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$428+ Cheap flights from Philadelphia to Bellingham (PHL - BLI)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BLI
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find flight deals from Philadelphia to Bellingham

Cheapest flights from Philadelphia to Bellingham
Explore the most affordable flight options available from Philadelphia to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:00 amPHL - BLI
1 stop20h 16mAlaska Airlines
Tue 12/305:20 amBLI - PHL
1 stop21h 17mAlaska Airlines
Deal found 11/13$644

Cheap flight deals from Philadelphia to Bellingham

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Bellingham (BLI). 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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$428
(Alaska Airlines)

Popular in

November

Cheapest in

October

Average price

$770
Provider with most accurate pricing for Philadelphia-Bellingham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Bellingham flights.
Search Deals
From Philadelphia to Bellingham
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Bellingham 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 November 13, 2025.
Use the filters below to find and compare flights from Philadelphia to Bellingham that are best for you.

Fly from

Philadelphia

Fly to

Bellingham

Route

Depart

Return

Price

PhiladelphiaBellingham

PHL - BLI

PHLBLI

Philadelphia

Tue 3/3

6:20 pm-11:59 pm

1 stop8h 39m

Bellingham

Wed 3/4

5:15 am-5:20 pm

1 stop9h 05m

$428

PhiladelphiaBellingham

PHL - BLI

PHLBLI

Philadelphia

Fri 3/20

7:00 am-5:25 pm

1 stop13h 25m

Bellingham

Tue 3/24

6:25 pm-5:23 am

1 stop7h 58m

$498

PhiladelphiaBellingham

PHL - BLI

PHLBLI

Philadelphia

Fri 3/20

7:00 am-5:25 pm

1 stop13h 25m

Bellingham

Wed 3/25

6:25 pm-5:23 am

1 stop7h 58m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Compare providers for flights from Philadelphia to Bellingham

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 Philadelphia to Bellingham in November.
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 Philadelphia-Bellingham flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Bellingham flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Bellingham flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Bellingham 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 Philadelphia-Bellingham 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 Philadelphia to Bellingham

Have a flexible travel schedule? Discover the best time to fly to Bellingham from Philadelphia 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 Bellingham

Get insights into the airlines that provide service to Bellingham. 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 Bellingham. Reviews last updated November 13, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines from Philadelphia to Bellingham to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,288 reviews

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,288 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Bellingham. 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 Philadelphia to Bellingham?

    A quick flight from Philadelphia to Bellingham can take about 8h 39m. Alaska Airlines provides one of the quickest options available for as low as $428. The distance between Philadelphia and Bellingham is about 2374 mi.

  • What is the cheapest airline to fly from Philadelphia to Bellingham round-trip?

    Our cheapest airline available from Philadelphia to Bellingham is Alaska Airlines. Our recent data shows that you can find tickets from as low as $438 on this airline. This flight start at 27% lower than the current average price 3 months from now.

  • Can I find deals for flights from Philadelphia to Bellingham that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Bellingham flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Bellingham?

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

  • Can I find deals for business class flights from Philadelphia to Bellingham?

    Yes. Cheapflights offers flight deals from Philadelphia to Bellingham 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 Bellingham?

Book flights to Bellingham if you plan to visit one of these locations
Mount Vernon
Burlington
Ferndale
Blaine

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Top airline flying from Philadelphia to Bellingham

Discover the top airline that operate flights from Philadelphia to Bellingham. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$438Average$551FlexibilityNo cancel feeOn-time75%

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