Title: Cheap Flights from Louisville (SDF) to Rosario (RSJ) - Expedia.ca ![Lisa Nakamura, the French Laundry's first female chef - and sous chef at Herbfarm, has raised the bar for dining in the San Juan Islands with her beautiful restaurant Allium on Orcas. ](https://images.trvl-media.com/place/3039/6dcdb73c-e60d-410c-a037-50d73e937435.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Ann Peavey ![](https://images.trvl-media.com/place/3039/6dcdb73c-e60d-410c-a037-50d73e937435.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Louisville (SDF) to Rosario (RSJ) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Louisville International Airport (SDF) to Rosario, WA (RSJ-Rosario Seaplane Base) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:rsj,departure:20/11/2025TANYT&leg2=from:rsj,to:sdf,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:rsj,departure:20/11/2025TANYT&leg2=from:rsj,to:sdf,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:rsj,departure:20/11/2025TANYT&leg2=from:rsj,to:sdf,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:rsj,departure:20/11/2025TANYT&leg2=from:rsj,to:sdf,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:rsj,departure:20/11/2025TANYT&leg2=from:rsj,to:sdf,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:rsj,departure:20/11/2025TANYT&leg2=from:rsj,to:sdf,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:rsj,departure:20/11/2025TANYT&leg2=from:rsj,to:sdf,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Travel information | Origin airport | Louisville Intl. | | --- | --- | | Destination airport | Rosario Seaplane Base | | Distance | 3159 km | ## Book with confidence ### Louisville to Eastsound Flights **The easy way to book your flights from Louisville to Rosario**  With Expedia, it’s simple to find and book flights to Rosario from Louisville whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Rosario Seaplane Base, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Louisville to Rosario today, tomorrow, or this week.   **Save dollars with cheap flights from Louisville Intl., SDF to Rosario Seaplane Base, RSJ**  Sort your search results by price to find great deals on your flight from Louisville to Rosario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Rosario from Louisville currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Rosario   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Rosario from Louisville**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Rosario with Expedia today. ## Explore a world of travel with Expedia - Flights - [Flights from Atlanta to San Juan Islands](https://www.expedia.ca/lp/flights/178232/6023373/atlanta-to-san-juan-islands) - [Flights from Calgary to San Juan Islands](https://www.expedia.ca/lp/flights/178245/6023373/calgary-to-san-juan-islands) - [Flights from Chicago to San Juan Islands](https://www.expedia.ca/lp/flights/178248/6023373/chicago-to-san-juan-islands) - [Flights from Denver to Orcas Island](https://www.expedia.ca/lp/flights/178254/6023372/denver-to-orcas-island) - [Flights from Denver to San Juan Islands](https://www.expedia.ca/lp/flights/178254/6023373/denver-to-san-juan-islands) - [Flights from Detroit to Orcas Island](https://www.expedia.ca/lp/flights/178255/6023372/detroit-to-orcas-island) - [Flights from Indianapolis to San Juan Islands](https://www.expedia.ca/lp/flights/178266/6023373/indianapolis-to-san-juan-islands) - [Flights from Istanbul to Orcas Island](https://www.expedia.ca/lp/flights/178267/6023372/istanbul-to-orcas-island) - [Flights from Las Vegas to San Juan Islands](https://www.expedia.ca/lp/flights/178276/6023373/las-vegas-to-san-juan-islands) - [Flights from Minneapolis - St. Paul to Orcas Island](https://www.expedia.ca/lp/flights/178287/6023372/minneapolis-st-paul-to-orcas-island) - [Flights from Montreal to San Juan Islands](https://www.expedia.ca/lp/flights/178288/6023373/montreal-to-san-juan-islands) - [Flights from Philadelphia to Orcas Island](https://www.expedia.ca/lp/flights/178297/6023372/philadelphia-to-orcas-island) - [Flights from Philadelphia to San Juan Islands](https://www.expedia.ca/lp/flights/178297/6023373/philadelphia-to-san-juan-islands) - [Flights from Salt Lake City to Orcas Island](https://www.expedia.ca/lp/flights/178302/6023372/salt-lake-city-to-orcas-island) - [Flights from San Francisco to Orcas Island](https://www.expedia.ca/lp/flights/178305/6023372/san-francisco-to-orcas-island) - [Flights from Toronto to Orcas Island](https://www.expedia.ca/lp/flights/178314/6023372/toronto-to-orcas-island) - [Flights from Vancouver to Orcas Island](https://www.expedia.ca/lp/flights/178315/6023372/vancouver-to-orcas-island) - [Flights from Vancouver to San Juan Islands](https://www.expedia.ca/lp/flights/178315/6023373/vancouver-to-san-juan-islands) - [Flights from Osaka to San Juan Islands](https://www.expedia.ca/lp/flights/179897/6023373/osaka-to-san-juan-islands) - [Flights from Delhi to Orcas Island](https://www.expedia.ca/lp/flights/180000/6023372/delhi-to-orcas-island) - [Flights from Edmonton to Orcas Island](https://www.expedia.ca/lp/flights/180002/6023372/edmonton-to-orcas-island) - [Flights from Pittsburgh to San Juan Islands](https://www.expedia.ca/lp/flights/601717/6023373/pittsburgh-to-san-juan-islands) - [Flights from Buffalo to San Juan Islands](https://www.expedia.ca/lp/flights/602674/6023373/buffalo-to-san-juan-islands) - [Flights from Tucson to San Juan Islands](https://www.expedia.ca/lp/flights/602986/6023373/tucson-to-san-juan-islands) - [Flights from Winnipeg to Orcas Island](https://www.expedia.ca/lp/flights/6141041/6023372/winnipeg-to-orcas-island) - [Flights from Eureka (ACV) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/acv/rce/eureka-to-roche-harbor) - [Flights from Adak Island (ADK) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/adk/rce/adak-island-to-roche-harbor) - [Flights from Walla Walla (ALW) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/alw/rce/walla-walla-to-roche-harbor) - [Flights from Atlanta (ATL) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/atl/bli/atlanta-to-bellingham) - [Flights from Atmautluak (ATT) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/att/rce/atmautluak-to-roche-harbor) - [Flights from Austin (AUS) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/aus/bli/austin-to-bellingham) - [Flights from Mesa (AZA) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/aza/bli/mesa-to-bellingham) - [Flights from Bellingham (BLI) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/bli/rce/bellingham-to-roche-harbor) - [Flights from Nashville (BNA) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/bna/bli/nashville-to-bellingham) - [Flights from Boise (BOI) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/boi/bli/boise-to-bellingham) - [Flights from Boise (BOI) to Eastsound (ESD)](https://www.expedia.ca/lp/flights/boi/esd/boise-to-eastsound) - [Flights from Boston (BOS) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/bos/bli/boston-to-bellingham) - [Flights from Brainerd (BRD) to Friday Harbor (FRD)](https://www.expedia.ca/lp/flights/brd/frd/brainerd-to-friday-harbor) - [Flights from Blaine (BWS) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/bws/rce/blaine-to-roche-harbor) - [Flights from Sindal (CNL) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/cnl/rce/sindal-to-roche-harbor) - [Flights from Cody (COD) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/cod/rce/cody-to-roche-harbor) - [Flights from Denver (DEN) to Eastsound (ESD)](https://www.expedia.ca/lp/flights/den/esd/denver-to-eastsound) - [Flights from Dallas (DFW) to Westsound (WSX)](https://www.expedia.ca/lp/flights/dfw/wsx/dallas-to-westsound) - [Flights from Wenatchee (EAT) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/eat/bli/wenatchee-to-bellingham) - [Flights from Nema (EMN) to Friday Harbor (FRD)](https://www.expedia.ca/lp/flights/emn/frd/nema-to-friday-harbor) - [Flights from Farnborough (FAB) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/fab/rce/farnborough-to-roche-harbor) - [Flights from Fresno (FAT) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/fat/rce/fresno-to-roche-harbor) - [Flights from Friday Harbor (FBS) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/fbs/rce/friday-harbor-to-roche-harbor) - [Flights from Fort Lauderdale (FLL) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/fll/bli/fort-lauderdale-to-bellingham) - [Flights from Grand Forks (GFK) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/gfk/bli/grand-forks-to-bellingham) - [Flights from Holy Cross (HCR) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/hcr/rce/holy-cross-to-roche-harbor) - [Flights from Honolulu (HNL) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/hnl/bli/honolulu-to-bellingham) - [Flights from Iron Mountain (IMT) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/imt/rce/iron-mountain-to-roche-harbor) - [Flights from Indianapolis (IND) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/ind/bli/indianapolis-to-bellingham) - [Flights from Kenmore (KEH) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/keh/rce/kenmore-to-roche-harbor) - [Flights from Long Beach (LGB) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/lgb/bli/long-beach-to-bellingham) - [Flights from Livengood (LIV) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/liv/rce/livengood-to-roche-harbor) - [Flights from Kansas City (MCI) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/mci/bli/kansas-city-to-bellingham) - [Flights from Orlando (MCO) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/mco/bli/orlando-to-bellingham) - [Flights from Miami (MIA) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/mia/bli/miami-to-bellingham) - [Flights from Minto (MNT) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/mnt/rce/minto-to-roche-harbor) - [Flights from Minneapolis (MSP) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/msp/bli/minneapolis-to-bellingham) - [Flights from Myrtle Beach (MYR) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/myr/bli/myrtle-beach-to-bellingham) - [Flights from Ontario (ONT) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/ont/bli/ontario-to-bellingham) - [Flights from Chicago (ORD) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/ord/bli/chicago-to-bellingham) - [Flights from Anacortes (OTS) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/ots/rce/anacortes-to-roche-harbor) - [Flights from Portland (PDX) to Friday Harbor (FRD)](https://www.expedia.ca/lp/flights/pdx/frd/portland-to-friday-harbor) - [Flights from Port Protection (PPV) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/ppv/rce/port-protection-to-roche-harbor) - [Flights from Pullman (PUW) to Friday Harbor (FRD)](https://www.expedia.ca/lp/flights/puw/frd/pullman-to-friday-harbor) - [Flights from Redmond (RDM) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/rdm/bli/redmond-to-bellingham) - [Flights from Redmond (RDM) to Eastsound (ESD)](https://www.expedia.ca/lp/flights/rdm/esd/redmond-to-eastsound) - [Flights from Richmond (RIC) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/ric/bli/richmond-to-bellingham) - [Flights from Reno (RNO) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/rno/bli/reno-to-bellingham) - [Flights from Russian Mission (RSH) to Friday Harbor (FRD)](https://www.expedia.ca/lp/flights/rsh/frd/russian-mission-to-friday-harbor) - [Flights from Rosario (RSJ) to Friday Harbor (FRD)](https://www.expedia.ca/lp/flights/rsj/frd/rosario-to-friday-harbor) - [Flights from Stockton (SCK) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/sck/bli/stockton-to-bellingham) - [Flights from Sidney (SDY) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/sdy/rce/sidney-to-roche-harbor) - [Flights from Seattle (SEA) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/sea/rce/seattle-to-roche-harbor) - [Flights from Victoria (SEZ) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/sez/rce/victoria-to-roche-harbor) - [Flights from San Francisco (SFO) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/sfo/rce/san-francisco-to-roche-harbor) - [Flights from San Jose (SJC) to Westsound (WSX)](https://www.expedia.ca/lp/flights/sjc/wsx/san-jose-to-westsound) - [Flights from Salt Lake City (SLC) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/slc/bli/salt-lake-city-to-bellingham) - [Flights from Salt Lake City (SLC) to Friday Harbor (FRD)](https://www.expedia.ca/lp/flights/slc/frd/salt-lake-city-to-friday-harbor) - [Flights from Salt Lake City (SLC) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/slc/rce/salt-lake-city-to-roche-harbor) - [Flights from Orange County (SNA) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/sna/bli/orange-county-to-bellingham) - [Flights from Sydney (SYD) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/syd/rce/sydney-to-roche-harbor) - [Flights from Syracuse (SYR) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/syr/bli/syracuse-to-bellingham) - [Flights from Tacoma (TIW) to Friday Harbor (FRD)](https://www.expedia.ca/lp/flights/tiw/frd/tacoma-to-friday-harbor) - [Flights from Tyler (TYR) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/tyr/rce/tyler-to-roche-harbor) - [Flights from Mont De Marsan (XMJ) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/xmj/rce/mont-de-marsan-to-roche-harbor) - [Flights from Campbell River (YBL) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/ybl/bli/campbell-river-to-bellingham) - [Flights from Ottawa (YOW) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/yow/bli/ottawa-to-bellingham) - [Flights from Comox (YQQ) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/yqq/bli/comox-to-bellingham) - [Flights from Toronto (YTZ) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/ytz/rce/toronto-to-roche-harbor) - [Flights from Montreal (YUL) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/yul/bli/montreal-to-bellingham) - [Flights from Vancouver (YVR) to Roche Harbor (RCE)](https://www.expedia.ca/lp/flights/yvr/rce/vancouver-to-roche-harbor) - [Flights from Winnipeg (YWG) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/ywg/bli/winnipeg-to-bellingham) - [Flights from Saskatoon (YXE) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/yxe/bli/saskatoon-to-bellingham) - [Flights from Prince George (YXS) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/yxs/bli/prince-george-to-bellingham) - [Flights from Penticton (YYF) to Bellingham (BLI)](https://www.expedia.ca/lp/flights/yyf/bli/penticton-to-bellingham) \*Available to Expedia members.