hours ago
United
Thu, 4 Dec - Fri, 5 Dec
SAN
San Diego
SFO
San Francisco
HK$1,068 Return, found 17 hours ago
HK$1,068
Return
found 17 hours ago
Select United flight, departing Thu, 4 Dec from San Diego to San Francisco, returning Fri, 5 Dec, priced at HK$1,068 found 17 hours ago
Alaska Airlines
Tue, 16 Dec - Sun, 21 Dec
SEA
Seattle
SFO
San Francisco
HK$1,111 Return, found 22 hours ago
HK$1,111
Return
found 22 hours ago
Select Alaska Airlines flight, departing Tue, 16 Dec from Seattle to San Francisco, returning Sun, 21 Dec, priced at HK$1,111 found 22 hours ago
American Airlines
Thu, 4 Dec - Fri, 5 Dec
SAN
San Diego
SFO
San Francisco
HK$1,380 Return, found 17 hours ago
HK$1,380
Return
found 17 hours ago
Select American Airlines flight, departing Thu, 4 Dec from San Diego to San Francisco, returning Fri, 5 Dec, priced at HK$1,380 found 17 hours ago
Cathay Pacific
Wed, 3 Dec - Mon, 8 Dec
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,881 Return, found 8 hours ago
HK$4,881
Return
found 8 hours ago
Select Cathay Pacific flight, departing Wed, 3 Dec from Hong Kong SAR to San Francisco, returning Mon, 8 Dec, priced at HK$4,881 found 8 hours ago

Find the cheapest month to fly from Columbus (CMH) to San Francisco (SFO)

February is typically the cheapest month to fly

From HK$1,231 - HK$3,413 per traveller.

Frequently asked questions

How do I find cheap flights to Bel Marin Keyes that have flexible change policies?
By using our nifty "No change fee" filter, that's how. Simply enter your travel details, click "Search," then select the box underneath the "Flexible change policies" subheading (it's on the left). Expedia makes it easy to find affordable, flexible fares to Bel Marin Keyes.
Which airlines fly to Bel Marin Keyes?
When you're ready to lock in your seat to or near Bel Marin Keyes, these quality carriers look forward to welcoming you on board:

  • United Airlines - 5,914 flights to or near Bel Marin Keyes each month, including 5,914 flights to San Francisco Intl. Airport (SFO) per month.
  • Southwest Airlines - 2,808 flights to or near Bel Marin Keyes each month, including 2,314 flights to Oakland Intl. Airport (OAK) per month.
  • Alaska Airlines - 2,518 flights to or near Bel Marin Keyes each month, including 2,349 flights to San Francisco Intl. Airport (SFO) per month.

How can I find cheap tickets to Bel Marin Keyes?
An effective strategy for walking away with cheap fares is to be flexible with your travel dates. Begin with searching for your flight to Bel Marin Keyes, then click on the "flexible dates" box for a list of prices for nearby days. Want another good tip? Book in advance. For an idea of costs, HK$918 was the best price for a flight to Bel Marin Keyes in the last seven days.
How much is a flight to Bel Marin Keyes?
If you were journeying one way from San Diego (SAN), you could've nabbed a bargain fare for just HK$303 in the last seven days. Return flights to Bel Marin Keyes ranged from HK$918 to HK$4,881 during this same period.
What are the most popular airports to fly into in Bel Marin Keyes?
When it comes to deciding which airport in Bel Marin Keyes to jet into, here are your options:

  • San Francisco Intl. Airport (SFO) - 11,935 flights per month.
  • Oakland Intl. Airport (OAK) - 3,086 flights per month.

When is the cheapest time to fly to Bel Marin Keyes?
Taking off on a Tuesday, followed by a Monday, is usually the best way to bag the cheapest fare. Stay away from the weekends if you can, because Saturday is typically the most expensive day of the week. Spend the cash you saved having a good time in Bel Marin Keyes instead!
How much is a plane ticket to Bel Marin Keyes?
Seats ranged from HK$918 to HK$4,881 over the last seven days. When you're ready to book, we'll be ready to help you grab a cheap flight to Bel Marin Keyes.
What months are the cheapest to book a flight to Bel Marin Keyes?
The cheapest month to bag a top deal to Bel Marin Keyes is February, while prices are at their highest in December. Avoid this month if you're on a budget.

Travel information

Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Return price
HK$918

Trending flights to Bel Marin Keyes

Prices were available within the past 7 days and start at HK$303 for one-way flights and HK$918 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Wed, 3 Dec - Mon, 8 Dec
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,881 Return, found 8 hours ago
HK$4,881
Return
found 8 hours ago
Select Cathay Pacific flight, departing Wed, 3 Dec from Hong Kong SAR to San Francisco, returning Mon, 8 Dec, priced at HK$4,881 found 8 hours ago

Explore a world of travel with Expedia

*Available to Expedia members.