Millbrae
Millbrae
Portland
Portland
Flight

Millbrae to Portland

Updated: 28 May 2026

Reaching Portland, Maine from Millbrae involves a long-haul flight from San Francisco International Airport to Portland International Jetport. You will likely connect through a hub like Boston or Newark. The total distance is over 4,900 kilometers. Once in Portland, the city is highly walkable, especially the Old Port district. This journey takes you from the Pacific Coast to the rugged Atlantic shoreline.

Total Distance: 4,950 km driving distance; 4,400 km straight-line air distance.
Fastest Way
Connecting flight directly into Portland International Jetport (PWM).
Cheapest Way
Flight to Boston Logan followed by a 2-hour bus ride to Portland.
Compare Millbrae to Portland Routes
Flight
Connecting
Duration
10 hours
Avg Price
450-900 USD
Operator
Delta Air Lines
Route
SFO to PWM via BOS or EWR.

If flights to PWM are expensive, fly to Boston Logan and take the Concord Coach Lines bus to Portland.

Travel Tips
  • Lobster Shacks
    Eat at local lobster shacks rather than tourist-heavy restaurants for better prices.
  • Bus Travel
    Concord Coach Lines is the most reliable way to travel between Boston and Portland.
  • Footwear
    Wear comfortable walking shoes for the uneven cobblestone streets in the Old Port.
  • Weather
    Even in summer, bring a light jacket for cool ocean breezes at night.
  • Reservations
    Book dinner reservations in advance during the peak summer months.
Safety Tips
  • Coastal Safety
    Stay on marked paths when visiting rocky coastal areas near lighthouses.
  • Winter Travel
    If visiting in winter, be prepared for heavy snow and icy conditions.
  • Emergency
    Keep local taxi numbers saved as ride-sharing can be limited in rural areas.
  • Navigation
    Use GPS for driving as coastal roads can be winding and confusing.
People Also Ask
  • Is there a direct flight to Portland, Maine?
    No, you must connect through a major hub like Boston, Newark, or Philadelphia.
  • How do I get from Boston to Portland?
    The Concord Coach Lines bus is the most convenient and frequent option.
  • Is Portland, Maine worth visiting?
    Yes, it is famous for its food scene, historic architecture, and coastal beauty.
  • What is the best time for lobster?
    Summer and early autumn are the peak seasons for fresh Maine lobster.
  • Can I take a train to Portland?
    Yes, the Amtrak Downeaster runs from Boston North Station to Portland.
Quick Info
  • From Millbrae, California, United States
  • To Portland, Maine, United States
  • Modes
Best Time to Travel

July to August for warm coastal weather and lobster season.

Things to Do in Portland
1
Old Port District
Walk the cobblestone streets lined with boutiques, galleries, and seafood restaurants. It is the heart of the city.
2
Portland Head Light
Visit the iconic lighthouse in Cape Elizabeth. It is one of the most photographed lighthouses in the world.
3
Casco Bay Lines
Take a ferry ride to the nearby islands for a scenic view of the Maine coastline. The mail boat run is a local favorite.
4
Portland Museum of Art
View the extensive collection of American and European art in the downtown arts district.
Tags
Millbrae to Portland Maine SFO to PWM flights travel to Maine Portland Maine travel guide best way to reach Maine Millbrae travel Maine transport cross-country trip