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.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $346 (AirNGo) |
One-way from | $212 (Kiwi.com) |
Popular in | April |
Cheapest in | November |
Average price | $969 |
Good round-trip deal | $713 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkBilbao
EWR - BIO
EWRBIO
Newark
Fri 1/23
5:40 pm-11:25 am
1 stop11h 45m
Bilbao
Fri 1/30
6:40 pm-3:40 pm
1 stop27h 00m
NewarkBilbao
EWR - BIO
EWRBIO
Newark
Sun 2/1
11:55 pm-6:35 pm
1 stop12h 40m
Bilbao
Tue 2/10
6:40 pm-3:30 pm
1 stop26h 50m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
Tue 3/10
11:40 pm-9:35 pm
1 stop16h 55m
Bilbao
Mon 3/16
11:25 am-9:55 pm
1 stop15h 30m
New YorkBilbao
JFK - BIO
JFKBIO
New York John F Kennedy Intl
Sun 2/1
11:45 pm-10:05 pm
2 stops16h 20m
Bilbao
Tue 2/10
11:25 am-10:00 pm
1 stop16h 35m
New YorkBilbao
JFK - BIO
JFKBIO
New York John F Kennedy Intl
Sun 1/11
10:00 pm-6:35 pm
1 stop14h 35m
Bilbao
Mon 2/2
7:20 pm-8:05 pm
1 stop30h 45m
NewarkBilbao
EWR - BIO
EWRBIO
Newark
Wed 1/21
5:40 pm-11:25 am
1 stop11h 45m
Bilbao
Wed 1/28
12:10 pm-10:00 pm
2 stops15h 50m
New YorkBilbao
JFK - BIO
JFKBIO
New York John F Kennedy Intl
Wed 1/21
11:45 pm-5:00 pm
1 stop11h 15m
Bilbao
Wed 1/28
7:10 am-7:15 pm
2 stops18h 05m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
Wed 2/18
4:45 pm-8:30 am
1 stop9h 45m
Bilbao
Sun 2/22
10:05 pm-8:55 pm
1 stop28h 50m
New YorkBilbao
JFK - BIO
JFKBIO
New York John F Kennedy Intl
Sun 1/11
11:45 pm-4:30 pm
1 stop10h 45m
Bilbao
Mon 2/2
10:45 pm-10:00 pm
2 stops29h 15m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
Wed 2/18
8:40 pm-9:55 pm
1 stop19h 15m
Bilbao
Sun 2/22
11:35 am-5:19 pm
2 stops35h 44m
Currently, May is the cheapest month in which you can book a flight from USA to Bilbao (average of $72). Flying from USA to Bilbao in July is currently the most expensive (average of $525). 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.
It’s optimal to fly from USA to Bilbao in the evening. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the afternoon.
Travelers seeking maximum savings on their USA to Bilbao flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Crew
Food
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$395 | Average$1,001 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$897 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$427 | Average$694 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$427 | Average$807 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$439 | Average$958 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$447 | Average$723 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$453 | Average$811 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$467 | Average$877 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$470 | Average$826 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$499 | Average$938 | FlexibilityNo cancel fee | On-time69% |