$28 Cheap Flights to Union City, CA

View $28 flight on Wed, May 13, 2026Opens in a new window

Popular airlines to Union City

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How much is the cheapest flight to Union City?

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 13 - Sat, May 16
SAN
San Diego
SFO
San Francisco
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 13 from San Diego to San Francisco, returning Sat, May 16, priced at $56 just found
American Airlines
Wed, May 27 - Tue, Jun 2
LAX
Los Angeles
SFO
San Francisco
$97 Roundtrip, just found
$97
Roundtrip
just found
Select American Airlines flight, departing Wed, May 27 from Los Angeles to San Francisco, returning Tue, Jun 2, priced at $97 just found
United
Wed, May 27 - Tue, Jun 2
LAX
Los Angeles
SFO
San Francisco
$97 Roundtrip, just found
$97
Roundtrip
just found
Select United flight, departing Wed, May 27 from Los Angeles to San Francisco, returning Tue, Jun 2, priced at $97 just found
Southwest Airlines
Wed, May 27 - Tue, Jun 2
LAX
Los Angeles
SFO
San Francisco
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, May 27 from Los Angeles to San Francisco, returning Tue, Jun 2, priced at $97 just found
Alaska Airlines
Tue, May 5 - Fri, May 8
SEA
Seattle
SJC
San Jose
$149 Roundtrip, just found
$149
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, May 5 from Seattle to San Jose, returning Fri, May 8, priced at $149 just found

Alternative airports near Union City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest option available. Average driving time to city center is 31 minutes. Flights from $379
SFO
San Francisco Intl.
Cheapest
Average driving time to city center31 min
Flights from $379
Select flight to Norman Y. Mineta San Jose Intl. SJC. Average driving time to city center is 26 minutes. Flights from $462
SJC
Norman Y. Mineta San Jose Intl.
Average driving time to city center26 min
Flights from $462
Select flight to Oakland Intl. OAK. Average driving time to city center is 18 minutes. Flights from $394
OAK
Oakland Intl.
Average driving time to city center18 min
Flights from $394

Frequently asked questions

What month is the cheapest to fly to Union City?
Schedule your trip for May if you want to get a deal on your fare. It's the cheapest month to fly to Union City. Try to avoid traveling during peak periods such as major public holidays or during big events.
Which US cities have the cheapest flights to Union City?
Los Angeles, San Diego and New York generally have cheap flights to Union City. Bear in mind that prices may vary based on factors like demand, time of year and number of stopovers.
Which US cities fly direct to Union City?
Pick from 64 US destinations offering direct flights to Union City. While booking on Expedia, click on the "Direct flights only" box to find nonstop itineraries. Fly to Union City from any of these cities:

  • Los Angeles
  • San Diego
  • New York
  • Seattle
  • Las Vegas

How to find a cheap flight to Union City?
To snag cheap flights to Union City, book well in advance and visit during the off-peak months of February and September. Want an insider tip? Leave on a Thursday and save 16% on average compared to traveling on a Sunday.* Set a price alert on the Expedia app and we'll let you know as soon as your fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Union City?
Being flexible with your plans may help you find last-minute offers on cheap flights to Union City. To view all the available options, consider exploring different ticket types, changing your Union City vacation dates, flying out of an alternative airport or going with another carrier.
How far in advance should I book a flight to Union City?
Lock in your flight to Union City two to four months ahead if you're coming in from an international destination. For domestic travel, the usual timeframe is 28 days in advance. Better deals and a wider variety of departure dates, times and seating options are some of the great reasons to book early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Union City?
Generally, you can get cheap flights to Union City on Sundays. You'll save about 8% on average compared to those who book on a Friday, which is often the most expensive day to book.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Union City?
A total of 51 carriers connect 121 airports across the globe to Union City. Here are a few of the top airlines to Union City, where San Francisco Intl. Airport (SFO) is the major entry point:

  • United Airlines
  • Alaska Airlines
  • American Airlines
  • Delta Air Lines

Where do you fly into Union City?
The main hub when you fly to Union City is Oakland Intl. Airport (OAK), but there are some great nearby alternatives like Norman Y. Mineta San Jose Intl. Airport (SJC) and San Francisco Intl. Airport (SFO). You can also arrive at San Jose, CA (RHV-Reid Hillview) and Hayward Executive Airport (HWD) when flying to Union City.
How far is the airport from central Union City?
If you're flying into Oakland Intl. Airport (OAK), you'll be approximately 12 mi northwest of the center of Union City.
Can I save money by booking a Union City trip package?
Book an Union City flight and hotel package deal on Expedia, and you could benefit from significant savings. It's easy to bundle your hotel and flight, and you can also add activities and car rentals to create your own customized Union City trip. Plus, there's nothing like the convenience of booking everything in the same place.
Can I change or cancel my flight to Union City?
You can often change or cancel your flight to Union City within 24 hours of booking. However, be mindful that some flights are non-refundable. In those cases, you may receive credit for a future trip rather than a direct refund. Remember to check the airline's terms and conditions in your itinerary for specific details. You can use Expedia's "No cancel fee" or "Changes included" filters when you search to find cheap flights to Union City with flexible change policies. To learn more, browse our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Roundtrip price
$56

Trending flights to Union City

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, May 12 - Wed, May 13
LAX
Los Angeles
SFO
San Francisco
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, May 12 from Los Angeles to San Francisco, returning Wed, May 13, priced at $56 just found

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