$59 Cheap Flights to Union, WA

Popular airlines to Union

How much is the cheapest flight to Union?

Prices were available within the past 7 days and start at $59 for one-way flights and $98 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Delta
Bargain Flight
Alaska Airlines
United

Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA)

October is typically the cheapest month to fly

From $152 - $297 per traveler.

Graph displaying average flight prices per month

Tips to find the cheapest flights to Union

The cheapest day to fly

Get started finding a cheap flight to Union on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

August is the cheapest month to fly to Union. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Union. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Union, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Union

The lowest price for round-trip flights to Union in 2025 starts from from $98, while one-way tickets start from from $59. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Union. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Union

Alaska Airlines, Delta, United, Frontier Airlines, Southwest Airlines are just some of the airlines that can typically offer cheap tickets to Union. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Union and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Union, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Union. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Union plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Union

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Union.

Stopover savings

The cheapest tickets to Union are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Union. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Union for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Union. Simply download the free Expedia app to your smart device and activate Union flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Union. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

What month is the cheapest to fly to Union?
The cheapest month for flights to Union is usually July *. Launch your travel plans without spending a fortune by flying when tickets are at their lowest. *Cheapest month to fly is based on the month with the cheapest flight found on Expedia.com in the next 330 days.
Which US cities have the cheapest flights to Union?
Generally, Portland, Anchorage and Phoenix offer cheap flights to Union. However, flexibility is the secret to scoring yourself a bargain. Book during low season or midweek to keep costs as low as possible.
Which US cities fly direct to Union?
There are 83 US destinations that you can fly to Union nonstop from. Compare the options by using the "Direct flights only" filter on Expedia and choose the best departure point for your trip. Here are several of the leading cities to head out from:

  • Portland
  • Anchorage
  • Phoenix
  • Los Angeles
  • Spokane

How to find a cheap flight to Union?
Book your trip early to snag cheap flights to Union. Also, consider traveling during off-peak months like January and March. If you leave on a Thursday, you'll save an average of 16% compared to those departing on a Sunday.* Save time checking every day and set up a price alert on the Expedia app. We'll send you a notification when 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?
Although booking in advance is usually the best way to save cash, don't panic if your Union trip is last minute. You can still find cheap flights to Union, especially if your plans have a little wiggle room. Try switching up your trip dates, exploring different ticket types or flying out of an alternative hub.
How far in advance should I book a flight to Union?
Secure your flight to Union two to four months ahead if you're visiting from an international destination. For domestic travel, the timeframe is around 28 days in advance. Bigger savings and a wider variety of travel 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?
Generally, you can get cheap flights to Union on a Sunday. You can save around 8% on average compared to booking on a Friday, which is typically the most expensive day to buy tickets.**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?
There are 31 airlines that connect Union with 118 airports across the world. The primary gateway to this city is Seattle - Tacoma Intl. Airport (SEA). Fly with any of these well-known airlines to Union:

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

Where do you fly into Union?
Union's main point of arrival is Seattle - Tacoma Intl. Airport (SEA). If you're looking for some nearby alternatives when flying to Union, check out Port Angeles, WA (CLM-William R. Fairchild Intl.), Bremerton, WA (PWT-Bremerton National) or Tacoma, WA (TIW-Tacoma Narrows). You can also opt to fly to Union through Olympia, WA (OLM-Olympia Regional).
How far is the airport from central Union?
Flying into Seattle - Tacoma Intl. Airport (SEA) puts you about 40 mi east of the center of Union.
Can I save money by booking a Union trip package?
It's possible to save hundreds of dollars if you secure an Union flight and hotel package deal on Expedia. And you'll make life easier by having all your travel plans in the same place. Try bundling hotels and flights with add-ons like car rentals and activities for your own customized Union escape.
Can I change or cancel my flight to Union?
If you reserved your flight to Union in the last 24 hours, you can often change or cancel it for free. After that, additional charges may apply depending on the airline's terms and conditions. To learn more, check out our Customer Service Portal. Keep in mind that some flights are non-refundable, so you may be issued a credit for a future flight instead of a direct refund. When browsing on Expedia, select the "No cancel fee" or "Changes included" boxes to see tickets with flexible change policies.
Flights to Union information
Destination airport
Lake Union Seaplane Base
Destination airport IATA code
LKE
Destination city name
Seattle
Roundtrip price
$221

Trending flights to Union

Prices were available within the past 7 days and start at $59 for one-way flights and $98 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines

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*Available to One Key members.