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 | $361 (Flightnetwork) |
One-way from | $243 (French Bee) |
Popular in | April |
Cheapest in | November |
Average price | $541 |
Good round-trip deal | $7,248 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkBilbao
EWR - BIO
EWRBIO
Newark
jeu. 12/4
11:55 pm-11:25 am
1 stop29h 30m
Bilbao
mer. 12/10
12:10 pm-10:10 pm
1 stop16h 00m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
lun. 12/1
6:28 pm-11:05 pm
2 stops22h 37m
Bilbao
mar. 12/23
7:40 am-6:35 pm
1 stop16h 55m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
lun. 12/1
6:30 pm-11:30 am
1 stop11h 00m
Bilbao
mar. 12/23
5:20 pm-1:20 pm
1 stop26h 00m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
lun. 12/1
8:25 pm-5:20 pm
1 stop14h 55m
Bilbao
lun. 12/8
5:20 pm-1:20 pm
1 stop26h 00m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
dim. 1/11
8:40 pm-6:05 pm
1 stop15h 25m
Bilbao
mar. 1/27
11:35 am-9:52 pm
2 stops16h 17m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
mer. 1/14
10:10 pm-9:10 pm
1 stop17h 00m
Bilbao
mar. 1/20
11:35 am-8:20 pm
2 stops14h 45m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
dim. 2/15
6:15 am-9:55 pm
2 stops33h 40m
Bilbao
mer. 3/4
7:25 am-10:49 am
2 stops33h 24m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
mer. 2/11
4:15 pm-12:05 pm
1 stop13h 50m
Bilbao
lun. 2/23
6:50 pm-6:35 pm
1 stop29h 45m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
lun. 12/1
6:28 pm-11:05 pm
2 stops22h 37m
Bilbao
lun. 12/8
12:50 pm-10:37 pm
2 stops39h 47m
BostonBilbao
BOS - BIO
BOSBIO
Boston Logan Intl
mer. 2/11
1:30 pm-4:10 pm
2 stops20h 40m
Bilbao
lun. 2/23
12:50 pm-2:05 pm
2 stops31h 15m
Currently, October is the cheapest month in which you can book a flight from USA to Bilbao (average of $356). Flying from USA to Bilbao in July is currently the most expensive (average of $532). 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 at noon. By choosing this option you can save up to 9% 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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Entertainment
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$395 | Average$917 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$907 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$427 | Average$730 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$427 | Average$807 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$439 | Average$905 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$447 | Average$690 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$453 | Average$867 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$467 | Average$920 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$469 | Average$786 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$499 | Average$951 | FlexibilityNo cancel fee | On-time69% |