Exciting flight deals to Bilbao are available, with prices varying slightly based on routing.
The $760 fare includes advance seat selection, a standard carry-on bag, and one checked bag.
Delta, Air France, and KLM Royal Dutch also offer a Basic Economy fare at $560. Please note the restrictions associated with this fare:
- DO NOT allow advance seat selection.
- DO NOT include checked baggage—these are an additional $75 for the first bag and $100 for the second.
- DO NOT permit changes to the ticket.
- DO NOT allow cancellations; cancelling after the 24-hour risk-free period renders the Basic Economy fare worthless for future travel.
- DO NOT earn mileage with this fare.
- Many online travel agencies do not display Air France or KLM Basic Economy fares as such.
Sign up for our Real Time Newsletter to get notifications about economy class deals for your city an hour before they appear on our website or social media – all for roughly a nickel a day.
Interested in Business Class, First Class, or Premium Economy offers? Sign up for our Premium Newsletter for about a quarter a day.
Bilbao, Spain – Photo: Gabriel González via Flickr, used under Creative Commons License (By 2.0)
Sample Travel Date:
- This is just ONE SAMPLE travel date; for additional options, please refer to the “Fare Availability” and “How to Search for Availability” sections below.
Fare Availability:
- Valid for travel from mid-September to early December and mid-January 2026 to February 2026, with departures on Sundays through Wednesdays and returns on Tuesdays through Fridays. A Sunday night stay is required. Availability is limited, and tickets must be purchased at least 14 days in advance.
- Note: While this fare is valid at the time of posting, if this post is older than two days, the fare may no longer be available.
How to Search for Availability:
- This section is for searching availability. To purchase tickets, see the “How to Buy” section below.
- Access Matrix Airfare Search by ITA Software and input the following search criteria:
- Origin: SFO
- Routing Codes:
- DL DL
- Extension Codes: f .. VLX46SBA ; maxconnect 360
- This instructs the Matrix Airfare Search to look for the Basic Economy fare. Use these dates on Delta to see the option to upgrade to regular economy fare.
- Destination: BIO
- Return Routing Codes:
- DL DL
- Extension Codes: f .. VLX46SBA ; maxconnect 360
- (Click the Advanced Codes link to enable advanced routing code input)
- Select “See calendar of lowest fares.”
- Duration “3-10” (You can select any 7-day range like 3-10, 7-14, etc.)
- Beginner’s Guide on How to Use Matrix by ITA Software
- How to Interpret Airfare Rules to Your Advantage
- The Matrix Airfare Search by ITA Software should reflect the appropriate values once entered.
- Note: Tickets cannot be purchased using Matrix Airfare Search. Please follow the “How to Buy” section below to purchase tickets.
Fare Class:
- E (Basic Economy)
- V (Regular Economy)
Elite Qualifying Dollars:
Routing:
- SFO – CDG (Paris) – BIO (Bilbao) – CDG – SFO
Stopover:
Mileage:
- Miles Flown: 12,076 miles, equating to 4.6 cents per mile (Basic Economy) / 6.3 cents per mile (Regular Economy)
- Redeemable Miles: 3,130 miles
How to Buy:
- Book directly on Delta using the dates from Matrix Airfare Search.
Accommodations
- TripAdvisor – A top hotel meta-search engine providing the lowest hotel rates from over 200 websites.
Car Rentals
- Rental Cars – A leading car rental agency featuring major brands like Hertz, Avis, Budget, Dollar, Enterprise, and more.
Activities and Tours
- Viator – The world’s largest marketplace for activities and tours at destinations.
Background Information:
- Visa: Not required for US Citizens. Other nationals should check the TIMATIC Visa Database.
- Currency: Euro (EUR). $1 USD = 0.87 EUR.
Tips for Saving with Credit Cards Internationally:
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The Flight Deal does not sell travel products or services. We provide information about third-party travel providers’ offers and link to their sites. All information is accurate at the time of publication; however, we have no control over the suppliers, and therefore do not guarantee that their offers will remain unchanged or available. Please check their sites for the most up-to-date information and applicable terms.
