What is the cheapest month to book a flight from USA to Bilbao?

Currently, January is the cheapest month in which you can book a flight from USA to Bilbao (average of $541). Flying from USA to Bilbao in June is currently the most expensive (average of $1,139). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What are the most popular routes from USA to Bilbao?

The most popular flight routes from USA to Bilbao are Newark - Bilbao, New York John F Kennedy Intl - Bilbao and New York LaGuardia - Bilbao.

What are the most popular airlines that fly from USA to Bilbao?

Before booking your flight from USA to Bilbao check out the most popular airlines for this route: LEVEL, American Airlines or Delta.

What is the cheapest month to fly from USA to Bilbao?

The best pricing can be found in the month of January. Prices to Bilbao from USA average $780. You can even find prices in January for less than $780, as users have found deals to Bilbao from as low as $432. The month of December appears to be one of the more expensive times to travel to Bilbao from USA. Flying in the targeted month can save you up to 41%.

What is the cheapest time of day to fly from US to BIO?

When flying from USA to Bilbao, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Bilbao from United States?

Located just 3.0 mi from the city center, Bilbao (BIO) is the airport most travelers will use when flying to Bilbao from United States.

Can I find deals for flights from USA to Bilbao that include hotel bookings?

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

How can I find direct flights from USA to Bilbao?

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

Can I find deals for business class flights from USA to Bilbao?

Yes. Cheapflights offers flight deals from USA to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$179+ Cheap Flights from the United States to Bilbao

Round-trip from	$345 (oojo)
One-way from	$179 (Trip.com)
Popular in	December
Cheapest in	January
Average price	$865
Good round-trip deal	$759 or less
Good one-way deal	$514 or less

United Airlines

United's Polaris Business Class includes lie-flat seats, Saks bedding, and upscale amenity kits.

United's Premium Plus offers extra legroom, upgraded meals, and two checked bags on international flights.

Read more about United Airlinesby Harriet Baskas

Iberia

Iberia's premium economy offers 37-inch legroom, footrests, and noise-canceling headphones on long-haul flights.

Iberia offers two hot meal options on long-haul flights, with special meals available on request.

Lufthansa

Lufthansa's Allegris economy offers 31-inch pitch, adjustable headrests, and enhanced seatback pockets.

Lufthansa's premium economy features hard-shell seats, generous recline, and upgraded meals on long-hauls.

Read more about Lufthansaby Blane Bachelor

Delta

Delta One features lie-flat seats with duvets, lumbar pillows, and premium food on long-haul routes.

Delta offers free Wi-Fi on most long-haul routes for SkyMiles members, enhancing connectivity.

KLM

KLM's Economy Comfort offers 4 extra inches of legroom, enhancing comfort on long-haul flights.

KLM's premium economy offers extra width, legroom, and upgraded service in a small mini-cabin.

Air Europa

Air Europa's XL seats offer extra legroom for a small fee, enhancing long-haul comfort.

Air Europa's Flex Fare includes free seat reservation, checked bag, and reservation changes.

Read more about Air Europaby Brandon Schultz

Airline	Cheapest	Average	Flexibility	On-time
Air Europa	Cheapest$416	Average$769	FlexibilityNo cancel fee	On-time83%
LEVEL	Cheapest$418	Average$827	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$424	Average$870	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$427	Average$727	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$431	Average$912	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$439	Average$888	FlexibilityNo cancel fee	On-time71%
KLM	Cheapest$467	Average$950	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$517	Average$954	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$528	Average$914	FlexibilityNo cancel fee	On-time76%
Air France	Cheapest$535	Average$897	FlexibilityNo cancel fee	On-time77%

$179+ Cheap flights from the United States to Bilbao (BIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from USA to Bilbao

Keep the following information in mind while searching for USA to Bilbao flight deals. Data was last updated August 14, 2025.

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Cheapest flights from USA to BilbaoExplore the most affordable flight options available from USA to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from USA to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

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The best insider tips for theUnited States to Bilbao flights

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Best time to book a flight from USA to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from USA with our price prediction graph.

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Everything you need to know about your flight from the United States to Bilbao

What is the cheapest month to book a flight from USA to Bilbao?

What is the cheapest time of day to fly from US to BIO?

Find hourly flight availability from USA to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Reviews of airlines servicing Bilbao

Read through reviews of airlines operating flights from the United States to Bilbao, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from USA to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Bilbao from United States?

What are the most popular routes from USA to Bilbao?

Can I find deals for flights from USA to Bilbao that include hotel bookings?

How can I find direct flights from USA to Bilbao?

Can I find deals for business class flights from USA to Bilbao?

What is the cheapest month to book a flight from USA to Bilbao?

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Alternative routes for USA to Bilbao

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Cheapest flights from USA to Bilbao
Explore the most affordable flight options available from USA to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.