Seattle to Ontario - Flights Starting at US$26
Book one-way or return flights from Seattle to Ontario from as little as US$26. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- SEA13:572h 44mDirectONT16:41Sat, May 18|Seattle - Ontario|Frontier AirlinesUS$26US$5048% OFF48% OFFUS$50US$26
- SEA13:572h 44mDirectONT16:41Tue, May 21|Seattle - Ontario|Frontier AirlinesUS$30US$5039% OFF39% OFFUS$50US$30
- SEA13:532h 37mDirectONT16:30Sat, Jun 1|Seattle - Ontario|Frontier AirlinesUS$31US$5038% OFF38% OFFUS$50US$31
- SEA13:572h 44mDirectONT16:41Wed, May 22|Seattle - Ontario|Frontier AirlinesUS$35US$35
- SEA13:572h 44mDirectONT16:41Mon, May 20|Seattle - Ontario|Frontier AirlinesUS$36US$36
- SEA13:572h 44mDirectONT16:41Sat, May 25|Seattle - Ontario|Frontier AirlinesUS$39US$39
- SEA13:372h 37mDirectONT16:14Wed, Jun 5|Seattle - Ontario|Frontier AirlinesUS$39US$39
- SEA13:572h 44mDirectONT16:41Tue, Jun 11|Seattle - Ontario|Frontier AirlinesUS$39US$39
- SEA14:172h 44mDirectONT17:01Fri, May 17|Seattle - Ontario|Frontier AirlinesUS$39US$39
- SEA13:222h 37mDirectONT15:59Tue, May 28|Seattle - Ontario|Frontier AirlinesUS$39US$39
- SEA13:003h 5mDirectONT14:00Sat, May 4|Seattle - Ontario|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
We've found these cheap flights for you. You may book a one-way or round trip as per your needs.
We monitor flight fares to help you seize the best deals effortlessly
View airlines operating flights from Seattle to Ontario. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to Ontario.
- CheapestSEA13:572h 44mDirectONT16:41Seattle-Tacoma International Airport - Ontario International AirportSat, May 18Frontier AirlinesUS$26
- SEA13:572h 44mDirectONT16:41Seattle-Tacoma International Airport - Ontario International AirportSat, May 18Frontier AirlinesUS$26Find More Flights
Frequently Asked Questions
How to find a cheap flight from Seattle to Ontario
Cheapest nonstop flight price | $26 |
---|---|
Cheapest round-trip ticket price | $60 |
Off-season for travel | April |
Peak season for travel | September |
Flight distance | 12,362.98km |
Popular airline | Alaska Airlines |
Plan Your Trip Around Ontario
More Travel Options | Seattle to Ontario
Popular Flights from Seattle
- Flights from Seattle to Athens
- Flights from Seattle to Seoul
- Flights from Seattle to Riverton
- Flights from Seattle to Bangkok
- Flights from Seattle to Cayenne
- Flights from Seattle to Allentown
- Flights from Seattle to Hong Kong
- Flights from Seattle to Fort Lauderdale
- Flights from Seattle to Karachi
- Flights from Seattle to Mammoth Lakes
- Flights from Seattle to Wakkanai
Popular Flights to Ontario
Popular hotels
- Simple Zoo Hotel (Yangshuo Yulong River Tourist Resort)
- Autoongo Hotel On the Bund, Shanghai
- Yunxi Boutique Hotel (Phoenix Ancient City Nanhua Branch)
- Sulv Lianhua Hotel
- Lanhu Business Hotel
- Lanting Homestay
- Kihei Beach, #603^ 1 Bedroom Condo by Redawning
- Farmhouse Saint Thorn House
- Bungalow 2 Bedrooms - Two Bedroom
- Appartamento Chez Moi
- Hotels in 1st arr. Paris
- Hotels Near Carter Finley Stadium
- Hotels near House of Blues Cleveland
- Hotels near Olympia London
- Hotels near Patriot Place
- Luxury Hotels in Kos
- Luxury Hotels in Tallinn
- Luxury Hotels in Cincinnati
- limehome Barcelona Reviews
- Trip Inn Hotel Münster City Reviews
- Xishan Xinglv Inn Reviews
- ASTON Solo Hotel Reviews
- Guangdong Hotel Reviews
- Four Points by Sheraton Phuket Patong Beach Resort Reviews
- RumateRRa Bed & Breakfast Reviews
- Quest Frankston on the Bay Reviews
- Westgate Las Vegas Resort & Casino Reviews
- Fast Hotel Idaman Reviews
Recommended for you
- Garuda Indonesia(GA) flights from Jakarta to Bangkok
- Amsterdam to Ibiza flight time
- flight time from Las Vegas to Santa Ana
- Winair(WM) flights from Antigua to Saint Kitts
- Flights from Phuket to Bangkok
- D7320 Flight Status Today
- CZ2727 Flight Status Today
- PR658 Flight Status Today
- Flights from Dalian to Shanghai
- Royal Jordanian(RJ) flights from London to Amman
- Washington D.C. to Ottawa flight time
- United Airlines(UA) flights from Houston to Seattle
- Flights from Frankfurt to Kathmandu
- flight time from Hakodate to Sapporo
- Flights from Amsterdam to Manchester Airport
- Flights from Aberdeen to Montpellier
- Flights from Davao to Puerto Princesa
- Flights from Amsterdam to Islamabad
- Flights from New Chitose Airport to Fukuoka
- 9C6416 Flight Status Today
Necessary Travel Information
- holding place: Workshop with The LGBTQ+ Blanket Project
- Breaking Sound January 30 2024 At The Peppermint Club 2024 (Los Angeles)
- Los Angeles 3 Days Itinerary
- London South Cambridgeshire District 5 Days Itinerary
- Manacor 1 Day Itinerary
- Stuttgart Middle Franconia 3 Days Itinerary
- Guiyang Pingtang 2 Days Itinerary
- Changli 1 Day Itinerary
- Chongqing Itinerary 2 Days
- Hangzhou Itinerary 4 Days
- Osaka restaurants
- eSIM Malaysia
- Luoyang 2 Days Itinerary
- Hangzhou Jiaxing 3 Days Itinerary
- Tama-shi 1 Day Itinerary
- Miriandhoo 1 Day Itinerary
- Shangrao 1 Day Itinerary
- Leshan 2 Days Itinerary
Site Operator: Trip.com Travel Singapore Pte. Ltd.