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Cheap flights from Oakland, California to Barcelona from $304

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oakland, California to Barcelona departing on 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Oakland, California to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
5:55 am - 4:25 pm
OAK
-
BCN
25h 30m
2 stops
KLM Logo
6:20 am - 4:24 pm
BCN
-
OAK
19h 04m
2 stops
$684KLM
Mon, Apr 13 - Wed, Apr 29
Delta Logo
5:55 am - 5:10 pm
OAK
-
BCN
26h 15m
2 stops
Delta Logo
11:10 am - 4:24 pm
BCN
-
OAK
38h 14m
2 stops
$685Delta
Tue, Apr 14 - Mon, Apr 20
Delta Logo
4:49 pm - 8:45 am
OAK
-
BCN
30h 56m
2 stops
Delta Logo
6:20 am - 4:24 pm
BCN
-
OAK
19h 04m
2 stops
$689Delta
Sun, Apr 12 - Wed, Apr 29
Delta Logo
5:55 pm - 11:15 am
OAK
-
BCN
56h 20m
2 stops
Delta Logo
6:20 am - 4:24 pm
BCN
-
OAK
19h 04m
2 stops
$691Delta
Sat, Apr 18 - Wed, Apr 29
Delta Logo
4:49 pm - 8:45 am
OAK
-
BCN
54h 56m
2 stops
Delta Logo
11:00 am - 11:54 pm
BCN
-
OAK
21h 54m
2 stops
$694Delta
Tue, Apr 7 - Fri, Apr 17
Delta Logo
5:55 am - 2:50 pm
OAK
-
BCN
23h 55m
2 stops
Delta Logo
11:00 am - 4:24 pm
BCN
-
OAK
38h 24m
2 stops
$695Delta
Tue, Apr 14 - Thu, Apr 30
Delta Logo
4:49 pm - 12:50 pm
OAK
-
BCN
59h 01m
2 stops
Delta Logo
6:20 am - 11:54 pm
BCN
-
OAK
26h 34m
2 stops
$696Delta
Mon, Apr 6 - Thu, Apr 16
Delta Logo
4:49 pm - 8:45 am
OAK
-
BCN
30h 56m
2 stops
Delta Logo
11:00 am - 4:24 pm
BCN
-
OAK
38h 24m
2 stops
$700Delta
Sun, Apr 12 - Thu, Apr 30
Delta Logo
12:34 pm - 12:50 pm
OAK
-
BCN
39h 16m
2 stops
Delta Logo
11:00 am - 4:24 pm
BCN
-
OAK
38h 24m
2 stops
$702Delta
Sat, Apr 18 - Thu, Apr 30
Delta Logo
5:04 pm - 12:50 pm
OAK
-
BCN
34h 46m
2 stops
Delta Logo
3:15 pm - 11:53 am
BCN
-
OAK
29h 38m
2 stops
$730Delta
Mon, Apr 20 - Thu, Apr 30

KLM flights from Oakland, California to Barcelona-El Prat Airport

Our best KLM deals on Oakland, California to Barcelona-El Prat Airport flight tickets
KLM
Apr 13
OAK5:55 amOakland
25h 30m
2 stops
BCN4:25 pmBarcelona-El Prat
Apr 29
BCN6:20 amBarcelona-El Prat
19h 04m
2 stops
OAK4:24 pmOakland
$684
KLM
Apr 8
OAK12:35 pmOakland
21h 15m
2 stops
BCN6:50 pmBarcelona-El Prat
Apr 13
BCN7:45 pmBarcelona-El Prat
29h 39m
2 stops
OAK4:24 pmOakland
$788

Delta flights from Oakland, California to Barcelona-El Prat Airport

Our best Delta deals on Oakland, California to Barcelona-El Prat Airport flight tickets
Delta
Apr 14
OAK5:55 amOakland
26h 15m
2 stops
BCN5:10 pmBarcelona-El Prat
Apr 20
BCN11:10 amBarcelona-El Prat
38h 14m
2 stops
OAK4:24 pmOakland
$685
Delta
Apr 12
OAK4:49 pmOakland
30h 56m
2 stops
BCN8:45 amBarcelona-El Prat
Apr 29
BCN6:20 amBarcelona-El Prat
19h 04m
2 stops
OAK4:24 pmOakland
$689
Delta
Apr 18
OAK5:55 pmOakland
56h 20m
2 stops
BCN11:15 amBarcelona-El Prat
Apr 29
BCN6:20 amBarcelona-El Prat
19h 04m
2 stops
OAK4:24 pmOakland
$691

momondo Fare Finder

 
Customize your flight search to find flights from Oakland, California to Barcelona-El Prat Airport 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, momondo users made 832,500 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from Oakland, California to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Mon 4/13

5:55 am-4:25 pm

2 stops25h 30m

Barcelona-El Prat

Wed 4/29

6:20 am-4:24 pm

2 stops19h 04m

$684

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Tue 4/14

5:55 am-5:10 pm

2 stops26h 15m

Barcelona-El Prat

Mon 4/20

11:10 am-4:24 pm

2 stops38h 14m

$685

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 4/12

4:49 pm-8:45 am

2 stops30h 56m

Barcelona-El Prat

Wed 4/29

6:20 am-4:24 pm

2 stops19h 04m

$689

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 4/18

5:55 pm-11:15 am

2 stops56h 20m

Barcelona-El Prat

Wed 4/29

6:20 am-4:24 pm

2 stops19h 04m

$691

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Tue 4/7

4:49 pm-8:45 am

2 stops54h 56m

Barcelona-El Prat

Fri 4/17

11:00 am-11:54 pm

2 stops21h 54m

$694

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Tue 4/14

5:55 am-2:50 pm

2 stops23h 55m

Barcelona-El Prat

Thu 4/30

11:00 am-4:24 pm

2 stops38h 24m

$695

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Mon 4/6

4:49 pm-12:50 pm

2 stops59h 01m

Barcelona-El Prat

Thu 4/16

6:20 am-11:54 pm

2 stops26h 34m

$696

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sun 4/12

4:49 pm-8:45 am

2 stops30h 56m

Barcelona-El Prat

Thu 4/30

11:00 am-4:24 pm

2 stops38h 24m

$700

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Sat 4/18

12:34 pm-12:50 pm

2 stops39h 16m

Barcelona-El Prat

Thu 4/30

11:00 am-4:24 pm

2 stops38h 24m

$702

OaklandBarcelona

OAK - BCN

OAKBCN

Oakland

Mon 4/20

5:04 pm-12:50 pm

2 stops34h 46m

Barcelona-El Prat

Thu 4/30

3:15 pm-11:53 am

2 stops29h 38m

$730

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Barcelona from

How to get the cheapest flight ticket from Oakland, California to Barcelona-El Prat Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $694. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $886. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Oakland, California in the evening is the least expensive time of day to depart. momondo users have found prices as low as $731 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $841 on average. Flights to Barcelona-El Prat Airport from Oakland, California in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Oakland, California to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Oakland, California to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Oakland, California to Barcelona-El Prat Airport (OAK to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oakland, California to Barcelona-El Prat Airport

Fastest flight time

18h 21m

Direct flights

None
The fastest flight from Oakland, California to Barcelona-El Prat Airport takes 18h 21m
There are no direct flights from Oakland, California to Barcelona-El Prat Airport. There are no popular flight routes from Oakland, California to Barcelona-El Prat Airport.
Search flight deals

  • How far is Oakland to Barcelona-El Prat by plane?

    The straight-line distance from Oakland to Barcelona-El Prat is 5938.7 mi. Typically, this will take 18h 21m by plane in normal conditions.

  • When did momondo last update prices for flights from Oakland Airport to Barcelona-El Prat Airport?

    Prices for flights from Oakland Airport to Barcelona-El Prat Airport are updated daily.

  • How old do you have to be to fly from Oakland Airport to Barcelona-El Prat Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oakland Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The travel and health documents required for your trip to Barcelona-El Prat Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Barcelona-El Prat Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tossa de Mar
Castelldefels
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Santa Susanna
Cadaques
Cambrils
Badalona
Pals
Pineda de Mar
Empuriabrava
Roses
Calella de Palafrugell
Palafrugell
Malgrat de Mar

Why use momondo?

Why should I use momondo to find a flight deal from Oakland to Barcelona?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Oakland to Barcelona. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Oakland to Barcelona with flexible booking policies on momondo?

Yes. All flights to Barcelona from Oakland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Oakland to Barcelona?

momondo helps you find the best flight between Oakland and Barcelona by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Oakland to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Oakland to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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